From: Chao Xie <[email protected]>
v1->v2:
replace __raw_xxx with xxx_relax
use ioremap to remap the registers. Finaly it will use device tree to
get the physical address.
do not use macro to register clocks, and directly call the functions.
v2->v3:
pxa910 will have APB extension clock, so some peripharals will have
clocks in APB extension base.
change pxa168-pwm to be pxa910-pwm for pxa910. It will fit the current
pwm driver.
v3->v4:
remove addtional clock name definition
replace left __raw_xxx
v4->v5:
change the format of the file
Chao Xie (5):
clk: mmp: add mmp specific clocks
clk: mmp: add clock definition for pxa168
clk: mmp: add clock definition for pxa910
clk: mmp: add clock definition for mmp2
arm: mmp: make all SOCs use common clock by default
arch/arm/mach-mmp/Kconfig | 3 +
drivers/clk/Makefile | 3 +
drivers/clk/mmp/Makefile | 9 +
drivers/clk/mmp/clk-apbc.c | 152 ++++++++++++++
drivers/clk/mmp/clk-apmu.c | 97 +++++++++
drivers/clk/mmp/clk-frac.c | 153 ++++++++++++++
drivers/clk/mmp/clk-mmp2.c | 449 ++++++++++++++++++++++++++++++++++++++++++
drivers/clk/mmp/clk-pxa168.c | 346 ++++++++++++++++++++++++++++++++
drivers/clk/mmp/clk-pxa910.c | 320 ++++++++++++++++++++++++++++++
drivers/clk/mmp/clk.h | 35 ++++
10 files changed, 1567 insertions(+), 0 deletions(-)
create mode 100644 drivers/clk/mmp/Makefile
create mode 100644 drivers/clk/mmp/clk-apbc.c
create mode 100644 drivers/clk/mmp/clk-apmu.c
create mode 100644 drivers/clk/mmp/clk-frac.c
create mode 100644 drivers/clk/mmp/clk-mmp2.c
create mode 100644 drivers/clk/mmp/clk-pxa168.c
create mode 100644 drivers/clk/mmp/clk-pxa910.c
create mode 100644 drivers/clk/mmp/clk.h
From: Chao Xie <[email protected]>
Initialize the clocks for pxa168
Signed-off-by: Chao Xie <[email protected]>
---
drivers/clk/mmp/Makefile | 2 +
drivers/clk/mmp/clk-pxa168.c | 346 ++++++++++++++++++++++++++++++++++++++++++
2 files changed, 348 insertions(+), 0 deletions(-)
create mode 100644 drivers/clk/mmp/clk-pxa168.c
diff --git a/drivers/clk/mmp/Makefile b/drivers/clk/mmp/Makefile
index b5bc88c..a0e69ed 100644
--- a/drivers/clk/mmp/Makefile
+++ b/drivers/clk/mmp/Makefile
@@ -3,3 +3,5 @@
#
obj-y += clk-apbc.o clk-apmu.o clk-frac.o
+
+obj-$(CONFIG_CPU_PXA168) += clk-pxa168.o
diff --git a/drivers/clk/mmp/clk-pxa168.c b/drivers/clk/mmp/clk-pxa168.c
new file mode 100644
index 0000000..e8d036c
--- /dev/null
+++ b/drivers/clk/mmp/clk-pxa168.c
@@ -0,0 +1,346 @@
+/*
+ * pxa168 clock framework source file
+ *
+ * Copyright (C) 2012 Marvell
+ * Chao Xie <[email protected]>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/spinlock.h>
+#include <linux/io.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+
+#include <mach/addr-map.h>
+
+#include "clk.h"
+
+#define APBC_RTC 0x28
+#define APBC_TWSI0 0x2c
+#define APBC_KPC 0x30
+#define APBC_UART0 0x0
+#define APBC_UART1 0x4
+#define APBC_GPIO 0x8
+#define APBC_PWM0 0xc
+#define APBC_PWM1 0x10
+#define APBC_PWM2 0x14
+#define APBC_PWM3 0x18
+#define APBC_SSP0 0x81c
+#define APBC_SSP1 0x820
+#define APBC_SSP2 0x84c
+#define APBC_SSP3 0x858
+#define APBC_SSP4 0x85c
+#define APBC_TWSI1 0x6c
+#define APBC_UART2 0x70
+#define APMU_SDH0 0x54
+#define APMU_SDH1 0x58
+#define APMU_USB 0x5c
+#define APMU_DISP0 0x4c
+#define APMU_CCIC0 0x50
+#define APMU_DFC 0x60
+#define MPMU_UART_PLL 0x14
+
+static DEFINE_SPINLOCK(clk_lock);
+
+static struct clk_factor_masks uart_factor_masks = {
+ .factor = 2,
+ .num_mask = 0x1fff,
+ .den_mask = 0x1fff,
+ .num_shift = 16,
+ .den_shift = 0,
+};
+
+static struct clk_factor_tbl uart_factor_tbl[] = {
+ {.num = 8125, .den = 1536}, /*14.745MHZ */
+};
+
+static const char *uart_parent[] = {"pll1_3_16", "uart_pll"};
+static const char *ssp_parent[] = {"pll1_96", "pll1_48", "pll1_24", "pll1_12"};
+static const char *sdh_parent[] = {"pll1_12", "pll1_13"};
+static const char *disp_parent[] = {"pll1_2", "pll1_12"};
+static const char *ccic_parent[] = {"pll1_2", "pll1_12"};
+static const char *ccic_phy_parent[] = {"pll1_6", "pll1_12"};
+
+void __init pxa168_clk_init(void)
+{
+ struct clk *clk;
+ struct clk *uart_pll;
+ void __iomem *mpmu_base;
+ void __iomem *apmu_base;
+ void __iomem *apbc_base;
+
+ mpmu_base = ioremap(APB_PHYS_BASE + 0x50000, SZ_4K);
+ if (mpmu_base == NULL) {
+ pr_err("error to ioremap MPMU base\n");
+ return;
+ }
+
+ apmu_base = ioremap(AXI_PHYS_BASE + 0x82800, SZ_4K);
+ if (apmu_base == NULL) {
+ pr_err("error to ioremap APMU base\n");
+ return;
+ }
+
+ apbc_base = ioremap(APB_PHYS_BASE + 0x15000, SZ_4K);
+ if (apbc_base == NULL) {
+ pr_err("error to ioremap APBC base\n");
+ return;
+ }
+
+ clk = clk_register_fixed_rate(NULL, "clk32", NULL, CLK_IS_ROOT, 3200);
+ clk_register_clkdev(clk, "clk32", NULL);
+
+ clk = clk_register_fixed_rate(NULL, "vctcxo", NULL, CLK_IS_ROOT,
+ 26000000);
+ clk_register_clkdev(clk, "vctcxo", NULL);
+
+ clk = clk_register_fixed_rate(NULL, "pll1", NULL, CLK_IS_ROOT,
+ 624000000);
+ clk_register_clkdev(clk, "pll1", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_2", "pll1",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_2", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_4", "pll1_2",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_4", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_8", "pll1_4",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_8", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_16", "pll1_8",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_16", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_6", "pll1_2",
+ CLK_SET_RATE_PARENT, 1, 3);
+ clk_register_clkdev(clk, "pll1_6", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_12", "pll1_6",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_12", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_24", "pll1_12",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_24", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_48", "pll1_24",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_48", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_96", "pll1_48",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_96", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_13", "pll1",
+ CLK_SET_RATE_PARENT, 1, 13);
+ clk_register_clkdev(clk, "pll1_13", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_13_1_5", "pll1",
+ CLK_SET_RATE_PARENT, 2, 3);
+ clk_register_clkdev(clk, "pll1_13_1_5", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_2_1_5", "pll1",
+ CLK_SET_RATE_PARENT, 2, 3);
+ clk_register_clkdev(clk, "pll1_2_1_5", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_3_16", "pll1",
+ CLK_SET_RATE_PARENT, 3, 16);
+ clk_register_clkdev(clk, "pll1_3_16", NULL);
+
+ uart_pll = mmp_clk_register_factor("uart_pll", "pll1_4", 0,
+ mpmu_base + MPMU_UART_PLL,
+ &uart_factor_masks, uart_factor_tbl,
+ ARRAY_SIZE(uart_factor_tbl));
+ clk_set_rate(uart_pll, 14745600);
+ clk_register_clkdev(uart_pll, "uart_pll", NULL);
+
+ clk = mmp_clk_register_apbc("twsi0", "pll1_13_1_5",
+ apbc_base + APBC_TWSI0, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa2xx-i2c.0");
+
+ clk = mmp_clk_register_apbc("twsi1", "pll1_13_1_5",
+ apbc_base + APBC_TWSI1, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa2xx-i2c.1");
+
+ clk = mmp_clk_register_apbc("gpio", "vctcxo",
+ apbc_base + APBC_GPIO, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa-gpio");
+
+ clk = mmp_clk_register_apbc("kpc", "clk32",
+ apbc_base + APBC_KPC, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa27x-keypad");
+
+ clk = mmp_clk_register_apbc("rtc", "clk32",
+ apbc_base + APBC_RTC, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "sa1100-rtc");
+
+ clk = mmp_clk_register_apbc("pwm0", "pll1_48",
+ apbc_base + APBC_PWM0, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa168-pwm.0");
+
+ clk = mmp_clk_register_apbc("pwm1", "pll1_48",
+ apbc_base + APBC_PWM1, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa168-pwm.1");
+
+ clk = mmp_clk_register_apbc("pwm2", "pll1_48",
+ apbc_base + APBC_PWM2, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa168-pwm.2");
+
+ clk = mmp_clk_register_apbc("pwm3", "pll1_48",
+ apbc_base + APBC_PWM3, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa168-pwm.3");
+
+ clk = clk_register_mux(NULL, "uart0_mux", uart_parent,
+ ARRAY_SIZE(uart_parent), CLK_SET_RATE_PARENT,
+ apbc_base + APBC_UART0, 4, 3, 0, &clk_lock);
+ clk_set_parent(clk, uart_pll);
+ clk_register_clkdev(clk, "uart_mux.0", NULL);
+
+ clk = mmp_clk_register_apbc("uart0", "uart0_mux",
+ apbc_base + APBC_UART0, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa2xx-uart.0");
+
+ clk = clk_register_mux(NULL, "uart1_mux", uart_parent,
+ ARRAY_SIZE(uart_parent), CLK_SET_RATE_PARENT,
+ apbc_base + APBC_UART1, 4, 3, 0, &clk_lock);
+ clk_set_parent(clk, uart_pll);
+ clk_register_clkdev(clk, "uart_mux.1", NULL);
+
+ clk = mmp_clk_register_apbc("uart1", "uart1_mux",
+ apbc_base + APBC_UART1, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa2xx-uart.1");
+
+ clk = clk_register_mux(NULL, "uart2_mux", uart_parent,
+ ARRAY_SIZE(uart_parent), CLK_SET_RATE_PARENT,
+ apbc_base + APBC_UART2, 4, 3, 0, &clk_lock);
+ clk_set_parent(clk, uart_pll);
+ clk_register_clkdev(clk, "uart_mux.2", NULL);
+
+ clk = mmp_clk_register_apbc("uart2", "uart2_mux",
+ apbc_base + APBC_UART2, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa2xx-uart.2");
+
+ clk = clk_register_mux(NULL, "ssp0_mux", ssp_parent,
+ ARRAY_SIZE(ssp_parent), CLK_SET_RATE_PARENT,
+ apbc_base + APBC_SSP0, 4, 3, 0, &clk_lock);
+ clk_register_clkdev(clk, "uart_mux.0", NULL);
+
+ clk = mmp_clk_register_apbc("ssp0", "ssp0_mux", apbc_base + APBC_SSP0,
+ 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "mmp-ssp.0");
+
+ clk = clk_register_mux(NULL, "ssp1_mux", ssp_parent,
+ ARRAY_SIZE(ssp_parent), CLK_SET_RATE_PARENT,
+ apbc_base + APBC_SSP1, 4, 3, 0, &clk_lock);
+ clk_register_clkdev(clk, "ssp_mux.1", NULL);
+
+ clk = mmp_clk_register_apbc("ssp1", "ssp1_mux", apbc_base + APBC_SSP1,
+ 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "mmp-ssp.1");
+
+ clk = clk_register_mux(NULL, "ssp2_mux", ssp_parent,
+ ARRAY_SIZE(ssp_parent), CLK_SET_RATE_PARENT,
+ apbc_base + APBC_SSP2, 4, 3, 0, &clk_lock);
+ clk_register_clkdev(clk, "ssp_mux.2", NULL);
+
+ clk = mmp_clk_register_apbc("ssp2", "ssp1_mux", apbc_base + APBC_SSP2,
+ 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "mmp-ssp.2");
+
+ clk = clk_register_mux(NULL, "ssp3_mux", ssp_parent,
+ ARRAY_SIZE(ssp_parent), CLK_SET_RATE_PARENT,
+ apbc_base + APBC_SSP3, 4, 3, 0, &clk_lock);
+ clk_register_clkdev(clk, "ssp_mux.3", NULL);
+
+ clk = mmp_clk_register_apbc("ssp3", "ssp1_mux", apbc_base + APBC_SSP3,
+ 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "mmp-ssp.3");
+
+ clk = clk_register_mux(NULL, "ssp4_mux", ssp_parent,
+ ARRAY_SIZE(ssp_parent), CLK_SET_RATE_PARENT,
+ apbc_base + APBC_SSP4, 4, 3, 0, &clk_lock);
+ clk_register_clkdev(clk, "ssp_mux.4", NULL);
+
+ clk = mmp_clk_register_apbc("ssp4", "ssp1_mux", apbc_base + APBC_SSP4,
+ 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "mmp-ssp.4");
+
+ clk = mmp_clk_register_apmu("dfc", "pll1_4", apmu_base + APMU_DFC,
+ 0x19b, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa3xx-nand.0");
+
+ clk = clk_register_mux(NULL, "sdh0_mux", sdh_parent,
+ ARRAY_SIZE(sdh_parent), CLK_SET_RATE_PARENT,
+ apmu_base + APMU_SDH0, 6, 1, 0, &clk_lock);
+ clk_register_clkdev(clk, "sdh0_mux", NULL);
+
+ clk = mmp_clk_register_apmu("sdh0", "sdh_mux", apmu_base + APMU_SDH0,
+ 0x1b, &clk_lock);
+ clk_register_clkdev(clk, NULL, "sdhci-pxa.0");
+
+ clk = clk_register_mux(NULL, "sdh1_mux", sdh_parent,
+ ARRAY_SIZE(sdh_parent), CLK_SET_RATE_PARENT,
+ apmu_base + APMU_SDH1, 6, 1, 0, &clk_lock);
+ clk_register_clkdev(clk, "sdh1_mux", NULL);
+
+ clk = mmp_clk_register_apmu("sdh1", "sdh1_mux", apmu_base + APMU_SDH1,
+ 0x1b, &clk_lock);
+ clk_register_clkdev(clk, NULL, "sdhci-pxa.1");
+
+ clk = mmp_clk_register_apmu("usb", "usb_pll", apmu_base + APMU_USB,
+ 0x9, &clk_lock);
+ clk_register_clkdev(clk, "usb_clk", NULL);
+
+ clk = mmp_clk_register_apmu("sph", "usb_pll", apmu_base + APMU_USB,
+ 0x12, &clk_lock);
+ clk_register_clkdev(clk, "sph_clk", NULL);
+
+ clk = clk_register_mux(NULL, "disp0_mux", disp_parent,
+ ARRAY_SIZE(disp_parent), CLK_SET_RATE_PARENT,
+ apmu_base + APMU_DISP0, 6, 1, 0, &clk_lock);
+ clk_register_clkdev(clk, "disp_mux.0", NULL);
+
+ clk = mmp_clk_register_apmu("disp0", "disp0_mux",
+ apmu_base + APMU_DISP0, 0x1b, &clk_lock);
+ clk_register_clkdev(clk, "fnclk", "mmp-disp.0");
+
+ clk = mmp_clk_register_apmu("disp0_hclk", "disp0_mux",
+ apmu_base + APMU_DISP0, 0x24, &clk_lock);
+ clk_register_clkdev(clk, "hclk", "mmp-disp.0");
+
+ clk = clk_register_mux(NULL, "ccic0_mux", ccic_parent,
+ ARRAY_SIZE(ccic_parent), CLK_SET_RATE_PARENT,
+ apmu_base + APMU_CCIC0, 6, 1, 0, &clk_lock);
+ clk_register_clkdev(clk, "ccic_mux.0", NULL);
+
+ clk = mmp_clk_register_apmu("ccic0", "ccic0_mux",
+ apmu_base + APMU_CCIC0, 0x1b, &clk_lock);
+ clk_register_clkdev(clk, "fnclk", "mmp-ccic.0");
+
+ clk = clk_register_mux(NULL, "ccic0_phy_mux", ccic_phy_parent,
+ ARRAY_SIZE(ccic_phy_parent),
+ CLK_SET_RATE_PARENT, apmu_base + APMU_CCIC0,
+ 7, 1, 0, &clk_lock);
+ clk_register_clkdev(clk, "ccic_phy_mux.0", NULL);
+
+ clk = mmp_clk_register_apmu("ccic0_phy", "ccic0_phy_mux",
+ apmu_base + APMU_CCIC0, 0x24, &clk_lock);
+ clk_register_clkdev(clk, "phyclk", "mmp-ccic.0");
+
+ clk = clk_register_divider(NULL, "ccic0_sphy_div", "ccic0_mux",
+ CLK_SET_RATE_PARENT, apmu_base + APMU_CCIC0,
+ 10, 5, 0, &clk_lock);
+ clk_register_clkdev(clk, "sphyclk_div", NULL);
+
+ clk = mmp_clk_register_apmu("ccic0_sphy", "ccic0_sphy_div",
+ apmu_base + APMU_CCIC0, 0x300, &clk_lock);
+ clk_register_clkdev(clk, "sphyclk", "mmp-ccic.0");
+}
--
1.7.0.4
From: Chao Xie <[email protected]>
add mmp specific clocks including apbc cloks, apmu clocks,
and pll2, fraction clocks
Signed-off-by: Chao Xie <[email protected]>
---
drivers/clk/Makefile | 3 +
drivers/clk/mmp/Makefile | 5 ++
drivers/clk/mmp/clk-apbc.c | 152 +++++++++++++++++++++++++++++++++++++++++++
drivers/clk/mmp/clk-apmu.c | 97 ++++++++++++++++++++++++++++
drivers/clk/mmp/clk-frac.c | 153 ++++++++++++++++++++++++++++++++++++++++++++
drivers/clk/mmp/clk.h | 35 ++++++++++
6 files changed, 445 insertions(+), 0 deletions(-)
create mode 100644 drivers/clk/mmp/Makefile
create mode 100644 drivers/clk/mmp/clk-apbc.c
create mode 100644 drivers/clk/mmp/clk-apmu.c
create mode 100644 drivers/clk/mmp/clk-frac.c
create mode 100644 drivers/clk/mmp/clk.h
diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile
index 5869ea3..58590c8 100644
--- a/drivers/clk/Makefile
+++ b/drivers/clk/Makefile
@@ -10,6 +10,9 @@ obj-$(CONFIG_ARCH_SOCFPGA) += socfpga/
obj-$(CONFIG_PLAT_SPEAR) += spear/
obj-$(CONFIG_ARCH_U300) += clk-u300.o
obj-$(CONFIG_ARCH_INTEGRATOR) += versatile/
+ifeq ($(CONFIG_COMMON_CLK), y)
+obj-$(CONFIG_ARCH_MMP) += mmp/
+endif
# Chip specific
obj-$(CONFIG_COMMON_CLK_WM831X) += clk-wm831x.o
diff --git a/drivers/clk/mmp/Makefile b/drivers/clk/mmp/Makefile
new file mode 100644
index 0000000..b5bc88c
--- /dev/null
+++ b/drivers/clk/mmp/Makefile
@@ -0,0 +1,5 @@
+#
+# Makefile for mmp specific clk
+#
+
+obj-y += clk-apbc.o clk-apmu.o clk-frac.o
diff --git a/drivers/clk/mmp/clk-apbc.c b/drivers/clk/mmp/clk-apbc.c
new file mode 100644
index 0000000..d14120e
--- /dev/null
+++ b/drivers/clk/mmp/clk-apbc.c
@@ -0,0 +1,152 @@
+/*
+ * mmp APB clock operation source file
+ *
+ * Copyright (C) 2012 Marvell
+ * Chao Xie <[email protected]>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/err.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+
+#include "clk.h"
+
+/* Common APB clock register bit definitions */
+#define APBC_APBCLK (1 << 0) /* APB Bus Clock Enable */
+#define APBC_FNCLK (1 << 1) /* Functional Clock Enable */
+#define APBC_RST (1 << 2) /* Reset Generation */
+#define APBC_POWER (1 << 7) /* Reset Generation */
+
+#define to_clk_apbc(hw) container_of(hw, struct clk_apbc, hw)
+struct clk_apbc {
+ struct clk_hw hw;
+ void __iomem *base;
+ unsigned int delay;
+ unsigned int flags;
+ spinlock_t *lock;
+};
+
+static int clk_apbc_prepare(struct clk_hw *hw)
+{
+ struct clk_apbc *apbc = to_clk_apbc(hw);
+ unsigned int data;
+ unsigned long flags = 0;
+
+ /*
+ * It may share same register as MUX clock,
+ * and it will impact FNCLK enable. Spinlock is needed
+ */
+ if (apbc->lock)
+ spin_lock_irqsave(apbc->lock, flags);
+
+ data = readl_relaxed(apbc->base);
+ if (apbc->flags & APBC_POWER_CTRL)
+ data |= APBC_POWER;
+ data |= APBC_FNCLK;
+ writel_relaxed(data, apbc->base);
+
+ if (apbc->lock)
+ spin_unlock_irqrestore(apbc->lock, flags);
+
+ udelay(apbc->delay);
+
+ if (apbc->lock)
+ spin_lock_irqsave(apbc->lock, flags);
+
+ data = readl_relaxed(apbc->base);
+ data |= APBC_APBCLK;
+ writel_relaxed(data, apbc->base);
+
+ if (apbc->lock)
+ spin_unlock_irqrestore(apbc->lock, flags);
+
+ udelay(apbc->delay);
+
+ if (!(apbc->flags & APBC_NO_BUS_CTRL)) {
+ if (apbc->lock)
+ spin_lock_irqsave(apbc->lock, flags);
+
+ data = readl_relaxed(apbc->base);
+ data &= ~APBC_RST;
+ writel_relaxed(data, apbc->base);
+
+ if (apbc->lock)
+ spin_unlock_irqrestore(apbc->lock, flags);
+ }
+
+ return 0;
+}
+
+static void clk_apbc_unprepare(struct clk_hw *hw)
+{
+ struct clk_apbc *apbc = to_clk_apbc(hw);
+ unsigned long data;
+ unsigned long flags = 0;
+
+ if (apbc->lock)
+ spin_lock_irqsave(apbc->lock, flags);
+
+ data = readl_relaxed(apbc->base);
+ if (apbc->flags & APBC_POWER_CTRL)
+ data &= ~APBC_POWER;
+ data &= ~APBC_FNCLK;
+ writel_relaxed(data, apbc->base);
+
+ if (apbc->lock)
+ spin_unlock_irqrestore(apbc->lock, flags);
+
+ udelay(10);
+
+ if (apbc->lock)
+ spin_lock_irqsave(apbc->lock, flags);
+
+ data = readl_relaxed(apbc->base);
+ data &= ~APBC_APBCLK;
+ writel_relaxed(data, apbc->base);
+
+ if (apbc->lock)
+ spin_unlock_irqrestore(apbc->lock, flags);
+}
+
+struct clk_ops clk_apbc_ops = {
+ .prepare = clk_apbc_prepare,
+ .unprepare = clk_apbc_unprepare,
+};
+
+struct clk *mmp_clk_register_apbc(const char *name, const char *parent_name,
+ void __iomem *base, unsigned int delay,
+ unsigned int apbc_flags, spinlock_t *lock)
+{
+ struct clk_apbc *apbc;
+ struct clk *clk;
+ struct clk_init_data init;
+
+ apbc = kzalloc(sizeof(*apbc), GFP_KERNEL);
+ if (!apbc)
+ return NULL;
+
+ init.name = name;
+ init.ops = &clk_apbc_ops;
+ init.flags = CLK_SET_RATE_PARENT;
+ init.parent_names = (parent_name ? &parent_name : NULL);
+ init.num_parents = (parent_name ? 1 : 0);
+
+ apbc->base = base;
+ apbc->delay = delay;
+ apbc->flags = apbc_flags;
+ apbc->lock = lock;
+ apbc->hw.init = &init;
+
+ clk = clk_register(NULL, &apbc->hw);
+ if (IS_ERR(clk))
+ kfree(apbc);
+
+ return clk;
+}
diff --git a/drivers/clk/mmp/clk-apmu.c b/drivers/clk/mmp/clk-apmu.c
new file mode 100644
index 0000000..abe182b
--- /dev/null
+++ b/drivers/clk/mmp/clk-apmu.c
@@ -0,0 +1,97 @@
+/*
+ * mmp AXI peripharal clock operation source file
+ *
+ * Copyright (C) 2012 Marvell
+ * Chao Xie <[email protected]>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/err.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+
+#include "clk.h"
+
+#define to_clk_apmu(clk) (container_of(clk, struct clk_apmu, clk))
+struct clk_apmu {
+ struct clk_hw hw;
+ void __iomem *base;
+ u32 rst_mask;
+ u32 enable_mask;
+ spinlock_t *lock;
+};
+
+static int clk_apmu_enable(struct clk_hw *hw)
+{
+ struct clk_apmu *apmu = to_clk_apmu(hw);
+ unsigned long data;
+ unsigned long flags = 0;
+
+ if (apmu->lock)
+ spin_lock_irqsave(apmu->lock, flags);
+
+ data = readl_relaxed(apmu->base) | apmu->enable_mask;
+ writel_relaxed(data, apmu->base);
+
+ if (apmu->lock)
+ spin_unlock_irqrestore(apmu->lock, flags);
+
+ return 0;
+}
+
+static void clk_apmu_disable(struct clk_hw *hw)
+{
+ struct clk_apmu *apmu = to_clk_apmu(hw);
+ unsigned long data;
+ unsigned long flags = 0;
+
+ if (apmu->lock)
+ spin_lock_irqsave(apmu->lock, flags);
+
+ data = readl_relaxed(apmu->base) & ~apmu->enable_mask;
+ writel_relaxed(data, apmu->base);
+
+ if (apmu->lock)
+ spin_unlock_irqrestore(apmu->lock, flags);
+}
+
+struct clk_ops clk_apmu_ops = {
+ .enable = clk_apmu_enable,
+ .disable = clk_apmu_disable,
+};
+
+struct clk *mmp_clk_register_apmu(const char *name, const char *parent_name,
+ void __iomem *base, u32 enable_mask, spinlock_t *lock)
+{
+ struct clk_apmu *apmu;
+ struct clk *clk;
+ struct clk_init_data init;
+
+ apmu = kzalloc(sizeof(*apmu), GFP_KERNEL);
+ if (!apmu)
+ return NULL;
+
+ init.name = name;
+ init.ops = &clk_apmu_ops;
+ init.flags = CLK_SET_RATE_PARENT;
+ init.parent_names = (parent_name ? &parent_name : NULL);
+ init.num_parents = (parent_name ? 1 : 0);
+
+ apmu->base = base;
+ apmu->enable_mask = enable_mask;
+ apmu->lock = lock;
+ apmu->hw.init = &init;
+
+ clk = clk_register(NULL, &apmu->hw);
+
+ if (IS_ERR(clk))
+ kfree(apmu);
+
+ return clk;
+}
diff --git a/drivers/clk/mmp/clk-frac.c b/drivers/clk/mmp/clk-frac.c
new file mode 100644
index 0000000..80c1dd1
--- /dev/null
+++ b/drivers/clk/mmp/clk-frac.c
@@ -0,0 +1,153 @@
+/*
+ * mmp factor clock operation source file
+ *
+ * Copyright (C) 2012 Marvell
+ * Chao Xie <[email protected]>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/slab.h>
+#include <linux/io.h>
+#include <linux/err.h>
+
+#include "clk.h"
+/*
+ * It is M/N clock
+ *
+ * Fout from synthesizer can be given from two equations:
+ * numerator/denominator = Fin / (Fout * factor)
+ */
+
+#define to_clk_factor(hw) container_of(hw, struct clk_factor, hw)
+struct clk_factor {
+ struct clk_hw hw;
+ void __iomem *base;
+ struct clk_factor_masks *masks;
+ struct clk_factor_tbl *ftbl;
+ unsigned int ftbl_cnt;
+};
+
+static long clk_factor_round_rate(struct clk_hw *hw, unsigned long drate,
+ unsigned long *prate)
+{
+ struct clk_factor *factor = to_clk_factor(hw);
+ unsigned long rate = 0, prev_rate;
+ int i;
+
+ for (i = 0; i < factor->ftbl_cnt; i++) {
+ prev_rate = rate;
+ rate = (((*prate / 10000) * factor->ftbl[i].num) /
+ (factor->ftbl[i].den * factor->masks->factor)) * 10000;
+ if (rate > drate)
+ break;
+ }
+ if (i == 0)
+ return rate;
+ else
+ return prev_rate;
+}
+
+static unsigned long clk_factor_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct clk_factor *factor = to_clk_factor(hw);
+ struct clk_factor_masks *masks = factor->masks;
+ unsigned int val, num, den;
+
+ val = readl_relaxed(factor->base);
+
+ /* calculate numerator */
+ num = (val >> masks->num_shift) & masks->num_mask;
+
+ /* calculate denominator */
+ den = (val >> masks->den_shift) & masks->num_mask;
+
+ if (!den)
+ return 0;
+
+ return (((parent_rate / 10000) * den) /
+ (num * factor->masks->factor)) * 10000;
+}
+
+/* Configures new clock rate*/
+static int clk_factor_set_rate(struct clk_hw *hw, unsigned long drate,
+ unsigned long prate)
+{
+ struct clk_factor *factor = to_clk_factor(hw);
+ struct clk_factor_masks *masks = factor->masks;
+ int i;
+ unsigned long val;
+ unsigned long prev_rate, rate = 0;
+
+ for (i = 0; i < factor->ftbl_cnt; i++) {
+ prev_rate = rate;
+ rate = (((prate / 10000) * factor->ftbl[i].num) /
+ (factor->ftbl[i].den * factor->masks->factor)) * 10000;
+ if (rate > drate)
+ break;
+ }
+ if (i > 0)
+ i--;
+
+ val = readl_relaxed(factor->base);
+
+ val &= ~(masks->num_mask << masks->num_shift);
+ val |= (factor->ftbl[i].num & masks->num_mask) << masks->num_shift;
+
+ val &= ~(masks->den_mask << masks->den_shift);
+ val |= (factor->ftbl[i].den & masks->den_mask) << masks->den_shift;
+
+ writel_relaxed(val, factor->base);
+
+ return 0;
+}
+
+static struct clk_ops clk_factor_ops = {
+ .recalc_rate = clk_factor_recalc_rate,
+ .round_rate = clk_factor_round_rate,
+ .set_rate = clk_factor_set_rate,
+};
+
+struct clk *mmp_clk_register_factor(const char *name, const char *parent_name,
+ unsigned long flags, void __iomem *base,
+ struct clk_factor_masks *masks, struct clk_factor_tbl *ftbl,
+ unsigned int ftbl_cnt)
+{
+ struct clk_factor *factor;
+ struct clk_init_data init;
+ struct clk *clk;
+
+ if (!masks) {
+ pr_err("%s: must pass a clk_factor_mask\n", __func__);
+ return ERR_PTR(-EINVAL);
+ }
+
+ factor = kzalloc(sizeof(*factor), GFP_KERNEL);
+ if (!factor) {
+ pr_err("%s: could not allocate factor clk\n", __func__);
+ return ERR_PTR(-ENOMEM);
+ }
+
+ /* struct clk_aux assignments */
+ factor->base = base;
+ factor->masks = masks;
+ factor->ftbl = ftbl;
+ factor->ftbl_cnt = ftbl_cnt;
+ factor->hw.init = &init;
+
+ init.name = name;
+ init.ops = &clk_factor_ops;
+ init.flags = flags;
+ init.parent_names = &parent_name;
+ init.num_parents = 1;
+
+ clk = clk_register(NULL, &factor->hw);
+ if (IS_ERR_OR_NULL(clk))
+ kfree(factor);
+
+ return clk;
+}
diff --git a/drivers/clk/mmp/clk.h b/drivers/clk/mmp/clk.h
new file mode 100644
index 0000000..ab86dd4
--- /dev/null
+++ b/drivers/clk/mmp/clk.h
@@ -0,0 +1,35 @@
+#ifndef __MACH_MMP_CLK_H
+#define __MACH_MMP_CLK_H
+
+#include <linux/clk-provider.h>
+#include <linux/clkdev.h>
+
+#define APBC_NO_BUS_CTRL BIT(0)
+#define APBC_POWER_CTRL BIT(1)
+
+struct clk_factor_masks {
+ unsigned int factor;
+ unsigned int num_mask;
+ unsigned int den_mask;
+ unsigned int num_shift;
+ unsigned int den_shift;
+};
+
+struct clk_factor_tbl {
+ unsigned int num;
+ unsigned int den;
+};
+
+extern struct clk *mmp_clk_register_pll2(const char *name,
+ const char *parent_name, unsigned long flags);
+extern struct clk *mmp_clk_register_apbc(const char *name,
+ const char *parent_name, void __iomem *base,
+ unsigned int delay, unsigned int apbc_flags, spinlock_t *lock);
+extern struct clk *mmp_clk_register_apmu(const char *name,
+ const char *parent_name, void __iomem *base, u32 enable_mask,
+ spinlock_t *lock);
+extern struct clk *mmp_clk_register_factor(const char *name,
+ const char *parent_name, unsigned long flags,
+ void __iomem *base, struct clk_factor_masks *masks,
+ struct clk_factor_tbl *ftbl, unsigned int ftbl_cnt);
+#endif
--
1.7.0.4
From: Chao Xie <[email protected]>
Initialize the clocks for pxa910
Signed-off-by: Chao Xie <[email protected]>
---
drivers/clk/mmp/Makefile | 1 +
drivers/clk/mmp/clk-pxa910.c | 320 ++++++++++++++++++++++++++++++++++++++++++
2 files changed, 321 insertions(+), 0 deletions(-)
create mode 100644 drivers/clk/mmp/clk-pxa910.c
diff --git a/drivers/clk/mmp/Makefile b/drivers/clk/mmp/Makefile
index a0e69ed..6160ac2 100644
--- a/drivers/clk/mmp/Makefile
+++ b/drivers/clk/mmp/Makefile
@@ -5,3 +5,4 @@
obj-y += clk-apbc.o clk-apmu.o clk-frac.o
obj-$(CONFIG_CPU_PXA168) += clk-pxa168.o
+obj-$(CONFIG_CPU_PXA910) += clk-pxa910.o
diff --git a/drivers/clk/mmp/clk-pxa910.c b/drivers/clk/mmp/clk-pxa910.c
new file mode 100644
index 0000000..7048c31
--- /dev/null
+++ b/drivers/clk/mmp/clk-pxa910.c
@@ -0,0 +1,320 @@
+/*
+ * pxa910 clock framework source file
+ *
+ * Copyright (C) 2012 Marvell
+ * Chao Xie <[email protected]>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/spinlock.h>
+#include <linux/io.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+
+#include <mach/addr-map.h>
+
+#include "clk.h"
+
+#define APBC_RTC 0x28
+#define APBC_TWSI0 0x2c
+#define APBC_KPC 0x18
+#define APBC_UART0 0x0
+#define APBC_UART1 0x4
+#define APBC_GPIO 0x8
+#define APBC_PWM0 0xc
+#define APBC_PWM1 0x10
+#define APBC_PWM2 0x14
+#define APBC_PWM3 0x18
+#define APBC_SSP0 0x1c
+#define APBC_SSP1 0x20
+#define APBC_SSP2 0x4c
+#define APBCP_TWSI1 0x28
+#define APBCP_UART2 0x1c
+#define APMU_SDH0 0x54
+#define APMU_SDH1 0x58
+#define APMU_USB 0x5c
+#define APMU_DISP0 0x4c
+#define APMU_CCIC0 0x50
+#define APMU_DFC 0x60
+#define MPMU_UART_PLL 0x14
+
+static DEFINE_SPINLOCK(clk_lock);
+
+static struct clk_factor_masks uart_factor_masks = {
+ .factor = 2,
+ .num_mask = 0x1fff,
+ .den_mask = 0x1fff,
+ .num_shift = 16,
+ .den_shift = 0,
+};
+
+static struct clk_factor_tbl uart_factor_tbl[] = {
+ {.num = 8125, .den = 1536}, /*14.745MHZ */
+};
+
+static const char *uart_parent[] = {"pll1_3_16", "uart_pll"};
+static const char *ssp_parent[] = {"pll1_96", "pll1_48", "pll1_24", "pll1_12"};
+static const char *sdh_parent[] = {"pll1_12", "pll1_13"};
+static const char *disp_parent[] = {"pll1_2", "pll1_12"};
+static const char *ccic_parent[] = {"pll1_2", "pll1_12"};
+static const char *ccic_phy_parent[] = {"pll1_6", "pll1_12"};
+
+void __init pxa910_clk_init(void)
+{
+ struct clk *clk;
+ struct clk *uart_pll;
+ void __iomem *mpmu_base;
+ void __iomem *apmu_base;
+ void __iomem *apbcp_base;
+ void __iomem *apbc_base;
+
+ mpmu_base = ioremap(APB_PHYS_BASE + 0x50000, SZ_4K);
+ if (mpmu_base == NULL) {
+ pr_err("error to ioremap MPMU base\n");
+ return;
+ }
+
+ apmu_base = ioremap(AXI_PHYS_BASE + 0x82800, SZ_4K);
+ if (apmu_base == NULL) {
+ pr_err("error to ioremap APMU base\n");
+ return;
+ }
+
+ apbcp_base = ioremap(APB_PHYS_BASE + 0x3b000, SZ_4K);
+ if (apbcp_base == NULL) {
+ pr_err("error to ioremap APBC extension base\n");
+ return;
+ }
+
+ apbc_base = ioremap(APB_PHYS_BASE + 0x15000, SZ_4K);
+ if (apbc_base == NULL) {
+ pr_err("error to ioremap APBC base\n");
+ return;
+ }
+
+ clk = clk_register_fixed_rate(NULL, "clk32", NULL, CLK_IS_ROOT, 3200);
+ clk_register_clkdev(clk, "clk32", NULL);
+
+ clk = clk_register_fixed_rate(NULL, "vctcxo", NULL, CLK_IS_ROOT,
+ 26000000);
+ clk_register_clkdev(clk, "vctcxo", NULL);
+
+ clk = clk_register_fixed_rate(NULL, "pll1", NULL, CLK_IS_ROOT,
+ 624000000);
+ clk_register_clkdev(clk, "pll1", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_2", "pll1",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_2", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_4", "pll1_2",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_4", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_8", "pll1_4",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_8", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_16", "pll1_8",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_16", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_6", "pll1_2",
+ CLK_SET_RATE_PARENT, 1, 3);
+ clk_register_clkdev(clk, "pll1_6", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_12", "pll1_6",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_12", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_24", "pll1_12",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_24", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_48", "pll1_24",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_48", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_96", "pll1_48",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_96", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_13", "pll1",
+ CLK_SET_RATE_PARENT, 1, 13);
+ clk_register_clkdev(clk, "pll1_13", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_13_1_5", "pll1",
+ CLK_SET_RATE_PARENT, 2, 3);
+ clk_register_clkdev(clk, "pll1_13_1_5", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_2_1_5", "pll1",
+ CLK_SET_RATE_PARENT, 2, 3);
+ clk_register_clkdev(clk, "pll1_2_1_5", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_3_16", "pll1",
+ CLK_SET_RATE_PARENT, 3, 16);
+ clk_register_clkdev(clk, "pll1_3_16", NULL);
+
+ uart_pll = mmp_clk_register_factor("uart_pll", "pll1_4", 0,
+ mpmu_base + MPMU_UART_PLL,
+ &uart_factor_masks, uart_factor_tbl,
+ ARRAY_SIZE(uart_factor_tbl));
+ clk_set_rate(uart_pll, 14745600);
+ clk_register_clkdev(uart_pll, "uart_pll", NULL);
+
+ clk = mmp_clk_register_apbc("twsi0", "pll1_13_1_5",
+ apbc_base + APBC_TWSI0, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa2xx-i2c.0");
+
+ clk = mmp_clk_register_apbc("twsi1", "pll1_13_1_5",
+ apbcp_base + APBCP_TWSI1, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa2xx-i2c.1");
+
+ clk = mmp_clk_register_apbc("gpio", "vctcxo",
+ apbc_base + APBC_GPIO, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa-gpio");
+
+ clk = mmp_clk_register_apbc("kpc", "clk32",
+ apbc_base + APBC_KPC, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa27x-keypad");
+
+ clk = mmp_clk_register_apbc("rtc", "clk32",
+ apbc_base + APBC_RTC, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "sa1100-rtc");
+
+ clk = mmp_clk_register_apbc("pwm0", "pll1_48",
+ apbc_base + APBC_PWM0, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa910-pwm.0");
+
+ clk = mmp_clk_register_apbc("pwm1", "pll1_48",
+ apbc_base + APBC_PWM1, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa910-pwm.1");
+
+ clk = mmp_clk_register_apbc("pwm2", "pll1_48",
+ apbc_base + APBC_PWM2, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa910-pwm.2");
+
+ clk = mmp_clk_register_apbc("pwm3", "pll1_48",
+ apbc_base + APBC_PWM3, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa910-pwm.3");
+
+ clk = clk_register_mux(NULL, "uart0_mux", uart_parent,
+ ARRAY_SIZE(uart_parent), CLK_SET_RATE_PARENT,
+ apbc_base + APBC_UART0, 4, 3, 0, &clk_lock);
+ clk_set_parent(clk, uart_pll);
+ clk_register_clkdev(clk, "uart_mux.0", NULL);
+
+ clk = mmp_clk_register_apbc("uart0", "uart0_mux",
+ apbc_base + APBC_UART0, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa2xx-uart.0");
+
+ clk = clk_register_mux(NULL, "uart1_mux", uart_parent,
+ ARRAY_SIZE(uart_parent), CLK_SET_RATE_PARENT,
+ apbc_base + APBC_UART1, 4, 3, 0, &clk_lock);
+ clk_set_parent(clk, uart_pll);
+ clk_register_clkdev(clk, "uart_mux.1", NULL);
+
+ clk = mmp_clk_register_apbc("uart1", "uart1_mux",
+ apbc_base + APBC_UART1, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa2xx-uart.1");
+
+ clk = clk_register_mux(NULL, "uart2_mux", uart_parent,
+ ARRAY_SIZE(uart_parent), CLK_SET_RATE_PARENT,
+ apbcp_base + APBCP_UART2, 4, 3, 0, &clk_lock);
+ clk_set_parent(clk, uart_pll);
+ clk_register_clkdev(clk, "uart_mux.2", NULL);
+
+ clk = mmp_clk_register_apbc("uart2", "uart2_mux",
+ apbcp_base + APBCP_UART2, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa2xx-uart.2");
+
+ clk = clk_register_mux(NULL, "ssp0_mux", ssp_parent,
+ ARRAY_SIZE(ssp_parent), CLK_SET_RATE_PARENT,
+ apbc_base + APBC_SSP0, 4, 3, 0, &clk_lock);
+ clk_register_clkdev(clk, "uart_mux.0", NULL);
+
+ clk = mmp_clk_register_apbc("ssp0", "ssp0_mux",
+ apbc_base + APBC_SSP0, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "mmp-ssp.0");
+
+ clk = clk_register_mux(NULL, "ssp1_mux", ssp_parent,
+ ARRAY_SIZE(ssp_parent), CLK_SET_RATE_PARENT,
+ apbc_base + APBC_SSP1, 4, 3, 0, &clk_lock);
+ clk_register_clkdev(clk, "ssp_mux.1", NULL);
+
+ clk = mmp_clk_register_apbc("ssp1", "ssp1_mux",
+ apbc_base + APBC_SSP1, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "mmp-ssp.1");
+
+ clk = mmp_clk_register_apmu("dfc", "pll1_4",
+ apmu_base + APMU_DFC, 0x19b, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa3xx-nand.0");
+
+ clk = clk_register_mux(NULL, "sdh0_mux", sdh_parent,
+ ARRAY_SIZE(sdh_parent), CLK_SET_RATE_PARENT,
+ apmu_base + APMU_SDH0, 6, 1, 0, &clk_lock);
+ clk_register_clkdev(clk, "sdh0_mux", NULL);
+
+ clk = mmp_clk_register_apmu("sdh0", "sdh_mux",
+ apmu_base + APMU_SDH0, 0x1b, &clk_lock);
+ clk_register_clkdev(clk, NULL, "sdhci-pxa.0");
+
+ clk = clk_register_mux(NULL, "sdh1_mux", sdh_parent,
+ ARRAY_SIZE(sdh_parent), CLK_SET_RATE_PARENT,
+ apmu_base + APMU_SDH1, 6, 1, 0, &clk_lock);
+ clk_register_clkdev(clk, "sdh1_mux", NULL);
+
+ clk = mmp_clk_register_apmu("sdh1", "sdh1_mux",
+ apmu_base + APMU_SDH1, 0x1b, &clk_lock);
+ clk_register_clkdev(clk, NULL, "sdhci-pxa.1");
+
+ clk = mmp_clk_register_apmu("usb", "usb_pll",
+ apmu_base + APMU_USB, 0x9, &clk_lock);
+ clk_register_clkdev(clk, "usb_clk", NULL);
+
+ clk = mmp_clk_register_apmu("sph", "usb_pll",
+ apmu_base + APMU_USB, 0x12, &clk_lock);
+ clk_register_clkdev(clk, "sph_clk", NULL);
+
+ clk = clk_register_mux(NULL, "disp0_mux", disp_parent,
+ ARRAY_SIZE(disp_parent), CLK_SET_RATE_PARENT,
+ apmu_base + APMU_DISP0, 6, 1, 0, &clk_lock);
+ clk_register_clkdev(clk, "disp_mux.0", NULL);
+
+ clk = mmp_clk_register_apmu("disp0", "disp0_mux",
+ apmu_base + APMU_DISP0, 0x1b, &clk_lock);
+ clk_register_clkdev(clk, NULL, "mmp-disp.0");
+
+ clk = clk_register_mux(NULL, "ccic0_mux", ccic_parent,
+ ARRAY_SIZE(ccic_parent), CLK_SET_RATE_PARENT,
+ apmu_base + APMU_CCIC0, 6, 1, 0, &clk_lock);
+ clk_register_clkdev(clk, "ccic_mux.0", NULL);
+
+ clk = mmp_clk_register_apmu("ccic0", "ccic0_mux",
+ apmu_base + APMU_CCIC0, 0x1b, &clk_lock);
+ clk_register_clkdev(clk, "fnclk", "mmp-ccic.0");
+
+ clk = clk_register_mux(NULL, "ccic0_phy_mux", ccic_phy_parent,
+ ARRAY_SIZE(ccic_phy_parent),
+ CLK_SET_RATE_PARENT, apmu_base + APMU_CCIC0,
+ 7, 1, 0, &clk_lock);
+ clk_register_clkdev(clk, "ccic_phy_mux.0", NULL);
+
+ clk = mmp_clk_register_apmu("ccic0_phy", "ccic0_phy_mux",
+ apmu_base + APMU_CCIC0, 0x24, &clk_lock);
+ clk_register_clkdev(clk, "phyclk", "mmp-ccic.0");
+
+ clk = clk_register_divider(NULL, "ccic0_sphy_div", "ccic0_mux",
+ CLK_SET_RATE_PARENT, apmu_base + APMU_CCIC0,
+ 10, 5, 0, &clk_lock);
+ clk_register_clkdev(clk, "sphyclk_div", NULL);
+
+ clk = mmp_clk_register_apmu("ccic0_sphy", "ccic0_sphy_div",
+ apmu_base + APMU_CCIC0, 0x300, &clk_lock);
+ clk_register_clkdev(clk, "sphyclk", "mmp-ccic.0");
+}
--
1.7.0.4
From: Chao Xie <[email protected]>
Initialize the clocks for mmp2
Signed-off-by: Chao Xie <[email protected]>
---
drivers/clk/mmp/Makefile | 1 +
drivers/clk/mmp/clk-mmp2.c | 449 ++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 450 insertions(+), 0 deletions(-)
create mode 100644 drivers/clk/mmp/clk-mmp2.c
diff --git a/drivers/clk/mmp/Makefile b/drivers/clk/mmp/Makefile
index 6160ac2..392d780 100644
--- a/drivers/clk/mmp/Makefile
+++ b/drivers/clk/mmp/Makefile
@@ -6,3 +6,4 @@ obj-y += clk-apbc.o clk-apmu.o clk-frac.o
obj-$(CONFIG_CPU_PXA168) += clk-pxa168.o
obj-$(CONFIG_CPU_PXA910) += clk-pxa910.o
+obj-$(CONFIG_CPU_MMP2) += clk-mmp2.o
diff --git a/drivers/clk/mmp/clk-mmp2.c b/drivers/clk/mmp/clk-mmp2.c
new file mode 100644
index 0000000..6d77a9b
--- /dev/null
+++ b/drivers/clk/mmp/clk-mmp2.c
@@ -0,0 +1,449 @@
+/*
+ * mmp2 clock framework source file
+ *
+ * Copyright (C) 2012 Marvell
+ * Chao Xie <[email protected]>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/spinlock.h>
+#include <linux/io.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+
+#include <mach/addr-map.h>
+
+#include "clk.h"
+
+#define APBC_RTC 0x0
+#define APBC_TWSI0 0x4
+#define APBC_TWSI1 0x8
+#define APBC_TWSI2 0xc
+#define APBC_TWSI3 0x10
+#define APBC_TWSI4 0x7c
+#define APBC_TWSI5 0x80
+#define APBC_KPC 0x18
+#define APBC_UART0 0x2c
+#define APBC_UART1 0x30
+#define APBC_UART2 0x34
+#define APBC_UART3 0x88
+#define APBC_GPIO 0x38
+#define APBC_PWM0 0x3c
+#define APBC_PWM1 0x40
+#define APBC_PWM2 0x44
+#define APBC_PWM3 0x48
+#define APBC_SSP0 0x50
+#define APBC_SSP1 0x54
+#define APBC_SSP2 0x58
+#define APBC_SSP3 0x5c
+#define APMU_SDH0 0x54
+#define APMU_SDH1 0x58
+#define APMU_SDH2 0xe8
+#define APMU_SDH3 0xec
+#define APMU_USB 0x5c
+#define APMU_DISP0 0x4c
+#define APMU_DISP1 0x110
+#define APMU_CCIC0 0x50
+#define APMU_CCIC1 0xf4
+#define MPMU_UART_PLL 0x14
+
+static DEFINE_SPINLOCK(clk_lock);
+
+static struct clk_factor_masks uart_factor_masks = {
+ .factor = 2,
+ .num_mask = 0x1fff,
+ .den_mask = 0x1fff,
+ .num_shift = 16,
+ .den_shift = 0,
+};
+
+static struct clk_factor_tbl uart_factor_tbl[] = {
+ {.num = 14634, .den = 2165}, /*14.745MHZ */
+ {.num = 3521, .den = 689}, /*19.23MHZ */
+ {.num = 9679, .den = 5728}, /*58.9824MHZ */
+ {.num = 15850, .den = 9451}, /*59.429MHZ */
+};
+
+static const char *uart_parent[] = {"uart_pll", "vctcxo"};
+static const char *ssp_parent[] = {"vctcxo_4", "vctcxo_2", "vctcxo", "pll1_16"};
+static const char *sdh_parent[] = {"pll1_4", "pll2", "usb_pll", "pll1"};
+static const char *disp_parent[] = {"pll1", "pll1_16", "pll2", "vctcxo"};
+static const char *ccic_parent[] = {"pll1_2", "pll1_16", "vctcxo"};
+
+void __init mmp2_clk_init(void)
+{
+ struct clk *clk;
+ struct clk *vctcxo;
+ void __iomem *mpmu_base;
+ void __iomem *apmu_base;
+ void __iomem *apbc_base;
+
+ mpmu_base = ioremap(APB_PHYS_BASE + 0x50000, SZ_4K);
+ if (mpmu_base == NULL) {
+ pr_err("error to ioremap MPMU base\n");
+ return;
+ }
+
+ apmu_base = ioremap(AXI_PHYS_BASE + 0x82800, SZ_4K);
+ if (apmu_base == NULL) {
+ pr_err("error to ioremap APMU base\n");
+ return;
+ }
+
+ apbc_base = ioremap(APB_PHYS_BASE + 0x15000, SZ_4K);
+ if (apbc_base == NULL) {
+ pr_err("error to ioremap APBC base\n");
+ return;
+ }
+
+ clk = clk_register_fixed_rate(NULL, "clk32", NULL, CLK_IS_ROOT, 3200);
+ clk_register_clkdev(clk, "clk32", NULL);
+
+ vctcxo = clk_register_fixed_rate(NULL, "vctcxo", NULL, CLK_IS_ROOT,
+ 26000000);
+ clk_register_clkdev(vctcxo, "vctcxo", NULL);
+
+ clk = clk_register_fixed_rate(NULL, "pll1", NULL, CLK_IS_ROOT,
+ 800000000);
+ clk_register_clkdev(clk, "pll1", NULL);
+
+ clk = clk_register_fixed_rate(NULL, "usb_pll", NULL, CLK_IS_ROOT,
+ 480000000);
+ clk_register_clkdev(clk, "usb_pll", NULL);
+
+ clk = clk_register_fixed_rate(NULL, "pll2", NULL, CLK_IS_ROOT,
+ 960000000);
+ clk_register_clkdev(clk, "pll2", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_2", "pll1",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_2", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_4", "pll1_2",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_4", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_8", "pll1_4",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_8", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_16", "pll1_8",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_16", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_20", "pll1_4",
+ CLK_SET_RATE_PARENT, 1, 5);
+ clk_register_clkdev(clk, "pll1_20", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_3", "pll1",
+ CLK_SET_RATE_PARENT, 1, 3);
+ clk_register_clkdev(clk, "pll1_3", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_6", "pll1_3",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_6", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll1_12", "pll1_6",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll1_12", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll2_2", "pll2",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll2_2", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll2_4", "pll2_2",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll2_4", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll2_8", "pll2_4",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll2_8", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll2_16", "pll2_8",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll2_16", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll2_3", "pll2",
+ CLK_SET_RATE_PARENT, 1, 3);
+ clk_register_clkdev(clk, "pll2_3", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll2_6", "pll2_3",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll2_6", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "pll2_12", "pll2_6",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "pll2_12", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "vctcxo_2", "vctcxo",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "vctcxo_2", NULL);
+
+ clk = clk_register_fixed_factor(NULL, "vctcxo_4", "vctcxo_2",
+ CLK_SET_RATE_PARENT, 1, 2);
+ clk_register_clkdev(clk, "vctcxo_4", NULL);
+
+ clk = mmp_clk_register_factor("uart_pll", "pll1_4", 0,
+ mpmu_base + MPMU_UART_PLL,
+ &uart_factor_masks, uart_factor_tbl,
+ ARRAY_SIZE(uart_factor_tbl));
+ clk_set_rate(clk, 14745600);
+ clk_register_clkdev(clk, "uart_pll", NULL);
+
+ clk = mmp_clk_register_apbc("twsi0", "vctcxo",
+ apbc_base + APBC_TWSI0, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa2xx-i2c.0");
+
+ clk = mmp_clk_register_apbc("twsi1", "vctcxo",
+ apbc_base + APBC_TWSI1, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa2xx-i2c.1");
+
+ clk = mmp_clk_register_apbc("twsi2", "vctcxo",
+ apbc_base + APBC_TWSI2, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa2xx-i2c.2");
+
+ clk = mmp_clk_register_apbc("twsi3", "vctcxo",
+ apbc_base + APBC_TWSI3, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa2xx-i2c.3");
+
+ clk = mmp_clk_register_apbc("twsi4", "vctcxo",
+ apbc_base + APBC_TWSI4, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa2xx-i2c.4");
+
+ clk = mmp_clk_register_apbc("twsi5", "vctcxo",
+ apbc_base + APBC_TWSI5, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa2xx-i2c.5");
+
+ clk = mmp_clk_register_apbc("gpio", "vctcxo",
+ apbc_base + APBC_GPIO, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa-gpio");
+
+ clk = mmp_clk_register_apbc("kpc", "clk32",
+ apbc_base + APBC_KPC, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa27x-keypad");
+
+ clk = mmp_clk_register_apbc("rtc", "clk32",
+ apbc_base + APBC_RTC, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "mmp-rtc");
+
+ clk = mmp_clk_register_apbc("pwm0", "vctcxo",
+ apbc_base + APBC_PWM0, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "mmp2-pwm.0");
+
+ clk = mmp_clk_register_apbc("pwm1", "vctcxo",
+ apbc_base + APBC_PWM1, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "mmp2-pwm.1");
+
+ clk = mmp_clk_register_apbc("pwm2", "vctcxo",
+ apbc_base + APBC_PWM2, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "mmp2-pwm.2");
+
+ clk = mmp_clk_register_apbc("pwm3", "vctcxo",
+ apbc_base + APBC_PWM3, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "mmp2-pwm.3");
+
+ clk = clk_register_mux(NULL, "uart0_mux", uart_parent,
+ ARRAY_SIZE(uart_parent), CLK_SET_RATE_PARENT,
+ apbc_base + APBC_UART0, 4, 3, 0, &clk_lock);
+ clk_set_parent(clk, vctcxo);
+ clk_register_clkdev(clk, "uart_mux.0", NULL);
+
+ clk = mmp_clk_register_apbc("uart0", "uart0_mux",
+ apbc_base + APBC_UART0, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa2xx-uart.0");
+
+ clk = clk_register_mux(NULL, "uart1_mux", uart_parent,
+ ARRAY_SIZE(uart_parent), CLK_SET_RATE_PARENT,
+ apbc_base + APBC_UART1, 4, 3, 0, &clk_lock);
+ clk_set_parent(clk, vctcxo);
+ clk_register_clkdev(clk, "uart_mux.1", NULL);
+
+ clk = mmp_clk_register_apbc("uart1", "uart1_mux",
+ apbc_base + APBC_UART1, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa2xx-uart.1");
+
+ clk = clk_register_mux(NULL, "uart2_mux", uart_parent,
+ ARRAY_SIZE(uart_parent), CLK_SET_RATE_PARENT,
+ apbc_base + APBC_UART2, 4, 3, 0, &clk_lock);
+ clk_set_parent(clk, vctcxo);
+ clk_register_clkdev(clk, "uart_mux.2", NULL);
+
+ clk = mmp_clk_register_apbc("uart2", "uart2_mux",
+ apbc_base + APBC_UART2, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa2xx-uart.2");
+
+ clk = clk_register_mux(NULL, "uart3_mux", uart_parent,
+ ARRAY_SIZE(uart_parent), CLK_SET_RATE_PARENT,
+ apbc_base + APBC_UART3, 4, 3, 0, &clk_lock);
+ clk_set_parent(clk, vctcxo);
+ clk_register_clkdev(clk, "uart_mux.3", NULL);
+
+ clk = mmp_clk_register_apbc("uart3", "uart3_mux",
+ apbc_base + APBC_UART3, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "pxa2xx-uart.3");
+
+ clk = clk_register_mux(NULL, "ssp0_mux", ssp_parent,
+ ARRAY_SIZE(ssp_parent), CLK_SET_RATE_PARENT,
+ apbc_base + APBC_SSP0, 4, 3, 0, &clk_lock);
+ clk_register_clkdev(clk, "uart_mux.0", NULL);
+
+ clk = mmp_clk_register_apbc("ssp0", "ssp0_mux",
+ apbc_base + APBC_SSP0, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "mmp-ssp.0");
+
+ clk = clk_register_mux(NULL, "ssp1_mux", ssp_parent,
+ ARRAY_SIZE(ssp_parent), CLK_SET_RATE_PARENT,
+ apbc_base + APBC_SSP1, 4, 3, 0, &clk_lock);
+ clk_register_clkdev(clk, "ssp_mux.1", NULL);
+
+ clk = mmp_clk_register_apbc("ssp1", "ssp1_mux",
+ apbc_base + APBC_SSP1, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "mmp-ssp.1");
+
+ clk = clk_register_mux(NULL, "ssp2_mux", ssp_parent,
+ ARRAY_SIZE(ssp_parent), CLK_SET_RATE_PARENT,
+ apbc_base + APBC_SSP2, 4, 3, 0, &clk_lock);
+ clk_register_clkdev(clk, "ssp_mux.2", NULL);
+
+ clk = mmp_clk_register_apbc("ssp2", "ssp2_mux",
+ apbc_base + APBC_SSP2, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "mmp-ssp.2");
+
+ clk = clk_register_mux(NULL, "ssp3_mux", ssp_parent,
+ ARRAY_SIZE(ssp_parent), CLK_SET_RATE_PARENT,
+ apbc_base + APBC_SSP3, 4, 3, 0, &clk_lock);
+ clk_register_clkdev(clk, "ssp_mux.3", NULL);
+
+ clk = mmp_clk_register_apbc("ssp3", "ssp3_mux",
+ apbc_base + APBC_SSP3, 10, 0, &clk_lock);
+ clk_register_clkdev(clk, NULL, "mmp-ssp.3");
+
+ clk = clk_register_mux(NULL, "sdh_mux", sdh_parent,
+ ARRAY_SIZE(sdh_parent), CLK_SET_RATE_PARENT,
+ apmu_base + APMU_SDH0, 8, 2, 0, &clk_lock);
+ clk_register_clkdev(clk, "sdh_mux", NULL);
+
+ clk = clk_register_divider(NULL, "sdh_div", "sdh_mux",
+ CLK_SET_RATE_PARENT, apmu_base + APMU_SDH0,
+ 10, 4, CLK_DIVIDER_ONE_BASED, &clk_lock);
+ clk_register_clkdev(clk, "sdh_div", NULL);
+
+ clk = mmp_clk_register_apmu("sdh0", "sdh_div", apmu_base + APMU_SDH0,
+ 0x1b, &clk_lock);
+ clk_register_clkdev(clk, NULL, "sdhci-pxav3.0");
+
+ clk = mmp_clk_register_apmu("sdh1", "sdh_div", apmu_base + APMU_SDH1,
+ 0x1b, &clk_lock);
+ clk_register_clkdev(clk, NULL, "sdhci-pxav3.1");
+
+ clk = mmp_clk_register_apmu("sdh2", "sdh_div", apmu_base + APMU_SDH2,
+ 0x1b, &clk_lock);
+ clk_register_clkdev(clk, NULL, "sdhci-pxav3.2");
+
+ clk = mmp_clk_register_apmu("sdh3", "sdh_div", apmu_base + APMU_SDH3,
+ 0x1b, &clk_lock);
+ clk_register_clkdev(clk, NULL, "sdhci-pxav3.3");
+
+ clk = mmp_clk_register_apmu("usb", "usb_pll", apmu_base + APMU_USB,
+ 0x9, &clk_lock);
+ clk_register_clkdev(clk, "usb_clk", NULL);
+
+ clk = clk_register_mux(NULL, "disp0_mux", disp_parent,
+ ARRAY_SIZE(disp_parent), CLK_SET_RATE_PARENT,
+ apmu_base + APMU_DISP0, 6, 2, 0, &clk_lock);
+ clk_register_clkdev(clk, "disp_mux.0", NULL);
+
+ clk = clk_register_divider(NULL, "disp0_div", "disp0_mux",
+ CLK_SET_RATE_PARENT, apmu_base + APMU_DISP0,
+ 8, 4, CLK_DIVIDER_ONE_BASED, &clk_lock);
+ clk_register_clkdev(clk, "disp_div.0", NULL);
+
+ clk = mmp_clk_register_apmu("disp0", "disp0_div",
+ apmu_base + APMU_DISP0, 0x1b, &clk_lock);
+ clk_register_clkdev(clk, NULL, "mmp-disp.0");
+
+ clk = clk_register_divider(NULL, "disp0_sphy_div", "disp0_mux", 0,
+ apmu_base + APMU_DISP0, 15, 5, 0, &clk_lock);
+ clk_register_clkdev(clk, "disp_sphy_div.0", NULL);
+
+ clk = mmp_clk_register_apmu("disp0_sphy", "disp0_sphy_div",
+ apmu_base + APMU_DISP0, 0x1024, &clk_lock);
+ clk_register_clkdev(clk, "disp_sphy.0", NULL);
+
+ clk = clk_register_mux(NULL, "disp1_mux", disp_parent,
+ ARRAY_SIZE(disp_parent), CLK_SET_RATE_PARENT,
+ apmu_base + APMU_DISP1, 6, 2, 0, &clk_lock);
+ clk_register_clkdev(clk, "disp_mux.1", NULL);
+
+ clk = clk_register_divider(NULL, "disp1_div", "disp1_mux",
+ CLK_SET_RATE_PARENT, apmu_base + APMU_DISP1,
+ 8, 4, CLK_DIVIDER_ONE_BASED, &clk_lock);
+ clk_register_clkdev(clk, "disp_div.1", NULL);
+
+ clk = mmp_clk_register_apmu("disp1", "disp1_div",
+ apmu_base + APMU_DISP1, 0x1b, &clk_lock);
+ clk_register_clkdev(clk, NULL, "mmp-disp.1");
+
+ clk = mmp_clk_register_apmu("ccic_arbiter", "vctcxo",
+ apmu_base + APMU_CCIC0, 0x1800, &clk_lock);
+ clk_register_clkdev(clk, "ccic_arbiter", NULL);
+
+ clk = clk_register_mux(NULL, "ccic0_mux", ccic_parent,
+ ARRAY_SIZE(ccic_parent), CLK_SET_RATE_PARENT,
+ apmu_base + APMU_CCIC0, 6, 2, 0, &clk_lock);
+ clk_register_clkdev(clk, "ccic_mux.0", NULL);
+
+ clk = clk_register_divider(NULL, "ccic0_div", "ccic0_mux",
+ CLK_SET_RATE_PARENT, apmu_base + APMU_CCIC0,
+ 17, 4, CLK_DIVIDER_ONE_BASED, &clk_lock);
+ clk_register_clkdev(clk, "ccic_div.0", NULL);
+
+ clk = mmp_clk_register_apmu("ccic0", "ccic0_div",
+ apmu_base + APMU_CCIC0, 0x1b, &clk_lock);
+ clk_register_clkdev(clk, "fnclk", "mmp-ccic.0");
+
+ clk = mmp_clk_register_apmu("ccic0_phy", "ccic0_div",
+ apmu_base + APMU_CCIC0, 0x24, &clk_lock);
+ clk_register_clkdev(clk, "phyclk", "mmp-ccic.0");
+
+ clk = clk_register_divider(NULL, "ccic0_sphy_div", "ccic0_div",
+ CLK_SET_RATE_PARENT, apmu_base + APMU_CCIC0,
+ 10, 5, 0, &clk_lock);
+ clk_register_clkdev(clk, "sphyclk_div", "mmp-ccic.0");
+
+ clk = mmp_clk_register_apmu("ccic0_sphy", "ccic0_sphy_div",
+ apmu_base + APMU_CCIC0, 0x300, &clk_lock);
+ clk_register_clkdev(clk, "sphyclk", "mmp-ccic.0");
+
+ clk = clk_register_mux(NULL, "ccic1_mux", ccic_parent,
+ ARRAY_SIZE(ccic_parent), CLK_SET_RATE_PARENT,
+ apmu_base + APMU_CCIC1, 6, 2, 0, &clk_lock);
+ clk_register_clkdev(clk, "ccic_mux.1", NULL);
+
+ clk = clk_register_divider(NULL, "ccic1_div", "ccic1_mux",
+ CLK_SET_RATE_PARENT, apmu_base + APMU_CCIC1,
+ 16, 4, CLK_DIVIDER_ONE_BASED, &clk_lock);
+ clk_register_clkdev(clk, "ccic_div.1", NULL);
+
+ clk = mmp_clk_register_apmu("ccic1", "ccic1_div",
+ apmu_base + APMU_CCIC1, 0x1b, &clk_lock);
+ clk_register_clkdev(clk, "fnclk", "mmp-ccic.1");
+
+ clk = mmp_clk_register_apmu("ccic1_phy", "ccic1_div",
+ apmu_base + APMU_CCIC1, 0x24, &clk_lock);
+ clk_register_clkdev(clk, "phyclk", "mmp-ccic.1");
+
+ clk = clk_register_divider(NULL, "ccic1_sphy_div", "ccic1_div",
+ CLK_SET_RATE_PARENT, apmu_base + APMU_CCIC1,
+ 10, 5, 0, &clk_lock);
+ clk_register_clkdev(clk, "sphyclk_div", "mmp-ccic.1");
+
+ clk = mmp_clk_register_apmu("ccic1_sphy", "ccic1_sphy_div",
+ apmu_base + APMU_CCIC1, 0x300, &clk_lock);
+ clk_register_clkdev(clk, "sphyclk", "mmp-ccic.1");
+}
--
1.7.0.4
From: Chao Xie <[email protected]>
Signed-off-by: Chao Xie <[email protected]>
---
arch/arm/mach-mmp/Kconfig | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-mmp/Kconfig b/arch/arm/mach-mmp/Kconfig
index 7fddd01..d697d07 100644
--- a/arch/arm/mach-mmp/Kconfig
+++ b/arch/arm/mach-mmp/Kconfig
@@ -108,18 +108,21 @@ endmenu
config CPU_PXA168
bool
select CPU_MOHAWK
+ select COMMON_CLK
help
Select code specific to PXA168
config CPU_PXA910
bool
select CPU_MOHAWK
+ select COMMON_CLK
help
Select code specific to PXA910
config CPU_MMP2
bool
select CPU_PJ4
+ select COMMON_CLK
help
Select code specific to MMP2. MMP2 is ARMv7 compatible.
--
1.7.0.4
On Monday 20 August 2012, Chao Xie wrote:
>
> From: Chao Xie <[email protected]>
>
> v1->v2:
> replace __raw_xxx with xxx_relax
> use ioremap to remap the registers. Finaly it will use device tree to
> get the physical address.
> do not use macro to register clocks, and directly call the functions.
>
> v2->v3:
> pxa910 will have APB extension clock, so some peripharals will have
> clocks in APB extension base.
> change pxa168-pwm to be pxa910-pwm for pxa910. It will fit the current
> pwm driver.
>
> v3->v4:
> remove addtional clock name definition
> replace left __raw_xxx
>
> v4->v5:
> change the format of the file
>
Reviewed-by: Arnd Bergmann <[email protected]>
Arnd
Quoting Chao Xie (2012-08-19 19:55:10)
> From: Chao Xie <[email protected]>
> arch/arm/mach-mmp/Kconfig | 3 +
> drivers/clk/Makefile | 3 +
> drivers/clk/mmp/Makefile | 9 +
> drivers/clk/mmp/clk-apbc.c | 152 ++++++++++++++
> drivers/clk/mmp/clk-apmu.c | 97 +++++++++
> drivers/clk/mmp/clk-frac.c | 153 ++++++++++++++
> drivers/clk/mmp/clk-mmp2.c | 449 ++++++++++++++++++++++++++++++++++++++++++
> drivers/clk/mmp/clk-pxa168.c | 346 ++++++++++++++++++++++++++++++++
> drivers/clk/mmp/clk-pxa910.c | 320 ++++++++++++++++++++++++++++++
> drivers/clk/mmp/clk.h | 35 ++++
Looks like you are not removing your arch/arm/mach-mmp/clock.c. Is that
intentional?
When I apply your series against v3.6-rc3 I find that compilation breaks
with mmp2_defconfig due to conflicting definitions for the clk api
(clk_enable, clk_set_rate, etc). This is not surprising since your
legacy clock code is neither deleted nor removed from compilation
conditionally by checking for CONFIG_COMMON_CLK.
Did I somehow manage to misapply your patches or should your patches
have removed the arch-specific clock framework as well?
Regards,
Mike
> 10 files changed, 1567 insertions(+), 0 deletions(-)
> create mode 100644 drivers/clk/mmp/Makefile
> create mode 100644 drivers/clk/mmp/clk-apbc.c
> create mode 100644 drivers/clk/mmp/clk-apmu.c
> create mode 100644 drivers/clk/mmp/clk-frac.c
> create mode 100644 drivers/clk/mmp/clk-mmp2.c
> create mode 100644 drivers/clk/mmp/clk-pxa168.c
> create mode 100644 drivers/clk/mmp/clk-pxa910.c
> create mode 100644 drivers/clk/mmp/clk.h
On Sat, Aug 25, 2012 at 8:21 AM, Mike Turquette <[email protected]> wrote:
> Quoting Chao Xie (2012-08-19 19:55:10)
>> From: Chao Xie <[email protected]>
>> arch/arm/mach-mmp/Kconfig | 3 +
>> drivers/clk/Makefile | 3 +
>> drivers/clk/mmp/Makefile | 9 +
>> drivers/clk/mmp/clk-apbc.c | 152 ++++++++++++++
>> drivers/clk/mmp/clk-apmu.c | 97 +++++++++
>> drivers/clk/mmp/clk-frac.c | 153 ++++++++++++++
>> drivers/clk/mmp/clk-mmp2.c | 449 ++++++++++++++++++++++++++++++++++++++++++
>> drivers/clk/mmp/clk-pxa168.c | 346 ++++++++++++++++++++++++++++++++
>> drivers/clk/mmp/clk-pxa910.c | 320 ++++++++++++++++++++++++++++++
>> drivers/clk/mmp/clk.h | 35 ++++
>
> Looks like you are not removing your arch/arm/mach-mmp/clock.c. Is that
> intentional?
>
> When I apply your series against v3.6-rc3 I find that compilation breaks
> with mmp2_defconfig due to conflicting definitions for the clk api
> (clk_enable, clk_set_rate, etc). This is not surprising since your
> legacy clock code is neither deleted nor removed from compilation
> conditionally by checking for CONFIG_COMMON_CLK.
>
> Did I somehow manage to misapply your patches or should your patches
> have removed the arch-specific clock framework as well?
>
hi, Mike
Yes. There are some patches for seperate the original clock code in arch.
I had sent these patches before, but it seems that too many patches
sent, and haojian missed it.
I will sent out the patches for arch today. Thanks.
> Regards,
> Mike
>
>> 10 files changed, 1567 insertions(+), 0 deletions(-)
>> create mode 100644 drivers/clk/mmp/Makefile
>> create mode 100644 drivers/clk/mmp/clk-apbc.c
>> create mode 100644 drivers/clk/mmp/clk-apmu.c
>> create mode 100644 drivers/clk/mmp/clk-frac.c
>> create mode 100644 drivers/clk/mmp/clk-mmp2.c
>> create mode 100644 drivers/clk/mmp/clk-pxa168.c
>> create mode 100644 drivers/clk/mmp/clk-pxa910.c
>> create mode 100644 drivers/clk/mmp/clk.h