Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754250Ab2HPCR1 (ORCPT ); Wed, 15 Aug 2012 22:17:27 -0400 Received: from na3sys009aog135.obsmtp.com ([74.125.149.84]:54994 "EHLO na3sys009aog135.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753666Ab2HPCRF (ORCPT ); Wed, 15 Aug 2012 22:17:05 -0400 From: Chao Xie To: haojian.zhuang@gmail.com, mturquette@linaro.org, viresh.linux@gmail.com, s.hauer@pengutronix.de, chao.xie@marvell.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.or, arnd@arndb.de Cc: Chao Xie Subject: [PATCH V2 3/5] clk: mmp: add clock definition for pxa910 Date: Thu, 16 Aug 2012 10:20:23 +0800 Message-Id: <1345083625-3041-4-git-send-email-xiechao.mail@gmail.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1345083625-3041-1-git-send-email-xiechao.mail@gmail.com> References: <1345083625-3041-1-git-send-email-xiechao.mail@gmail.com> X-OriginalArrivalTime: 16 Aug 2012 02:16:40.0454 (UTC) FILETIME=[2C047A60:01CD7B55] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 13394 Lines: 395 From: Chao Xie Initialize the clocks for pxa910 Signed-off-by: Chao Xie --- drivers/clk/mmp/Makefile | 1 + drivers/clk/mmp/clk-pxa910.c | 361 ++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 362 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..3428c9f --- /dev/null +++ b/drivers/clk/mmp/clk-pxa910.c @@ -0,0 +1,361 @@ +/* + * pxa168 clock framework source file + * + * Copyright (C) 2012 Marvell + * Chao Xie + * + * 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 +#include +#include +#include +#include +#include + +#include + +#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 APBC_TWSI1 0x28 +#define APBC_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); + +enum { + clk32, vctcxo, pll1, pll1_2, pll1_4, pll1_8, pll1_16, pll1_6, pll1_12, + pll1_24, pll1_48, pll1_96, pll1_13, pll1_13_1_5, pll1_2_1_5, + pll1_3_16, uart_pll, twsi0, twsi1, gpio, kpc, rtc, pwm0, pwm1, pwm2, + pwm3, uart0_mux, uart0, uart1_mux, uart1, ssp0_mux, ssp0, ssp1_mux, + ssp1, dfc, sdh0_mux, sdh0, sdh1_mux, sdh1, usb, sph, disp0_mux, + disp0, ccic0_mux, ccic0, ccic0_phy_mux, ccic0_phy, ccic0_sphy_div, + ccic0_sphy, clk_max +}; + +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 *clocks[clk_max]; + 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; + } + + clocks[clk32] = + clk_register_fixed_rate(NULL, "clk32", NULL, CLK_IS_ROOT, 3200); + clk_register_clkdev(clocks[clk32], "clk32", NULL); + + clocks[vctcxo] = + clk_register_fixed_rate(NULL, "vctcxo", NULL, CLK_IS_ROOT, + 26000000); + clk_register_clkdev(clocks[vctcxo], "vctcxo", NULL); + + clocks[pll1] = + clk_register_fixed_rate(NULL, "pll1", NULL, CLK_IS_ROOT, 624000000); + clk_register_clkdev(clocks[pll1], "pll1", NULL); + + clocks[pll1_2] = + clk_register_fixed_factor(NULL, "pll1_2", "pll1", + CLK_SET_RATE_PARENT, 1, 2); + clk_register_clkdev(clocks[pll1_2], "pll1_2", NULL); + + clocks[pll1_4] = + clk_register_fixed_factor(NULL, "pll1_4", "pll1_2", + CLK_SET_RATE_PARENT, 1, 2); + clk_register_clkdev(clocks[pll1_4], "pll1_4", NULL); + + clocks[pll1_8] = + clk_register_fixed_factor(NULL, "pll1_8", "pll1_4", + CLK_SET_RATE_PARENT, 1, 2); + clk_register_clkdev(clocks[pll1_8], "pll1_8", NULL); + + clocks[pll1_16] = + clk_register_fixed_factor(NULL, "pll1_16", "pll1_8", + CLK_SET_RATE_PARENT, 1, 2); + clk_register_clkdev(clocks[pll1_16], "pll1_16", NULL); + + clocks[pll1_6] = + clk_register_fixed_factor(NULL, "pll1_6", "pll1_2", + CLK_SET_RATE_PARENT, 1, 3); + clk_register_clkdev(clocks[pll1_6], "pll1_6", NULL); + + clocks[pll1_12] = + clk_register_fixed_factor(NULL, "pll1_12", "pll1_6", + CLK_SET_RATE_PARENT, 1, 2); + clk_register_clkdev(clocks[pll1_12], "pll1_12", NULL); + + clocks[pll1_24] = + clk_register_fixed_factor(NULL, "pll1_24", "pll1_12", + CLK_SET_RATE_PARENT, 1, 2); + clk_register_clkdev(clocks[pll1_24], "pll1_24", NULL); + + clocks[pll1_48] = + clk_register_fixed_factor(NULL, "pll1_48", "pll1_24", + CLK_SET_RATE_PARENT, 1, 2); + clk_register_clkdev(clocks[pll1_48], "pll1_48", NULL); + + clocks[pll1_96] = + clk_register_fixed_factor(NULL, "pll1_96", "pll1_48", + CLK_SET_RATE_PARENT, 1, 2); + clk_register_clkdev(clocks[pll1_96], "pll1_96", NULL); + + clocks[pll1_13] = + clk_register_fixed_factor(NULL, "pll1_13", "pll1", + CLK_SET_RATE_PARENT, 1, 13); + clk_register_clkdev(clocks[pll1_13], "pll1_13", NULL); + + clocks[pll1_13_1_5] = + clk_register_fixed_factor(NULL, "pll1_13_1_5", "pll1", + CLK_SET_RATE_PARENT, 2, 3); + clk_register_clkdev(clocks[pll1_13_1_5], "pll1_13_1_5", NULL); + + clocks[pll1_2_1_5] = + clk_register_fixed_factor(NULL, "pll1_2_1_5", "pll1", + CLK_SET_RATE_PARENT, 2, 3); + clk_register_clkdev(clocks[pll1_2_1_5], "pll1_2_1_5", NULL); + + clocks[pll1_3_16] = + clk_register_fixed_factor(NULL, "pll1_3_16", "pll1", + CLK_SET_RATE_PARENT, 3, 16); + clk_register_clkdev(clocks[pll1_3_16], "pll1_3_16", NULL); + + clocks[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(clocks[uart_pll], 14745600); + clk_register_clkdev(clocks[uart_pll], "uart_pll", NULL); + + clocks[twsi0] = + mmp_clk_register_apbc("twsi0", "pll1_13_1_5", + apbc_base + APBC_TWSI0, 10, 0, &clk_lock); + clk_register_clkdev(clocks[twsi0], NULL, "pxa2xx-i2c.0"); + + clocks[twsi1] = + mmp_clk_register_apbc("twsi1", "pll1_13_1_5", + apbc_base + APBC_TWSI1, 10, 0, &clk_lock); + clk_register_clkdev(clocks[twsi1], NULL, "pxa2xx-i2c.1"); + + clocks[gpio] = + mmp_clk_register_apbc("gpio", "vctcxo", apbc_base + APBC_GPIO, 10, + 0, &clk_lock); + clk_register_clkdev(clocks[gpio], NULL, "pxa-gpio"); + + clocks[kpc] = + mmp_clk_register_apbc("kpc", "clk32", apbc_base + APBC_KPC, 10, 0, + &clk_lock); + clk_register_clkdev(clocks[kpc], NULL, "pxa27x-keypad"); + + clocks[rtc] = + mmp_clk_register_apbc("rtc", "clk32", apbc_base + APBC_RTC, 10, 0, + &clk_lock); + clk_register_clkdev(clocks[rtc], NULL, "sa1100-rtc"); + + clocks[pwm0] = + mmp_clk_register_apbc("pwm0", "pll1_48", apbc_base + APBC_PWM0, 10, + 0, &clk_lock); + clk_register_clkdev(clocks[pwm0], NULL, "pxa168-pwm.0"); + + clocks[pwm1] = + mmp_clk_register_apbc("pwm1", "pll1_48", apbc_base + APBC_PWM1, 10, + 0, &clk_lock); + clk_register_clkdev(clocks[pwm1], NULL, "pxa168-pwm.1"); + + clocks[pwm2] = + mmp_clk_register_apbc("pwm2", "pll1_48", apbc_base + APBC_PWM2, 10, + 0, &clk_lock); + clk_register_clkdev(clocks[pwm2], NULL, "pxa168-pwm.2"); + + clocks[pwm3] = + mmp_clk_register_apbc("pwm3", "pll1_48", apbc_base + APBC_PWM3, 10, + 0, &clk_lock); + clk_register_clkdev(clocks[pwm3], NULL, "pxa168-pwm.3"); + + clocks[uart0_mux] = + 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(clocks[uart0_mux], clocks[uart_pll]); + clk_register_clkdev(clocks[uart0_mux], "uart_mux.0", NULL); + + clocks[uart0] = + mmp_clk_register_apbc("uart0", "uart0_mux", apbc_base + APBC_UART0, + 10, 0, &clk_lock); + clk_register_clkdev(clocks[uart0], NULL, "pxa2xx-uart.0"); + + clocks[uart1_mux] = + 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(clocks[uart1_mux], clocks[uart_pll]); + clk_register_clkdev(clocks[uart1_mux], "uart_mux.1", NULL); + + clocks[uart1] = + mmp_clk_register_apbc("uart1", "uart1_mux", apbc_base + APBC_UART1, + 10, 0, &clk_lock); + clk_register_clkdev(clocks[uart1], NULL, "pxa2xx-uart.1"); + + clocks[ssp0_mux] = + 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(clocks[ssp0_mux], "uart_mux.0", NULL); + + clocks[ssp0] = + mmp_clk_register_apbc("ssp0", "ssp0_mux", apbc_base + APBC_SSP0, 10, + 0, &clk_lock); + clk_register_clkdev(clocks[ssp0], NULL, "mmp-ssp.0"); + + clocks[ssp1_mux] = + 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(clocks[ssp1_mux], "ssp_mux.1", NULL); + + clocks[ssp1] = + mmp_clk_register_apbc("ssp1", "ssp1_mux", apbc_base + APBC_SSP1, 10, + 0, &clk_lock); + clk_register_clkdev(clocks[ssp1], NULL, "mmp-ssp.1"); + + clocks[dfc] = + mmp_clk_register_apmu("dfc", "pll1_4", apmu_base + APMU_DFC, 0x19b, + &clk_lock); + clk_register_clkdev(clocks[dfc], NULL, "pxa3xx-nand.0"); + + clocks[sdh0_mux] = + 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(clocks[sdh0_mux], "sdh0_mux", NULL); + + clocks[sdh0] = + mmp_clk_register_apmu("sdh0", "sdh_mux", apmu_base + APMU_SDH0, + 0x1b, &clk_lock); + clk_register_clkdev(clocks[sdh0], NULL, "sdhci-pxa.0"); + + clocks[sdh1_mux] = + 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(clocks[sdh1_mux], "sdh1_mux", NULL); + + clocks[sdh1] = + mmp_clk_register_apmu("sdh1", "sdh1_mux", apmu_base + APMU_SDH1, + 0x1b, &clk_lock); + clk_register_clkdev(clocks[sdh1], NULL, "sdhci-pxa.1"); + + clocks[usb] = + mmp_clk_register_apmu("usb", "usb_pll", apmu_base + APMU_USB, 0x9, + &clk_lock); + clk_register_clkdev(clocks[usb], "usb_clk", NULL); + + clocks[sph] = + mmp_clk_register_apmu("sph", "usb_pll", apmu_base + APMU_USB, 0x12, + &clk_lock); + clk_register_clkdev(clocks[sph], "sph_clk", NULL); + + clocks[disp0_mux] = + 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(clocks[disp0_mux], "disp_mux.0", NULL); + + clocks[disp0] = + mmp_clk_register_apmu("disp0", "disp0_mux", apmu_base + APMU_DISP0, + 0x1b, &clk_lock); + clk_register_clkdev(clocks[disp0], NULL, "mmp-disp.0"); + + clocks[ccic0_mux] = + 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(clocks[ccic0_mux], "ccic_mux.0", NULL); + + clocks[ccic0] = + mmp_clk_register_apmu("ccic0", "ccic0_mux", apmu_base + APMU_CCIC0, + 0x1b, &clk_lock); + clk_register_clkdev(clocks[ccic0], "fnclk", "mmp-ccic.0"); + + clocks[ccic0_phy_mux] = + 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(clocks[ccic0_phy_mux], "ccic_phy_mux.0", NULL); + + clocks[ccic0_phy] = + mmp_clk_register_apmu("ccic0_phy", "ccic0_phy_mux", + apmu_base + APMU_CCIC0, 0x24, &clk_lock); + clk_register_clkdev(clocks[ccic0_phy], "phyclk", "mmp-ccic.0"); + + clocks[ccic0_sphy_div] = + 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(clocks[ccic0_sphy_div], "sphyclk_div", NULL); + + clocks[ccic0_sphy] = + mmp_clk_register_apmu("ccic0_sphy", "ccic0_sphy_div", + apmu_base + APMU_CCIC0, 0x300, &clk_lock); + clk_register_clkdev(clocks[ccic0_sphy], "sphyclk", "mmp-ccic.0"); + +} -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/