Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756819Ab3HZLjk (ORCPT ); Mon, 26 Aug 2013 07:39:40 -0400 Received: from mailout2.samsung.com ([203.254.224.25]:26777 "EHLO mailout2.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756701Ab3HZLje (ORCPT ); Mon, 26 Aug 2013 07:39:34 -0400 X-AuditID: cbfee61a-b7f7a6d00000235f-b8-521b3e748408 From: Mateusz Krawczuk To: kgene.kim@samsung.com Cc: kyungmin.park@samsung.com, t.figa@samsung.com, tomasz.figa@gmail.com, rob.herring@calxeda.com, pawel.moll@arm.com, mark.rutland@arm.com, swarren@wwwdotorg.org, ian.campbell@citrix.com, rob@landley.net, mturquette@linaro.org, thomas.abraham@linaro.org, t.stanislaws@samsung.com, m.chehab@samsung.com, s.nawrocki@samsung.com, m.szyprowski@samung.com, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux@arm.linux.org.uk, devicetree@vger.kernel.org, linux-doc@vger.kernel.org, Mateusz Krawczuk Subject: [PATCH RFC 5/5] ARM: s5pv210: Migrate clock handling to Common Clock Framework Date: Mon, 26 Aug 2013 13:38:34 +0200 Message-id: <1377517114-20222-6-git-send-email-m.krawczuk@partner.samsung.com> X-Mailer: git-send-email 1.8.1.2 In-reply-to: <1377517114-20222-1-git-send-email-m.krawczuk@partner.samsung.com> References: <1377517114-20222-1-git-send-email-m.krawczuk@partner.samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFmpnkeLIzCtJLcpLzFFi42I5/e+xoG6pnXSQwdGfHBbzj5xjtXjT28Fi 0bvgKpvF2aY37BabHl9jtVjYtoTF4vKuOWwWM87vY7K4fZnX4uI6eYvTa04xW7zuO8xisfT6 RSaLpxMusllMmL6WxeLwigNMFuteTgey3rSzWrw62MZisX7GaxaLee0vWS2OzVjCaLFq1x9G B3GPNfPWMHq0NPeweSz4fIXd4/XkCYweO2fdZfd4tXomq8eda3vYPDYvqfc4+G4Pk0ffllWM Ht2fbrF6fN4k57FxbmgAbxSXTUpqTmZZapG+XQJXxvKfa1kKVtpWXDh/grWB8aVxFyMnh4SA icSnVZdZIGwxiQv31rOB2EIC0xklWm9lQNjtTBKLVkaD2GwC5hITn20CqxcRkJRoavjD3MXI xcEscINFYsHRv4wgCWGBSInD/9eC2SwCqhLb565lB7F5Bfwkmg50Qy1TkPh5+QTYMk4Bf4k9 LX3sEMv8JM4t/8YygZF3ASPDKkbR1ILkguKk9FxDveLE3OLSvHS95PzcTYzg6HkmtYNxZYPF IUYBDkYlHt7AAqkgIdbEsuLK3EOMEhzMSiK85qLSQUK8KYmVValF+fFFpTmpxYcYpTlYlMR5 D7RaBwoJpCeWpGanphakFsFkmTg4pRoYRVkt7f69qD+7aGPbt+KYpneGNfXcU2J9Nmvv6LXK n2Urq5vFmJJ01nB7z62Da/5uXtfTu6jFRYXx58zDLNY5S+TDDLZ2s7A2cW2Oe9p4/YX02vWT W07UbVHM+vfnl6n9xd4Pdlctd7/JFT8npyb+OF3wxMOf2UddHDZ/qvx/sPL4W9fSg7PrlFiK MxINtZiLihMBfn06rZoCAAA= Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 7851 Lines: 248 This patch migrates the s5pv210 platform to use new clock driver using Common Clock Framework. Signed-off-by: Mateusz Krawczuk --- arch/arm/mach-s5pv210/Kconfig | 9 +++++++++ arch/arm/mach-s5pv210/Makefile | 4 ++-- arch/arm/mach-s5pv210/common.c | 22 ++++++++++++++++++++++ arch/arm/mach-s5pv210/common.h | 13 +++++++++++++ arch/arm/mach-s5pv210/mach-aquila.c | 1 + arch/arm/mach-s5pv210/mach-goni.c | 3 ++- arch/arm/mach-s5pv210/mach-smdkc110.c | 1 + arch/arm/mach-s5pv210/mach-smdkv210.c | 1 + arch/arm/mach-s5pv210/mach-torbreck.c | 1 + arch/arm/plat-samsung/Kconfig | 2 +- arch/arm/plat-samsung/init.c | 2 -- 11 files changed, 53 insertions(+), 6 deletions(-) diff --git a/arch/arm/mach-s5pv210/Kconfig b/arch/arm/mach-s5pv210/Kconfig index caaedaf..ad4546e 100644 --- a/arch/arm/mach-s5pv210/Kconfig +++ b/arch/arm/mach-s5pv210/Kconfig @@ -15,6 +15,7 @@ config CPU_S5PV210 select S5P_PM if PM select S5P_SLEEP if PM select SAMSUNG_DMADEV + select S5P_CLOCK if !COMMON_CLK help Enable S5PV210 CPU support @@ -69,6 +70,14 @@ config S5PV210_SETUP_USB_PHY help Common setup code for USB PHY controller +config COMMON_CLK_S5PV210 + bool "Common Clock Framework support" + default y + select COMMON_CLK + help + Enable this option to use new clock driver + based on Common Clock Framework. + menu "S5PC110 Machines" config MACH_AQUILA diff --git a/arch/arm/mach-s5pv210/Makefile b/arch/arm/mach-s5pv210/Makefile index 1c4e419..0c67fe2 100644 --- a/arch/arm/mach-s5pv210/Makefile +++ b/arch/arm/mach-s5pv210/Makefile @@ -12,8 +12,8 @@ obj- := # Core -obj-y += common.o clock.o - +obj-y += common.o +obj-$(CONFIG_S5P_CLOCK) += clock.o obj-$(CONFIG_PM) += pm.o obj-y += dma.o diff --git a/arch/arm/mach-s5pv210/common.c b/arch/arm/mach-s5pv210/common.c index 26027a2..3c3dd05 100644 --- a/arch/arm/mach-s5pv210/common.c +++ b/arch/arm/mach-s5pv210/common.c @@ -34,7 +34,13 @@ #include #include + +#ifdef CONFIG_S5P_CLOCK #include +#else +#include +#endif + #include #include #include @@ -50,6 +56,19 @@ #include "common.h" +/* External clock frequency */ +static unsigned long xxti_f, xusbxti_f; + +void __init s5pv210_set_xxti_freq(unsigned long freq) +{ + xxti_f = freq; +} + +void __init s5pv210_set_xusbxti_freq(unsigned long freq) +{ + xusbxti_f = freq; +} + static const char name_s5pv210[] = "S5PV210/S5PC110"; static struct cpu_table cpu_ids[] __initdata = { @@ -229,12 +248,14 @@ void __init s5pv210_map_io(void) void __init s5pv210_init_clocks(int xtal) { +#ifdef CONFIG_S5P_CLOCK printk(KERN_DEBUG "%s: initializing clocks\n", __func__); s3c24xx_register_baseclocks(xtal); s5p_register_clocks(xtal); s5pv210_register_clocks(); s5pv210_setup_clocks(); +#endif } void __init s5pv210_init_irq(void) @@ -248,6 +269,7 @@ void __init s5pv210_init_irq(void) vic[3] = ~0; s5p_init_irq(vic, ARRAY_SIZE(vic)); + s5pv210_clk_init(NULL, xxti_f, xusbxti_f, S3C_VA_SYS); } struct bus_type s5pv210_subsys = { diff --git a/arch/arm/mach-s5pv210/common.h b/arch/arm/mach-s5pv210/common.h index fe1beb5..2db2a15 100644 --- a/arch/arm/mach-s5pv210/common.h +++ b/arch/arm/mach-s5pv210/common.h @@ -14,6 +14,19 @@ #include +void s5pv210_set_xxti_freq(unsigned long freq); +void s5pv210_set_xusbxti_freq(unsigned long freq); + +#ifdef CONFIG_COMMON_CLK_S5PV210 +void s5pv210_clk_init(struct device_node *np, + unsigned long xxti_f, unsigned long xusbxti_f, + void __iomem *reg_base); +#else +static inline void s5pv210_clk_init(struct device_node *np, + unsigned long xxti_f, unsigned long xusbxti_f, + void __iomem *reg_base) {} +#endif + void s5pv210_init_io(struct map_desc *mach_desc, int size); void s5pv210_init_irq(void); diff --git a/arch/arm/mach-s5pv210/mach-aquila.c b/arch/arm/mach-s5pv210/mach-aquila.c index ad40ab0..e37a311 100644 --- a/arch/arm/mach-s5pv210/mach-aquila.c +++ b/arch/arm/mach-s5pv210/mach-aquila.c @@ -646,6 +646,7 @@ static void __init aquila_map_io(void) { s5pv210_init_io(NULL, 0); s3c24xx_init_clocks(24000000); + s5pv210_set_xusbxti_freq(24000000); s3c24xx_init_uarts(aquila_uartcfgs, ARRAY_SIZE(aquila_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); } diff --git a/arch/arm/mach-s5pv210/mach-goni.c b/arch/arm/mach-s5pv210/mach-goni.c index 309b5ad..a306c3b 100644 --- a/arch/arm/mach-s5pv210/mach-goni.c +++ b/arch/arm/mach-s5pv210/mach-goni.c @@ -946,7 +946,8 @@ static void __init goni_sound_init(void) static void __init goni_map_io(void) { s5pv210_init_io(NULL, 0); - s3c24xx_init_clocks(clk_xusbxti.rate); + s3c24xx_init_clocks(24000000); + s5pv210_set_xusbxti_freq(24000000); s3c24xx_init_uarts(goni_uartcfgs, ARRAY_SIZE(goni_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); } diff --git a/arch/arm/mach-s5pv210/mach-smdkc110.c b/arch/arm/mach-s5pv210/mach-smdkc110.c index 7c0ed07..89563ed 100644 --- a/arch/arm/mach-s5pv210/mach-smdkc110.c +++ b/arch/arm/mach-s5pv210/mach-smdkc110.c @@ -119,6 +119,7 @@ static void __init smdkc110_map_io(void) { s5pv210_init_io(NULL, 0); s3c24xx_init_clocks(24000000); + s5pv210_set_xusbxti_freq(24000000); s3c24xx_init_uarts(smdkv210_uartcfgs, ARRAY_SIZE(smdkv210_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); } diff --git a/arch/arm/mach-s5pv210/mach-smdkv210.c b/arch/arm/mach-s5pv210/mach-smdkv210.c index 6d72bb99..ff4a470 100644 --- a/arch/arm/mach-s5pv210/mach-smdkv210.c +++ b/arch/arm/mach-s5pv210/mach-smdkv210.c @@ -285,6 +285,7 @@ static void __init smdkv210_map_io(void) { s5pv210_init_io(NULL, 0); s3c24xx_init_clocks(clk_xusbxti.rate); + s5pv210_set_xusbxti_freq(24000000); s3c24xx_init_uarts(smdkv210_uartcfgs, ARRAY_SIZE(smdkv210_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM2, SAMSUNG_PWM4); } diff --git a/arch/arm/mach-s5pv210/mach-torbreck.c b/arch/arm/mach-s5pv210/mach-torbreck.c index 579afe8..c131cd2 100644 --- a/arch/arm/mach-s5pv210/mach-torbreck.c +++ b/arch/arm/mach-s5pv210/mach-torbreck.c @@ -105,6 +105,7 @@ static void __init torbreck_map_io(void) { s5pv210_init_io(NULL, 0); s3c24xx_init_clocks(24000000); + s5pv210_set_xusbxti_freq(24000000); s3c24xx_init_uarts(torbreck_uartcfgs, ARRAY_SIZE(torbreck_uartcfgs)); samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4); } diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig index 7dfba93..2a98613 100644 --- a/arch/arm/plat-samsung/Kconfig +++ b/arch/arm/plat-samsung/Kconfig @@ -91,7 +91,7 @@ config SAMSUNG_CLKSRC used by newer systems such as the S3C64XX. config S5P_CLOCK - def_bool (ARCH_S5P64X0 || ARCH_S5PC100 || ARCH_S5PV210) + def_bool (ARCH_S5P64X0 || ARCH_S5PC100) help Support common clock part for ARCH_S5P and ARCH_EXYNOS SoCs diff --git a/arch/arm/plat-samsung/init.c b/arch/arm/plat-samsung/init.c index 50a3ea0..915e87f 100644 --- a/arch/arm/plat-samsung/init.c +++ b/arch/arm/plat-samsung/init.c @@ -63,7 +63,6 @@ void __init s3c_init_cpu(unsigned long idcode, if (cpu->map_io) cpu->map_io(); } - /* s3c24xx_init_clocks * * Initialise the clock subsystem and associated information from the @@ -86,7 +85,6 @@ void __init s3c24xx_init_clocks(int xtal) else (cpu->init_clocks)(xtal); } - /* uart management */ #if IS_ENABLED(CONFIG_SAMSUNG_ATAGS) static int nr_uarts __initdata = 0; -- 1.8.1.2 -- 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/