From 63b870f149cdcd253ae8da88d8b5a0b43a68965c Mon Sep 17 00:00:00 2001 From: Shawn Guo Date: Thu, 17 Nov 2011 01:19:11 +0900 Subject: ARM: EXYNOS: remove exynos4_scu_enable() The exynos4_scu_enable() is a duplication of scu_enable(). Since commit '26a527e ARM: 7100/1: smp_scu: remove __init annotation from scu_enable()' makes scu_enable() available for non-init codes, exynos can directly call scu_enable() and save exynos4_scu_enable() now. Signed-off-by: Shawn Guo [kgene.kim@samsung.com: added missing header] Signed-off-by: Kukjin Kim --- arch/arm/mach-exynos/pm.c | 24 ++---------------------- 1 file changed, 2 insertions(+), 22 deletions(-) (limited to 'arch/arm/mach-exynos') diff --git a/arch/arm/mach-exynos/pm.c b/arch/arm/mach-exynos/pm.c index 509a435afd4b..4093fea849c3 100644 --- a/arch/arm/mach-exynos/pm.c +++ b/arch/arm/mach-exynos/pm.c @@ -23,6 +23,7 @@ #include #include +#include #include #include @@ -213,27 +214,6 @@ static int exynos4_pm_add(struct sys_device *sysdev) return 0; } -/* This function copy from linux/arch/arm/kernel/smp_scu.c */ - -void exynos4_scu_enable(void __iomem *scu_base) -{ - u32 scu_ctrl; - - scu_ctrl = __raw_readl(scu_base); - /* already enabled? */ - if (scu_ctrl & 1) - return; - - scu_ctrl |= 1; - __raw_writel(scu_ctrl, scu_base); - - /* - * Ensure that the data accessed by CPU0 before the SCU was - * initialised is visible to the other CPUs. - */ - flush_cache_all(); -} - static unsigned long pll_base_rate; static void exynos4_restore_pll(void) @@ -402,7 +382,7 @@ static void exynos4_pm_resume(void) exynos4_restore_pll(); - exynos4_scu_enable(S5P_VA_SCU); + scu_enable(S5P_VA_SCU); #ifdef CONFIG_CACHE_L2X0 s3c_pm_do_restore_core(exynos4_l2cc_save, ARRAY_SIZE(exynos4_l2cc_save)); -- cgit v1.2.1 From a60879e7ca17ea41bacd57e3cb2b56e48135f7a3 Mon Sep 17 00:00:00 2001 From: Rajeshwari Shinde Date: Mon, 24 Oct 2011 17:05:24 +0200 Subject: ARM: SAMSUNG: Remove SDHCI bus clocks from platform data The bus clocks previously sent through platform data to SDHCI controller are removed. Signed-off-by: Rajeshwari Shinde Signed-off-by: Kukjin Kim --- arch/arm/mach-exynos/Makefile | 1 - arch/arm/mach-exynos/setup-sdhci.c | 22 ---------------------- 2 files changed, 23 deletions(-) delete mode 100644 arch/arm/mach-exynos/setup-sdhci.c (limited to 'arch/arm/mach-exynos') diff --git a/arch/arm/mach-exynos/Makefile b/arch/arm/mach-exynos/Makefile index 8d85ae635ac2..57e529620804 100644 --- a/arch/arm/mach-exynos/Makefile +++ b/arch/arm/mach-exynos/Makefile @@ -58,6 +58,5 @@ obj-$(CONFIG_EXYNOS4_SETUP_I2C5) += setup-i2c5.o obj-$(CONFIG_EXYNOS4_SETUP_I2C6) += setup-i2c6.o obj-$(CONFIG_EXYNOS4_SETUP_I2C7) += setup-i2c7.o obj-$(CONFIG_EXYNOS4_SETUP_KEYPAD) += setup-keypad.o -obj-$(CONFIG_EXYNOS4_SETUP_SDHCI) += setup-sdhci.o obj-$(CONFIG_EXYNOS4_SETUP_SDHCI_GPIO) += setup-sdhci-gpio.o obj-$(CONFIG_EXYNOS4_SETUP_USB_PHY) += setup-usb-phy.o diff --git a/arch/arm/mach-exynos/setup-sdhci.c b/arch/arm/mach-exynos/setup-sdhci.c deleted file mode 100644 index 92937b410906..000000000000 --- a/arch/arm/mach-exynos/setup-sdhci.c +++ /dev/null @@ -1,22 +0,0 @@ -/* linux/arch/arm/mach-exynos4/setup-sdhci.c - * - * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. - * http://www.samsung.com - * - * EXYNOS4 - Helper functions for settign up SDHCI device(s) (HSMMC) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -#include - -/* clock sources for the mmc bus clock, order as for the ctrl2[5..4] */ - -char *exynos4_hsmmc_clksrcs[4] = { - [0] = NULL, - [1] = NULL, - [2] = "sclk_mmc", /* mmc_bus */ - [3] = NULL, -}; -- cgit v1.2.1 From a361d10a2b490812b051433b1aad5b4351372597 Mon Sep 17 00:00:00 2001 From: Rajeshwari Shinde Date: Mon, 24 Oct 2011 17:05:58 +0200 Subject: ARM: SAMSUNG: Add lookup of sdhci-s3c clocks using generic names Add support for lookup of sdhci-s3c controller clocks using generic names for s3c2416, s3c64xx, s5pc100, s5pv210 and exynos4 SoC's. Signed-off-by: Rajeshwari Shinde [kgene.kim@samsung.com: fixed trailing whitespace] Signed-off-by: Kukjin Kim --- arch/arm/mach-exynos/clock.c | 88 ++++++++++++++++++++++++++------------------ 1 file changed, 52 insertions(+), 36 deletions(-) (limited to 'arch/arm/mach-exynos') diff --git a/arch/arm/mach-exynos/clock.c b/arch/arm/mach-exynos/clock.c index 7dee8694486a..5d8d4831e244 100644 --- a/arch/arm/mach-exynos/clock.c +++ b/arch/arm/mach-exynos/clock.c @@ -1154,42 +1154,6 @@ static struct clksrc_clk clksrcs[] = { .sources = &clkset_mout_mfc, .reg_src = { .reg = S5P_CLKSRC_MFC, .shift = 8, .size = 1 }, .reg_div = { .reg = S5P_CLKDIV_MFC, .shift = 0, .size = 4 }, - }, { - .clk = { - .name = "sclk_mmc", - .devname = "s3c-sdhci.0", - .parent = &clk_dout_mmc0.clk, - .enable = exynos4_clksrc_mask_fsys_ctrl, - .ctrlbit = (1 << 0), - }, - .reg_div = { .reg = S5P_CLKDIV_FSYS1, .shift = 8, .size = 8 }, - }, { - .clk = { - .name = "sclk_mmc", - .devname = "s3c-sdhci.1", - .parent = &clk_dout_mmc1.clk, - .enable = exynos4_clksrc_mask_fsys_ctrl, - .ctrlbit = (1 << 4), - }, - .reg_div = { .reg = S5P_CLKDIV_FSYS1, .shift = 24, .size = 8 }, - }, { - .clk = { - .name = "sclk_mmc", - .devname = "s3c-sdhci.2", - .parent = &clk_dout_mmc2.clk, - .enable = exynos4_clksrc_mask_fsys_ctrl, - .ctrlbit = (1 << 8), - }, - .reg_div = { .reg = S5P_CLKDIV_FSYS2, .shift = 8, .size = 8 }, - }, { - .clk = { - .name = "sclk_mmc", - .devname = "s3c-sdhci.3", - .parent = &clk_dout_mmc3.clk, - .enable = exynos4_clksrc_mask_fsys_ctrl, - .ctrlbit = (1 << 12), - }, - .reg_div = { .reg = S5P_CLKDIV_FSYS2, .shift = 24, .size = 8 }, }, { .clk = { .name = "sclk_dwmmc", @@ -1249,6 +1213,50 @@ static struct clksrc_clk clk_sclk_uart3 = { .reg_div = { .reg = S5P_CLKDIV_PERIL0, .shift = 12, .size = 4 }, }; +static struct clksrc_clk clk_sclk_mmc0 = { + .clk = { + .name = "sclk_mmc", + .devname = "s3c-sdhci.0", + .parent = &clk_dout_mmc0.clk, + .enable = exynos4_clksrc_mask_fsys_ctrl, + .ctrlbit = (1 << 0), + }, + .reg_div = { .reg = S5P_CLKDIV_FSYS1, .shift = 8, .size = 8 }, +}; + +static struct clksrc_clk clk_sclk_mmc1 = { + .clk = { + .name = "sclk_mmc", + .devname = "s3c-sdhci.1", + .parent = &clk_dout_mmc1.clk, + .enable = exynos4_clksrc_mask_fsys_ctrl, + .ctrlbit = (1 << 4), + }, + .reg_div = { .reg = S5P_CLKDIV_FSYS1, .shift = 24, .size = 8 }, +}; + +static struct clksrc_clk clk_sclk_mmc2 = { + .clk = { + .name = "sclk_mmc", + .devname = "s3c-sdhci.2", + .parent = &clk_dout_mmc2.clk, + .enable = exynos4_clksrc_mask_fsys_ctrl, + .ctrlbit = (1 << 8), + }, + .reg_div = { .reg = S5P_CLKDIV_FSYS2, .shift = 8, .size = 8 }, +}; + +static struct clksrc_clk clk_sclk_mmc3 = { + .clk = { + .name = "sclk_mmc", + .devname = "s3c-sdhci.3", + .parent = &clk_dout_mmc3.clk, + .enable = exynos4_clksrc_mask_fsys_ctrl, + .ctrlbit = (1 << 12), + }, + .reg_div = { .reg = S5P_CLKDIV_FSYS2, .shift = 24, .size = 8 }, +}; + /* Clock initialization code */ static struct clksrc_clk *sysclks[] = { &clk_mout_apll, @@ -1293,6 +1301,10 @@ static struct clksrc_clk *clksrc_cdev[] = { &clk_sclk_uart1, &clk_sclk_uart2, &clk_sclk_uart3, + &clk_sclk_mmc0, + &clk_sclk_mmc1, + &clk_sclk_mmc2, + &clk_sclk_mmc3, }; static struct clk_lookup exynos4_clk_lookup[] = { @@ -1300,6 +1312,10 @@ static struct clk_lookup exynos4_clk_lookup[] = { CLKDEV_INIT("exynos4210-uart.1", "clk_uart_baud0", &clk_sclk_uart1.clk), CLKDEV_INIT("exynos4210-uart.2", "clk_uart_baud0", &clk_sclk_uart2.clk), CLKDEV_INIT("exynos4210-uart.3", "clk_uart_baud0", &clk_sclk_uart3.clk), + CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.2", &clk_sclk_mmc0.clk), + CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.2", &clk_sclk_mmc1.clk), + CLKDEV_INIT("s3c-sdhci.2", "mmc_busclk.2", &clk_sclk_mmc2.clk), + CLKDEV_INIT("s3c-sdhci.3", "mmc_busclk.2", &clk_sclk_mmc3.clk), CLKDEV_INIT("dma-pl330.0", "apb_pclk", &clk_pdma0), CLKDEV_INIT("dma-pl330.1", "apb_pclk", &clk_pdma1), }; -- cgit v1.2.1 From 321655efad26e03141b0bbfcfa9875056c1acb65 Mon Sep 17 00:00:00 2001 From: Jingoo Han Date: Sat, 24 Dec 2011 11:58:32 +0900 Subject: ARM: EXYNOS: Use gpio_request_one By using gpio_request_one it is possible to set the direction and initial value in one shot. Thus, using gpio_request_one can make the code simpler. Signed-off-by: Jingoo Han Signed-off-by: Kukjin Kim --- arch/arm/mach-exynos/mach-nuri.c | 9 ++------- arch/arm/mach-exynos/mach-smdkv310.c | 4 +--- arch/arm/mach-exynos/mach-universal_c210.c | 10 +++------- 3 files changed, 6 insertions(+), 17 deletions(-) (limited to 'arch/arm/mach-exynos') diff --git a/arch/arm/mach-exynos/mach-nuri.c b/arch/arm/mach-exynos/mach-nuri.c index 236bbe187163..205dfed41210 100644 --- a/arch/arm/mach-exynos/mach-nuri.c +++ b/arch/arm/mach-exynos/mach-nuri.c @@ -247,13 +247,8 @@ static void nuri_lcd_power_on(struct plat_lcd_data *pd, unsigned int power) static int nuri_bl_init(struct device *dev) { - int ret, gpio = EXYNOS4_GPE2(3); - - ret = gpio_request(gpio, "LCD_LDO_EN"); - if (!ret) - gpio_direction_output(gpio, 0); - - return ret; + return gpio_request_one(EXYNOS4_GPE2(3), GPIOF_OUT_INIT_LOW, + "LCD_LD0_EN"); } static int nuri_bl_notify(struct device *dev, int brightness) diff --git a/arch/arm/mach-exynos/mach-smdkv310.c b/arch/arm/mach-exynos/mach-smdkv310.c index cec2afabe7b4..cbf31bd0e2c9 100644 --- a/arch/arm/mach-exynos/mach-smdkv310.c +++ b/arch/arm/mach-exynos/mach-smdkv310.c @@ -129,9 +129,7 @@ static void lcd_lte480wv_set_power(struct plat_lcd_data *pd, gpio_free(EXYNOS4_GPD0(1)); #endif /* fire nRESET on power up */ - gpio_request(EXYNOS4_GPX0(6), "GPX0"); - - gpio_direction_output(EXYNOS4_GPX0(6), 1); + gpio_request_one(EXYNOS4_GPX0(6), GPIOF_OUT_INIT_HIGH, "GPX0"); mdelay(100); gpio_set_value(EXYNOS4_GPX0(6), 0); diff --git a/arch/arm/mach-exynos/mach-universal_c210.c b/arch/arm/mach-exynos/mach-universal_c210.c index a2a177ff4b44..0a04cd643b07 100644 --- a/arch/arm/mach-exynos/mach-universal_c210.c +++ b/arch/arm/mach-exynos/mach-universal_c210.c @@ -608,8 +608,7 @@ static void __init universal_tsp_init(void) /* TSP_LDO_ON: XMDMADDR_11 */ gpio = EXYNOS4_GPE2(3); - gpio_request(gpio, "TSP_LDO_ON"); - gpio_direction_output(gpio, 1); + gpio_request_one(gpio, GPIOF_OUT_INIT_HIGH, "TSP_LDO_ON"); gpio_export(gpio, 0); /* TSP_INT: XMDMADDR_7 */ @@ -669,8 +668,7 @@ static void __init universal_touchkey_init(void) i2c_gpio12_devs[0].irq = gpio_to_irq(gpio); gpio = EXYNOS4_GPE3(3); /* XMDMDATA_3 */ - gpio_request(gpio, "3_TOUCH_EN"); - gpio_direction_output(gpio, 1); + gpio_request_one(gpio, GPIOF_OUT_INIT_HIGH, "3_TOUCH_EN"); } static struct s3c2410_platform_i2c universal_i2c0_platdata __initdata = { @@ -1000,9 +998,7 @@ static void __init universal_map_io(void) void s5p_tv_setup(void) { /* direct HPD to HDMI chip */ - gpio_request(EXYNOS4_GPX3(7), "hpd-plug"); - - gpio_direction_input(EXYNOS4_GPX3(7)); + gpio_request_one(EXYNOS4_GPX3(7), GPIOF_IN, "hpd-plug"); s3c_gpio_cfgpin(EXYNOS4_GPX3(7), S3C_GPIO_SFN(0x3)); s3c_gpio_setpull(EXYNOS4_GPX3(7), S3C_GPIO_PULL_NONE); -- cgit v1.2.1