diff options
author | Arnd Bergmann <arnd@arndb.de> | 2011-12-28 04:18:56 +0400 |
---|---|---|
committer | Arnd Bergmann <arnd@arndb.de> | 2011-12-28 04:18:56 +0400 |
commit | a46117836e23f97cf4660b0ebf8404ad151fb63d (patch) | |
tree | 2739f48d6ba3a7a8820f54929778ab69db314dba /arch/arm/mach-exynos | |
parent | bd4b9ba4cf9338932a065cd752fb5f28b26e4e39 (diff) | |
parent | 155bc27fdfbdf65a07a4f8ef3eafa25e57d8b511 (diff) | |
download | linux-a46117836e23f97cf4660b0ebf8404ad151fb63d.tar.xz |
Merge branch 'samsung/driver' into next/drivers
* samsung/driver:
ARM: EXYNOS: Modified files for SPI consolidation work
ARM: S5P64X0: Enable SDHCI support
ARM: S5P64X0: Add lookup of sdhci-s3c clocks using generic names
ARM: S5P64X0: Add HSMMC setup for host Controller
Diffstat (limited to 'arch/arm/mach-exynos')
-rw-r--r-- | arch/arm/mach-exynos/Kconfig | 5 | ||||
-rw-r--r-- | arch/arm/mach-exynos/Makefile | 1 | ||||
-rw-r--r-- | arch/arm/mach-exynos/clock.c | 73 | ||||
-rw-r--r-- | arch/arm/mach-exynos/include/mach/irqs.h | 3 | ||||
-rw-r--r-- | arch/arm/mach-exynos/include/mach/map.h | 7 | ||||
-rw-r--r-- | arch/arm/mach-exynos/include/mach/spi-clocks.h | 16 | ||||
-rw-r--r-- | arch/arm/mach-exynos/setup-spi.c | 72 |
7 files changed, 147 insertions, 30 deletions
diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig index 0da2ced1ae48..4e36e8f4e157 100644 --- a/arch/arm/mach-exynos/Kconfig +++ b/arch/arm/mach-exynos/Kconfig @@ -153,6 +153,11 @@ config EXYNOS4_SETUP_USB_PHY help Common setup code for USB PHY controller +config EXYNOS4_SETUP_SPI + bool + help + Common setup code for SPI GPIO configurations. + # machine support if ARCH_EXYNOS4 diff --git a/arch/arm/mach-exynos/Makefile b/arch/arm/mach-exynos/Makefile index a0959ad04077..db527ab4759c 100644 --- a/arch/arm/mach-exynos/Makefile +++ b/arch/arm/mach-exynos/Makefile @@ -61,3 +61,4 @@ obj-$(CONFIG_EXYNOS4_SETUP_I2C7) += setup-i2c7.o obj-$(CONFIG_EXYNOS4_SETUP_KEYPAD) += setup-keypad.o obj-$(CONFIG_EXYNOS4_SETUP_SDHCI_GPIO) += setup-sdhci-gpio.o obj-$(CONFIG_EXYNOS4_SETUP_USB_PHY) += setup-usb-phy.o +obj-$(CONFIG_EXYNOS4_SETUP_SPI) += setup-spi.o diff --git a/arch/arm/mach-exynos/clock.c b/arch/arm/mach-exynos/clock.c index 5d8d4831e244..da50b1af7568 100644 --- a/arch/arm/mach-exynos/clock.c +++ b/arch/arm/mach-exynos/clock.c @@ -1111,36 +1111,6 @@ static struct clksrc_clk clksrcs[] = { .reg_div = { .reg = S5P_CLKDIV_LCD0, .shift = 0, .size = 4 }, }, { .clk = { - .name = "sclk_spi", - .devname = "s3c64xx-spi.0", - .enable = exynos4_clksrc_mask_peril1_ctrl, - .ctrlbit = (1 << 16), - }, - .sources = &clkset_group, - .reg_src = { .reg = S5P_CLKSRC_PERIL1, .shift = 16, .size = 4 }, - .reg_div = { .reg = S5P_CLKDIV_PERIL1, .shift = 0, .size = 4 }, - }, { - .clk = { - .name = "sclk_spi", - .devname = "s3c64xx-spi.1", - .enable = exynos4_clksrc_mask_peril1_ctrl, - .ctrlbit = (1 << 20), - }, - .sources = &clkset_group, - .reg_src = { .reg = S5P_CLKSRC_PERIL1, .shift = 20, .size = 4 }, - .reg_div = { .reg = S5P_CLKDIV_PERIL1, .shift = 16, .size = 4 }, - }, { - .clk = { - .name = "sclk_spi", - .devname = "s3c64xx-spi.2", - .enable = exynos4_clksrc_mask_peril1_ctrl, - .ctrlbit = (1 << 24), - }, - .sources = &clkset_group, - .reg_src = { .reg = S5P_CLKSRC_PERIL1, .shift = 24, .size = 4 }, - .reg_div = { .reg = S5P_CLKDIV_PERIL2, .shift = 0, .size = 4 }, - }, { - .clk = { .name = "sclk_fimg2d", }, .sources = &clkset_mout_g2d, @@ -1257,6 +1227,42 @@ static struct clksrc_clk clk_sclk_mmc3 = { .reg_div = { .reg = S5P_CLKDIV_FSYS2, .shift = 24, .size = 8 }, }; +static struct clksrc_clk clk_sclk_spi0 = { + .clk = { + .name = "sclk_spi", + .devname = "s3c64xx-spi.0", + .enable = exynos4_clksrc_mask_peril1_ctrl, + .ctrlbit = (1 << 16), + }, + .sources = &clkset_group, + .reg_src = { .reg = S5P_CLKSRC_PERIL1, .shift = 16, .size = 4 }, + .reg_div = { .reg = S5P_CLKDIV_PERIL1, .shift = 0, .size = 4 }, +}; + +static struct clksrc_clk clk_sclk_spi1 = { + .clk = { + .name = "sclk_spi", + .devname = "s3c64xx-spi.1", + .enable = exynos4_clksrc_mask_peril1_ctrl, + .ctrlbit = (1 << 20), + }, + .sources = &clkset_group, + .reg_src = { .reg = S5P_CLKSRC_PERIL1, .shift = 20, .size = 4 }, + .reg_div = { .reg = S5P_CLKDIV_PERIL1, .shift = 16, .size = 4 }, +}; + +static struct clksrc_clk clk_sclk_spi2 = { + .clk = { + .name = "sclk_spi", + .devname = "s3c64xx-spi.2", + .enable = exynos4_clksrc_mask_peril1_ctrl, + .ctrlbit = (1 << 24), + }, + .sources = &clkset_group, + .reg_src = { .reg = S5P_CLKSRC_PERIL1, .shift = 24, .size = 4 }, + .reg_div = { .reg = S5P_CLKDIV_PERIL2, .shift = 0, .size = 4 }, +}; + /* Clock initialization code */ static struct clksrc_clk *sysclks[] = { &clk_mout_apll, @@ -1305,6 +1311,10 @@ static struct clksrc_clk *clksrc_cdev[] = { &clk_sclk_mmc1, &clk_sclk_mmc2, &clk_sclk_mmc3, + &clk_sclk_spi0, + &clk_sclk_spi1, + &clk_sclk_spi2, + }; static struct clk_lookup exynos4_clk_lookup[] = { @@ -1318,6 +1328,9 @@ static struct clk_lookup exynos4_clk_lookup[] = { 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), + CLKDEV_INIT("s3c64xx-spi.0", "spi_busclk0", &clk_sclk_spi0.clk), + CLKDEV_INIT("s3c64xx-spi.1", "spi_busclk0", &clk_sclk_spi1.clk), + CLKDEV_INIT("s3c64xx-spi.2", "spi_busclk0", &clk_sclk_spi2.clk), }; static int xtal_rate; diff --git a/arch/arm/mach-exynos/include/mach/irqs.h b/arch/arm/mach-exynos/include/mach/irqs.h index 713dd5251c64..f77bce04789a 100644 --- a/arch/arm/mach-exynos/include/mach/irqs.h +++ b/arch/arm/mach-exynos/include/mach/irqs.h @@ -72,6 +72,9 @@ #define IRQ_IIC5 IRQ_SPI(63) #define IRQ_IIC6 IRQ_SPI(64) #define IRQ_IIC7 IRQ_SPI(65) +#define IRQ_SPI0 IRQ_SPI(66) +#define IRQ_SPI1 IRQ_SPI(67) +#define IRQ_SPI2 IRQ_SPI(68) #define IRQ_USB_HOST IRQ_SPI(70) #define IRQ_USB_HSOTG IRQ_SPI(71) diff --git a/arch/arm/mach-exynos/include/mach/map.h b/arch/arm/mach-exynos/include/mach/map.h index 01e1cf3f9341..05ff18706776 100644 --- a/arch/arm/mach-exynos/include/mach/map.h +++ b/arch/arm/mach-exynos/include/mach/map.h @@ -87,6 +87,10 @@ #define EXYNOS4_PA_SYSMMU_TV 0x12E20000 #define EXYNOS4_PA_SYSMMU_MFC_L 0x13620000 #define EXYNOS4_PA_SYSMMU_MFC_R 0x13630000 +#define EXYNOS4_PA_SPI0 0x13920000 +#define EXYNOS4_PA_SPI1 0x13930000 +#define EXYNOS4_PA_SPI2 0x13940000 + #define EXYNOS4_PA_GPIO1 0x11400000 #define EXYNOS4_PA_GPIO2 0x11000000 @@ -149,6 +153,9 @@ #define S3C_PA_RTC EXYNOS4_PA_RTC #define S3C_PA_WDT EXYNOS4_PA_WATCHDOG #define S3C_PA_UART EXYNOS4_PA_UART +#define S3C_PA_SPI0 EXYNOS4_PA_SPI0 +#define S3C_PA_SPI1 EXYNOS4_PA_SPI1 +#define S3C_PA_SPI2 EXYNOS4_PA_SPI2 #define S5P_PA_CHIPID EXYNOS4_PA_CHIPID #define S5P_PA_EHCI EXYNOS4_PA_EHCI diff --git a/arch/arm/mach-exynos/include/mach/spi-clocks.h b/arch/arm/mach-exynos/include/mach/spi-clocks.h new file mode 100644 index 000000000000..576efdf6d091 --- /dev/null +++ b/arch/arm/mach-exynos/include/mach/spi-clocks.h @@ -0,0 +1,16 @@ +/* linux/arch/arm/mach-exynos4/include/mach/spi-clocks.h + * + * Copyright (C) 2011 Samsung Electronics Co. Ltd. + * + * 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. + */ + +#ifndef __ASM_ARCH_SPI_CLKS_H +#define __ASM_ARCH_SPI_CLKS_H __FILE__ + +/* Must source from SCLK_SPI */ +#define EXYNOS4_SPI_SRCCLK_SCLK 0 + +#endif /* __ASM_ARCH_SPI_CLKS_H */ diff --git a/arch/arm/mach-exynos/setup-spi.c b/arch/arm/mach-exynos/setup-spi.c new file mode 100644 index 000000000000..833ff40ee0e8 --- /dev/null +++ b/arch/arm/mach-exynos/setup-spi.c @@ -0,0 +1,72 @@ +/* linux/arch/arm/mach-exynos4/setup-spi.c + * + * Copyright (C) 2011 Samsung Electronics Ltd. + * http://www.samsung.com/ + * + * 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 <linux/gpio.h> +#include <linux/platform_device.h> + +#include <plat/gpio-cfg.h> +#include <plat/s3c64xx-spi.h> + +#ifdef CONFIG_S3C64XX_DEV_SPI0 +struct s3c64xx_spi_info s3c64xx_spi0_pdata __initdata = { + .fifo_lvl_mask = 0x1ff, + .rx_lvl_offset = 15, + .high_speed = 1, + .clk_from_cmu = true, + .tx_st_done = 25, +}; + +int s3c64xx_spi0_cfg_gpio(struct platform_device *dev) +{ + s3c_gpio_cfgpin(EXYNOS4_GPB(0), S3C_GPIO_SFN(2)); + s3c_gpio_setpull(EXYNOS4_GPB(0), S3C_GPIO_PULL_UP); + s3c_gpio_cfgall_range(EXYNOS4_GPB(2), 2, + S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP); + return 0; +} +#endif + +#ifdef CONFIG_S3C64XX_DEV_SPI1 +struct s3c64xx_spi_info s3c64xx_spi1_pdata __initdata = { + .fifo_lvl_mask = 0x7f, + .rx_lvl_offset = 15, + .high_speed = 1, + .clk_from_cmu = true, + .tx_st_done = 25, +}; + +int s3c64xx_spi1_cfg_gpio(struct platform_device *dev) +{ + s3c_gpio_cfgpin(EXYNOS4_GPB(4), S3C_GPIO_SFN(2)); + s3c_gpio_setpull(EXYNOS4_GPB(4), S3C_GPIO_PULL_UP); + s3c_gpio_cfgall_range(EXYNOS4_GPB(6), 2, + S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP); + return 0; +} +#endif + +#ifdef CONFIG_S3C64XX_DEV_SPI2 +struct s3c64xx_spi_info s3c64xx_spi2_pdata __initdata = { + .fifo_lvl_mask = 0x7f, + .rx_lvl_offset = 15, + .high_speed = 1, + .clk_from_cmu = true, + .tx_st_done = 25, +}; + +int s3c64xx_spi2_cfg_gpio(struct platform_device *dev) +{ + s3c_gpio_cfgpin(EXYNOS4_GPC1(1), S3C_GPIO_SFN(5)); + s3c_gpio_setpull(EXYNOS4_GPC1(1), S3C_GPIO_PULL_UP); + s3c_gpio_cfgall_range(EXYNOS4_GPC1(3), 2, + S3C_GPIO_SFN(5), S3C_GPIO_PULL_UP); + return 0; +} +#endif |