ARM: S5PV210: add common HSMMC device helpers (e6f66a9f) · Commits · e / devices / android_kernel_teracube_2e

arch/arm/mach-s5pv210/Kconfig

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		@@ -25,11 +25,32 @@ config MACH_AQUILA
		help
		Machine support for the Samsung Aquila target based on S5PC110 SoC

		config S5PV210_SETUP_I2C1
		bool
		help
		Common setup code for i2c bus 1.

		config S5PV210_SETUP_I2C2
		bool
		help
		Common setup code for i2c bus 2.

		config S5PV210_SETUP_FB_24BPP
		bool
		help
		Common setup code for S5PV210 with an 24bpp RGB display helper.

		config S5PV210_SETUP_SDHCI
		bool
		select S5PV210_SETUP_SDHCI_GPIO
		help
		Internal helper functions for S5PV210 based SDHCI systems

		config S5PV210_SETUP_SDHCI_GPIO
		bool
		help
		Common setup code for SDHCI gpio.

		config MACH_SMDKV210
		bool "SMDKV210"
		select CPU_S5PV210

arch/arm/mach-s5pv210/Makefile

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		@@ -27,3 +27,5 @@ obj-y += dev-audio.o
		obj-$(CONFIG_S5PV210_SETUP_FB_24BPP) += setup-fb-24bpp.o
		obj-$(CONFIG_S5PV210_SETUP_I2C1) += setup-i2c1.o
		obj-$(CONFIG_S5PV210_SETUP_I2C2) += setup-i2c2.o
		obj-$(CONFIG_S5PV210_SETUP_SDHCI) += setup-sdhci.o
		obj-$(CONFIG_S5PV210_SETUP_SDHCI_GPIO) += setup-sdhci-gpio.o

arch/arm/mach-s5pv210/cpu.c

+6 −0

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		@@ -33,6 +33,7 @@
		#include <plat/clock.h>
		#include <plat/s5pv210.h>
		#include <plat/iic-core.h>
		#include <plat/sdhci.h>

		/* Initial IO mappings */

		@@ -77,6 +78,11 @@ void __init s5pv210_map_io(void)
		{
		iotable_init(s5pv210_iodesc, ARRAY_SIZE(s5pv210_iodesc));

		/* initialise device information early */
		s5pv210_default_sdhci0();
		s5pv210_default_sdhci1();
		s5pv210_default_sdhci2();

		/* the i2c devices are directly compatible with s3c2440 */
		s3c_i2c0_setname("s3c2440-i2c");
		s3c_i2c1_setname("s3c2440-i2c");

arch/arm/mach-s5pv210/include/mach/map.h

+5 −0

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		@@ -51,6 +51,8 @@

		#define S5PV210_PA_FB (0xF8000000)

		#define S5PV210_PA_HSMMC(x) (0xEB000000 + ((x) * 0x100000))

		#define S5PV210_PA_VIC0 (0xF2000000)
		#define S5P_PA_VIC0 S5PV210_PA_VIC0

		@@ -81,6 +83,9 @@

		/* compatibiltiy defines. */
		#define S3C_PA_UART S5PV210_PA_UART
		#define S3C_PA_HSMMC0 S5PV210_PA_HSMMC(0)
		#define S3C_PA_HSMMC1 S5PV210_PA_HSMMC(1)
		#define S3C_PA_HSMMC2 S5PV210_PA_HSMMC(2)
		#define S3C_PA_IIC S5PV210_PA_IIC0
		#define S3C_PA_IIC1 S5PV210_PA_IIC1
		#define S3C_PA_IIC2 S5PV210_PA_IIC2

arch/arm/mach-s5pv210/setup-sdhci-gpio.c

0 → 100644

+104 −0

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		/* linux/arch/arm/plat-s5pc1xx/setup-sdhci-gpio.c
		*
		* Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
		* http://www.samsung.com/
		*
		* S5PV210 - Helper functions for setting up SDHCI device(s) GPIO (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 <linux/kernel.h>
		#include <linux/types.h>
		#include <linux/interrupt.h>
		#include <linux/platform_device.h>
		#include <linux/io.h>
		#include <linux/mmc/host.h>
		#include <linux/mmc/card.h>

		#include <mach/gpio.h>
		#include <plat/gpio-cfg.h>
		#include <plat/regs-sdhci.h>

		void s5pv210_setup_sdhci0_cfg_gpio(struct platform_device *dev, int width)
		{
		unsigned int gpio;

		/* Set all the necessary GPG0/GPG1 pins to special-function 2 */
		for (gpio = S5PV210_GPG0(0); gpio < S5PV210_GPG0(2); gpio++) {
		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
		}
		switch (width) {
		case 8:
		/* GPG1[3:6] special-funtion 3 */
		for (gpio = S5PV210_GPG1(3); gpio <= S5PV210_GPG1(6); gpio++) {
		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(3));
		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
		}
		case 4:
		/* GPG0[3:6] special-funtion 2 */
		for (gpio = S5PV210_GPG0(3); gpio <= S5PV210_GPG0(6); gpio++) {
		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
		}
		default:
		break;
		}

		s3c_gpio_setpull(S5PV210_GPG0(2), S3C_GPIO_PULL_UP);
		s3c_gpio_cfgpin(S5PV210_GPG0(2), S3C_GPIO_SFN(2));
		}

		void s5pv210_setup_sdhci1_cfg_gpio(struct platform_device *dev, int width)
		{
		unsigned int gpio;

		/* Set all the necessary GPG1[0:1] pins to special-function 2 */
		for (gpio = S5PV210_GPG1(0); gpio < S5PV210_GPG1(2); gpio++) {
		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
		}

		/* Data pin GPG1[3:6] to special-function 2 */
		for (gpio = S5PV210_GPG1(3); gpio <= S5PV210_GPG1(6); gpio++) {
		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
		}

		s3c_gpio_setpull(S5PV210_GPG1(2), S3C_GPIO_PULL_UP);
		s3c_gpio_cfgpin(S5PV210_GPG1(2), S3C_GPIO_SFN(2));
		}

		void s5pv210_setup_sdhci2_cfg_gpio(struct platform_device *dev, int width)
		{
		unsigned int gpio;

		/* Set all the necessary GPG2[0:1] pins to special-function 2 */
		for (gpio = S5PV210_GPG2(0); gpio < S5PV210_GPG2(2); gpio++) {
		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
		}

		switch (width) {
		case 8:
		/* Data pin GPG3[3:6] to special-function 3 */
		for (gpio = S5PV210_GPG3(3); gpio <= S5PV210_GPG3(6); gpio++) {
		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(3));
		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
		}
		case 4:
		/* Data pin GPG2[3:6] to special-function 2 */
		for (gpio = S5PV210_GPG2(3); gpio <= S5PV210_GPG2(6); gpio++) {
		s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
		s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
		}
		default:
		break;
		}

		s3c_gpio_setpull(S5PV210_GPG2(2), S3C_GPIO_PULL_UP);
		s3c_gpio_cfgpin(S5PV210_GPG2(2), S3C_GPIO_SFN(2));
		}