diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-ux500/board-mop500-sdi.c | 63 | ||||
| -rw-r--r-- | arch/arm/mach-ux500/board-mop500.c | 34 | ||||
| -rw-r--r-- | arch/arm/mach-ux500/board-mop500.h | 8 | ||||
| -rw-r--r-- | arch/arm/mach-ux500/include/mach/irqs-board-mop500.h | 14 |
4 files changed, 118 insertions, 1 deletions
diff --git a/arch/arm/mach-ux500/board-mop500-sdi.c b/arch/arm/mach-ux500/board-mop500-sdi.c index bac995665b58..f0095ffee438 100644 --- a/arch/arm/mach-ux500/board-mop500-sdi.c +++ b/arch/arm/mach-ux500/board-mop500-sdi.c @@ -20,6 +20,19 @@ #include "board-mop500.h" static pin_cfg_t mop500_sdi_pins[] = { + /* SDI0 (MicroSD slot) */ + GPIO18_MC0_CMDDIR, + GPIO19_MC0_DAT0DIR, + GPIO20_MC0_DAT2DIR, + GPIO21_MC0_DAT31DIR, + GPIO22_MC0_FBCLK, + GPIO23_MC0_CLK, + GPIO24_MC0_CMD, + GPIO25_MC0_DAT0, + GPIO26_MC0_DAT1, + GPIO27_MC0_DAT2, + GPIO28_MC0_DAT3, + /* SDI4 (on-board eMMC) */ GPIO197_MC4_DAT3, GPIO198_MC4_DAT2, @@ -50,6 +63,55 @@ static pin_cfg_t mop500_sdi2_pins[] = { }; /* + * SDI 0 (MicroSD slot) + */ + +/* MMCIPOWER bits */ +#define MCI_DATA2DIREN (1 << 2) +#define MCI_CMDDIREN (1 << 3) +#define MCI_DATA0DIREN (1 << 4) +#define MCI_DATA31DIREN (1 << 5) +#define MCI_FBCLKEN (1 << 7) + +static u32 mop500_sdi0_vdd_handler(struct device *dev, unsigned int vdd, + unsigned char power_mode) +{ + if (power_mode == MMC_POWER_UP) + gpio_set_value(GPIO_SDMMC_EN, 1); + else if (power_mode == MMC_POWER_OFF) + gpio_set_value(GPIO_SDMMC_EN, 0); + + return MCI_FBCLKEN | MCI_CMDDIREN | MCI_DATA0DIREN | + MCI_DATA2DIREN | MCI_DATA31DIREN; +} + +static struct mmci_platform_data mop500_sdi0_data = { + .vdd_handler = mop500_sdi0_vdd_handler, + .ocr_mask = MMC_VDD_29_30, + .f_max = 100000000, + .capabilities = MMC_CAP_4_BIT_DATA, + .gpio_cd = GPIO_SDMMC_CD, + .gpio_wp = -1, +}; + +void mop500_sdi_tc35892_init(void) +{ + int ret; + + ret = gpio_request(GPIO_SDMMC_EN, "SDMMC_EN"); + if (!ret) + ret = gpio_request(GPIO_SDMMC_1V8_3V_SEL, + "GPIO_SDMMC_1V8_3V_SEL"); + if (ret) + return; + + gpio_direction_output(GPIO_SDMMC_1V8_3V_SEL, 1); + gpio_direction_output(GPIO_SDMMC_EN, 0); + + amba_device_register(&u8500_sdi0_device, &iomem_resource); +} + +/* * SDI 2 (POP eMMC, not on DB8500ed) */ @@ -78,6 +140,7 @@ void mop500_sdi_init(void) { nmk_config_pins(mop500_sdi_pins, ARRAY_SIZE(mop500_sdi_pins)); + u8500_sdi0_device.dev.platform_data = &mop500_sdi0_data; u8500_sdi2_device.dev.platform_data = &mop500_sdi2_data; u8500_sdi4_device.dev.platform_data = &mop500_sdi4_data; diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c index cac83a694880..9aeefc403f35 100644 --- a/arch/arm/mach-ux500/board-mop500.c +++ b/arch/arm/mach-ux500/board-mop500.c @@ -13,11 +13,13 @@ #include <linux/interrupt.h> #include <linux/platform_device.h> #include <linux/io.h> +#include <linux/i2c.h> #include <linux/gpio.h> #include <linux/amba/bus.h> #include <linux/amba/pl022.h> #include <linux/spi/spi.h> #include <linux/mfd/ab8500.h> +#include <linux/mfd/tc35892.h> #include <linux/input/matrix_keypad.h> #include <asm/mach-types.h> @@ -69,6 +71,8 @@ static pin_cfg_t mop500_pins[] = { GPIO166_KP_O2, GPIO167_KP_O1, GPIO168_KP_O0, + + GPIO217_GPIO, /* GPIO_EXP_INT */ }; static void ab4500_spi_cs_control(u32 command) @@ -132,6 +136,33 @@ static struct pl022_ssp_controller ssp0_platform_data = { .num_chipselect = 5, }; +/* + * TC35892 + */ + +static void mop500_tc35892_init(struct tc35892 *tc35892, unsigned int base) +{ + mop500_sdi_tc35892_init(); +} + +static struct tc35892_gpio_platform_data mop500_tc35892_gpio_data = { + .gpio_base = MOP500_EGPIO(0), + .setup = mop500_tc35892_init, +}; + +static struct tc35892_platform_data mop500_tc35892_data = { + .gpio = &mop500_tc35892_gpio_data, + .irq_base = MOP500_EGPIO_IRQ_BASE, +}; + +static struct i2c_board_info mop500_i2c0_devices[] = { + { + I2C_BOARD_INFO("tc35892", 0x42), + .irq = NOMADIK_GPIO_TO_IRQ(217), + .platform_data = &mop500_tc35892_data, + }, +}; + #define U8500_I2C_CONTROLLER(id, _slsu, _tft, _rft, clk, _sm) \ static struct nmk_i2c_controller u8500_i2c##id##_data = { \ /* \ @@ -314,6 +345,9 @@ static void __init u8500_init_machine(void) ARRAY_SIZE(ab8500_spi_devices)); else /* If HW is v.1.1 or later use I2C to access AB8500 */ platform_device_register(&ab8500_device); + + i2c_register_board_info(0, mop500_i2c0_devices, + ARRAY_SIZE(mop500_i2c0_devices)); } MACHINE_START(U8500, "ST-Ericsson MOP500 platform") diff --git a/arch/arm/mach-ux500/board-mop500.h b/arch/arm/mach-ux500/board-mop500.h index 2d240322fa6f..3a338e6850a4 100644 --- a/arch/arm/mach-ux500/board-mop500.h +++ b/arch/arm/mach-ux500/board-mop500.h @@ -7,6 +7,14 @@ #ifndef __BOARD_MOP500_H #define __BOARD_MOP500_H +#define MOP500_EGPIO(x) (NOMADIK_NR_GPIO + (x)) + +/* GPIOs on the TC35892 expander */ +#define GPIO_SDMMC_CD MOP500_EGPIO(3) +#define GPIO_SDMMC_EN MOP500_EGPIO(17) +#define GPIO_SDMMC_1V8_3V_SEL MOP500_EGPIO(18) + extern void mop500_sdi_init(void); +extern void mop500_sdi_tc35892_init(void); #endif diff --git a/arch/arm/mach-ux500/include/mach/irqs-board-mop500.h b/arch/arm/mach-ux500/include/mach/irqs-board-mop500.h index cca4f705601e..7ee8aaae66a4 100644 --- a/arch/arm/mach-ux500/include/mach/irqs-board-mop500.h +++ b/arch/arm/mach-ux500/include/mach/irqs-board-mop500.h @@ -13,7 +13,19 @@ #define MOP500_AB8500_IRQ_BASE IRQ_BOARD_START #define MOP500_AB8500_IRQ_END (MOP500_AB8500_IRQ_BASE \ + AB8500_NR_IRQS) -#define MOP500_IRQ_END MOP500_AB8500_IRQ_END + +#define TC35892_NR_INTERNAL_IRQS 8 +#define TC35892_INT_GPIO(x) (TC35892_NR_INTERNAL_IRQS + (x)) +#define TC35892_NR_GPIOS 24 +#define TC35892_NR_IRQS TC35892_INT_GPIO(TC35892_NR_GPIOS) + +#define MOP500_EGPIO_NR_IRQS TC35892_NR_IRQS + +#define MOP500_EGPIO_IRQ_BASE MOP500_AB8500_IRQ_END +#define MOP500_EGPIO_IRQ_END (MOP500_EGPIO_IRQ_BASE \ + + MOP500_EGPIO_NR_IRQS) + +#define MOP500_IRQ_END MOP500_EGPIO_IRQ_END #if MOP500_IRQ_END > IRQ_BOARD_END #undef IRQ_BOARD_END |
