diff options
author | Jonas Aaberg <jonas.aberg@stericsson.com> | 2012-02-14 07:47:00 +0100 |
---|---|---|
committer | Philippe Langlais <philippe.langlais@linaro.org> | 2012-02-14 16:02:57 +0100 |
commit | 91c82647106f6a0da8a79b64050415b7968e6f08 (patch) | |
tree | e0666fec92791949816088b42ff87be11326094c | |
parent | 9eb78639b93cca0c50f1b0d322e8779771c76d9a (diff) |
ARM: ux500: sensors: Update with gpio handling
Update the gpio-keyboard use of hal and proximity sensors to
use the ux500 pin framework.
ST-Ericsson Linux next: -
ST-Ericsson ID: -
ST-Ericsson FOSS-OUT ID: Trivial
Change-Id: I409d9734c3995d6cfdfff8c7196624a4f89b3e2d
Signed-off-by: Jonas Aaberg <jonas.aberg@stericsson.com>
-rwxr-xr-x | arch/arm/configs/u8500_defconfig | 1 | ||||
-rw-r--r-- | arch/arm/mach-ux500/Kconfig | 6 | ||||
-rw-r--r-- | arch/arm/mach-ux500/board-mop500-pins.c | 43 | ||||
-rw-r--r-- | arch/arm/mach-ux500/board-mop500.c | 60 |
4 files changed, 83 insertions, 27 deletions
diff --git a/arch/arm/configs/u8500_defconfig b/arch/arm/configs/u8500_defconfig index 5bfa635ff1a..fde66da239b 100755 --- a/arch/arm/configs/u8500_defconfig +++ b/arch/arm/configs/u8500_defconfig @@ -30,6 +30,7 @@ CONFIG_DISPLAY_GENERIC_DSI_PRIMARY_VSYNC=y CONFIG_DISPLAY_SONY_ACX424AKP_DSI_PRIMARY=y CONFIG_DISPLAY_AV8100_TERTIARY=y CONFIG_DISPLAY_AV8100_TRIPPLE_BUFFER=y +CONFIG_UX500_GPIO_KEYS=y CONFIG_UX500_SUSPEND=y CONFIG_UX500_SUSPEND_STANDBY=y CONFIG_UX500_SUSPEND_MEM=y diff --git a/arch/arm/mach-ux500/Kconfig b/arch/arm/mach-ux500/Kconfig index 92a85c202e6..626154fc2e3 100644 --- a/arch/arm/mach-ux500/Kconfig +++ b/arch/arm/mach-ux500/Kconfig @@ -80,6 +80,12 @@ config UX500_DEBUG_UART Choose the UART on which kernel low-level debug messages should be output. +config UX500_GPIO_KEYS + bool "Use gpio-keys for proximity and hal sensors" + depends on KEYBOARD_GPIO + help + Add proximity and hal sensors as a gpio keyboard. + config SENSORS1P_MOP tristate "HAL and Proximity sensors support" depends on REGULATOR && (GPIO_STMPE2401 || GPIO_TC35892) diff --git a/arch/arm/mach-ux500/board-mop500-pins.c b/arch/arm/mach-ux500/board-mop500-pins.c index 276305ebb33..2fc6c4b5c69 100644 --- a/arch/arm/mach-ux500/board-mop500-pins.c +++ b/arch/arm/mach-ux500/board-mop500-pins.c @@ -19,7 +19,7 @@ #include "pins-db8500.h" #include "pins.h" - +#include "board-mop500.h" #include "board-pins-sleep-force.h" enum custom_pin_cfg_t { @@ -162,9 +162,6 @@ static pin_cfg_t mop500_pins_hrefv60[] = { /* DiPro Sensor Interface */ GPIO139_GPIO | PIN_INPUT_PULLUP, /* DIPRO_INT */ - /* HAL SWITCH INTERFACE */ - GPIO145_GPIO | PIN_INPUT_PULLDOWN,/* HAL_SW */ - /* Audio Amplifier Interface */ GPIO149_GPIO | PIN_OUTPUT_HIGH, /* VAUDIO_HF_EN, enable MAX8968 */ @@ -178,9 +175,6 @@ static pin_cfg_t mop500_pins_hrefv60[] = { GPIO82_GPIO | PIN_INPUT_PULLUP, /* ACC_INT1 */ GPIO83_GPIO | PIN_INPUT_PULLUP, /* ACC_INT2 */ - /* Proximity Sensor */ - GPIO217_GPIO | PIN_INPUT_PULLUP, - /* SD card detect */ GPIO95_GPIO | PIN_INPUT_PULLUP, }; @@ -420,7 +414,19 @@ static UX500_PINS(mop500_pins_spi2, GPIO217_SPI2_CLK | PIN_OUTPUT_LOW, ); -static struct ux500_pin_lookup mop500_pins[] = { +static UX500_PINS(mop500_pins_sensors1p, + GPIO217_GPIO| PIN_INPUT_PULLUP | + PIN_SLPM_GPIO | PIN_SLPM_INPUT_NOPULL, + GPIO145_GPIO | PIN_INPUT_PULLDOWN | + PIN_SLPM_GPIO | PIN_SLPM_INPUT_NOPULL, +); + +static UX500_PINS(mop500_pins_sensors1p_old, + PIN_CFG_INPUT(GPIO_PROX_SENSOR, GPIO, NOPULL), + PIN_CFG_INPUT(GPIO_HAL_SENSOR, GPIO, NOPULL), +); + +static struct ux500_pin_lookup mop500_runtime_pins[] = { PIN_LOOKUP("mcde-dpi", &mop500_pins_mcde_dpi), PIN_LOOKUP("mcde-tvout", &mop500_pins_mcde_tvout), PIN_LOOKUP("av8100-hdmi", &mop500_pins_mcde_hdmi), @@ -437,6 +443,14 @@ static struct ux500_pin_lookup mop500_pins[] = { PIN_LOOKUP("spi2", &mop500_pins_spi2), }; +static struct ux500_pin_lookup mop500_runtime_pins_v60[] = { + PIN_LOOKUP("gpio-keys.0", &mop500_pins_sensors1p), +}; + +static struct ux500_pin_lookup mop500_runtime_pins_old[] = { + PIN_LOOKUP("gpio-keys.0", &mop500_pins_sensors1p_old), +}; + /* * Sleep pin configuration for u8500 platform. * If another HW is used the GPIO's must be configured @@ -647,7 +661,9 @@ static pin_cfg_t mop500_pins_common_power_save_bank4[] = { GPIO143_GPIO | PIN_SLPM_OUTPUT_LOW | PIN_SLPM_WAKEUP_ENABLE | PIN_SLPM_PDIS_DISABLED, GPIO144_GPIO | PIN_SLPM_OUTPUT_HIGH | PIN_SLPM_WAKEUP_ENABLE | PIN_SLPM_PDIS_DISABLED, + /* 145 - HAL sensor (on v60 and later) */ GPIO145_GPIO | PIN_SLPM_DIR_INPUT | PIN_SLPM_WAKEUP_ENABLE | PIN_SLPM_PDIS_DISABLED, + GPIO146_GPIO | PIN_SLPM_OUTPUT_LOW | PIN_SLPM_WAKEUP_ENABLE | PIN_SLPM_PDIS_DISABLED, GPIO147_GPIO | PIN_SLPM_DIR_INPUT | PIN_SLPM_WAKEUP_ENABLE | PIN_SLPM_PDIS_DISABLED, @@ -775,7 +791,9 @@ static pin_cfg_t mop500_pins_common_power_save_bank6_href60[] = { GPIO215_GPIO | PIN_SLPM_OUTPUT_LOW | PIN_SLPM_WAKEUP_ENABLE | PIN_SLPM_PDIS_DISABLED, GPIO216_GPIO | PIN_SLPM_DIR_INPUT | PIN_SLPM_WAKEUP_ENABLE | PIN_SLPM_PDIS_DISABLED, + /* 217 - Proximity */ GPIO217_GPIO | PIN_SLPM_WAKEUP_ENABLE | PIN_SLPM_PDIS_DISABLED, + GPIO218_GPIO | PIN_SLPM_DIR_INPUT | PIN_SLPM_WAKEUP_ENABLE | PIN_SLPM_PDIS_DISABLED, GPIO219_GPIO | PIN_SLPM_OUTPUT_LOW | PIN_SLPM_WAKEUP_ENABLE | PIN_SLPM_PDIS_DISABLED, @@ -938,7 +956,14 @@ void __init mop500_pins_init(void) nmk_config_pins(mop500_pins_common, ARRAY_SIZE(mop500_pins_common)); - ux500_pins_add(mop500_pins, ARRAY_SIZE(mop500_pins)); + ux500_pins_add(mop500_runtime_pins, ARRAY_SIZE(mop500_runtime_pins)); + + if (machine_is_hrefv60()) + ux500_pins_add(mop500_runtime_pins_v60, + ARRAY_SIZE(mop500_runtime_pins_v60)); + else + ux500_pins_add(mop500_runtime_pins_old, + ARRAY_SIZE(mop500_runtime_pins_old)); switch (pinsfor) { case PINS_FOR_U9500: diff --git a/arch/arm/mach-ux500/board-mop500.c b/arch/arm/mach-ux500/board-mop500.c index b8855d6790c..9b3cbfdb792 100644 --- a/arch/arm/mach-ux500/board-mop500.c +++ b/arch/arm/mach-ux500/board-mop500.c @@ -648,6 +648,7 @@ static void __init mop500_i2c_init(void) db8500_add_i2c3(&u8500_i2c3_data); } +#ifdef CONFIG_UX500_GPIO_KEYS static struct gpio_keys_button mop500_gpio_keys[] = { { .desc = "SFH7741 Proximity Sensor", @@ -666,6 +667,7 @@ static struct gpio_keys_button mop500_gpio_keys[] = { }; static struct regulator *sensors1p_regulator; +struct ux500_pins *sensors1p_pins; static int mop500_sensors1p_activate(struct device *dev); static void mop500_sensors1p_deactivate(struct device *dev); @@ -704,6 +706,11 @@ static struct platform_device snowball_gpio_en_3v3_regulator_device = { static int mop500_sensors1p_activate(struct device *dev) { + if (sensors1p_pins == NULL) + return -EINVAL; + + ux500_pins_enable(sensors1p_pins); + sensors1p_regulator = regulator_get(&mop500_gpio_keys_device.dev, "vcc"); if (IS_ERR(sensors1p_regulator)) { @@ -711,15 +718,42 @@ static int mop500_sensors1p_activate(struct device *dev) return PTR_ERR(sensors1p_regulator); } regulator_enable(sensors1p_regulator); + + /* + * Please be aware that the start-up time of the SFH7741 is + * 120 ms and during that time the output is undefined. + */ + return 0; } static void mop500_sensors1p_deactivate(struct device *dev) { - regulator_disable(sensors1p_regulator); - regulator_put(sensors1p_regulator); + if (!IS_ERR(sensors1p_regulator)) { + regulator_disable(sensors1p_regulator); + regulator_put(sensors1p_regulator); + } + + if (sensors1p_pins != NULL) + ux500_pins_disable(sensors1p_pins); } +static __init void mop500_sensors1p_init(void) +{ + sensors1p_pins = ux500_pins_get("gpio-keys.0"); + + if (sensors1p_pins == NULL) { + pr_err("sensors1p: Fail to get keys\n"); + return; + } + + mop500_gpio_keys[0].gpio = PIN_NUM(sensors1p_pins->cfg[0]); + mop500_gpio_keys[1].gpio = PIN_NUM(sensors1p_pins->cfg[1]); +} +#else +static inline void mop500_sensors1p_init(void) { } +#endif + #ifdef CONFIG_LEDS_PWM static struct led_pwm pwm_leds_data[] = { [0] = { @@ -951,7 +985,9 @@ static struct platform_device *mop500_platform_devs[] __initdata = { #ifdef CONFIG_STE_TRACE_MODEM &u8500_trace_modem, #endif +#ifdef CONFIG_UX500_GPIO_KEYS &mop500_gpio_keys_device, +#endif #ifdef CONFIG_LEDS_PWM &ux500_leds_device, #endif @@ -1219,20 +1255,6 @@ static void accessory_detect_config(void) static void __init mop500_init_machine(void) { - /* - * The HREFv60 board removed a GPIO expander and routed - * all these GPIO pins to the internal GPIO controller - * instead. - */ - if (!machine_is_snowball()) { - if (machine_is_hrefv60()) { - mop500_gpio_keys[0].gpio = HREFV60_PROX_SENSE_GPIO; - mop500_gpio_keys[1].gpio = HREFV60_HAL_SW_GPIO; - } else { - mop500_gpio_keys[0].gpio = GPIO_PROX_SENSOR; - mop500_gpio_keys[1].gpio = GPIO_HAL_SENSOR; - } - } accessory_detect_config(); @@ -1249,12 +1271,14 @@ static void __init mop500_init_machine(void) ARRAY_SIZE(u8500_hsi_devices)); #endif - if (machine_is_snowball()) + if (machine_is_snowball()) { platform_add_devices(snowball_platform_devs, ARRAY_SIZE(snowball_platform_devs)); - else + } else { + mop500_sensors1p_init(); platform_add_devices(mop500_platform_devs, ARRAY_SIZE(mop500_platform_devs)); + } mop500_i2c_init(); mop500_sdi_init(); |