From e33c049cb540602a2554264652e2c717ab7f5ec3 Mon Sep 17 00:00:00 2001 From: Alberto Panizzo Date: Thu, 15 Oct 2009 19:24:51 +0200 Subject: Armadillo500 Add support for onboard GPIO Buttons. There are two low active Buttons on boards. This patch connect those to the Input Subsystem over gpio-keys driver. Signed-off-by: Alberto Panizzo Signed-off-by: Sascha Hauer --- arch/arm/mach-mx3/armadillo5x0.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) (limited to 'arch/arm/mach-mx3/armadillo5x0.c') diff --git a/arch/arm/mach-mx3/armadillo5x0.c b/arch/arm/mach-mx3/armadillo5x0.c index 776c0ee1b3c..309fa7abc09 100644 --- a/arch/arm/mach-mx3/armadillo5x0.c +++ b/arch/arm/mach-mx3/armadillo5x0.c @@ -33,6 +33,8 @@ #include #include #include +#include +#include #include #include @@ -98,6 +100,36 @@ static int armadillo5x0_pins[] = { MX31_PIN_DRDY0__DRDY0, IOMUX_MODE(MX31_PIN_LCS1, IOMUX_CONFIG_GPIO), /*ADV7125_PSAVE*/ }; +/* GPIO BUTTONS */ +static struct gpio_keys_button armadillo5x0_buttons[] = { + { + .code = KEY_ENTER, /*28*/ + .gpio = IOMUX_TO_GPIO(MX31_PIN_SCLK0), + .active_low = 1, + .desc = "menu", + .wakeup = 1, + }, { + .code = KEY_BACK, /*158*/ + .gpio = IOMUX_TO_GPIO(MX31_PIN_SRST0), + .active_low = 1, + .desc = "back", + .wakeup = 1, + } +}; + +static struct gpio_keys_platform_data armadillo5x0_button_data = { + .buttons = armadillo5x0_buttons, + .nbuttons = ARRAY_SIZE(armadillo5x0_buttons), +}; + +static struct platform_device armadillo5x0_button_device = { + .name = "gpio-keys", + .id = -1, + .num_resources = 0, + .dev = { + .platform_data = &armadillo5x0_button_data, + } +}; /* * NAND Flash @@ -300,6 +332,7 @@ static struct imxuart_platform_data uart_pdata = { static struct platform_device *devices[] __initdata = { &armadillo5x0_smc911x_device, + &armadillo5x0_button_device, }; /* -- cgit v1.2.3 From 07299ca323022be10ccd56055704de3717b8fe69 Mon Sep 17 00:00:00 2001 From: Alberto Panizzo Date: Thu, 15 Oct 2009 19:29:05 +0200 Subject: Armadillo500 Correct bus length for SMSC9118 on board chip. Armadillo500 Correct bus length for SMSC9118 on board chip. The SMSC9118 network chip is connected to the data bus with a 16 bit interface, not 32 as early suggested. Signed-off-by: Alberto Panizzo Signed-off-by: Sascha Hauer --- arch/arm/mach-mx3/armadillo5x0.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'arch/arm/mach-mx3/armadillo5x0.c') diff --git a/arch/arm/mach-mx3/armadillo5x0.c b/arch/arm/mach-mx3/armadillo5x0.c index 309fa7abc09..bd4a0f90fb3 100644 --- a/arch/arm/mach-mx3/armadillo5x0.c +++ b/arch/arm/mach-mx3/armadillo5x0.c @@ -310,7 +310,7 @@ static struct resource armadillo5x0_smc911x_resources[] = { }; static struct smsc911x_platform_config smsc911x_info = { - .flags = SMSC911X_USE_32BIT, + .flags = SMSC911X_USE_16BIT, .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL, }; -- cgit v1.2.3 From e9a6c5d0c8c3f7f4d4ed5c5b1514327d58b76df3 Mon Sep 17 00:00:00 2001 From: Alberto Panizzo Date: Thu, 15 Oct 2009 19:31:07 +0200 Subject: Armadillo500 Add i2c second bus support. This add pin allocation an device registration for the second bus i2c. Signed-off-by: Alberto Panizzo Signed-off-by: Sascha Hauer --- arch/arm/mach-mx3/armadillo5x0.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'arch/arm/mach-mx3/armadillo5x0.c') diff --git a/arch/arm/mach-mx3/armadillo5x0.c b/arch/arm/mach-mx3/armadillo5x0.c index bd4a0f90fb3..fa973e40329 100644 --- a/arch/arm/mach-mx3/armadillo5x0.c +++ b/arch/arm/mach-mx3/armadillo5x0.c @@ -99,7 +99,11 @@ static int armadillo5x0_pins[] = { MX31_PIN_FPSHIFT__FPSHIFT, MX31_PIN_DRDY0__DRDY0, IOMUX_MODE(MX31_PIN_LCS1, IOMUX_CONFIG_GPIO), /*ADV7125_PSAVE*/ + /* I2C2 */ + MX31_PIN_CSPI2_MOSI__SCL, + MX31_PIN_CSPI2_MISO__SDA, }; + /* GPIO BUTTONS */ static struct gpio_keys_button armadillo5x0_buttons[] = { { @@ -332,6 +336,7 @@ static struct imxuart_platform_data uart_pdata = { static struct platform_device *devices[] __initdata = { &armadillo5x0_smc911x_device, + &mxc_i2c_device1, &armadillo5x0_button_device, }; -- cgit v1.2.3 From 2097abcb8c5a1ccd8c126f6680df28ff6b6b96d0 Mon Sep 17 00:00:00 2001 From: Alberto Panizzo Date: Thu, 15 Oct 2009 19:33:24 +0200 Subject: Armadillo500 Add support for Seiko Instruments S-35390A rtc over i2c. The RTC chip Seiko Instruments S-35390A is connected to the Application Processor over the second bus i2c with the hard coded address 0x30. Signed-off-by: Alberto Panizzo Signed-off-by: Sascha Hauer --- arch/arm/mach-mx3/armadillo5x0.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'arch/arm/mach-mx3/armadillo5x0.c') diff --git a/arch/arm/mach-mx3/armadillo5x0.c b/arch/arm/mach-mx3/armadillo5x0.c index fa973e40329..54aab401dbd 100644 --- a/arch/arm/mach-mx3/armadillo5x0.c +++ b/arch/arm/mach-mx3/armadillo5x0.c @@ -35,6 +35,7 @@ #include #include #include +#include #include #include @@ -104,6 +105,13 @@ static int armadillo5x0_pins[] = { MX31_PIN_CSPI2_MISO__SDA, }; +/* RTC over I2C*/ +#define ARMADILLO5X0_RTC_GPIO IOMUX_TO_GPIO(MX31_PIN_SRXD4) + +static struct i2c_board_info armadillo5x0_i2c_rtc = { + I2C_BOARD_INFO("s35390a", 0x30), +}; + /* GPIO BUTTONS */ static struct gpio_keys_button armadillo5x0_buttons[] = { { @@ -373,6 +381,18 @@ static void __init armadillo5x0_init(void) /* set NAND page size to 2k if not configured via boot mode pins */ __raw_writel(__raw_readl(MXC_CCM_RCSR) | (1 << 30), MXC_CCM_RCSR); + + /* RTC */ + /* Get RTC IRQ and register the chip */ + if (gpio_request(ARMADILLO5X0_RTC_GPIO, "rtc") == 0) { + if (gpio_direction_input(ARMADILLO5X0_RTC_GPIO) == 0) + armadillo5x0_i2c_rtc.irq = gpio_to_irq(ARMADILLO5X0_RTC_GPIO); + else + gpio_free(ARMADILLO5X0_RTC_GPIO); + } + if (armadillo5x0_i2c_rtc.irq == 0) + pr_warning("armadillo5x0_init: failed to get RTC IRQ\n"); + i2c_register_board_info(1, &armadillo5x0_i2c_rtc, 1); } static void __init armadillo5x0_timer_init(void) -- cgit v1.2.3