ARM: mx53_loco: Add GPIO Keypad support
Signed-off-by: Frank Li <Frank.Li@freescale.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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@ -165,6 +165,7 @@ config MACH_MX53_LOCO
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select IMX_HAVE_PLATFORM_IMX_I2C
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select IMX_HAVE_PLATFORM_IMX_UART
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select IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX
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select IMX_HAVE_PLATFORM_GPIO_KEYS
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help
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Include support for MX53 LOCO platform. This includes specific
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configurations for the board and its peripherals.
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@ -36,6 +36,9 @@
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#include "crm_regs.h"
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#include "devices-imx53.h"
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#define MX53_LOCO_POWER IMX_GPIO_NR(1, 8)
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#define MX53_LOCO_UI1 IMX_GPIO_NR(2, 14)
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#define MX53_LOCO_UI2 IMX_GPIO_NR(2, 15)
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#define LOCO_FEC_PHY_RST IMX_GPIO_NR(7, 6)
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static iomux_v3_cfg_t mx53_loco_pads[] = {
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@ -180,6 +183,27 @@ static iomux_v3_cfg_t mx53_loco_pads[] = {
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MX53_PAD_GPIO_8__GPIO1_8,
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};
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#define GPIO_BUTTON(gpio_num, ev_code, act_low, descr, wake) \
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{ \
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.gpio = gpio_num, \
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.type = EV_KEY, \
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.code = ev_code, \
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.active_low = act_low, \
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.desc = "btn " descr, \
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.wakeup = wake, \
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}
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static const struct gpio_keys_button loco_buttons[] __initconst = {
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GPIO_BUTTON(MX53_LOCO_POWER, KEY_POWER, 1, "power", 0),
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GPIO_BUTTON(MX53_LOCO_UI1, KEY_VOLUMEUP, 1, "volume-up", 0),
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GPIO_BUTTON(MX53_LOCO_UI2, KEY_VOLUMEDOWN, 1, "volume-down", 0),
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};
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static const struct gpio_keys_platform_data loco_button_data __initconst = {
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.buttons = loco_buttons,
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.nbuttons = ARRAY_SIZE(loco_buttons),
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};
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static inline void mx53_loco_fec_reset(void)
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{
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int ret;
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@ -215,6 +239,7 @@ static void __init mx53_loco_board_init(void)
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imx53_add_imx_i2c(1, &mx53_loco_i2c_data);
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imx53_add_sdhci_esdhc_imx(0, NULL);
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imx53_add_sdhci_esdhc_imx(2, NULL);
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imx_add_gpio_keys(&loco_button_data);
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}
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static void __init mx53_loco_timer_init(void)
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