ARM: mach-mx5/mx53_ard: Add gpio_keys support
Signed-off-by: Daiane Angolini <daiane.angolini@freescale.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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@ -216,6 +216,7 @@ config MACH_MX53_ARD
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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 ARD platform. This includes specific
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configurations for the board and its peripherals.
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@ -39,6 +39,11 @@
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#define ARD_SD1_CD IMX_GPIO_NR(1, 1)
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#define ARD_SD1_WP IMX_GPIO_NR(1, 9)
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#define ARD_I2CPORTEXP_B IMX_GPIO_NR(2, 3)
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#define ARD_VOLUMEDOWN IMX_GPIO_NR(4, 0)
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#define ARD_HOME IMX_GPIO_NR(5, 10)
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#define ARD_BACK IMX_GPIO_NR(5, 11)
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#define ARD_PROG IMX_GPIO_NR(5, 12)
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#define ARD_VOLUMEUP IMX_GPIO_NR(5, 13)
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static iomux_v3_cfg_t mx53_ard_pads[] = {
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/* UART1 */
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@ -91,6 +96,35 @@ static iomux_v3_cfg_t mx53_ard_pads[] = {
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/* I2C3 */
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MX53_PAD_GPIO_3__I2C3_SCL,
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MX53_PAD_GPIO_16__I2C3_SDA,
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/* GPIO */
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MX53_PAD_DISP0_DAT16__GPIO5_10, /* home */
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MX53_PAD_DISP0_DAT17__GPIO5_11, /* back */
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MX53_PAD_DISP0_DAT18__GPIO5_12, /* prog */
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MX53_PAD_DISP0_DAT19__GPIO5_13, /* vol up */
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MX53_PAD_GPIO_10__GPIO4_0, /* vol down */
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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 struct gpio_keys_button ard_buttons[] = {
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GPIO_BUTTON(ARD_HOME, KEY_HOME, 1, "home", 0),
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GPIO_BUTTON(ARD_BACK, KEY_BACK, 1, "back", 0),
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GPIO_BUTTON(ARD_PROG, KEY_PROGRAM, 1, "program", 0),
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GPIO_BUTTON(ARD_VOLUMEUP, KEY_VOLUMEUP, 1, "volume-up", 0),
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GPIO_BUTTON(ARD_VOLUMEDOWN, KEY_VOLUMEDOWN, 1, "volume-down", 0),
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};
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static const struct gpio_keys_platform_data ard_button_data __initconst = {
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.buttons = ard_buttons,
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.nbuttons = ARRAY_SIZE(ard_buttons),
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};
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static struct resource ard_smsc911x_resources[] = {
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@ -199,6 +233,7 @@ static void __init mx53_ard_board_init(void)
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imx53_add_imx2_wdt(0, NULL);
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imx53_add_imx_i2c(1, &mx53_ard_i2c2_data);
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imx53_add_imx_i2c(2, &mx53_ard_i2c3_data);
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imx_add_gpio_keys(&ard_button_data);
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}
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static void __init mx53_ard_timer_init(void)
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