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ARM: imx: novena: Enable DM GPIO

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Enable DM GPIO support on iMX6Q Novena and fix up board code
where applicable.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Vagrant Cascadian <vagrant@debian.org>
This commit is contained in:
Marek Vasut 2019-05-17 20:32:16 +02:00 committed by Stefano Babic
parent b697ed098d
commit c4e93f6aa6
3 changed files with 6 additions and 0 deletions
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2
board/kosagi/novena/novena.c
View File

@ -83,6 +83,8 @@ int drv_keyboard_init(void)
.tstc = novena_gpio_button_tstc,
};
gpio_request(NOVENA_BUTTON_GPIO, "button");
error = input_init(&button_input, 0);
if (error) {
debug("%s: Cannot set up input\n", __func__);

3
board/kosagi/novena/video.c
View File

@ -270,6 +270,7 @@ static void enable_lvds(struct display_info_t const *dev)
return;
/* ITE IT6251 power enable. */
gpio_request(NOVENA_ITE6251_PWR_GPIO, "ite6251-power");
gpio_direction_output(NOVENA_ITE6251_PWR_GPIO, 0);
mdelay(10);
gpio_direction_output(NOVENA_ITE6251_PWR_GPIO, 1);
@ -447,6 +448,8 @@ void setup_display_lvds(void)
/* Init the LVDS-to-eDP chip and if it succeeded, enable backlight. */
ret = it6251_init();
if (!ret) {
gpio_request(NOVENA_BACKLIGHT_PWR_GPIO, "backlight-power");
gpio_request(NOVENA_BACKLIGHT_PWM_GPIO, "backlight-pwm");
/* Backlight power enable. */
gpio_direction_output(NOVENA_BACKLIGHT_PWR_GPIO, 1);
/* PWM backlight pin, always on for full brightness. */

1
configs/novena_defconfig
View File

@ -47,6 +47,7 @@ CONFIG_DEFAULT_DEVICE_TREE="imx6q-novena"
CONFIG_ENV_IS_IN_MMC=y
CONFIG_DM=y
CONFIG_DWC_AHSATA=y
CONFIG_DM_GPIO=y
CONFIG_FSL_ESDHC=y
CONFIG_PHYLIB=y
CONFIG_PHY_MICREL=y