From 69a1133635fbe449b5974d0f398d606a3d0c8c62 Mon Sep 17 00:00:00 2001 From: Lin Huang Date: Thu, 19 May 2016 11:11:23 +0800 Subject: [PATCH] rockchip: gru: pass poweroff gpio parameter to BL31 To support gpio power off SOC, we need to pass the power off gpio parameter to BL31. Gru reuse tsadc overtemp pin as power off gpio, so need to iomux to gpio function when use gpio power off function, either in bl31 or depthcharge. BRANCH=None BUG=chrome-os-partner:53448 TEST=Build gru Change-Id: Ie7a1bbea4a12753f0abac7a9142f2e032686ce31 Signed-off-by: Lin Huang Signed-off-by: Douglas Anderson Reviewed-on: https://chromium-review.googlesource.com/349703 Reviewed-by: Vadim Bendebury --- src/mainboard/google/gru/board.h | 1 + src/mainboard/google/gru/mainboard.c | 22 ++++++++++++++++++++++ 2 files changed, 23 insertions(+) diff --git a/src/mainboard/google/gru/board.h b/src/mainboard/google/gru/board.h index 6d80cdfba3..382c462dfa 100644 --- a/src/mainboard/google/gru/board.h +++ b/src/mainboard/google/gru/board.h @@ -22,6 +22,7 @@ #define GPIO_BACKLIGHT GPIO(1, C, 1) #define GPIO_EC_IN_RW GPIO(3, B, 0) #define GPIO_EC_IRQ GPIO(0, A, 1) +#define GPIO_POWEROFF GPIO(1, A, 6) #define GPIO_RESET GPIO(0, B, 3) #define GPIO_WP GPIO(1, C, 2) diff --git a/src/mainboard/google/gru/mainboard.c b/src/mainboard/google/gru/mainboard.c index f23a483fde..69d9d76fd7 100644 --- a/src/mainboard/google/gru/mainboard.c +++ b/src/mainboard/google/gru/mainboard.c @@ -64,6 +64,27 @@ static void register_reset_to_bl31(void) register_bl31_param(¶m_reset.h); } +static void register_poweroff_to_bl31(void) +{ + static struct bl31_gpio_param param_poweroff = { + .h = { + .type = PARAM_POWEROFF, + }, + .gpio = { + .polarity = 1, + }, + }; + + /* + * gru/kevin power off pin: gpio1a6, + * reuse with tsadc int pin, so iomux need set back to + * gpio in BL31 and depthcharge before you setting this gpio + */ + param_poweroff.gpio.index = GET_GPIO_NUM(GPIO_POWEROFF), + + register_bl31_param(¶m_poweroff.h); +} + static void configure_sdmmc(void) { gpio_output(GPIO(4, D, 5), 1); /* SDMMC_PWR_EN */ @@ -153,6 +174,7 @@ static void mainboard_init(device_t dev) configure_display(); setup_usb(); register_reset_to_bl31(); + register_poweroff_to_bl31(); } static void enable_backlight_booster(void)