From 538ab6c0a1a51da0caf9525607499e8cd6ef12b7 Mon Sep 17 00:00:00 2001 From: Igor Opaniuk Date: Thu, 1 Aug 2019 11:06:32 +0300 Subject: [PATCH] apalis-tk1: set apalis gpio 8 aka fan_en Make sure the Apalis GPIO 8 aka FAN_EN is on when using Apalis TK1 modules. Reviewed-by: Oleksandr Suvorov Signed-off-by: Igor Opaniuk Signed-off-by: Dominik Sliwa Signed-off-by: Tom Warren --- board/toradex/apalis-tk1/apalis-tk1.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/board/toradex/apalis-tk1/apalis-tk1.c b/board/toradex/apalis-tk1/apalis-tk1.c index b87e9e7a3e..d57c5042dd 100644 --- a/board/toradex/apalis-tk1/apalis-tk1.c +++ b/board/toradex/apalis-tk1/apalis-tk1.c @@ -19,6 +19,7 @@ #define LAN_DEV_OFF_N TEGRA_GPIO(O, 6) #define LAN_RESET_N TEGRA_GPIO(S, 2) +#define FAN_EN TEGRA_GPIO(DD, 2) #define LAN_WAKE_N TEGRA_GPIO(O, 5) #ifdef CONFIG_APALIS_TK1_PCIE_EVALBOARD_INIT #define PEX_PERST_N TEGRA_GPIO(DD, 1) /* Apalis GPIO7 */ @@ -241,6 +242,15 @@ void tegra_pcie_board_port_reset(struct tegra_pcie_port *port) } #endif /* CONFIG_PCI_TEGRA */ +/* + * Enable/start PWM CPU fan + */ +void start_cpu_fan(void) +{ + gpio_request(FAN_EN, "FAN_EN"); + gpio_direction_output(FAN_EN, 1); +} + /* * Backlight off before OS handover */ -- 2.25.1