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authorIgor Opaniuk <igor.opaniuk@toradex.com>2019-08-01 11:06:32 +0300
committerTom Warren <twarren@nvidia.com>2019-08-09 10:01:34 -0700
commit538ab6c0a1a51da0caf9525607499e8cd6ef12b7 (patch)
treeba3a2175fef2c16a061a7366ce07bd508ecf25ea /board/toradex
parent5b5de78b4a6ff8c2bbd71a6b51d6fdf32f420eef (diff)
downloadu-boot-538ab6c0a1a51da0caf9525607499e8cd6ef12b7.tar.gz
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 <oleksandr.suvorov@toradex.com> Signed-off-by: Igor Opaniuk <igor.opaniuk@toradex.com> Signed-off-by: Dominik Sliwa <dominik.sliwa@toradex.com> Signed-off-by: Tom Warren <twarren@nvidia.com>
Diffstat (limited to 'board/toradex')
-rw-r--r--board/toradex/apalis-tk1/apalis-tk1.c10
1 files changed, 10 insertions, 0 deletions
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 */
@@ -242,6 +243,15 @@ 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
*/
void board_preboot_os(void)