From: Igor Opaniuk <igor.opan...@toradex.com>
Make sure the Apalis GPIO 8 aka FAN_EN is on when using Apalis TK1
modules.
Reviewed-by: Oleksandr Suvorov <oleksandr.suvo...@toradex.com>
Signed-off-by: Igor Opaniuk <igor.opan...@toradex.com>
Signed-off-by: Dominik Sliwa <dominik.sl...@toradex.com>
---
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
*/
--
2.17.1
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