[PATCH] arm: mvebu: Enable gpio-fan for Thecus N2350 board

[Tony Dinh]

Add gpio-fan in the DTS and enable the GPIO in board file to start the fan
during boot.

Note that this patch depends on
https://patchwork.ozlabs.org/project/uboot/patch/20230606214539.4229-1-mibodhi@gmail.com/

Signed-off-by: Tony Dinh <mibodhi at gmail.com>
---

 arch/arm/dts/armada-385-thecus-n2350.dts | 15 +++++++++++++++
 board/thecus/n2350/n2350.c               |  2 +-
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/arch/arm/dts/armada-385-thecus-n2350.dts b/arch/arm/dts/armada-385-thecus-n2350.dts
index 2ad5158c0c..253cf01130 100644
--- a/arch/arm/dts/armada-385-thecus-n2350.dts
+++ b/arch/arm/dts/armada-385-thecus-n2350.dts
@@ -140,6 +140,16 @@
 		};
 	};
 
+	fan {
+		compatible = "gpio-fan";
+		gpios = <&gpio1 16 GPIO_ACTIVE_HIGH>;
+		gpio-fan,speed-map = <	  0  0
+					600  1
+					3000 2 >;
+		pinctrl-0 = <&pmx_fan>;
+		pinctrl-names = "default";
+	};
+
 	usb3_0_power: v5-vbus0 {
 		compatible = "regulator-fixed";
 		regulator-name = "USB3_0_Power";
@@ -378,6 +388,11 @@
 		marvell,pins = "mpp17";
 		marvell,function = "gpio";
 	};
+
+	pmx_fan: pmx-fan {
+		marvell,pins = "mpp48";
+		marvell,function = "gpio";
+	};
 };
 
 &sdhci {
diff --git a/board/thecus/n2350/n2350.c b/board/thecus/n2350/n2350.c
index fd8f95f944..05b125fd7f 100644
--- a/board/thecus/n2350/n2350.c
+++ b/board/thecus/n2350/n2350.c
@@ -25,7 +25,7 @@ DECLARE_GLOBAL_DATA_PTR;
 #define N2350_GPP_OUT_ENA_LOW	(~(BIT(20) | BIT(21) | BIT(24)))
 #define N2350_GPP_OUT_ENA_MID	(~(BIT(12) | BIT(13) | BIT(16) | BIT(19) | BIT(22)))
 #define N2350_GPP_OUT_VAL_LOW	(BIT(21) | BIT(24))
-#define N2350_GPP_OUT_VAL_MID	(BIT(0) | BIT(12) | BIT(13))
+#define N2350_GPP_OUT_VAL_MID	(BIT(0) | BIT(12) | BIT(13) | BIT(16))
 #define N2350_GPP_POL_LOW	0x0
 #define N2350_GPP_POL_MID	0x0
 
-- 
2.39.2