arm: mvebu: Enable gpio-fan for Thecus N2350 board

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@gmail.com>
Reviewed-by: Stefan Roese <sr@denx.de>

diff --git a/arch/arm/dts/armada-385-thecus-n2350.dts b/arch/arm/dts/armada-385-thecus-n2350.dts
index 2ad5158..253cf01 100644 (file)
--- 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 fd8f95f..05b125f 100644 (file)
--- 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