[PATCH 2/3] arm64: dts: rockchip: enable internal pull-up on PCIE_WAKE# for RK3399 Puma
Quentin Schulz
foss+kernel at 0leil.net
Fri Mar 8 04:52:09 PST 2024
From: Quentin Schulz <quentin.schulz at theobroma-systems.com>
The PCIE_WAKE# has a diode used as a level-shifter, and is used as an
input pin. The SoC default for this pin is a pull-up, which is correct
but the pinconf in the introducing commit missed that, so let's fix this
oversight.
Fixes: 60fd9f72ce8a ("arm64: dts: rockchip: add Haikou baseboard with RK3399-Q7 SoM")
Signed-off-by: Quentin Schulz <quentin.schulz at theobroma-systems.com>
---
arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi
index a51ebb8f8b80f..2484ad2bd86fc 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399-puma.dtsi
@@ -416,6 +416,11 @@ &io_domains {
gpio1830-supply = <&vcc_1v8>;
};
+&pcie_clkreqn_cpm {
+ rockchip,pins =
+ <2 RK_PD2 RK_FUNC_GPIO &pcfg_pull_up>;
+};
+
&pinctrl {
pinctrl-names = "default";
pinctrl-0 = <&q7_thermal_pin>;
--
2.44.0
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