linux-kernel - [PATCH] arm64: dts: qcom: sm8250: Add TLMM pinctrl node

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Message-Id: <20200430181716.3797842-1-bjorn.andersson@linaro.org>
Date:   Thu, 30 Apr 2020 11:17:16 -0700
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] arm64: dts: qcom: sm8250: Add TLMM pinctrl node

Add the TLMM pinctrl node for SM8250 and reserve pins 28-31 and 40-43 on
the MTP as firmware does not allow Linux to touch these pins.

Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
---
 arch/arm64/boot/dts/qcom/sm8250-mtp.dts |  4 ++++
 arch/arm64/boot/dts/qcom/sm8250.dtsi    | 15 +++++++++++++++
 2 files changed, 19 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm8250-mtp.dts b/arch/arm64/boot/dts/qcom/sm8250-mtp.dts
index 2adb01ea276c..0c6b936be471 100644
--- a/arch/arm64/boot/dts/qcom/sm8250-mtp.dts
+++ b/arch/arm64/boot/dts/qcom/sm8250-mtp.dts
@@ -348,6 +348,10 @@ &qupv3_id_1 {
 	status = "okay";
 };
 
+&tlmm {
+	gpio-reserved-ranges = <28 4>, <40 4>;
+};
+
 &uart2 {
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/qcom/sm8250.dtsi b/arch/arm64/boot/dts/qcom/sm8250.dtsi
index 7050adba7995..9867b0da9d8e 100644
--- a/arch/arm64/boot/dts/qcom/sm8250.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8250.dtsi
@@ -491,6 +491,21 @@ tcsr_mutex_regs: syscon@...0000 {
 			reg = <0x0 0x01f40000 0x0 0x40000>;
 		};
 
+		tlmm: pinctrl@...0000 {
+			compatible = "qcom,sm8250-pinctrl";
+			reg = <0 0x0f100000 0 0x300000>,
+			      <0 0x0f500000 0 0x300000>,
+			      <0 0x0f900000 0 0x300000>;
+			reg-names = "west", "south", "north";
+			interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
+			gpio-ranges = <&tlmm 0 0 180>;
+			wakeup-parent = <&pdc>;
+		};
+
 		timer@...20000 {
 			#address-cells = <2>;
 			#size-cells = <2>;
-- 
2.24.0