linux-kernel - [PATCH 2/3] arm64: dts: qcom: msm8916: Add blsp

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Date:   Sun, 24 Jan 2021 14:54:06 +0100
From:   Jonathan Albrieux <jonathan.albrieux@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     ~postmarketos/upstreaming@...ts.sr.ht, stephan@...hold.net,
        Jonathan Albrieux <jonathan.albrieux@...il.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org
Subject: [PATCH 2/3] arm64: dts: qcom: msm8916: Add blsp_i2c3

MSM8916 has another I2C QUP controller that can be enabled on
GPIO 10 and 11.

Add blsp_i2c3 to msm8916.dtsi and disable it by default.

Signed-off-by: Jonathan Albrieux <jonathan.albrieux@...il.com>
---
 arch/arm64/boot/dts/qcom/msm8916-pins.dtsi | 16 ++++++++++++++++
 arch/arm64/boot/dts/qcom/msm8916.dtsi      | 15 +++++++++++++++
 2 files changed, 31 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/msm8916-pins.dtsi b/arch/arm64/boot/dts/qcom/msm8916-pins.dtsi
index 4dc437f13fa5..7dedb91b9930 100644
--- a/arch/arm64/boot/dts/qcom/msm8916-pins.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8916-pins.dtsi
@@ -220,6 +220,22 @@
 		bias-disable;
 	};
 
+	i2c3_default: i2c3-default {
+		pins = "gpio10", "gpio11";
+		function = "blsp_i2c3";
+
+		drive-strength = <2>;
+		bias-disable;
+	};
+
+	i2c3_sleep: i2c3-sleep {
+		pins = "gpio10", "gpio11";
+		function = "gpio";
+
+		drive-strength = <2>;
+		bias-disable;
+	};
+
 	i2c4_default: i2c4-default {
 		pins = "gpio14", "gpio15";
 		function = "blsp_i2c4";
diff --git a/arch/arm64/boot/dts/qcom/msm8916.dtsi b/arch/arm64/boot/dts/qcom/msm8916.dtsi
index 402e891a84ab..1045d7e518f3 100644
--- a/arch/arm64/boot/dts/qcom/msm8916.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8916.dtsi
@@ -1528,6 +1528,21 @@
 			status = "disabled";
 		};
 
+		blsp_i2c3: i2c@...7000 {
+			compatible = "qcom,i2c-qup-v2.2.1";
+			reg = <0x078b7000 0x500>;
+			interrupts = <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&gcc GCC_BLSP1_AHB_CLK>,
+				 <&gcc GCC_BLSP1_QUP3_I2C_APPS_CLK>;
+			clock-names = "iface", "core";
+			pinctrl-names = "default", "sleep";
+			pinctrl-0 = <&i2c3_default>;
+			pinctrl-1 = <&i2c3_sleep>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
 		blsp_spi3: spi@...7000 {
 			compatible = "qcom,spi-qup-v2.2.1";
 			reg = <0x078b7000 0x500>;
-- 
2.17.1