diff mbox series

[v2,02/10] arm64: dts: qcom: msm8992: Add BLSP_I2C1 support

Message ID 20200729120057.35079-3-konradybcio@gmail.com (mailing list archive)
State New, archived
Headers show
Series msm8992/4 updates | expand

Commit Message

Konrad Dybcio July 29, 2020, noon UTC
This will be required to support touchscreen on Lumia
devices.

Signed-off-by: Konrad Dybcio <konradybcio@gmail.com>
---
 arch/arm64/boot/dts/qcom/msm8992.dtsi | 35 +++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/qcom/msm8992.dtsi b/arch/arm64/boot/dts/qcom/msm8992.dtsi
index 9b42ac42b171..c7dc81311f6a 100644
--- a/arch/arm64/boot/dts/qcom/msm8992.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8992.dtsi
@@ -304,6 +304,27 @@  blsp1_uart2: serial@f991e000 {
 			status = "disabled";
 		};
 
+		/*
+		 * This I2C seems to only be present on WP platforms
+		 * and is likely disabled in firmware
+		 * (hangs at least one device) on android platforms.
+		 */
+		blsp_i2c1: i2c@f9923000 {
+			compatible = "qcom,i2c-qup-v2.2.1";
+			reg = <0xf9923000 0x500>;
+			interrupts = <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&gcc GCC_BLSP1_AHB_CLK>,
+						<&gcc GCC_BLSP1_QUP1_I2C_APPS_CLK>;
+			clock-names = "iface", "core";
+			clock-frequency = <400000>;
+			pinctrl-names = "default", "sleep";
+			pinctrl-0 = <&i2c1_default>;
+			pinctrl-1 = <&i2c1_sleep>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+		};
+
 		blsp_i2c2: i2c@f9924000 {
 			compatible = "qcom,i2c-qup-v2.2.1";
 			reg = <0xf9924000 0x500>;
@@ -524,6 +545,20 @@  sdc1_rclk_off: rclk-off {
 				bias-pull-down;
 			};
 
+			i2c1_default: i2c1-default {
+				function = "blsp_i2c1";
+				pins = "gpio2", "gpio3";
+				drive-strength = <2>;
+				bias-disable;
+			};
+
+			i2c1_sleep: i2c1-sleep {
+				function = "gpio";
+				pins = "gpio2", "gpio3";
+				drive-strength = <2>;
+				bias-disable;
+			};
+
 			i2c2_default: i2c2-default {
 				function = "blsp_i2c2";
 				pins = "gpio6", "gpio7";