MSM8916 has another I2C QUP controller that can be enabled on
GPIO 18 and 19.
Add blsp_i2c5 to msm8916.dtsi and disable it by default.
Signed-off-by: Stephan Gerhold <stephan@xxxxxxxxxxx>
---
Most MSM8916 smartphones/tablets have a touchscreen
connected to blsp_i2c5.
---
arch/arm64/boot/dts/qcom/msm8916-pins.dtsi | 24 ++++++++++++++++++++++
arch/arm64/boot/dts/qcom/msm8916.dtsi | 15 ++++++++++++++
2 files changed, 39 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/msm8916-pins.dtsi b/arch/arm64/boot/dts/qcom/msm8916-pins.dtsi
index b45fd12856ea..31886860766a 100644
--- a/arch/arm64/boot/dts/qcom/msm8916-pins.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8916-pins.dtsi
@@ -334,6 +334,30 @@ pinconf {
};
};
+ i2c5_default: i2c5_default {
+ pinmux {
+ function = "blsp_i2c5";
+ pins = "gpio18", "gpio19";
+ };
+ pinconf {
+ pins = "gpio18", "gpio19";
+ drive-strength = <2>;
+ bias-disable;
+ };
+ };
+
+ i2c5_sleep: i2c5_sleep {
+ pinmux {
+ function = "gpio";
+ pins = "gpio18", "gpio19";
+ };
+ pinconf {
+ pins = "gpio18", "gpio19";
+ drive-strength = <2>;
+ bias-disable;
+ };
+ };
+
i2c6_default: i2c6_default {
pinmux {
function = "blsp_i2c6";
diff --git a/arch/arm64/boot/dts/qcom/msm8916.dtsi b/arch/arm64/boot/dts/qcom/msm8916.dtsi
index 6ab7cabde370..57ab5573a2d2 100644
--- a/arch/arm64/boot/dts/qcom/msm8916.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8916.dtsi
@@ -657,6 +657,21 @@ blsp_i2c4: i2c@78b8000 {
status = "disabled";
};
+ blsp_i2c5: i2c@78b9000 {
+ compatible = "qcom,i2c-qup-v2.2.1";
+ reg = <0x078b9000 0x500>;
+ interrupts = <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&gcc GCC_BLSP1_AHB_CLK>,
+ <&gcc GCC_BLSP1_QUP5_I2C_APPS_CLK>;
+ clock-names = "iface", "core";
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&i2c5_default>;
+ pinctrl-1 = <&i2c5_sleep>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
blsp_i2c6: i2c@78ba000 {
compatible = "qcom,i2c-qup-v2.2.1";
reg = <0x078ba000 0x500>;
--
2.26.2
