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.albri...@gmail.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@78b7000 {
+ 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@78b7000 {
compatible = "qcom,spi-qup-v2.2.1";
reg = <0x078b7000 0x500>;
--
2.17.1
