MSM8916 has another I2C QUP controller that can be enabled on
GPIO 2 and 3.
Add blsp_i2c1 to msm8916.dtsi and disable it by default.
Signed-off-by: Stephan Gerhold <stephan@xxxxxxxxxxx>
---
On samsung-a2015 there is an external TFA9895 speaker amplifier
connected to blsp_i2c1. There isn't a proper mainline driver
for it (yet?), but it's nice to have the I2C bus in mainline at least.
---
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 242aaea68804..b45fd12856ea 100644
--- a/arch/arm64/boot/dts/qcom/msm8916-pins.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8916-pins.dtsi
@@ -262,6 +262,30 @@ pinconf {
};
};
+ i2c1_default: i2c1_default {
+ pinmux {
+ function = "blsp_i2c1";
+ pins = "gpio2", "gpio3";
+ };
+ pinconf {
+ pins = "gpio2", "gpio3";
+ drive-strength = <2>;
+ bias-disable;
+ };
+ };
+
+ i2c1_sleep: i2c1_sleep {
+ pinmux {
+ function = "gpio";
+ pins = "gpio2", "gpio3";
+ };
+ pinconf {
+ pins = "gpio2", "gpio3";
+ drive-strength = <2>;
+ bias-disable;
+ };
+ };
+
i2c2_default: i2c2_default {
pinmux {
function = "blsp_i2c2";
diff --git a/arch/arm64/boot/dts/qcom/msm8916.dtsi b/arch/arm64/boot/dts/qcom/msm8916.dtsi
index 8b429954ea29..6ab7cabde370 100644
--- a/arch/arm64/boot/dts/qcom/msm8916.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8916.dtsi
@@ -612,6 +612,21 @@ blsp_spi6: spi@78ba000 {
status = "disabled";
};
+ blsp_i2c1: i2c@78b5000 {
+ compatible = "qcom,i2c-qup-v2.2.1";
+ reg = <0x078b5000 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";
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&i2c1_default>;
+ pinctrl-1 = <&i2c1_sleep>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
blsp_i2c2: i2c@78b6000 {
compatible = "qcom,i2c-qup-v2.2.1";
reg = <0x078b6000 0x500>;
--
2.26.2
