Add the i2c2 and rmi4 nodes to enable the Synaptics touchscreen found in
the Honami.
Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
---
.../boot/dts/qcom-msm8974-sony-xperia-honami.dts | 59 ++++++++++++++++++++++
1 file changed, 59 insertions(+)
diff --git a/arch/arm/boot/dts/qcom-msm8974-sony-xperia-honami.dts b/arch/arm/boot/dts/qcom-msm8974-sony-xperia-honami.dts
index 3fb4dada6b0d..0d414ef9d3d0 100644
--- a/arch/arm/boot/dts/qcom-msm8974-sony-xperia-honami.dts
+++ b/arch/arm/boot/dts/qcom-msm8974-sony-xperia-honami.dts
@@ -311,6 +311,45 @@
pinctrl-0 = <&blsp1_uart2_pin_a>;
};
+ i2c@f9924000 {
+ status = "ok";
+
+ clock-frequency = <355000>;
+ qcom,src-freq = <50000000>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c2_pins>;
+
+ synaptics@2c {
+ compatible = "syna,rmi4-i2c";
+ reg = <0x2c>;
+
+ interrupts-extended = <&msmgpio 61 IRQ_TYPE_EDGE_FALLING>;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ vdd-supply = <&pm8941_l22>;
+ vio-supply = <&pm8941_lvs3>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&ts_int_pin>;
+
+ syna,startup-delay-ms = <10>;
+
+ rmi4-f01@1 {
+ reg = <0x1>;
+ syna,nosleep-mode = <1>;
+ };
+
+ rmi4-f11@11 {
+ reg = <0x11>;
+ touchscreen-inverted-x;
+ syna,sensor-type = <1>;
+ };
+ };
+ };
+
pinctrl@fd510000 {
blsp1_uart2_pin_a: blsp1-uart2-pin-active {
rx {
@@ -330,6 +369,16 @@
};
};
+ i2c2_pins: i2c2 {
+ mux {
+ pins = "gpio6", "gpio7";
+ function = "blsp_i2c2";
+
+ drive-strength = <2>;
+ bias-disable;
+ };
+ };
+
sdhc1_pin_a: sdhc1-pin-active {
clk {
pins = "sdc1_clk";
@@ -366,6 +415,16 @@
};
};
+ ts_int_pin: touch-int {
+ pin {
+ pins = "gpio61";
+ function = "gpio";
+
+ drive-strength = <2>;
+ bias-disable;
+ input-enable;
+ };
+ };
};
dma-controller@f9944000 {
--
2.5.0
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