From: Brian Masney <masneyb@onstation.org>
To: agross@kernel.org
Cc: bjorn.andersson@linaro.org, david.brown@linaro.org,
robh+dt@kernel.org, mark.rutland@arm.com, linux@armlinux.org.uk,
linus.walleij@linaro.org, frank.rowand@sony.com,
miquel.raynal@bootlin.com, absahu@codeaurora.org,
linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
Jonathan Marek <jonathan@marek.ca>
Subject: [PATCH 1/2] ARM: dts: qcom: msm8974-hammerhead: add touchscreen support
Date: Sun, 2 Jun 2019 21:04:54 -0400 [thread overview]
Message-ID: <20190603010455.17060-1-masneyb@onstation.org> (raw)
From: Jonathan Marek <jonathan@marek.ca>
Add support for the Synaptics RMI4 touchscreen that is found on the
Nexus 5.
Signed-off-by: Jonathan Marek <jonathan@marek.ca>
Signed-off-by: Brian Masney <masneyb@onstation.org>
---
This is to be applied on top of the display patch series:
https://lore.kernel.org/lkml/20190531094619.31704-1-masneyb@onstation.org/
.../qcom-msm8974-lge-nexus5-hammerhead.dts | 64 +++++++++++++++++++
1 file changed, 64 insertions(+)
diff --git a/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts b/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts
index c92ea01e3918..06c33bd71620 100644
--- a/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts
+++ b/arch/arm/boot/dts/qcom-msm8974-lge-nexus5-hammerhead.dts
@@ -280,6 +280,16 @@
};
};
+ i2c2_pins: i2c2 {
+ mux {
+ pins = "gpio6", "gpio7";
+ function = "blsp_i2c2";
+
+ drive-strength = <2>;
+ bias-disable;
+ };
+ };
+
i2c3_pins: i2c3 {
mux {
pins = "gpio10", "gpio11";
@@ -326,6 +336,25 @@
bias-disable;
};
};
+
+ touch_pin: touch {
+ int {
+ pins = "gpio5";
+ function = "gpio";
+
+ drive-strength = <2>;
+ bias-disable;
+ input-enable;
+ };
+
+ reset {
+ pins = "gpio8";
+ function = "gpio";
+
+ drive-strength = <2>;
+ bias-pull-up;
+ };
+ };
};
sdhci@f9824900 {
@@ -468,6 +497,41 @@
};
};
+ i2c@f9924000 {
+ status = "ok";
+
+ clock-frequency = <355000>;
+ qcom,src-freq = <50000000>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c2_pins>;
+
+ synaptics@70 {
+ compatible = "syna,rmi4-i2c";
+ reg = <0x70>;
+
+ interrupts-extended = <&msmgpio 5 IRQ_TYPE_EDGE_FALLING>;
+ vdd-supply = <&pm8941_l22>;
+ vio-supply = <&pm8941_lvs3>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&touch_pin>;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ rmi4-f01@1 {
+ reg = <0x1>;
+ syna,nosleep-mode = <1>;
+ };
+
+ rmi4-f12@12 {
+ reg = <0x12>;
+ syna,sensor-type = <1>;
+ };
+ };
+ };
+
i2c@f9925000 {
status = "ok";
pinctrl-names = "default";
--
2.20.1
next reply other threads:[~2019-06-03 1:05 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-03 1:04 Brian Masney [this message]
2019-06-03 1:04 ` [PATCH 2/2] ARM: qcom_defconfig: add support for USB networking Brian Masney
2019-06-07 21:10 ` [PATCH 1/2] ARM: dts: qcom: msm8974-hammerhead: add touchscreen support Linus Walleij
2019-06-16 18:40 ` Bjorn Andersson
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