From: Chris Morgan <macroalpha82@gmail.com>
To: devicetree@vger.kernel.org
Cc: linux-rockchip@lists.infradead.org, heiko@sntech.de,
krzysztof.kozlowski+dt@linaro.org, robh+dt@kernel.org,
Chris Morgan <macromorgan@hotmail.com>
Subject: [PATCH] arm64: dts: rockchip: add Hynitron cst340 for Anbernic 353 series
Date: Fri, 25 Nov 2022 19:14:31 -0600 [thread overview]
Message-ID: <20221126011432.22891-1-macroalpha82@gmail.com> (raw)
From: Chris Morgan <macromorgan@hotmail.com>
Add support for the Hynitron cst340 touchscreen driver to the Anbernic
RG353P and RG353V devices. Note the RG353VS device does not have a
touchscreen.
https://lore.kernel.org/linux-input/Y1y9e9sgE%2FDck9fB@google.com/
Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
---
.../dts/rockchip/rk3566-anbernic-rg353p.dts | 20 +++++++++++++++++++
.../dts/rockchip/rk3566-anbernic-rg353v.dts | 13 ++++++++++++
2 files changed, 33 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3566-anbernic-rg353p.dts b/arch/arm64/boot/dts/rockchip/rk3566-anbernic-rg353p.dts
index 63cff402f3a8..06222dead921 100644
--- a/arch/arm64/boot/dts/rockchip/rk3566-anbernic-rg353p.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3566-anbernic-rg353p.dts
@@ -95,6 +95,19 @@ &i2c2 {
pintctrl-names = "default";
pinctrl-0 = <&i2c2m1_xfer>;
status = "okay";
+
+ touch@1a {
+ compatible = "hynitron,cst340";
+ reg = <0x1a>;
+ interrupt-parent = <&gpio4>;
+ interrupts = <RK_PB1 IRQ_TYPE_EDGE_FALLING>;
+ pinctrl-0 = <&touch_rst>;
+ pinctrl-names = "default";
+ reset-gpios = <&gpio4 RK_PA6 GPIO_ACTIVE_LOW>;
+ touchscreen-size-x = <640>;
+ touchscreen-size-y = <480>;
+ status = "okay";
+ };
};
&pinctrl {
@@ -104,6 +117,13 @@ spk_amp_enable_h: spk-amp-enable-h {
<4 RK_PC2 RK_FUNC_GPIO &pcfg_pull_none>;
};
};
+
+ touch {
+ touch_rst: touch-rst {
+ rockchip,pins =
+ <4 RK_PA6 RK_FUNC_GPIO &pcfg_pull_up>;
+ };
+ };
};
&rk817 {
diff --git a/arch/arm64/boot/dts/rockchip/rk3566-anbernic-rg353v.dts b/arch/arm64/boot/dts/rockchip/rk3566-anbernic-rg353v.dts
index 885234a023e1..dc3fc67f5853 100644
--- a/arch/arm64/boot/dts/rockchip/rk3566-anbernic-rg353v.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3566-anbernic-rg353v.dts
@@ -82,6 +82,19 @@ &i2c2 {
pintctrl-names = "default";
pinctrl-0 = <&i2c2m1_xfer>;
status = "okay";
+
+ touch@1a {
+ compatible = "hynitron,cst340";
+ reg = <0x1a>;
+ interrupt-parent = <&gpio4>;
+ interrupts = <RK_PB1 IRQ_TYPE_EDGE_FALLING>;
+ pinctrl-0 = <&touch_rst>;
+ pinctrl-names = "default";
+ reset-gpios = <&gpio4 RK_PA6 GPIO_ACTIVE_LOW>;
+ touchscreen-size-x = <640>;
+ touchscreen-size-y = <480>;
+ status = "okay";
+ };
};
&pinctrl {
--
2.25.1
next reply other threads:[~2022-11-26 1:14 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-26 1:14 Chris Morgan [this message]
2022-11-26 1:14 ` [PATCH] arm64: dts: rockchip: add panel to Anbernic RG353 series Chris Morgan
2023-04-12 9:50 ` Heiko Stuebner
2022-11-26 13:23 ` [PATCH] arm64: dts: rockchip: add Hynitron cst340 for Anbernic 353 series Krzysztof Kozlowski
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