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[76.244.6.13]) by smtp.gmail.com with ESMTPSA id i2-20020a056871028200b00136c20b1c59sm6521865oae.43.2022.11.28.15.15.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 28 Nov 2022 15:15:33 -0800 (PST) From: Chris Morgan 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 Subject: [PATCH V2] arm64: dts: rockchip: add Hynitron cst340 for Anbernic 353 series Date: Mon, 28 Nov 2022 17:15:28 -0600 Message-Id: <20221128231528.23360-1-macroalpha82@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Chris Morgan 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/ Changes since V1: - Removed 'status = "okay";', as it was never disabled. Signed-off-by: Chris Morgan --- .../dts/rockchip/rk3566-anbernic-rg353p.dts | 19 +++++++++++++++++++ .../dts/rockchip/rk3566-anbernic-rg353v.dts | 12 ++++++++++++ 2 files changed, 31 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..8aa93c646bec 100644 --- a/arch/arm64/boot/dts/rockchip/rk3566-anbernic-rg353p.dts +++ b/arch/arm64/boot/dts/rockchip/rk3566-anbernic-rg353p.dts @@ -95,6 +95,18 @@ &i2c2 { pintctrl-names = "default"; pinctrl-0 = <&i2c2m1_xfer>; status = "okay"; + + touch@1a { + compatible = "hynitron,cst340"; + reg = <0x1a>; + interrupt-parent = <&gpio4>; + interrupts = ; + pinctrl-0 = <&touch_rst>; + pinctrl-names = "default"; + reset-gpios = <&gpio4 RK_PA6 GPIO_ACTIVE_LOW>; + touchscreen-size-x = <640>; + touchscreen-size-y = <480>; + }; }; &pinctrl { @@ -104,6 +116,13 @@ 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..f49ce29ba597 100644 --- a/arch/arm64/boot/dts/rockchip/rk3566-anbernic-rg353v.dts +++ b/arch/arm64/boot/dts/rockchip/rk3566-anbernic-rg353v.dts @@ -82,6 +82,18 @@ &i2c2 { pintctrl-names = "default"; pinctrl-0 = <&i2c2m1_xfer>; status = "okay"; + + touch@1a { + compatible = "hynitron,cst340"; + reg = <0x1a>; + interrupt-parent = <&gpio4>; + interrupts = ; + pinctrl-0 = <&touch_rst>; + pinctrl-names = "default"; + reset-gpios = <&gpio4 RK_PA6 GPIO_ACTIVE_LOW>; + touchscreen-size-x = <640>; + touchscreen-size-y = <480>; + }; }; &pinctrl { -- 2.25.1