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Wed, 24 Sep 2025 13:38:28 -0700 (PDT) Received: from alchark-surface.localdomain ([5.194.95.234]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-46e33b9e8aesm2663465e9.4.2025.09.24.13.38.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 24 Sep 2025 13:38:27 -0700 (PDT) From: Alexey Charkov Date: Thu, 25 Sep 2025 00:38:13 +0400 Subject: [PATCH] arm64: dts: rockchip: Add DSI LCD display on rk3576-evb1 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20250925-rk3576-evb1-dsi-v1-1-c76fc3740abc@gmail.com> X-B4-Tracking: v=1; b=H4sIALRW1GgC/x3MSQqAMAxA0atI1gZsU8eriAuHVIOg0kIRSu9uc fkW/0fw7IQ9DEUEx0G83FeGKgtYj/naGWXLBl3puuq1QXdS3TbIYVG4eUGm3pLpiBbbQK4ex1b e/zhOKX3yEkZhYQAAAA== X-Change-ID: 20250924-rk3576-evb1-dsi-e39f34833bf6 To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Alexey Charkov X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=3993; i=alchark@gmail.com; h=from:subject:message-id; bh=/7E6ceDbDhZ4pxug1DrrfRHk0oYerFsLd6y+cKd/Fmc=; b=owGbwMvMwCW2adGNfoHIK0sZT6slMWRcCTss8+Uow9wVd7om3ggIPPxuqbaVReHufeeOKO8ui DqxLvCgXUcpC4MYF4OsmCLL3G9LbKca8c3a5eHxFWYOKxPIEAYuTgGYiNxbRoafxwXXszilzNvD v3ou95Mb/R6Ju83fpOisd/+6dteaZbd2MPwPfxPzSlRMSOXbG8XWJufMCcLu6zfOeeo/SUhQjlt YYSsDAA== X-Developer-Key: i=alchark@gmail.com; a=openpgp; fpr=9DF6A43D95320E9ABA4848F5B2A2D88F1059D4A5 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250924_133830_834261_87ACC082 X-CRM114-Status: GOOD ( 13.85 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add support for the Rockchip W552793DBA-V10 LCD+touchscreen assembly which comes physically attached to Rockchip RK3576 EVB1 boards. The display part is driven by the on-chip MIPI DSI controller, and the touchscreen is connected over I2C. Signed-off-by: Alexey Charkov --- Note that backlight support is left out for now, as it depends on PWM support [0] which has not yet been merged. A workaround is simply `gpioset -c 0 13=1` to set the respective GPIO pin high and thus to light up the display unconditionally. [0] https://lore.kernel.org/lkml/20250602-rk3576-pwm-v2-0-a6434b0ce60c@collabora.com/ --- arch/arm64/boot/dts/rockchip/rk3576-evb1-v10.dts | 89 ++++++++++++++++++++++++ 1 file changed, 89 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3576-evb1-v10.dts b/arch/arm64/boot/dts/rockchip/rk3576-evb1-v10.dts index db8fef7a4f1b9570cb517ccc9a857d1c93c9d2db..f20cd6f2c079e0a5bd79acc9ebcd56b499e0f72f 100644 --- a/arch/arm64/boot/dts/rockchip/rk3576-evb1-v10.dts +++ b/arch/arm64/boot/dts/rockchip/rk3576-evb1-v10.dts @@ -125,6 +125,8 @@ vcc3v3_lcd_n: regulator-vcc3v3-lcd0-n { regulator-boot-on; enable-active-high; gpio = <&gpio0 RK_PC6 GPIO_ACTIVE_HIGH>; + pinctrl-names = "default"; + pinctrl-0 = <&vcc3v3_lcd_s0_en>; vin-supply = <&vcc_3v3_s0>; }; @@ -264,6 +266,43 @@ &combphy1_psu { status = "okay"; }; +&dsi { + #address-cells = <1>; + #size-cells = <0>; + pinctrl-0 = <&mipim1_pins>; + pinctrl-names = "default"; + status = "okay"; + + panel@0 { + compatible = "wanchanglong,w552793baa", "raydium,rm67200"; + reg = <0>; + + iovcc-supply = <&vcc3v3_lcd_n>; + reset-gpios = <&gpio3 RK_PB5 GPIO_ACTIVE_LOW>; + vdd-supply = <&vcc3v3_lcd_n>; + vsn-supply = <&vcc5v0_device>; + vsp-supply = <&vcc5v0_device>; + + port { + mipi_panel_in: endpoint { + remote-endpoint = <&dsi_out_panel>; + }; + }; + }; +}; + +&dsi_in { + dsi_in_vp1: endpoint { + remote-endpoint = <&vp1_out_dsi>; + }; +}; + +&dsi_out { + dsi_out_panel: endpoint { + remote-endpoint = <&mipi_panel_in>; + }; +}; + &gmac0 { clock_in_out = "output"; phy-mode = "rgmii-rxid"; @@ -319,6 +358,28 @@ &hdptxphy { status = "okay"; }; +&i2c0 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c0m1_xfer>; + #address-cells = <1>; + #size-cells = <0>; + status = "okay"; + + touchscreen@14 { + compatible = "goodix,gt1158"; + reg = <0x14>; + interrupt-parent = <&gpio0>; + interrupts = ; + irq-gpios = <&gpio0 RK_PC5 GPIO_ACTIVE_HIGH>; + pinctrl-names = "default"; + pinctrl-0 = <&tp_int>, <&tp_rst>; + reset-gpios = <&gpio0 RK_PD0 GPIO_ACTIVE_HIGH>; + touchscreen-size-x = <720>; + touchscreen-size-y = <1280>; + VDDIO-supply = <&vcc3v3_lcd_n>; + }; +}; + &i2c1 { status = "okay"; @@ -738,6 +799,10 @@ rgmii_phy1: ethernet-phy@1 { }; }; +&mipidcphy { + status = "okay"; +}; + &pcie0 { pinctrl-names = "default"; pinctrl-0 = <&pcie0_rst>; @@ -788,6 +853,20 @@ host_wake_bt: host-wake-bt { }; }; + display { + vcc3v3_lcd_s0_en: vcc3v3-lcd-s0-en { + rockchip,pins = <0 RK_PC6 0 &pcfg_pull_none>; + }; + + tp_int: tp-int { + rockchip,pins = <0 RK_PC5 0 &pcfg_pull_none>; + }; + + tp_rst: tp-rst { + rockchip,pins = <0 RK_PD0 0 &pcfg_pull_none>; + }; + }; + hym8563 { rtc_int: rtc-int { rockchip,pins = <0 RK_PA0 RK_FUNC_GPIO &pcfg_pull_up>; @@ -941,3 +1020,13 @@ vp0_out_hdmi: endpoint@ROCKCHIP_VOP2_EP_HDMI0 { remote-endpoint = <&hdmi_in_vp0>; }; }; + +&vp1 { + #address-cells = <1>; + #size-cells = <0>; + + vp1_out_dsi: endpoint@ROCKCHIP_VOP2_EP_MIPI0 { + reg = ; + remote-endpoint = <&dsi_in_vp1>; + }; +}; --- base-commit: ce7f1a983b074f6cf8609068088ca3182c569ee4 change-id: 20250924-rk3576-evb1-dsi-e39f34833bf6 Best regards, -- Alexey Charkov