| Message ID | 20211112053856.18412-1-jagan@amarulasolutions.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v2,1/3] ARM: dts: stm32: Enable LVDS panel on i.Core STM32MP1 EDIMM2.2 | expand |
Hi Jagan On 11/12/21 6:38 AM, Jagan Teki wrote: > Engicam i.Core STM32MP1 EDIMM2.2 Starter Kit has plugged with > 7" LVDS panel. > > Engicam i.Core STM32MP1 SoM has SN65DSI84 DSI to LVDS bridge. > > This patch adds a display pipeline to connect DSI to SN65DSI84 > to 7" LVDS panel. > > Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> > --- > Changes for v2: > - none > > .../stm32mp157a-icore-stm32mp1-edimm2.2.dts | 85 +++++++++++++++++++ > 1 file changed, 85 insertions(+) > > diff --git a/arch/arm/boot/dts/stm32mp157a-icore-stm32mp1-edimm2.2.dts b/arch/arm/boot/dts/stm32mp157a-icore-stm32mp1-edimm2.2.dts > index ec9f1d1cd50f..d80b4415e761 100644 > --- a/arch/arm/boot/dts/stm32mp157a-icore-stm32mp1-edimm2.2.dts > +++ b/arch/arm/boot/dts/stm32mp157a-icore-stm32mp1-edimm2.2.dts > @@ -24,6 +24,91 @@ aliases { > chosen { > stdout-path = "serial0:115200n8"; > }; > + > + backlight: backlight { > + compatible = "gpio-backlight"; > + gpios = <&gpiod 13 GPIO_ACTIVE_HIGH>; > + default-on; > + }; > + > + panel { > + compatible = "yes-optoelectronics,ytc700tlag-05-201c"; > + backlight = <&backlight>; > + power-supply = <&v3v3>; > + > + port { > + panel_out_bridge: endpoint { > + remote-endpoint = <&bridge_out_panel>; > + }; > + }; > + }; > +}; > + > +&dsi { > + status = "okay"; > + phy-dsi-supply = <®18>; > + > + ports { > + port@0 { > + reg = <0>; > + dsi_in_ltdc: endpoint { > + remote-endpoint = <<dc_out_dsi>; > + }; > + }; > + > + port@1 { > + reg = <1>; > + dsi_out_bridge: endpoint { > + remote-endpoint = <&bridge_in_dsi>; > + }; > + }; > + }; > +}; > + > +&i2c6 { > + i2c-scl-falling-time-ns = <20>; > + i2c-scl-rising-time-ns = <185>; > + pinctrl-names = "default", "sleep"; > + pinctrl-0 = <&i2c6_pins_a>; > + pinctrl-1 = <&i2c6_sleep_pins_a>; > + status = "okay"; > + > + bridge@2c { > + compatible = "ti,sn65dsi84"; Running dtb_check I observe following issue: bridge@2c: ports:port@0:endpoint:data-lanes:0:0: 1 was expected From schema: /Documentation/devicetree/bindings/display/bridge/ti,sn65dsi83.yaml Note, the same issue is observed in patch[3] of the series. regards Alex > + reg = <0x2c>; > + enable-gpios = <&gpiof 15 GPIO_ACTIVE_HIGH>; > + > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + port@0 { > + reg = <0>; > + bridge_in_dsi: endpoint { > + remote-endpoint = <&dsi_out_bridge>; > + data-lanes = <0 1>; > + }; > + }; > + > + port@2 { > + reg = <2>; > + bridge_out_panel: endpoint { > + remote-endpoint = <&panel_out_bridge>; > + }; > + }; > + }; > + }; > +}; > + > +<dc { > + status = "okay"; > + > + port { > + ltdc_out_dsi: endpoint@0 { > + reg = <0>; > + remote-endpoint = <&dsi_in_ltdc>; > + }; > + }; > }; > > &sdmmc1 { >
diff --git a/arch/arm/boot/dts/stm32mp157a-icore-stm32mp1-edimm2.2.dts b/arch/arm/boot/dts/stm32mp157a-icore-stm32mp1-edimm2.2.dts index ec9f1d1cd50f..d80b4415e761 100644 --- a/arch/arm/boot/dts/stm32mp157a-icore-stm32mp1-edimm2.2.dts +++ b/arch/arm/boot/dts/stm32mp157a-icore-stm32mp1-edimm2.2.dts @@ -24,6 +24,91 @@ aliases { chosen { stdout-path = "serial0:115200n8"; }; + + backlight: backlight { + compatible = "gpio-backlight"; + gpios = <&gpiod 13 GPIO_ACTIVE_HIGH>; + default-on; + }; + + panel { + compatible = "yes-optoelectronics,ytc700tlag-05-201c"; + backlight = <&backlight>; + power-supply = <&v3v3>; + + port { + panel_out_bridge: endpoint { + remote-endpoint = <&bridge_out_panel>; + }; + }; + }; +}; + +&dsi { + status = "okay"; + phy-dsi-supply = <®18>; + + ports { + port@0 { + reg = <0>; + dsi_in_ltdc: endpoint { + remote-endpoint = <<dc_out_dsi>; + }; + }; + + port@1 { + reg = <1>; + dsi_out_bridge: endpoint { + remote-endpoint = <&bridge_in_dsi>; + }; + }; + }; +}; + +&i2c6 { + i2c-scl-falling-time-ns = <20>; + i2c-scl-rising-time-ns = <185>; + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&i2c6_pins_a>; + pinctrl-1 = <&i2c6_sleep_pins_a>; + status = "okay"; + + bridge@2c { + compatible = "ti,sn65dsi84"; + reg = <0x2c>; + enable-gpios = <&gpiof 15 GPIO_ACTIVE_HIGH>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + bridge_in_dsi: endpoint { + remote-endpoint = <&dsi_out_bridge>; + data-lanes = <0 1>; + }; + }; + + port@2 { + reg = <2>; + bridge_out_panel: endpoint { + remote-endpoint = <&panel_out_bridge>; + }; + }; + }; + }; +}; + +<dc { + status = "okay"; + + port { + ltdc_out_dsi: endpoint@0 { + reg = <0>; + remote-endpoint = <&dsi_in_ltdc>; + }; + }; }; &sdmmc1 {
Engicam i.Core STM32MP1 EDIMM2.2 Starter Kit has plugged with 7" LVDS panel. Engicam i.Core STM32MP1 SoM has SN65DSI84 DSI to LVDS bridge. This patch adds a display pipeline to connect DSI to SN65DSI84 to 7" LVDS panel. Signed-off-by: Jagan Teki <jagan@amarulasolutions.com> --- Changes for v2: - none .../stm32mp157a-icore-stm32mp1-edimm2.2.dts | 85 +++++++++++++++++++ 1 file changed, 85 insertions(+)