[PATCH AUTOSEL 4.19 075/191] ARM: dts: stm32: enable display on stm32mp157c-ev1 board

From: Yannick Fertré yannick.fertre@st.com

[ Upstream commit 67330599f93672bd351123c729e2591a460fd24c ]

Enable panel raydium RM68200, DSI bridge & display controller.

Signed-off-by: Yannick Fertré yannick.fertre@st.com Signed-off-by: Alexandre Torgue alexandre.torgue@st.com Signed-off-by: Sasha Levin sashal@kernel.org --- arch/arm/boot/dts/stm32mp157c-ev1.dts | 73 ++++++++++++++++++++++++--- 1 file changed, 67 insertions(+), 6 deletions(-)

diff --git a/arch/arm/boot/dts/stm32mp157c-ev1.dts b/arch/arm/boot/dts/stm32mp157c-ev1.dts index 372bc2ea6b921..063ee8ac5dcbd 100644 --- a/arch/arm/boot/dts/stm32mp157c-ev1.dts +++ b/arch/arm/boot/dts/stm32mp157c-ev1.dts @@ -6,6 +6,7 @@ /dts-v1/;

#include "stm32mp157c-ed1.dts" +#include <dt-bindings/gpio/gpio.h>

/ { model = "STMicroelectronics STM32MP157C eval daughter on eval mother"; @@ -19,6 +20,58 @@ serial0 = &uart4; ethernet0 = &ethernet0; }; + + panel_backlight: panel-backlight { + compatible = "gpio-backlight"; + gpios = <&gpiod 13 GPIO_ACTIVE_LOW>; + default-on; + status = "okay"; + }; +}; + +&cec { + pinctrl-names = "default"; + pinctrl-0 = <&cec_pins_a>; + status = "okay"; +}; + +&dsi { + #address-cells = <1>; + #size-cells = <0>; + status = "okay"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + dsi_in: endpoint { + remote-endpoint = <&ltdc_ep0_out>; + }; + }; + + port@1 { + reg = <1>; + dsi_out: endpoint { + remote-endpoint = <&dsi_panel_in>; + }; + }; + }; + + panel-dsi@0 { + compatible = "raydium,rm68200"; + reg = <0>; + reset-gpios = <&gpiof 15 GPIO_ACTIVE_LOW>; + backlight = <&panel_backlight>; + status = "okay"; + + port { + dsi_panel_in: endpoint { + remote-endpoint = <&dsi_out>; + }; + }; + }; };

&ethernet0 { @@ -40,12 +93,6 @@ }; };

-&cec { - pinctrl-names = "default"; - pinctrl-0 = <&cec_pins_a>; - status = "okay"; -}; - &i2c2 { pinctrl-names = "default"; pinctrl-0 = <&i2c2_pins_a>; @@ -62,6 +109,20 @@ status = "okay"; };

+&ltdc { + status = "okay"; + + port { + #address-cells = <1>; + #size-cells = <0>; + + ltdc_ep0_out: endpoint@0 { + reg = <0>; + remote-endpoint = <&dsi_in>; + }; + }; +}; + &m_can1 { pinctrl-names = "default"; pinctrl-0 = <&m_can1_pins_a>;