Add DCU node, DCU is a display controller of Freescale named 2D-ACE.
Signed-off-by: Alison Wang b18965@freescale.com Signed-off-by: Xiubo Li lixiubo@cmss.chinamobile.com Signed-off-by: Jianwei Wang jianwei.wang@freescale.com --- .../devicetree/bindings/drm/fsl-dcu/fsl,dcu.txt | 49 ++++++++++++++++++++++ MAINTAINERS | 1 + arch/arm/boot/dts/ls1021a.dtsi | 10 +++++ 3 files changed, 60 insertions(+) create mode 100644 Documentation/devicetree/bindings/drm/fsl-dcu/fsl,dcu.txt
diff --git a/Documentation/devicetree/bindings/drm/fsl-dcu/fsl,dcu.txt b/Documentation/devicetree/bindings/drm/fsl-dcu/fsl,dcu.txt new file mode 100644 index 0000000..d65631d --- /dev/null +++ b/Documentation/devicetree/bindings/drm/fsl-dcu/fsl,dcu.txt @@ -0,0 +1,49 @@ +Device Tree bindings for Freescale DCU DRM Driver + +Required properties: +- compatible: Should be one of + * "fsl,ls1021a-dcu". + * "fsl,vf610-dcu". +- reg: Address and length of the register set for dcu. +- clocks: From common clock binding: handle to dcu clock. +- clock-names: From common clock binding: Shall be "dcu". +- display: The phandle to display node. + +Required properties: +- bits-per-pixel: <16> for RGB565, + <24> for RGB888, + <32> for RGB8888. + +Required timing node for dispplay sub-node: +- display-timings: Refer to binding doc display-timing.txt for details. + +Examples: +dcu: dcu@2ce0000 { + compatible = "fsl,ls1021a-dcu"; + reg = <0x0 0x2ce0000 0x0 0x10000>; + clocks = <&platform_clk 0>; + clock-names = "dcu"; + big-endian; + display = <&display>; + + display: display@0 { + bits-per-pixel = <24>; + + display-timings { + native-mode = <&timing0>; + timing0: nl4827hc19 { + clock-frequency = <10870000>; + hactive = <480>; + vactive = <272>; + hback-porch = <2>; + hfront-porch = <2>; + vback-porch = <1>; + vfront-porch = <1>; + hsync-len = <41>; + vsync-len = <2>; + hsync-active = <1>; + vsync-active = <1>; + }; + }; + }; +}; diff --git a/MAINTAINERS b/MAINTAINERS index e191ded..fffb8c9 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3410,6 +3410,7 @@ M: Alison Wang alison.wang@freescale.com L: dri-devel@lists.freedesktop.org S: Supported F: drivers/gpu/drm/fsl-dcu/ +F: Documentation/devicetree/bindings/drm/fsl-dcu/ F: Documentation/devicetree/bindings/panel/nec,nl4827hc19_05b.txt
DRM DRIVERS FOR NVIDIA TEGRA diff --git a/arch/arm/boot/dts/ls1021a.dtsi b/arch/arm/boot/dts/ls1021a.dtsi index c70bb27..6d6e3e2 100644 --- a/arch/arm/boot/dts/ls1021a.dtsi +++ b/arch/arm/boot/dts/ls1021a.dtsi @@ -383,6 +383,16 @@ <&platform_clk 1>; };
+ dcu: dcu@2ce0000 { + compatible = "fsl,ls1021a-dcu"; + reg = <0x0 0x2ce0000 0x0 0x10000>; + interrupts = <GIC_SPI 172 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&platform_clk 0>; + clock-names = "dcu"; + big-endian; + status = "disabled"; + }; + mdio0: mdio@2d24000 { compatible = "gianfar"; device_type = "mdio";