diff options
Diffstat (limited to 'testing/linux-amlogic/0022-dt-bindings-soc-amlogic-add-meson-canvas-documentati.patch')
| -rw-r--r-- | testing/linux-amlogic/0022-dt-bindings-soc-amlogic-add-meson-canvas-documentati.patch | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/testing/linux-amlogic/0022-dt-bindings-soc-amlogic-add-meson-canvas-documentati.patch b/testing/linux-amlogic/0022-dt-bindings-soc-amlogic-add-meson-canvas-documentati.patch new file mode 100644 index 0000000000..6d449e3f9b --- /dev/null +++ b/testing/linux-amlogic/0022-dt-bindings-soc-amlogic-add-meson-canvas-documentati.patch @@ -0,0 +1,55 @@ +From c50c3a3d2cb0d563757a8b8b1a3e52acdf68910e Mon Sep 17 00:00:00 2001 +From: Maxime Jourdan <maxi.jourdan@wanadoo.fr> +Date: Wed, 1 Aug 2018 20:51:26 +0200 +Subject: [PATCH] dt-bindings: soc: amlogic: add meson-canvas documentation + +DT bindings doc for amlogic,meson-canvas + +Signed-off-by: Maxime Jourdan <maxi.jourdan@wanadoo.fr> +--- + .../bindings/soc/amlogic/amlogic,meson-canvas.txt | 36 ++++++++++++++++++++++ + 1 file changed, 36 insertions(+) + create mode 100644 Documentation/devicetree/bindings/soc/amlogic/amlogic,meson-canvas.txt + +diff --git a/Documentation/devicetree/bindings/soc/amlogic/amlogic,meson-canvas.txt b/Documentation/devicetree/bindings/soc/amlogic/amlogic,meson-canvas.txt +new file mode 100644 +index 0000000..96e1437 +--- /dev/null ++++ b/Documentation/devicetree/bindings/soc/amlogic/amlogic,meson-canvas.txt +@@ -0,0 +1,36 @@ ++Amlogic Meson Canvas ++================================ ++ ++A canvas is a collection of metadata that describes a pixel buffer. ++Those metadata include: width, height, phyaddr, wrapping, block mode ++and endianness. ++ ++Many IPs within Amlogic SoCs rely on canvas indexes to read/write pixel data ++rather than use the phy addresses directly. For instance, this is the case for ++the video decoders and the display. ++ ++Amlogic SoCs have 256 canvas. ++ ++Device Tree Bindings: ++--------------------- ++ ++Canvas Provider ++-------------------------- ++ ++Required properties: ++- compatible: "amlogic,meson-canvas" ++ ++Parent node should have the following properties : ++- compatible: "amlogic,meson-gx-dmc-sysctrl", "syscon", "simple-mfd" ++- reg: base address and size of the DMC system control register space. ++ ++Example: ++ ++sysctrl_DMC: system-controller@0 { ++ compatible = "amlogic,meson-gx-dmc-sysctrl", "syscon", "simple-mfd"; ++ reg = <0x0 0x0 0x0 0x1000>; ++ ++ canvas: canvas-provider@0 { ++ compatible = "amlogic,meson-canvas"; ++ }; ++}; |