Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752120AbdFZOxe (ORCPT ); Mon, 26 Jun 2017 10:53:34 -0400 Received: from mail-pg0-f66.google.com ([74.125.83.66]:34662 "EHLO mail-pg0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751101AbdFZOxb (ORCPT ); Mon, 26 Jun 2017 10:53:31 -0400 From: Jacob Chen To: linux-kernel@vger.kernel.org Cc: linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, heiko@sntech.de, jacob-chen@iotwrt.com, Yakir Yang Subject: [PATCH 5/5] dt-bindings: Document the Rockchip RGA bindings Date: Mon, 26 Jun 2017 22:53:22 +0800 Message-Id: <1498488802-1439-1-git-send-email-jacob-chen@iotwrt.com> X-Mailer: git-send-email 2.7.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1809 Lines: 53 Add DT bindings documentation for Rockchip RGA Signed-off-by: Yakir Yang Signed-off-by: Jacob Chen --- .../devicetree/bindings/media/rockchip-rga.txt | 36 ++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/rockchip-rga.txt diff --git a/Documentation/devicetree/bindings/media/rockchip-rga.txt b/Documentation/devicetree/bindings/media/rockchip-rga.txt new file mode 100644 index 0000000..48a260e5 --- /dev/null +++ b/Documentation/devicetree/bindings/media/rockchip-rga.txt @@ -0,0 +1,36 @@ +device-tree bindings for rockchip 2D raster graphic acceleration controller (RGA) + +RGA is a separate 2D raster graphic acceleration unit. It accelerates 2D +graphics operations, such as point/line drawing, image scaling, rotation, +BitBLT, alpha blending and image blur/sharpness. + +Required properties: +- compatible: value should be one of the following + "rockchip,rk3228-rga"; + "rockchip,rk3288-rga"; + "rockchip,rk3399-rga"; + +- interrupts: RGA interrupt number. + +- clocks: phandle to RGA sclk/hclk/aclk clocks + +- clock-names: should be "aclk" "hclk" and "sclk" + +- resets: Must contain an entry for each entry in reset-names. + See ../reset/reset.txt for details. +- reset-names: should be "core" "axi" and "ahb" + +Example: +SoC specific DT entry: + rga: rga@ff680000 { + compatible = "rockchip,rk3399-rga"; + reg = <0xff680000 0x10000>; + interrupts = ; + interrupt-names = "rga"; + clocks = <&cru ACLK_RGA>, <&cru HCLK_RGA>, <&cru SCLK_RGA_CORE>; + clock-names = "aclk", "hclk", "sclk"; + + resets = <&cru SRST_RGA_CORE>, <&cru SRST_A_RGA>, <&cru SRST_H_RGA>; + reset-names = "core, "axi", "ahb"; + status = "disabled"; + }; -- 2.7.4