Re: [PATCH 1/5] media: dt-bindings: Add JPEG ENC device tree node document
From: Rob Herring <robh@kernel.org>
Date: 2019-08-12 22:59:57
Also in:
linux-arm-kernel, linux-media, linux-mediatek, lkml
On Wed, Jul 17, 2019 at 05:30:30PM +0800, Xia Jiang wrote:
add JPEG ENC device tree node document Change-Id: I9f0a8aec7eced20c88acbc88d6ff179763f91246
Run checkpatch.pl. (Remove this)
quoted hunk ↗ jump to hunk
Signed-off-by: Xia Jiang <redacted> --- .../bindings/media/mediatek-jpeg-encoder.txt | 33 +++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/mediatek-jpeg-encoder.txtdiff --git a/Documentation/devicetree/bindings/media/mediatek-jpeg-encoder.txt b/Documentation/devicetree/bindings/media/mediatek-jpeg-encoder.txt new file mode 100644 index 000000000000..1231fedb70bc --- /dev/null +++ b/Documentation/devicetree/bindings/media/mediatek-jpeg-encoder.txt@@ -0,0 +1,33 @@ +* MediaTek JPEG Encoder + +MediaTek JPEG Encoder is the JPEG encode hardware present in MediaTek SoCs + +Required properties: +- compatible : must be "mediatek,mtk-jpgenc"
Needs an SoC specific compatible.
+- reg : physical base address of the JPEG encoder registers and length of
+ memory mapped region.
+- interrupts : interrupt number to the interrupt controller.
+- clocks: device clocks, see
+ Documentation/devicetree/bindings/clock/clock-bindings.txt for details.
+- clock-names: must contain "jpgenc". It is the clock of JPEG encoder.
+- power-domains: a phandle to the power domain, see
+ Documentation/devicetree/bindings/power/power_domain.txt for details.
+- mediatek,larb: must contain the local arbiters in the current SoCs, see
+ Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt
+ for details.
+- iommus: should point to the respective IOMMU block with master port as
+ argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.txt
+ for details.
+
+Example:
+ jpegenc: jpegenc@1500a000 {
+ compatible = "mediatek,mtk-jpgenc";
+ reg = <0 0x1500a000 0 0x1000>;
+ interrupts = <GIC_SPI 141 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&imgsys CLK_IMG_VENC>;
+ clock-names = "jpgenc";
+ power-domains = <&scpsys MT2701_POWER_DOMAIN_ISP>;
+ mediatek,larb = <&larb2>;
+ iommus = <&iommu MT2701_M4U_PORT_JPGENC_RDMA>,
+ <&iommu MT2701_M4U_PORT_JPGENC_BSDMA>;
+ };
--
2.18.0