From: "james qian wang (Arm Technology China)" <james.qian.wang@arm.com>
To: Liviu Dudau <Liviu.Dudau@arm.com>
Cc: "Jonathan Chai (Arm Technology China)" <Jonathan.Chai@arm.com>,
Brian Starkey <Brian.Starkey@arm.com>,
"Julien Yin (Arm Technology China)" <Julien.Yin@arm.com>,
"thomas Sun (Arm Technology China)" <thomas.Sun@arm.com>,
Alexandru-Cosmin Gheorghe <Alexandru-Cosmin.Gheorghe@arm.com>,
"Lowry Li (Arm Technology China)" <Lowry.Li@arm.com>,
Ayan Halder <Ayan.Halder@arm.com>,
"Tiannan Zhu (Arm Technology China)" <Tiannan.Zhu@arm.com>,
"Jin Gao (Arm Technology China)" <Jin.Gao@arm.com>,
"Yiqi Kang (Arm Technology China)" <Yiqi.Kang@arm.com>,
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"james qian wang (Arm Technology China)"
<james.qian.wang@arm.com>
Subject: [PATCH v2 2/9] dt/bindings: drm/komeda: Add DT bindings for ARM display processor D71
Date: Wed, 19 Dec 2018 12:33:09 +0000 [thread overview]
Message-ID: <20181219123147.16090-3-james.qian.wang@arm.com> (raw)
In-Reply-To: <20181219123147.16090-1-james.qian.wang@arm.com>
Add DT bindings documentation for the ARM display processor D71 and later
IPs.
Signed-off-by: James (Qian) Wang <james.qian.wang@arm.com>
---
.../bindings/display/arm/arm,komeda.txt | 87 +++++++++++++++++++
1 file changed, 87 insertions(+)
create mode 100644 Documentation/devicetree/bindings/display/arm/arm,komeda.txt
diff --git a/Documentation/devicetree/bindings/display/arm/arm,komeda.txt b/Documentation/devicetree/bindings/display/arm/arm,komeda.txt
new file mode 100644
index 000000000000..d4b53c11b2a2
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/arm/arm,komeda.txt
@@ -0,0 +1,87 @@
+Device Tree bindings for ARM Komeda display driver
+
+Required properties:
+- compatible: Should be "arm,mali-d71"
+- reg: Physical base address and length of the registers in the system
+- interrupts: the interrupt line numbers of the device in the system
+- interrupt-names: contains the names of the IRQs in the order they were
+ provided in the "interrupts" property. Must contain: "DPU".
+- clocks: A list of phandle + clock-specifier pairs, one for each entry
+ in 'clock-names'
+- clock-names: A list of clock names. It should contain:
+ - "pclk": for the APB interface clock
+ - "mclk": for the main processor clock
+- #address-cells: Must be 1
+- #size-cells: Must be 0
+
+Required properties for sub-node: pipeline@nq
+Each device contains one or two pipeline sub-nodes (at least one), each
+pipeline node should provide properties:
+- reg: Zero-indexed identifier for the pipeline
+- clocks: A list of phandle + clock-specifier pairs, one for each entry
+ in 'clock-names'
+- clock-names: should contain:
+ - "aclk": AXI interface clock
+ - "pxclk": pixel clock
+
+- port: each pipeline connect to an encoder input port. The connection is
+ modelled using the OF graph bindings specified in
+ Documentation/devicetree/bindings/graph.txt
+
+Optional properties:
+ - memory-region: phandle to a node describing memory (see
+ Documentation/devicetree/bindings/reserved-memory/reserved-memory.txt)
+ to be used for the framebuffer; if not present, the framebuffer may
+ be located anywhere in memory.
+
+Example:
+/ {
+ ...
+
+ dp0: display@c00000 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "arm,mali-d71";
+ reg = <0xc00000 0x20000>;
+ interrupts = <0 168 4>;
+ interrupt-names = "DPU";
+ clocks = <&dpu_mclk>, <&dpu_aclk>;
+ clock-names = "mclk", "pclk";
+
+ pl0: pipeline@0 {
+ clocks = <&fpgaosc2>, <&dpu_aclk>;
+ clock-names = "pxclk", "aclk";
+ reg = <0>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ dp0_pl0_out: endpoint {
+ remote-endpoint = <&db_dvi0_in>;
+ };
+ };
+ };
+ };
+ pl1: pipeline@1 {
+ clocks = <&fpgaosc2>, <&dpu_aclk>;
+ clock-names = "pxclk", "aclk";
+ reg = <1>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ dp0_pl1_out: endpoint {
+ remote-endpoint = <&db_dvi1_in>;
+ };
+ };
+ };
+ };
+ };
+ ...
+};
--
2.17.1
next prev parent reply other threads:[~2018-12-19 12:33 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-19 12:32 [PATCH v2 0/9] Overview of Arm komeda display driver james qian wang (Arm Technology China)
2018-12-19 12:32 ` [PATCH v2 1/9] drm/komeda: komeda_dev/pipeline/component definition and initialzation james qian wang (Arm Technology China)
2018-12-19 12:33 ` james qian wang (Arm Technology China) [this message]
2018-12-19 13:55 ` [PATCH v2 2/9] dt/bindings: drm/komeda: Add DT bindings for ARM display processor D71 Rob Herring
2018-12-20 10:54 ` james qian wang (Arm Technology China)
2018-12-19 12:33 ` [PATCH v2 3/9] drm/komeda: Build komeda to be a platform module james qian wang (Arm Technology China)
2018-12-19 12:33 ` [PATCH v2 4/9] drm/komeda: Add DT parsing james qian wang (Arm Technology China)
2018-12-19 12:33 ` [PATCH v2 5/9] drm/komeda: Add komeda_format_caps for format handling james qian wang (Arm Technology China)
2018-12-19 12:34 ` [PATCH v2 6/9] drm/komeda: Add komeda_framebuffer james qian wang (Arm Technology China)
2018-12-19 12:34 ` [PATCH v2 7/9] drm/komeda: Attach komeda_dev to DRM-KMS james qian wang (Arm Technology China)
2018-12-19 12:34 ` [PATCH v2 8/9] drm/doc: Add initial komeda driver documentation james qian wang (Arm Technology China)
2018-12-19 12:35 ` [PATCH v2 9/9] MAINTAINERS: Add maintainer for arm komeda driver james qian wang (Arm Technology China)
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