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Message-ID: <20221021171820.15984-2-r-ravikumar@ti.com>
Date: Fri, 21 Oct 2022 22:48:16 +0530
From: Rahul T R <r-ravikumar@...com>
To: <dri-devel@...ts.freedesktop.org>, <robh+dt@...nel.org>,
<krzysztof.kozlowski+dt@...aro.org>,
<tomi.valkeinen@...asonboard.com>
CC: <andrzej.hajda@...el.com>, <narmstrong@...libre.com>,
<robert.foss@...aro.org>, <jonas@...boo.se>,
<jernej.skrabec@...il.com>, <airlied@...ux.ie>, <daniel@...ll.ch>,
<p.zabel@...gutronix.de>, <laurent.pinchart@...asonboard.com>,
<linux-kernel@...r.kernel.org>, <jpawar@...ence.com>,
<sjakhade@...ence.com>, <mparab@...ence.com>, <a-bhatia1@...com>,
<devicetree@...r.kernel.org>, <vigneshr@...com>,
<lee.jones@...aro.org>, Rahul T R <r-ravikumar@...com>,
Rob Herring <robh@...nel.org>
Subject: [PATCH v8 1/5] dt-bindings: display: bridge: Convert cdns,dsi.txt to yaml
Convert cdns,dsi.txt binding to yaml format
Signed-off-by: Rahul T R <r-ravikumar@...com>
Reviewed-by: Rob Herring <robh@...nel.org>
---
.../bindings/display/bridge/cdns,dsi.txt | 112 -------------
.../bindings/display/bridge/cdns,dsi.yaml | 157 ++++++++++++++++++
2 files changed, 157 insertions(+), 112 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/display/bridge/cdns,dsi.txt
create mode 100644 Documentation/devicetree/bindings/display/bridge/cdns,dsi.yaml
diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,dsi.txt b/Documentation/devicetree/bindings/display/bridge/cdns,dsi.txt
deleted file mode 100644
index 525a4bfd8634..000000000000
--- a/Documentation/devicetree/bindings/display/bridge/cdns,dsi.txt
+++ /dev/null
@@ -1,112 +0,0 @@
-Cadence DSI bridge
-==================
-
-The Cadence DSI bridge is a DPI to DSI bridge supporting up to 4 DSI lanes.
-
-Required properties:
-- compatible: should be set to "cdns,dsi".
-- reg: physical base address and length of the controller's registers.
-- interrupts: interrupt line connected to the DSI bridge.
-- clocks: DSI bridge clocks.
-- clock-names: must contain "dsi_p_clk" and "dsi_sys_clk".
-- phys: phandle link to the MIPI D-PHY controller.
-- phy-names: must contain "dphy".
-- #address-cells: must be set to 1.
-- #size-cells: must be set to 0.
-
-Optional properties:
-- resets: DSI reset lines.
-- reset-names: can contain "dsi_p_rst".
-
-Required subnodes:
-- ports: Ports as described in Documentation/devicetree/bindings/graph.txt.
- 2 ports are available:
- * port 0: this port is only needed if some of your DSI devices are
- controlled through an external bus like I2C or SPI. Can have at
- most 4 endpoints. The endpoint number is directly encoding the
- DSI virtual channel used by this device.
- * port 1: represents the DPI input.
- Other ports will be added later to support the new kind of inputs.
-
-- one subnode per DSI device connected on the DSI bus. Each DSI device should
- contain a reg property encoding its virtual channel.
-
-Example:
- dsi0: dsi@...c0000 {
- compatible = "cdns,dsi";
- reg = <0x0 0xfd0c0000 0x0 0x1000>;
- clocks = <&pclk>, <&sysclk>;
- clock-names = "dsi_p_clk", "dsi_sys_clk";
- interrupts = <1>;
- phys = <&dphy0>;
- phy-names = "dphy";
- #address-cells = <1>;
- #size-cells = <0>;
-
- ports {
- #address-cells = <1>;
- #size-cells = <0>;
-
- port@1 {
- reg = <1>;
- dsi0_dpi_input: endpoint {
- remote-endpoint = <&xxx_dpi_output>;
- };
- };
- };
-
- panel: dsi-dev@0 {
- compatible = "<vendor,panel>";
- reg = <0>;
- };
- };
-
-or
-
- dsi0: dsi@...c0000 {
- compatible = "cdns,dsi";
- reg = <0x0 0xfd0c0000 0x0 0x1000>;
- clocks = <&pclk>, <&sysclk>;
- clock-names = "dsi_p_clk", "dsi_sys_clk";
- interrupts = <1>;
- phys = <&dphy1>;
- phy-names = "dphy";
- #address-cells = <1>;
- #size-cells = <0>;
-
- ports {
- #address-cells = <1>;
- #size-cells = <0>;
-
- port@0 {
- reg = <0>;
- #address-cells = <1>;
- #size-cells = <0>;
-
- dsi0_output: endpoint@0 {
- reg = <0>;
- remote-endpoint = <&dsi_panel_input>;
- };
- };
-
- port@1 {
- reg = <1>;
- dsi0_dpi_input: endpoint {
- remote-endpoint = <&xxx_dpi_output>;
- };
- };
- };
- };
-
- i2c@xxx {
- panel: panel@59 {
- compatible = "<vendor,panel>";
- reg = <0x59>;
-
- port {
- dsi_panel_input: endpoint {
- remote-endpoint = <&dsi0_output>;
- };
- };
- };
- };
diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,dsi.yaml b/Documentation/devicetree/bindings/display/bridge/cdns,dsi.yaml
new file mode 100644
index 000000000000..3161c33093c1
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/bridge/cdns,dsi.yaml
@@ -0,0 +1,157 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/bridge/cdns,dsi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Cadence DSI bridge
+
+maintainers:
+ - Boris Brezillon <boris.brezillon@...tlin.com>
+
+description: |
+ CDNS DSI is a bridge device which converts DPI to DSI
+
+properties:
+ compatible:
+ enum:
+ - cdns,dsi
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ items:
+ - description: PSM clock, used by the IP
+ - description: sys clock, used by the IP
+
+ clock-names:
+ items:
+ - const: dsi_p_clk
+ - const: dsi_sys_clk
+
+ phys:
+ maxItems: 1
+
+ phy-names:
+ const: dphy
+
+ interrupts:
+ maxItems: 1
+
+ resets:
+ maxItems: 1
+
+ reset-names:
+ const: dsi_p_rst
+
+ ports:
+ $ref: /schemas/graph.yaml#/properties/ports
+
+ properties:
+ port@0:
+ $ref: /schemas/graph.yaml#/properties/port
+ description:
+ Output port representing the DSI output. It can have
+ at most 4 endpoints. The endpoint number is directly encoding
+ the DSI virtual channel used by this device.
+
+ port@1:
+ $ref: /schemas/graph.yaml#/properties/port
+ description:
+ Input port representing the DPI input.
+
+ required:
+ - port@1
+
+allOf:
+ - $ref: ../dsi-controller.yaml#
+
+required:
+ - compatible
+ - reg
+ - interrupts
+ - clocks
+ - clock-names
+ - phys
+ - phy-names
+ - ports
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ bus {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ dsi@...c0000 {
+ compatible = "cdns,dsi";
+ reg = <0x0 0xfd0c0000 0x0 0x1000>;
+ clocks = <&pclk>, <&sysclk>;
+ clock-names = "dsi_p_clk", "dsi_sys_clk";
+ interrupts = <1>;
+ phys = <&dphy0>;
+ phy-names = "dphy";
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@1 {
+ reg = <1>;
+ endpoint {
+ remote-endpoint = <&xxx_dpi_output>;
+ };
+ };
+ };
+
+ panel@0 {
+ compatible = "panasonic,vvx10f034n00";
+ reg = <0>;
+ power-supply = <&vcc_lcd_reg>;
+ };
+ };
+ };
+
+ - |
+ bus {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ dsi@...c0000 {
+ compatible = "cdns,dsi";
+ reg = <0x0 0xfd0c0000 0x0 0x1000>;
+ clocks = <&pclk>, <&sysclk>;
+ clock-names = "dsi_p_clk", "dsi_sys_clk";
+ interrupts = <1>;
+ phys = <&dphy1>;
+ phy-names = "dphy";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ endpoint@0 {
+ reg = <0>;
+ remote-endpoint = <&dsi_panel_input>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+ endpoint {
+ remote-endpoint = <&xxx_dpi_output>;
+ };
+ };
+ };
+ };
+ };
--
2.38.0
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