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[v3,1/5] dt-bindings: display: Add bindings for JDI LPM102A188A

Message ID 20230807133307.27456-2-diogo.ivo@tecnico.ulisboa.pt
State Accepted
Commit a913a739ab6e6ef10c0c47cb85dd4a105b3d9df7
Headers show
Series [v3,1/5] dt-bindings: display: Add bindings for JDI LPM102A188A | expand

Commit Message

Diogo Ivo Aug. 7, 2023, 1:33 p.m. UTC 
The LPM102A188A is a 10.2" 2560x1800 IPS panel found in
the Google Pixel C.

Signed-off-by: Diogo Ivo <diogo.ivo@tecnico.ulisboa.pt>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
---
Changes in v2:
 - removed the touch screen property

Changes in v3:
 - add Reviewed-by from Krzysztof Kozlowski

 .../display/panel/jdi,lpm102a188a.yaml        | 94 +++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/panel/jdi,lpm102a188a.yaml
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Patch

diff --git a/Documentation/devicetree/bindings/display/panel/jdi,lpm102a188a.yaml b/Documentation/devicetree/bindings/display/panel/jdi,lpm102a188a.yaml
new file mode 100644
index 000000000000..2f4d27a309a7
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/jdi,lpm102a188a.yaml
@@ -0,0 +1,94 @@ 
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/jdi,lpm102a188a.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: JDI LPM102A188A 2560x1800 10.2" DSI Panel
+
+maintainers:
+  - Diogo Ivo <diogo.ivo@tecnico.ulisboa.pt>
+
+description: |
+  This panel requires a dual-channel DSI host to operate. It supports two modes:
+  - left-right: each channel drives the left or right half of the screen
+  - even-odd: each channel drives the even or odd lines of the screen
+
+  Each of the DSI channels controls a separate DSI peripheral. The peripheral
+  driven by the first link (DSI-LINK1) is considered the primary peripheral
+  and controls the device. The 'link2' property contains a phandle to the
+  peripheral driven by the second link (DSI-LINK2).
+
+allOf:
+  - $ref: panel-common.yaml#
+
+properties:
+  compatible:
+    const: jdi,lpm102a188a
+
+  reg: true
+  enable-gpios: true
+  reset-gpios: true
+  power-supply: true
+  backlight: true
+
+  ddi-supply:
+    description: The regulator that provides IOVCC (1.8V).
+
+  link2:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description: |
+      phandle to the DSI peripheral on the secondary link. Note that the
+      presence of this property marks the containing node as DSI-LINK1.
+
+required:
+  - compatible
+  - reg
+
+if:
+  required:
+    - link2
+then:
+  required:
+    - power-supply
+    - ddi-supply
+    - enable-gpios
+    - reset-gpios
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    #include <dt-bindings/gpio/tegra-gpio.h>
+
+    dsia: dsi@54300000 {
+        #address-cells = <1>;
+        #size-cells = <0>;
+        reg = <0x0 0x54300000 0x0 0x00040000>;
+
+        link2: panel@0 {
+            compatible = "jdi,lpm102a188a";
+            reg = <0>;
+        };
+    };
+
+    dsib: dsi@54400000{
+        #address-cells = <1>;
+        #size-cells = <0>;
+        reg = <0x0 0x54400000 0x0 0x00040000>;
+        nvidia,ganged-mode = <&dsia>;
+
+        link1: panel@0 {
+            compatible = "jdi,lpm102a188a";
+            reg = <0>;
+            power-supply = <&pplcd_vdd>;
+            ddi-supply = <&pp1800_lcdio>;
+            enable-gpios = <&gpio TEGRA_GPIO(V, 1) GPIO_ACTIVE_HIGH>;
+            reset-gpios = <&gpio TEGRA_GPIO(V, 2) GPIO_ACTIVE_LOW>;
+            link2 = <&link2>;
+            backlight = <&backlight>;
+        };
+    };
+
+...