linux-kernel - [PATCH v3 1/2] dt-bindings: panel: Add Samsung S6E3FA2 panel

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Message-Id: <20210201165307.51443-1-iskren.chernev@gmail.com>
Date:   Mon,  1 Feb 2021 18:53:05 +0200
From:   Iskren Chernev <iskren.chernev@...il.com>
To:     Rob Herring <robh+dt@...nel.org>, Sam Ravnborg <sam@...nborg.org>,
        Thierry Reding <thierry.reding@...il.com>
Cc:     Daniel Vetter <daniel@...ll.ch>, David Airlie <airlied@...ux.ie>,
        devicetree@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, phone-devel@...r.kernel.org,
        ~postmarketos/upstreaming@...ts.sr.ht,
        Iskren Chernev <iskren.chernev@...il.com>
Subject: [PATCH v3 1/2] dt-bindings: panel: Add Samsung S6E3FA2 panel

The Samsung S6E3FA2 AMOLED cmd LCD panel is used on the Samsung Galaxy
S5 (klte).

Signed-off-by: Iskren Chernev <iskren.chernev@...il.com>
---
Add a simple generated panel driver that supports on/off and the corresponding
binding documentation.

Changes in v3:
- fix dt_binding_check issue with missing include
- fix panel type (cmd) in kconfig description

Changes in v2:
- move bindings to separate file, add 2 regulators
- add standalone panel driver

v1: https://lkml.org/lkml/2020/12/30/293
v2: https://lkml.org/lkml/2021/2/1/313

 .../display/panel/samsung,s6e3fa2.yaml        | 64 +++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/panel/samsung,s6e3fa2.yaml

diff --git a/Documentation/devicetree/bindings/display/panel/samsung,s6e3fa2.yaml b/Documentation/devicetree/bindings/display/panel/samsung,s6e3fa2.yaml
new file mode 100644
index 000000000000..c751ad589480
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/samsung,s6e3fa2.yaml
@@ -0,0 +1,64 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/samsung,s6e3fa2.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Samsung s6e3fa2 AMOLED CMD LCD panel
+
+maintainers:
+  - Iskren Chernev <iskren.chernev@...il.com>
+
+allOf:
+  - $ref: panel-common.yaml#
+
+properties:
+  compatible:
+    const: samsung,s6e3fa2
+
+  reg: true
+  reset-gpios: true
+  port: true
+
+  iovdd-supply:
+    description: IOVDD regulator
+
+  vddr-supply:
+    description: VDDR regulator
+
+required:
+  - compatible
+  - reset-gpios
+  - iovdd-supply
+  - vddr-supply
+  - port
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    /* from Samsung Galaxy S5 klte */
+    #include <dt-bindings/gpio/gpio.h>
+
+    dsi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        panel@0 {
+            compatible = "samsung,s6e3fa2";
+            reg = <0>;
+
+            reset-gpios = <&pma8084_gpios 17 GPIO_ACTIVE_LOW>;
+
+            iovdd-supply = <&pma8084_lvs4>;
+            vddr-supply = <&vreg_panel>;
+
+            port {
+                panel_in: endpoint {
+                    remote-endpoint = <&dsi0_out>;
+                };
+            };
+        };
+    };
+
+...

base-commit: fd821bf0ed9a7db09d2e007df697f4d9ecfda99a
--
2.30.0