linux-kernel - [PATCH v3 03/17] dt-bindings: pinctrl: Fix node descriptions in uniphier-pinctrl example

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Date:   Tue, 13 Dec 2022 17:24:35 +0900
From:   Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     Masami Hiramatsu <mhiramat@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
Subject: [PATCH v3 03/17] dt-bindings: pinctrl: Fix node descriptions in uniphier-pinctrl example

Drop parent node of the pinctrl as it is not directly necessary, and
add more examples, that is "groups", "function", and a child node to set
pin attributes, to express this pinctrl node in detail.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
---
 .../pinctrl/socionext,uniphier-pinctrl.yaml     | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

diff --git a/Documentation/devicetree/bindings/pinctrl/socionext,uniphier-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/socionext,uniphier-pinctrl.yaml
index 14a8c0215cc6..bc34e2c872bc 100644
--- a/Documentation/devicetree/bindings/pinctrl/socionext,uniphier-pinctrl.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/socionext,uniphier-pinctrl.yaml
@@ -1,4 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+
 %YAML 1.2
 ---
 $id: http://devicetree.org/schemas/pinctrl/socionext,uniphier-pinctrl.yaml#
@@ -69,11 +70,17 @@ examples:
   - |
     // The UniPhier pinctrl should be a subnode of a "syscon" compatible node.
 
-    soc-glue@...00000 {
-        compatible = "socionext,uniphier-pro4-soc-glue", "simple-mfd", "syscon";
-        reg = <0x5f800000 0x2000>;
+    pinctrl {
+        compatible = "socionext,uniphier-ld20-pinctrl";
+
+        pinctrl_ether_rgmii: ether-rgmii {
+            groups = "ether_rgmii";
+            function = "ether_rgmii";
 
-        pinctrl: pinctrl {
-            compatible = "socionext,uniphier-pro4-pinctrl";
+            tx {
+                pins = "RGMII_TXCLK", "RGMII_TXD0", "RGMII_TXD1",
+                       "RGMII_TXD2", "RGMII_TXD3", "RGMII_TXCTL";
+                drive-strength = <9>;
+            };
         };
     };
-- 
2.25.1