linux-kernel - [PATCH v4 03/14] dt-bindings: pinctrl: imx: Add fsl,scu-iomux yaml file

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Message-Id: <20220615105834.743045-4-viorel.suman@nxp.com>
Date:   Wed, 15 Jun 2022 13:58:23 +0300
From:   Viorel Suman <viorel.suman@....com>
To:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Dong Aisheng <aisheng.dong@....com>,
        Fabio Estevam <festevam@...il.com>,
        Shawn Guo <shawnguo@...nel.org>,
        Stefan Agner <stefan@...er.ch>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Linus Walleij <linus.walleij@...aro.org>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Amit Kucheria <amitk@...nel.org>,
        Zhang Rui <rui.zhang@...el.com>,
        Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        NXP Linux Team <linux-imx@....com>,
        Abel Vesa <abel.vesa@....com>,
        Viorel Suman <viorel.suman@....com>,
        Mirela Rabulea <mirela.rabulea@....com>,
        Liu Ying <victor.liu@....com>,
        Oliver Graute <oliver.graute@...oconnector.com>,
        Peng Fan <peng.fan@....com>, Shijie Qin <shijie.qin@....com>,
        Ming Qian <ming.qian@....com>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-input@...r.kernel.org, linux-gpio@...r.kernel.org,
        linux-rtc@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-watchdog@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Cc:     LnxNXP@....com
Subject: [PATCH v4 03/14] dt-bindings: pinctrl: imx: Add fsl,scu-iomux yaml file

From: Abel Vesa <abel.vesa@....com>

In order to replace the fsl,scu txt file from bindings/arm/freescale,
we need to split it between the right subsystems. This patch documents
separately the 'iomux/pinctrl' child node of the SCU main node.

Signed-off-by: Abel Vesa <abel.vesa@....com>
Signed-off-by: Viorel Suman <viorel.suman@....com>
---
 .../bindings/pinctrl/fsl,scu-pinctrl.yaml     | 47 +++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pinctrl/fsl,scu-pinctrl.yaml

diff --git a/Documentation/devicetree/bindings/pinctrl/fsl,scu-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/fsl,scu-pinctrl.yaml
new file mode 100644
index 000000000000..7a08c60da66f
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/fsl,scu-pinctrl.yaml
@@ -0,0 +1,47 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/fsl,scu-pinctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: i.MX SCU Client Device Node - Pinctrl bindings based on SCU Message Protocol
+
+maintainers:
+  - Dong Aisheng <aisheng.dong@....com>
+
+description: i.MX SCU Client Device Node
+  Client nodes are maintained as children of the relevant IMX-SCU device node.
+  This binding uses the i.MX common pinctrl binding.
+  (Documentation/devicetree/bindings/pinctrl/fsl,imx-pinctrl.txt)
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - fsl,imx8qm-iomuxc
+          - fsl,imx8qxp-iomuxc
+          - fsl,imx8dxl-iomuxc
+
+patternProperties:
+  "grp$":
+    type: object
+
+required:
+  - compatible
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/pinctrl/pads-imx8qxp.h>
+
+    pinctrl {
+             compatible = "fsl,imx8qxp-iomuxc";
+
+             pinctrl_lpuart0: lpuart0grp {
+                    fsl,pins = <
+                            IMX8QXP_UART0_RX_ADMA_UART0_RX   0x06000020
+                            IMX8QXP_UART0_TX_ADMA_UART0_TX   0x06000020
+                    >;
+             };
+    };
-- 
2.25.1