linux-kernel - [PATCH 1/3] dt-bindings: clock: imx8-acm: Add audio clock mux support

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Message-Id: <1688449175-1677-2-git-send-email-shengjiu.wang@nxp.com>
Date:   Tue,  4 Jul 2023 13:39:33 +0800
From:   Shengjiu Wang <shengjiu.wang@....com>
To:     abelvesa@...nel.org, peng.fan@....com, mturquette@...libre.com,
        sboyd@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
        festevam@...il.com, linux-imx@....com, shengjiu.wang@...il.com
Cc:     linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/3] dt-bindings: clock: imx8-acm: Add audio clock mux support

Add the clock dt-binding file for audio clock mux. which
is the IP for i.MX8QM, i.MX8QXP, i.MX8DXL.

Signed-off-by: Shengjiu Wang <shengjiu.wang@....com>
---
 .../devicetree/bindings/clock/imx8-acm.yaml   | 71 +++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/imx8-acm.yaml

diff --git a/Documentation/devicetree/bindings/clock/imx8-acm.yaml b/Documentation/devicetree/bindings/clock/imx8-acm.yaml
new file mode 100644
index 000000000000..820c06b81aa6
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/imx8-acm.yaml
@@ -0,0 +1,71 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/imx8-acm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP i.MX8 Audio Clock Mux Binding
+
+maintainers:
+  - Shengjiu Wang <shengjiu.wang@....com>
+
+description: |
+  NXP i.MX8 Audio Clock Mux is dedicated clock muxing IP
+  used to control Audio related clock on the SoC.
+
+properties:
+  compatible:
+    enum:
+      - nxp,imx8qm-acm
+      - nxp,imx8qxp-acm
+      - nxp,imx8dxl-acm
+
+  reg:
+    maxItems: 1
+
+  power-domains:
+    minItems: 13
+    maxItems: 21
+
+  '#clock-cells':
+    const: 1
+    description:
+      The clock consumer should specify the desired clock by having the clock
+      ID in its "clocks" phandle cell. See include/dt-bindings/clock/imx8-clock.h
+      for the full list of i.MX8 ACM clock IDs.
+
+required:
+  - compatible
+  - reg
+  - power-domains
+  - '#clock-cells'
+
+additionalProperties: false
+
+examples:
+  # Clock Control Module node:
+  - |
+    #include <dt-bindings/firmware/imx/rsrc.h>
+
+    acm@...00000 {
+        compatible = "nxp,imx8qxp-acm";
+        reg = <0x59e00000 0x1D0000>;
+        #clock-cells = <1>;
+        power-domains = <&pd IMX_SC_R_AUDIO_CLK_0>,
+                        <&pd IMX_SC_R_AUDIO_CLK_1>,
+                        <&pd IMX_SC_R_MCLK_OUT_0>,
+                        <&pd IMX_SC_R_MCLK_OUT_1>,
+                        <&pd IMX_SC_R_AUDIO_PLL_0>,
+                        <&pd IMX_SC_R_AUDIO_PLL_1>,
+                        <&pd IMX_SC_R_ASRC_0>,
+                        <&pd IMX_SC_R_ASRC_1>,
+                        <&pd IMX_SC_R_ESAI_0>,
+                        <&pd IMX_SC_R_SAI_0>,
+                        <&pd IMX_SC_R_SAI_1>,
+                        <&pd IMX_SC_R_SAI_2>,
+                        <&pd IMX_SC_R_SAI_3>,
+                        <&pd IMX_SC_R_SAI_4>,
+                        <&pd IMX_SC_R_SAI_5>,
+                        <&pd IMX_SC_R_SPDIF_0>,
+                        <&pd IMX_SC_R_MQS_0>;
+    };
-- 
2.34.1