linux-kernel - [PATCH v1 17/30] dt-bindings: clock: Add starfive,jh7110-clkgen-sys bindings

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Date:   Fri, 30 Sep 2022 06:26:47 +0800
From:   Hal Feng <hal.feng@...ux.starfivetech.com>
To:     linux-riscv@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-clk@...r.kernel.org, linux-gpio@...r.kernel.org
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Stephen Boyd <sboyd@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Emil Renner Berthing <kernel@...il.dk>,
        Hal Feng <hal.feng@...ux.starfivetech.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH v1 17/30] dt-bindings: clock: Add starfive,jh7110-clkgen-sys bindings

From: Emil Renner Berthing <kernel@...il.dk>

Add bindings for the system clock generator on the JH7110
RISC-V SoC by StarFive Technology Ltd.

Signed-off-by: Emil Renner Berthing <kernel@...il.dk>
Signed-off-by: Hal Feng <hal.feng@...ux.starfivetech.com>
---
 .../clock/starfive,jh7110-clkgen-sys.yaml     | 69 +++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/starfive,jh7110-clkgen-sys.yaml

diff --git a/Documentation/devicetree/bindings/clock/starfive,jh7110-clkgen-sys.yaml b/Documentation/devicetree/bindings/clock/starfive,jh7110-clkgen-sys.yaml
new file mode 100644
index 000000000000..290b730145ab
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/starfive,jh7110-clkgen-sys.yaml
@@ -0,0 +1,69 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/starfive,jh7110-clkgen-sys.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: StarFive JH7110 System Clock Generator
+
+maintainers:
+  - Emil Renner Berthing <kernel@...il.dk>
+  - Xingyu Wu <xingyu.wu@...ux.starfivetech.com>
+
+properties:
+  compatible:
+    const: starfive,jh7110-clkgen-sys
+
+  clocks:
+    items:
+      - description: Main Oscillator (24 MHz)
+      - description: RMII reference clock
+      - description: RGMII RX clock
+      - description: I2S TX bit clock
+      - description: I2S TX left/right clock
+      - description: I2S RX bit clock
+      - description: I2S RX left/right clock
+      - description: TDM
+      - description: mclk
+
+  clock-names:
+    items:
+      - const: osc
+      - const: gmac1_rmii_refin
+      - const: gmac1_rgmii_rxin
+      - const: i2stx_bclk_ext
+      - const: i2stx_lrck_ext
+      - const: i2srx_bclk_ext
+      - const: i2srx_lrck_ext
+      - const: tdm_ext
+      - const: mclk_ext
+
+  '#clock-cells':
+    const: 1
+    description:
+      See <dt-bindings/clock/starfive-jh7110-sys.h> for valid indices.
+
+required:
+  - compatible
+  - clocks
+  - clock-names
+  - '#clock-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    syscrg_clk: clock-controller@...20000 {
+        compatible = "starfive,jh7110-clkgen-sys";
+        clocks = <&osc>, <&gmac1_rmii_refin>,
+                 <&gmac1_rgmii_rxin>,
+                 <&i2stx_bclk_ext>, <&i2stx_lrck_ext>,
+                 <&i2srx_bclk_ext>, <&i2srx_lrck_ext>,
+                 <&tdm_ext>, <&mclk_ext>;
+        clock-names = "osc", "gmac1_rmii_refin",
+                      "gmac1_rgmii_rxin",
+                      "i2stx_bclk_ext", "i2stx_lrck_ext",
+                      "i2srx_bclk_ext", "i2srx_lrck_ext",
+                      "tdm_ext", "mclk_ext";
+        #clock-cells = <1>;
+    };
-- 
2.17.1