linux-kernel - [PATCH v1 20/30] dt-bindings: clock: Add starfive,jh7110-clkgen-aon bindings

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Date:   Fri, 30 Sep 2022 13:56:32 +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 20/30] dt-bindings: clock: Add starfive,jh7110-clkgen-aon bindings

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

Add bindings for the always-on 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-aon.yaml     | 62 +++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/starfive,jh7110-clkgen-aon.yaml

diff --git a/Documentation/devicetree/bindings/clock/starfive,jh7110-clkgen-aon.yaml b/Documentation/devicetree/bindings/clock/starfive,jh7110-clkgen-aon.yaml
new file mode 100644
index 000000000000..029ff57b9e3e
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/starfive,jh7110-clkgen-aon.yaml
@@ -0,0 +1,62 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/starfive,jh7110-clkgen-aon.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: StarFive JH7110 Always-On Clock Generator
+
+maintainers:
+  - Emil Renner Berthing <kernel@...il.dk>
+  - Xingyu Wu <xingyu.wu@...ux.starfivetech.com>
+
+properties:
+  compatible:
+    const: starfive,jh7110-clkgen-aon
+
+  clocks:
+    items:
+      - description: Main Oscillator
+      - description: RTC clock
+      - description: RMII reference clock
+      - description: RGMII RX clock
+      - description: STG AXI/AHB clock
+      - description: APB Bus clock
+
+  clock-names:
+    items:
+      - const: osc
+      - const: clk_rtc
+      - const: gmac0_rmii_refin
+      - const: gmac0_rgmii_rxin
+      - const: stg_axiahb
+      - const: apb_bus_func
+
+  '#clock-cells':
+    const: 1
+    description:
+      See <dt-bindings/clock/starfive-jh7110-aon.h> for valid indices.
+
+required:
+  - compatible
+  - clocks
+  - clock-names
+  - '#clock-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/starfive-jh7110-sys.h>
+
+    aoncrg: clock-controller@...00000 {
+        compatible = "starfive,jh7110-aoncrg";
+        clocks = <&osc>, <&clk_rtc>,
+                 <&gmac0_rmii_refin>, <&gmac0_rgmii_rxin>,
+                 <&syscrg JH7110_SYSCLK_STG_AXIAHB>,
+                 <&syscrg JH7110_SYSCLK_APB_BUS_FUNC>;
+        clock-names = "osc", "clk_rtc",
+                      "gmac0_rmii_refin", "gmac0_rgmii_rxin",
+                      "stg_axiahb", "apb_bus_func";
+        #clock-cells = <1>;
+    };
-- 
2.17.1