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[v2,10/14] dt-bindings: clock: Add StarFive JH7110 always-on clock and reset generator

Message ID 20221118010627.70576-11-hal.feng@starfivetech.com
State New
Headers show
Series [v2,01/14] clk: starfive: Factor out common JH7100 and JH7110 code | expand

Commit Message

Hal Feng Nov. 18, 2022, 1:06 a.m. UTC 
From: Emil Renner Berthing <kernel@esmil.dk>

Add bindings for the always-on clock and reset generator (AONCRG) on the
JH7110 RISC-V SoC by StarFive Ltd.

Signed-off-by: Emil Renner Berthing <kernel@esmil.dk>
Signed-off-by: Hal Feng <hal.feng@starfivetech.com>
---
 .../clock/starfive,jh7110-aoncrg.yaml         | 76 +++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/starfive,jh7110-aoncrg.yaml
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Patch

diff --git a/Documentation/devicetree/bindings/clock/starfive,jh7110-aoncrg.yaml b/Documentation/devicetree/bindings/clock/starfive,jh7110-aoncrg.yaml
new file mode 100644
index 000000000000..afbb205e294f
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/starfive,jh7110-aoncrg.yaml
@@ -0,0 +1,76 @@ 
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/starfive,jh7110-aoncrg.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: StarFive JH7110 Always-On Clock and Reset Generator
+
+maintainers:
+  - Emil Renner Berthing <kernel@esmil.dk>
+
+properties:
+  compatible:
+    const: starfive,jh7110-aoncrg
+
+  reg:
+    maxItems: 1
+
+  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
+      - description: GMAC0 GTX clock
+
+  clock-names:
+    items:
+      - const: osc
+      - const: clk_rtc
+      - const: gmac0_rmii_refin
+      - const: gmac0_rgmii_rxin
+      - const: stg_axiahb
+      - const: apb_bus_func
+      - const: gmac0_gtxclk
+
+  '#clock-cells':
+    const: 1
+    description:
+      See <dt-bindings/clock/starfive-jh7110.h> for valid indices.
+
+  '#reset-cells':
+    const: 1
+    description:
+      See <dt-bindings/reset/starfive-jh7110.h> for valid indices.
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - '#clock-cells'
+  - '#reset-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/starfive-jh7110.h>
+
+    clock-controller@17000000 {
+        compatible = "starfive,jh7110-aoncrg";
+        reg = <0x17000000 0x10000>;
+        clocks = <&osc>, <&clk_rtc>,
+                 <&gmac0_rmii_refin>, <&gmac0_rgmii_rxin>,
+                 <&syscrg JH7110_SYSCLK_STG_AXIAHB>,
+                 <&syscrg JH7110_SYSCLK_APB_BUS_FUNC>,
+                 <&syscrg JH7110_SYSCLK_GMAC0_GTXCLK>;
+        clock-names = "osc", "clk_rtc", "gmac0_rmii_refin",
+                      "gmac0_rgmii_rxin", "stg_axiahb",
+                      "apb_bus_func", "gmac0_gtxclk";
+        #clock-cells = <1>;
+        #reset-cells = <1>;
+    };