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X-OriginatorOrg: nuvoton.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Jan 2024 13:54:24.8002 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 9e49ca8c-c36b-4473-68b1-08dc105152de X-MS-Exchange-CrossTenant-Id: a3f24931-d403-4b4a-94f1-7d83ac638e07 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=a3f24931-d403-4b4a-94f1-7d83ac638e07;Ip=[175.98.123.7];Helo=[NTHCCAS04.nuvoton.com] X-MS-Exchange-CrossTenant-AuthSource: HK2PEPF00006FB5.apcprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: TYZPR03MB6621 The NPCM8XX clock driver uses 25Mhz external clock, therefor adding refclk property. Signed-off-by: Tomer Maimon --- .../bindings/clock/nuvoton,npcm845-clk.yaml | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/Documentation/devicetree/bindings/clock/nuvoton,npcm845-clk.yaml b/Documentation/devicetree/bindings/clock/nuvoton,npcm845-clk.yaml index b901ca13cd25..0b642bfce292 100644 --- a/Documentation/devicetree/bindings/clock/nuvoton,npcm845-clk.yaml +++ b/Documentation/devicetree/bindings/clock/nuvoton,npcm845-clk.yaml @@ -21,6 +21,14 @@ properties: reg: maxItems: 1 + clocks: + items: + - description: 25Mhz referance clock + + clock-names: + items: + - const: refclk + '#clock-cells': const: 1 description: @@ -30,12 +38,20 @@ properties: required: - compatible - reg + - clocks + - clock-names - '#clock-cells' additionalProperties: false examples: - | + refclk: refclk-25mhz { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <25000000>; + }; + ahb { #address-cells = <2>; #size-cells = <2>; From patchwork Mon Jan 8 13:54:17 2024 Content-Type: text/plain; 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X-OriginatorOrg: nuvoton.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Jan 2024 13:54:29.0814 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 11d72320-b249-4be3-aee6-08dc1051556b X-MS-Exchange-CrossTenant-Id: a3f24931-d403-4b4a-94f1-7d83ac638e07 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=a3f24931-d403-4b4a-94f1-7d83ac638e07;Ip=[211.75.126.7];Helo=[NTHCCAS01.nuvoton.com] X-MS-Exchange-CrossTenant-AuthSource: HK2PEPF00006FB5.apcprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SEYPR03MB7968 A nuvoton,*-clk-rst node is present in nuvoton-common-npcm7xx.dtsi and will be added to nuvoton-common-npcm8xx.dtsi. It is necessary for the NPCM7xx and NPCM8xx clock and reset drivers, and may later be used to retrieve SoC model and version information. This patch adds a binding to describe this node. Signed-off-by: Tomer Maimon --- .../soc/nuvoton/nuvoton,npcm-clk-rst.yaml | 40 +++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/nuvoton/nuvoton,npcm-clk-rst.yaml diff --git a/Documentation/devicetree/bindings/soc/nuvoton/nuvoton,npcm-clk-rst.yaml b/Documentation/devicetree/bindings/soc/nuvoton/nuvoton,npcm-clk-rst.yaml new file mode 100644 index 000000000000..dfec64a8eb26 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/nuvoton/nuvoton,npcm-clk-rst.yaml @@ -0,0 +1,40 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/nuvoton/nuvoton,npcm-clk-rst.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Clock and reset registers block in Nuvoton SoCs + +maintainers: + - Tomer Maimon + +description: + The clock and reset registers are a registers block in Nuvoton SoCs that + handle both reset and clock functionality. + +properties: + compatible: + items: + - enum: + - nuvoton,npcm750-clk-rst + - nuvoton,npcm845-clk-rst + - const: syscon + - const: simple-mfd + + reg: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: + type: object + +examples: + - | + clk_rst: syscon@801000 { + compatible = "nuvoton,npcm750-clk-rst", "syscon", "simple-mfd"; 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Signed-off-by: Tomer Maimon --- .../bindings/clock/nuvoton,npcm845-clk.yaml | 22 +++++++++---------- 1 file changed, 10 insertions(+), 12 deletions(-) diff --git a/Documentation/devicetree/bindings/clock/nuvoton,npcm845-clk.yaml b/Documentation/devicetree/bindings/clock/nuvoton,npcm845-clk.yaml index 0b642bfce292..c6bf05c163b4 100644 --- a/Documentation/devicetree/bindings/clock/nuvoton,npcm845-clk.yaml +++ b/Documentation/devicetree/bindings/clock/nuvoton,npcm845-clk.yaml @@ -18,8 +18,9 @@ properties: enum: - nuvoton,npcm845-clk - reg: - maxItems: 1 + nuvoton,sysclk: + $ref: /schemas/types.yaml#/definitions/phandle + description: phandle to access clock registers. clocks: items: @@ -37,7 +38,7 @@ properties: required: - compatible - - reg + - nuvoton,sysclk - clocks - clock-names - '#clock-cells' @@ -52,14 +53,11 @@ examples: clock-frequency = <25000000>; }; - ahb { - #address-cells = <2>; - #size-cells = <2>; - - clock-controller@f0801000 { - compatible = "nuvoton,npcm845-clk"; - reg = <0x0 0xf0801000 0x0 0x1000>; - #clock-cells = <1>; - }; + clk: clock-controller { + compatible = "nuvoton,npcm845-clk"; + nuvoton,sysclk = <&clk_rst>; + #clock-cells = <1>; + clocks = <&refclk>; + clock-names = "refclk"; }; ...