From: Neil Armstrong Date: Thu, 6 Jul 2023 14:52:33 +0000 (+0200) Subject: dt-bindings: clock: amlogic: convert amlogic,gxbb-aoclkc.txt to dt-schema X-Git-Tag: Ubuntu-6.8.0-17.17~2634^2~2^4^2~1 X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=74f3d8673de337207db7755756d41ff2064cc4a0;p=mirror_ubuntu-kernels.git dt-bindings: clock: amlogic: convert amlogic,gxbb-aoclkc.txt to dt-schema Convert the Amlogic Always-On Clock Controller bindings to dt-schema. [jbrunet: Fixed whitespace checkpatch warning] Signed-off-by: Neil Armstrong Reviewed-by: Rob Herring Link: https://lore.kernel.org/r/20230706-b4-amlogic-bindings-convert-take2-v3-2-f63de6f12dcc@linaro.org Signed-off-by: Jerome Brunet --- diff --git a/Documentation/devicetree/bindings/clock/amlogic,gxbb-aoclkc.txt b/Documentation/devicetree/bindings/clock/amlogic,gxbb-aoclkc.txt deleted file mode 100644 index c41f0be5d438..000000000000 --- a/Documentation/devicetree/bindings/clock/amlogic,gxbb-aoclkc.txt +++ /dev/null @@ -1,64 +0,0 @@ -* Amlogic GXBB AO Clock and Reset Unit - -The Amlogic GXBB AO clock controller generates and supplies clock to various -controllers within the Always-On part of the SoC. - -Required Properties: - -- compatible: value should be different for each SoC family as : - - GXBB (S905) : "amlogic,meson-gxbb-aoclkc" - - GXL (S905X, S905D) : "amlogic,meson-gxl-aoclkc" - - GXM (S912) : "amlogic,meson-gxm-aoclkc" - - AXG (A113D, A113X) : "amlogic,meson-axg-aoclkc" - - G12A (S905X2, S905D2, S905Y2) : "amlogic,meson-g12a-aoclkc" - followed by the common "amlogic,meson-gx-aoclkc" -- clocks: list of clock phandle, one for each entry clock-names. -- clock-names: should contain the following: - * "xtal" : the platform xtal - * "mpeg-clk" : the main clock controller mother clock (aka clk81) - * "ext-32k-0" : external 32kHz reference #0 if any (optional) - * "ext-32k-1" : external 32kHz reference #1 if any (optional - gx only) - * "ext-32k-2" : external 32kHz reference #2 if any (optional - gx only) - -- #clock-cells: should be 1. - -Each clock is assigned an identifier and client nodes can use this identifier -to specify the clock which they consume. All available clocks are defined as -preprocessor macros in the dt-bindings/clock/gxbb-aoclkc.h header and can be -used in device tree sources. - -- #reset-cells: should be 1. - -Each reset is assigned an identifier and client nodes can use this identifier -to specify the reset which they consume. All available resets are defined as -preprocessor macros in the dt-bindings/reset/gxbb-aoclkc.h header and can be -used in device tree sources. - -Parent node should have the following properties : -- compatible: "amlogic,meson-gx-ao-sysctrl", "syscon", "simple-mfd" -- reg: base address and size of the AO system control register space. - -Example: AO Clock controller node: - -ao_sysctrl: sys-ctrl@0 { - compatible = "amlogic,meson-gx-ao-sysctrl", "syscon", "simple-mfd"; - reg = <0x0 0x0 0x0 0x100>; - - clkc_AO: clock-controller { - compatible = "amlogic,meson-gxbb-aoclkc", "amlogic,meson-gx-aoclkc"; - #clock-cells = <1>; - #reset-cells = <1>; - clocks = <&xtal>, <&clkc CLKID_CLK81>; - clock-names = "xtal", "mpeg-clk"; - }; - -Example: UART controller node that consumes the clock and reset generated - by the clock controller: - - uart_AO: serial@4c0 { - compatible = "amlogic,meson-uart"; - reg = <0x4c0 0x14>; - interrupts = <0 90 1>; - clocks = <&clkc_AO CLKID_AO_UART1>; - resets = <&clkc_AO RESET_AO_UART1>; - }; diff --git a/Documentation/devicetree/bindings/clock/amlogic,gxbb-aoclkc.yaml b/Documentation/devicetree/bindings/clock/amlogic,gxbb-aoclkc.yaml new file mode 100644 index 000000000000..628e5dd33dd4 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/amlogic,gxbb-aoclkc.yaml @@ -0,0 +1,85 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/amlogic,gxbb-aoclkc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Amlogic Always-On Clock Controller + +maintainers: + - Neil Armstrong + +properties: + compatible: + oneOf: + - items: + - enum: + - amlogic,meson-gxbb-aoclkc + - amlogic,meson-gxl-aoclkc + - amlogic,meson-gxm-aoclkc + - amlogic,meson-axg-aoclkc + - const: amlogic,meson-gx-aoclkc + - enum: + - amlogic,meson-axg-aoclkc + - amlogic,meson-g12a-aoclkc + + clocks: + minItems: 2 + maxItems: 5 + + clock-names: + minItems: 2 + items: + - const: xtal + - const: mpeg-clk + - const: ext-32k-0 + - const: ext-32k-1 + - const: ext-32k-2 + + '#clock-cells': + const: 1 + + '#reset-cells': + const: 1 + +required: + - compatible + - clocks + - clock-names + - '#clock-cells' + - '#reset-cells' + +allOf: + - if: + properties: + compatible: + enum: + - amlogic,meson-g12a-aoclkc + + then: + properties: + clocks: + minItems: 2 + maxItems: 3 + + clock-names: + minItems: 2 + maxItems: 3 + + - if: + properties: + compatible: + enum: + - amlogic,meson-gxl-aoclkc + - amlogic,meson-gxm-aoclkc + - amlogic,meson-axg-aoclkc + + then: + properties: + clocks: + maxItems: 2 + + clock-names: + maxItems: 2 + +additionalProperties: false