From: Oliver Gaskell Oliver.Gaskell@analog.com
Add devicetree schema for the clock tree on Analog Devices SC5xx series SoCs.
Co-developed-by: Nathan Barrett-Morrison nathan.morrison@timesys.com Signed-off-by: Nathan Barrett-Morrison nathan.morrison@timesys.com Signed-off-by: Oliver Gaskell Oliver.Gaskell@analog.com --- MAINTAINERS | 1 + .../clock/adi,sc5xx-clocks.yaml | 112 +++++++++++++++++++++ 2 files changed, 113 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS index 38ac172c03..c196368a72 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -608,6 +608,7 @@ F: arch/arm/dts/sc5* F: arch/arm/include/asm/arch-adi/ F: arch/arm/mach-sc5xx/ F: doc/device-tree-bindings/arm/adi/adi,sc5xx.yaml +F: doc/device-tree-bindings/clock/adi,sc5xx-clocks.yaml F: drivers/clk/adi/ F: drivers/serial/serial_adi_uart4.c F: drivers/timer/adi_sc5xx_timer.c diff --git a/doc/device-tree-bindings/clock/adi,sc5xx-clocks.yaml b/doc/device-tree-bindings/clock/adi,sc5xx-clocks.yaml new file mode 100644 index 0000000000..9bbd5467a0 --- /dev/null +++ b/doc/device-tree-bindings/clock/adi,sc5xx-clocks.yaml @@ -0,0 +1,112 @@ +# SPDX-License-Identifier: (GPL-2.0+) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/adi,sc5xx-clocks.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Clock Tree Drivers for Analog Devices SC5XX Processors + +maintainers: + - Vasileios Bimpikas vasileios.bimpikas@analog.com + - Utsav Agarwal utsav.agarwal@analog.com + - Arturs Artamonovs arturs.artamonovs@analog.com + +description: | + These drivers read in the processors CDU (clock distribution unit) + and CGU (clock generation unit) values to determine various clock + rates + +properties: + compatible: + enum: + - adi,sc5xx-clocks # Any + - adi,sc57x-clocks # 32-Bit SC573 processor + - adi,sc58x-clocks # 32-Bit SC584, SC589 processors + - adi,sc594-clocks # 32-Bit SC594 processor + - adi,sc598-clocks # 64-Bit SC598 processor + + '#clock-cells': + const: 1 + + reg: + minItems: 3 + maxItems: 4 + + reg-names: + description: + String reference names for the reg property + minItems: 3 + maxItems: 4 + + clocks: + description: + Specifies the CLKIN0 and CLKIN1 reference clock(s) from which the + output frequencies are derived via CDU+CGU + minItems: 2 + maxItems: 2 + + clock-names: + description: + String reference names for CLKIN0 and CLKIN1 + minItems: 2 + maxItems: 2 + +required: + - compatible + - reg + - clocks + - '#clock-cells' + - clock-names + +additionalProperties: false + +examples: + - | + clk0: clocks@3108d000 { + compatible = "adi,sc57x-clocks"; + reg = <0x3108d000 0x1000>, + <0x3108e000 0x1000>, + <0x3108f000 0x1000>; + #clock-cells = <1>; + clocks = <&sys_clkin0>, <&sys_clkin1>; + clock-names = "sys_clkin0", "sys_clkin1"; + status = "okay"; + }; + + - | + clk1: clocks@3108d000 { + compatible = "adi,sc58x-clocks"; + reg = <0x3108d000 0x1000>, + <0x3108e000 0x1000>, + <0x3108f000 0x1000>; + #clock-cells = <1>; + clocks = <&sys_clkin0>, <&sys_clkin1>; + clock-names = "sys_clkin0", "sys_clkin1"; + status = "okay"; + }; + + - | + clk2: clocks@3108d000 { + compatible = "adi,sc594-clocks"; + reg = <0x3108d000 0x1000>, + <0x3108e000 0x1000>, + <0x3108f000 0x1000>; + #clock-cells = <1>; + clocks = <&sys_clkin0>, <&sys_clkin1>; + clock-names = "sys_clkin0", "sys_clkin1"; + status = "okay"; + }; + + - | + clk3: clocks@3108d000 { + compatible = "adi,sc598-clocks"; + reg = <0x3108d000 0x1000>, + <0x3108e000 0x1000>, + <0x3108f000 0x1000>, + <0x310a9000 0x1000>; + #clock-cells = <1>; + clocks = <&sys_clkin0>, <&sys_clkin1>; + clock-names = "sys_clkin0", "sys_clkin1"; + status = "okay"; + }; +