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dt-bindings: clock: Add SC5xx clock tree bindings

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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>
This commit is contained in:
Oliver Gaskell 2024-09-12 16:50:51 +01:00 • committed by Tom Rini
parent ff464f904d
commit cc522cc6ed
2 changed files with 113 additions and 0 deletions
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@ -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

112
doc/device-tree-bindings/clock/adi,sc5xx-clocks.yaml Normal file
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@ -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";
};