From: William Qiu <william.qiu@xxxxxxxxxxxxxxxx> Add documentation to describe StarFive System Controller Registers. Co-developed-by: Xingyu Wu <xingyu.wu@xxxxxxxxxxxxxxxx> Signed-off-by: Xingyu Wu <xingyu.wu@xxxxxxxxxxxxxxxx> Signed-off-by: William Qiu <william.qiu@xxxxxxxxxxxxxxxx> --- .../soc/starfive/starfive,jh7110-syscon.yaml | 93 +++++++++++++++++++ MAINTAINERS | 7 ++ 2 files changed, 100 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml diff --git a/Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml b/Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml new file mode 100644 index 000000000000..0039319e91fe --- /dev/null +++ b/Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml @@ -0,0 +1,93 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/starfive/starfive,jh7110-syscon.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: StarFive JH7110 SoC system controller + +maintainers: + - William Qiu <william.qiu@xxxxxxxxxxxxxxxx> + +description: + The StarFive JH7110 SoC system controller provides register information such + as offset, mask and shift to configure related modules such as MMC and PCIe. + +properties: + compatible: + oneOf: + - items: + - const: starfive,jh7110-sys-syscon + - const: syscon + - const: simple-mfd + - items: + - enum: + - starfive,jh7110-aon-syscon + - starfive,jh7110-stg-syscon + - const: syscon + + reg: + maxItems: 1 + + clock-controller: + $ref: /schemas/clock/starfive,jh7110-pll.yaml# + type: object + + "#power-domain-cells": + const: 1 + +required: + - compatible + - reg + +allOf: + - if: + properties: + compatible: + contains: + const: starfive,jh7110-sys-syscon + then: + required: + - clock-controller + else: + properties: + clock-controller: false + - if: + properties: + compatible: + contains: + const: starfive,jh7110-aon-syscon + then: + required: + - "#power-domain-cells" + else: + properties: + "#power-domain-cells": false + +additionalProperties: false + +examples: + - | + syscon@10240000 { + compatible = "starfive,jh7110-stg-syscon", "syscon"; + reg = <0x10240000 0x1000>; + }; + + syscon@13030000 { + compatible = "starfive,jh7110-sys-syscon", "syscon", "simple-mfd"; + reg = <0x13030000 0x1000>; + + clock-controller { + compatible = "starfive,jh7110-pll"; + clocks = <&osc>; + #clock-cells = <1>; + }; + }; + + syscon@17010000 { + compatible = "starfive,jh7110-aon-syscon", "syscon"; + reg = <0x17010000 0x1000>; + #power-domain-cells = <1>; + }; + +... diff --git a/MAINTAINERS b/MAINTAINERS index 35e19594640d..58ba04bd0bc8 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -20127,6 +20127,12 @@ S: Supported F: Documentation/devicetree/bindings/mmc/starfive* F: drivers/mmc/host/dw_mmc-starfive.c +STARFIVE JH7110 SYSCON +M: William Qiu <william.qiu@xxxxxxxxxxxxxxxx> +M: Xingyu Wu <xingyu.wu@xxxxxxxxxxxxxxxx> +S: Supported +F: Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml + STARFIVE JH71X0 CLOCK DRIVERS M: Emil Renner Berthing <kernel@xxxxxxxx> M: Hal Feng <hal.feng@xxxxxxxxxxxxxxxx> @@ -20164,6 +20170,7 @@ STARFIVE SOC DRIVERS M: Conor Dooley <conor@xxxxxxxxxx> S: Maintained T: git https://git.kernel.org/pub/scm/linux/kernel/git/conor/linux.git/ +F: Documentation/devicetree/bindings/soc/starfive/ F: drivers/soc/starfive/ STARFIVE TRNG DRIVER -- 2.25.1
