Add devicetree binding to describe the MFD for Sophgo CV1800 SoC. Signed-off-by: Jingbao Qiu <qiujingbao.dlmu@xxxxxxxxx> --- This patch depends on the clk driver Clk driver link: https://lore.kernel.org/all/IA1PR20MB49539CDAD9A268CBF6CA184BBB9FA@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx/ .../bindings/mfd/sophgo,cv1800-misc.yaml | 69 +++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/sophgo,cv1800-misc.yaml diff --git a/Documentation/devicetree/bindings/mfd/sophgo,cv1800-misc.yaml b/Documentation/devicetree/bindings/mfd/sophgo,cv1800-misc.yaml new file mode 100644 index 000000000000..6fd574a2a945 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/sophgo,cv1800-misc.yaml @@ -0,0 +1,69 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/sophgo,cv1800-misc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Sophgo CV1800 SoC MISC hardware block + +maintainers: + - Jingbao Qiu <qiujingbao.dlmu@xxxxxxxxx> + +description: + This hardware block is an independently powered module within + the CV1800 SoC. This hardware block contains RTC, Power-On-Reset/POR. + +properties: + compatible: + items: + - const: sophgo,cv1800-misc + - const: syscon + - const: simple-mfd + + reg: + maxItems: 1 + + rtc: + # Child node + $ref: /schemas/rtc/sophgo,cv1800-rtc.yaml + type: object + description: + RTC for the SoC. This child node definition + should follow the bindings specified in + Documentation/devicetree/bindings/rtc/sophgo,cv1800-rtc.yaml. + + por: + # Child node + $ref: /schemas/power/sophgo,cv1800-por.yaml + type: object + description: + Power-On-Reset/POR for the SoC. This child node definition + should follow the bindings specified in + Documentation/devicetree/bindings/power/sophgo,cv1800-por.yaml. + +required: + - compatible + - reg + - rtc + - por + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + + misc@5025000 { + compatible = "sophgo,cv1800-misc", "syscon", "simple-mfd"; + reg = <0x05025000 0x2000>; + + rtc { + compatible = "sophgo,cv1800-rtc"; + interrupts = <17 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clk 15>; + }; + + por { + compatible = "sophgo,cv1800-por"; + }; + }; -- 2.25.1
