Document Renesas R-Car UFS host controller for R-Car S4-8 (r8a779f0). Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> --- .../devicetree/bindings/ufs/renesas,ufs.yaml | 61 +++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 Documentation/devicetree/bindings/ufs/renesas,ufs.yaml diff --git a/Documentation/devicetree/bindings/ufs/renesas,ufs.yaml b/Documentation/devicetree/bindings/ufs/renesas,ufs.yaml new file mode 100644 index 000000000000..f04f9f61fa9f --- /dev/null +++ b/Documentation/devicetree/bindings/ufs/renesas,ufs.yaml @@ -0,0 +1,61 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/ufs/renesas,ufs.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Renesas R-Car UFS Host Controller + +maintainers: + - Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx> + +allOf: + - $ref: ufs-common.yaml + +properties: + compatible: + const: renesas,r8a779f0-ufs + + reg: + maxItems: 1 + + clocks: + maxItems: 2 + + clock-names: + items: + - const: fck + - const: ref_clk + + power-domains: + maxItems: 1 + + resets: + maxItems: 1 + +required: + - compatible + - reg + - clocks + - clock-names + - power-domains + - resets + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/clock/r8a779f0-cpg-mssr.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/power/r8a779f0-sysc.h> + + ufs: ufs@e686000 { + compatible = "renesas,r8a779f0-ufs"; + reg = <0xe6860000 0x100>; + interrupts = <GIC_SPI 235 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&cpg CPG_MOD 1514>, <&ufs30_clk>; + clock-names = "fck", "ref_clk"; + freq-table-hz = <200000000 200000000>, <38400000 38400000>; + power-domains = <&sysc R8A779F0_PD_ALWAYS_ON>; + resets = <&cpg 1514>; + }; -- 2.25.1
