Add Unisoc ums9620 ufs host controller devicetree document. Signed-off-by: Zhe Wang <zhe.wang1@xxxxxxxxxx> --- .../bindings/ufs/sprd,ums9620-ufs.yaml | 78 +++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 Documentation/devicetree/bindings/ufs/sprd,ums9620-ufs.yaml diff --git a/Documentation/devicetree/bindings/ufs/sprd,ums9620-ufs.yaml b/Documentation/devicetree/bindings/ufs/sprd,ums9620-ufs.yaml new file mode 100644 index 000000000000..ce9d05be1a6b --- /dev/null +++ b/Documentation/devicetree/bindings/ufs/sprd,ums9620-ufs.yaml @@ -0,0 +1,78 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/ufs/sprd,ums9620-ufs.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Unisoc Universal Flash Storage (UFS) Controller + +maintainers: + - Zhe Wang <zhe.wang1@xxxxxxxxxx> + +allOf: + - $ref: ufs-common.yaml + +properties: + compatible: + const: sprd,ums9620-ufs + + reg: + maxItems: 1 + + clocks: + maxItems: 4 + + clock-names: + items: + - const: ufs_eb + - const: ufs_cfg_eb + - const: ufsh + - const: ufsh_source + + resets: + maxItems: 2 + + reset-names: + items: + - const: ufs + - const: ufsdev + + vdd-mphy-supply: + description: + Phandle to vdd-mphy supply regulator node. + + sprd,ufs-anlg-syscon: + $ref: /schemas/types.yaml#/definitions/phandle + description: phandle of syscon used to control ufs analog regs. + + sprd,aon-apb-syscon: + $ref: /schemas/types.yaml#/definitions/phandle + description: phandle of syscon used to control always-on regs. + +required: + - compatible + - reg + - clocks + - clock-names + - resets + - reset-names + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + + ufs: ufs@22000000 { + compatible = "sprd,ums9620-ufs"; + reg = <0x22000000 0x3000>; + interrupts = <GIC_SPI 159 IRQ_TYPE_LEVEL_HIGH>; + vcc-supply = <&vddemmccore>; + vdd-mphy-supply = <&vddufs1v2>; + clock-names = "ufs_eb", "ufs_cfg_eb", "ufsh", "ufsh_source"; + clocks = <&apahb_gate 5>, <&apahb_gate 22>, <&aonapb_clk 52>, <&g5l_pll 12>; + reset-names = "ufs", "ufsdev"; + resets = <&apahb_gate 4>, <&aonapb_gate 69>; + sprd,ufs-anlg-syscon = <&anlg_phy_g12_regs>; + sprd,aon-apb-syscon = <&aon_apb_regs>; + }; -- 2.17.1
