This patch documents Samsung UFS PHY device tree bindings Signed-off-by: Alim Akhtar <alim.akhtar@xxxxxxxxxxx> --- .../bindings/phy/samsung,ufs-phy.yaml | 67 +++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 Documentation/devicetree/bindings/phy/samsung,ufs-phy.yaml diff --git a/Documentation/devicetree/bindings/phy/samsung,ufs-phy.yaml b/Documentation/devicetree/bindings/phy/samsung,ufs-phy.yaml new file mode 100644 index 000000000000..41ba481ecc76 --- /dev/null +++ b/Documentation/devicetree/bindings/phy/samsung,ufs-phy.yaml @@ -0,0 +1,67 @@ +# SPDX-License-Identifier: (GPL-2.0) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/phy/samsung,ufs-phy.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Samsung SoC series UFS PHY Device Tree Bindings + +maintainers: + - Alim Akhtar <alim.akhtar@xxxxxxxxxxx> + +properties: + "#phy-cells": + const: 0 + + compatible: + enum: + - samsung,exynos7-ufs-phy + + reg: + maxItems: 1 + description: PHY base register address + + reg-names: + items: + - const: phy-pma + + clocks: + items: + - description: PLL reference clock + - description: Referencec clock parrent + + clock-names: + items: + - const: ref_clk_parent + - const: ref_clk + + samsung,pmu-syscon: + $ref: '/schemas/types.yaml#/definitions/phandle' + description: phandle for PMU system controller interface, used to + control pmu registers for power isolation + +required: + - "#phy-cells" + - compatible + - reg + - reg-names + - clocks + - clock-names + - samsung,pmu-syscon + +examples: + - | + #include <dt-bindings/clock/exynos7-clk.h> + + ufs_phy: ufs-phy@15571800 { + compatible = "samsung,exynos7-ufs-phy"; + reg = <0x15571800 0x240>; + reg-names = "phy-pma"; + samsung,pmu-syscon = <&pmu_system_controller>; + #phy-cells = <0>; + clocks = <&clock_fsys1 MOUT_FSYS1_PHYCLK_SEL1>, + <&clock_top1 CLK_SCLK_PHY_FSYS1_26M>; + clock-names = "ref_clk_parent", + "ref_clk"; + }; +... base-commit: fb33c6510d5595144d585aa194d377cf74d31911 -- 2.17.1
