Convert the Samsung Exynos USB 3.0 DRD PHY bindings to DT schema format. Except the conversion, add also vbus-supply and vbus-boost-supply properties which were already used by the driver and DTS. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxx> --- .../bindings/phy/samsung,usb3-drd-phy.yaml | 126 ++++++++++++++++++ .../devicetree/bindings/phy/samsung-phy.txt | 53 -------- 2 files changed, 126 insertions(+), 53 deletions(-) create mode 100644 Documentation/devicetree/bindings/phy/samsung,usb3-drd-phy.yaml delete mode 100644 Documentation/devicetree/bindings/phy/samsung-phy.txt diff --git a/Documentation/devicetree/bindings/phy/samsung,usb3-drd-phy.yaml b/Documentation/devicetree/bindings/phy/samsung,usb3-drd-phy.yaml new file mode 100644 index 000000000000..f83f0f8135b9 --- /dev/null +++ b/Documentation/devicetree/bindings/phy/samsung,usb3-drd-phy.yaml @@ -0,0 +1,126 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/phy/samsung,usb3-drd-phy.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Samsung Exynos SoC USB 3.0 DRD PHY USB 2.0 PHY + +maintainers: + - Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxx> + - Marek Szyprowski <m.szyprowski@xxxxxxxxxxx> + - Sylwester Nawrocki <s.nawrocki@xxxxxxxxxxx> + +description: | + For samsung,exynos5250-usbdrd-phy and samsung,exynos5420-usbdrd-phy + compatible PHYs, the second cell in the PHY specifier identifies the + PHY id, which is interpreted as follows:: + 0 - UTMI+ type phy, + 1 - PIPE3 type phy. + + For SoCs like Exynos5420 having multiple USB 3.0 DRD PHY controllers, + 'usbdrd_phy' nodes should have numbered alias in the aliases node, in the + form of usbdrdphyN, N = 0, 1... (depending on number of controllers). + +properties: + compatible: + enum: + - samsung,exynos5250-usbdrd-phy + - samsung,exynos5420-usbdrd-phy + - samsung,exynos5433-usbdrd-phy + - samsung,exynos7-usbdrd-phy + + clocks: + minItems: 2 + maxItems: 5 + + clock-names: + minItems: 2 + maxItems: 5 + description: | + At least two clocks:: + - Main PHY clock (same as USB DRD controller i.e. DWC3 IP clock), used + for register access. + - PHY reference clock (usually crystal clock), used for PHY operations, + associated by phy name. It is used to determine bit values for clock + settings register. For Exynos5420 this is given as 'sclk_usbphy30' + in the CMU. + + "#phy-cells": + const: 1 + + port: + $ref: /schemas/graph.yaml#/properties/port + description: + Any connector to the data bus of this controller should be modelled using + the OF graph bindings specified. + + reg: + maxItems: 1 + + samsung,pmu-syscon: + $ref: /schemas/types.yaml#/definitions/phandle + description: + Phandle to PMU system controller interface. + + vbus-supply: + description: + VBUS power source. + + vbus-boost-supply: + description: + VBUS Boost 5V power source. + +required: + - compatible + - clocks + - clock-names + - "#phy-cells" + - reg + - samsung,pmu-syscon + +allOf: + - if: + properties: + compatible: + contains: + enum: + - samsung,exynos5433-usbdrd-phy + - samsung,exynos7-usbdrd-phy + then: + properties: + clocks: + minItems: 5 + maxItems: 5 + clock-names: + items: + - const: phy + - const: ref + - const: phy_utmi + - const: phy_pipe + - const: itp + else: + properties: + clocks: + minItems: 2 + maxItems: 2 + clock-names: + items: + - const: phy + - const: ref + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/exynos5420.h> + + phy@12100000 { + compatible = "samsung,exynos5420-usbdrd-phy"; + reg = <0x12100000 0x100>; + #phy-cells = <1>; + clocks = <&clock CLK_USBD300>, <&clock CLK_SCLK_USBPHY300>; + clock-names = "phy", "ref"; + samsung,pmu-syscon = <&pmu_system_controller>; + vbus-supply = <&usb300_vbus_reg>; + }; diff --git a/Documentation/devicetree/bindings/phy/samsung-phy.txt b/Documentation/devicetree/bindings/phy/samsung-phy.txt deleted file mode 100644 index b0abeb4ac0a2..000000000000 --- a/Documentation/devicetree/bindings/phy/samsung-phy.txt +++ /dev/null @@ -1,53 +0,0 @@ -Samsung Exynos5 SoC series USB DRD PHY controller --------------------------------------------------- - -Required properties: -- compatible : Should be set to one of the following supported values: - - "samsung,exynos5250-usbdrd-phy" - for exynos5250 SoC, - - "samsung,exynos5420-usbdrd-phy" - for exynos5420 SoC. - - "samsung,exynos5433-usbdrd-phy" - for exynos5433 SoC. - - "samsung,exynos7-usbdrd-phy" - for exynos7 SoC. -- reg : Register offset and length of USB DRD PHY register set; -- clocks: Clock IDs array as required by the controller -- clock-names: names of clocks correseponding to IDs in the clock property; - Required clocks: - - phy: main PHY clock (same as USB DRD controller i.e. DWC3 IP clock), - used for register access. - - ref: PHY's reference clock (usually crystal clock), used for - PHY operations, associated by phy name. It is used to - determine bit values for clock settings register. - For Exynos5420 this is given as 'sclk_usbphy30' in CMU. - - optional clocks: Exynos5433 & Exynos7 SoC has now following additional - gate clocks available: - - phy_pipe: for PIPE3 phy - - phy_utmi: for UTMI+ phy - - itp: for ITP generation -- samsung,pmu-syscon: phandle for PMU system controller interface, used to - control pmu registers for power isolation. -- #phy-cells : from the generic PHY bindings, must be 1; - -For "samsung,exynos5250-usbdrd-phy" and "samsung,exynos5420-usbdrd-phy" -compatible PHYs, the second cell in the PHY specifier identifies the -PHY id, which is interpreted as follows: - 0 - UTMI+ type phy, - 1 - PIPE3 type phy, - -Example: - usbdrd_phy: usbphy@12100000 { - compatible = "samsung,exynos5250-usbdrd-phy"; - reg = <0x12100000 0x100>; - clocks = <&clock 286>, <&clock 1>; - clock-names = "phy", "ref"; - samsung,pmu-syscon = <&pmu_system_controller>; - #phy-cells = <1>; - }; - -- aliases: For SoCs like Exynos5420 having multiple USB 3.0 DRD PHY controllers, - 'usbdrd_phy' nodes should have numbered alias in the aliases node, - in the form of usbdrdphyN, N = 0, 1... (depending on number of - controllers). -Example: - aliases { - usbdrdphy0 = &usb3_phy0; - usbdrdphy1 = &usb3_phy1; - }; -- 2.32.0
