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diff --git a/Documentation/devicetree/bindings/phy/samsung-phy.txt b/Documentation/devicetree/bindings/phy/samsung-phy.txt deleted file mode 100644 index 8f51aee91101..000000000000 --- a/Documentation/devicetree/bindings/phy/samsung-phy.txt +++ /dev/null @@ -1,210 +0,0 @@ -Samsung S5P/Exynos SoC series MIPI CSIS/DSIM DPHY -------------------------------------------------- - -Required properties: -- compatible : should be one of the listed compatibles: - - "samsung,s5pv210-mipi-video-phy" - - "samsung,exynos5420-mipi-video-phy" - - "samsung,exynos5433-mipi-video-phy" -- #phy-cells : from the generic phy bindings, must be 1; - -In case of s5pv210 and exynos5420 compatible PHYs: -- syscon - phandle to the PMU system controller - -In case of exynos5433 compatible PHY: - - samsung,pmu-syscon - phandle to the PMU system controller - - samsung,disp-sysreg - phandle to the DISP system registers controller - - samsung,cam0-sysreg - phandle to the CAM0 system registers controller - - samsung,cam1-sysreg - phandle to the CAM1 system registers controller - -For "samsung,s5pv210-mipi-video-phy" compatible PHYs the second cell in -the PHY specifier identifies the PHY and its meaning is as follows: - 0 - MIPI CSIS 0, - 1 - MIPI DSIM 0, - 2 - MIPI CSIS 1, - 3 - MIPI DSIM 1. -"samsung,exynos5420-mipi-video-phy" and "samsung,exynos5433-mipi-video-phy" -supports additional fifth PHY: - 4 - MIPI CSIS 2. - -Samsung Exynos SoC series Display Port PHY -------------------------------------------------- - -Required properties: -- compatible : should be one of the following supported values: - - "samsung,exynos5250-dp-video-phy" - - "samsung,exynos5420-dp-video-phy" -- 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 0; - -Samsung S5P/Exynos SoC series USB PHY -------------------------------------------------- - -Required properties: -- compatible : should be one of the listed compatibles: - - "samsung,exynos3250-usb2-phy" - - "samsung,exynos4210-usb2-phy" - - "samsung,exynos4x12-usb2-phy" - - "samsung,exynos5250-usb2-phy" - - "samsung,exynos5420-usb2-phy" - - "samsung,s5pv210-usb2-phy" -- reg : a list of registers used by phy driver - - first and obligatory is the location of phy modules registers -- samsung,sysreg-phandle - handle to syscon used to control the system registers -- samsung,pmureg-phandle - handle to syscon used to control PMU registers -- #phy-cells : from the generic phy bindings, must be 1; -- clocks and clock-names: - - the "phy" clock is required by the phy module, used as a gate - - the "ref" clock is used to get the rate of the clock provided to the - PHY module - -Optional properties: -- vbus-supply: power-supply phandle for vbus power source - -The first phandle argument in the PHY specifier identifies the PHY, its -meaning is compatible dependent. For the currently supported SoCs (Exynos 4210 -and Exynos 4212) it is as follows: - 0 - USB device ("device"), - 1 - USB host ("host"), - 2 - HSIC0 ("hsic0"), - 3 - HSIC1 ("hsic1"), -Exynos3250 has only USB device phy available as phy 0. - -Exynos 4210 and Exynos 4212 use mode switching and require that mode switch -register is supplied. - -Example: - -For Exynos 4412 (compatible with Exynos 4212): - -usbphy: phy@125b0000 { - compatible = "samsung,exynos4x12-usb2-phy"; - reg = <0x125b0000 0x100>; - clocks = <&clock 305>, <&clock 2>; - clock-names = "phy", "ref"; - #phy-cells = <1>; - samsung,sysreg-phandle = <&sys_reg>; - samsung,pmureg-phandle = <&pmu_reg>; -}; - -Then the PHY can be used in other nodes such as: - -phy-consumer@12340000 { - phys = <&usbphy 2>; - phy-names = "phy"; -}; - -Refer to DT bindings documentation of particular PHY consumer devices for more -information about required PHYs and the way of specification. - -Samsung SATA PHY Controller ---------------------------- - -SATA PHY nodes are defined to describe on-chip SATA Physical layer controllers. -Each SATA PHY controller should have its own node. - -Required properties: -- compatible : compatible list, contains "samsung,exynos5250-sata-phy" -- reg : offset and length of the SATA PHY register set; -- #phy-cells : must be zero -- clocks : must be exactly one entry -- clock-names : must be "sata_phyctrl" -- samsung,exynos-sataphy-i2c-phandle : a phandle to the I2C device, no arguments -- samsung,syscon-phandle : a phandle to the PMU system controller, no arguments - -Example: - sata_phy: sata-phy@12170000 { - compatible = "samsung,exynos5250-sata-phy"; - reg = <0x12170000 0x1ff>; - clocks = <&clock 287>; - clock-names = "sata_phyctrl"; - #phy-cells = <0>; - samsung,exynos-sataphy-i2c-phandle = <&sata_phy_i2c>; - samsung,syscon-phandle = <&pmu_syscon>; - }; - -Device-Tree bindings for sataphy i2c client driver --------------------------------------------------- - -Required properties: -compatible: Should be "samsung,exynos-sataphy-i2c" -- reg: I2C address of the sataphy i2c device. - -Example: - - sata_phy_i2c:sata-phy@38 { - compatible = "samsung,exynos-sataphy-i2c"; - reg = <0x38>; - }; - -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; - }; - -Samsung Exynos SoC series PCIe PHY controller --------------------------------------------------- -Required properties: -- compatible : Should be set to "samsung,exynos5440-pcie-phy" -- #phy-cells : Must be zero -- reg : a register used by phy driver. - - First is for phy register, second is for block register. -- reg-names : Must be set to "phy" and "block". - -Example: - pcie_phy0: pcie-phy@270000 { - #phy-cells = <0>; - compatible = "samsung,exynos5440-pcie-phy"; - reg = <0x270000 0x1000>, <0x271000 0x40>; - reg-names = "phy", "block"; - }; |