From mboxrd@z Thu Jan 1 00:00:00 1970 From: kishon@ti.com (Kishon Vijay Abraham I) Date: Mon, 19 May 2014 19:30:19 +0530 Subject: [PATCH 1/4] phy: miphy365x: Add Device Tree bindings for the MiPHY365x In-Reply-To: <20140519135622.GL4978@lee--X1> References: <1398756095-32542-1-git-send-email-lee.jones@linaro.org> <1398756095-32542-2-git-send-email-lee.jones@linaro.org> <20140519135622.GL4978@lee--X1> Message-ID: <537A0E73.9080006@ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi, On Monday 19 May 2014 07:26 PM, Lee Jones wrote: > Kishon, > > Did you receive this set okay? I believe it's still unmerged? I think I missed it. But I'm already done with the PULL REQUEST to greg for 3.16 merge window. Can't we take it through dt tree for miphy? Thanks Kishon > >> The MiPHY365x is a Generic PHY which can serve various SATA or PCIe >> devices. It has 2 ports which it can use for either; both SATA, both >> PCIe or one of each in any configuration. >> >> Cc: Kishon Vijay Abraham I >> Acked-by: Mark Rutland >> Acked-by: Alexandre Torgue >> Signed-off-by: Lee Jones >> --- >> .../devicetree/bindings/phy/phy-miphy365x.txt | 62 ++++++++++++++++++++++ >> 1 file changed, 62 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/phy/phy-miphy365x.txt >> >> diff --git a/Documentation/devicetree/bindings/phy/phy-miphy365x.txt b/Documentation/devicetree/bindings/phy/phy-miphy365x.txt >> new file mode 100644 >> index 0000000..cb39de1 >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/phy/phy-miphy365x.txt >> @@ -0,0 +1,62 @@ >> +STMicroelectronics STi MIPHY365x PHY binding >> +============================================ >> + >> +This binding describes a miphy device that is used to control PHY hardware >> +for SATA and PCIe. >> + >> +Required properties: >> +- compatible : Should be "st,miphy365x-phy" >> +- #phy-cells : Should be 2 (See second example) >> + First cell is the port number from: >> + - MIPHY_PORT_0 >> + - MIPHY_PORT_1 >> + Second cell is device type from: >> + - MIPHY_TYPE_SATA >> + - MIPHY_TYPE_PCI >> +- reg : Address and length of register sets for each device in >> + "reg-names" >> +- reg-names : The names of the register addresses corresponding to the >> + registers filled in "reg", from: >> + - sata0: For SATA port 0 registers >> + - sata1: For SATA port 1 registers >> + - pcie0: For PCIE port 0 registers >> + - pcie1: For PCIE port 1 registers >> +- st,syscfg : Should be a phandle of the system configuration register group >> + which contain the SATA, PCIe mode setting bits >> + >> +Optional properties: >> +- st,sata-gen : Generation of locally attached SATA IP. Expected values >> + are {1,2,3). If not supplied generation 1 hardware will >> + be expected >> +- st,pcie-tx-pol-inv : Bool property to invert the polarity PCIe Tx (Txn/Txp) >> +- st,sata-tx-pol-inv : Bool property to invert the polarity SATA Tx (Txn/Txp) >> + >> +Example: >> + >> + miphy365x_phy: miphy365x at fe382000 { >> + compatible = "st,miphy365x-phy"; >> + #phy-cells = <2>; >> + reg = <0xfe382000 0x100>, >> + <0xfe38a000 0x100>, >> + <0xfe394000 0x100>, >> + <0xfe804000 0x100>; >> + reg-names = "sata0", "sata1", "pcie0", "pcie1"; >> + st,syscfg = <&syscfg_rear>; >> + }; >> + >> +Specifying phy control of devices >> +================================= >> + >> +Device nodes should specify the configuration required in their "phys" >> +property, containing a phandle to the miphy device node, a port number >> +and a device type. >> + >> +Example: >> + >> +#include >> + >> + sata0: sata at fe380000 { >> + ... >> + phys = <&miphy365x_phy MIPHY_PORT_0 MIPHY_TYPE_SATA>; >> + ... >> + }; >