Re: [PATCH v2 1/4] dt-bindings: phy: Add support for QUSB2 phy
From: Vivek Gautam <hidden>
Date: 2016-11-29 05:21:21
Also in:
linux-arm-msm, lkml
Hi Rob, On Mon, Nov 28, 2016 at 7:49 PM, Rob Herring [off-list ref] wrote: Thanks for reviewing the patch.
On Tue, Nov 22, 2016 at 05:32:40PM +0530, Vivek Gautam wrote:quoted
Qualcomm chipsets have QUSB2 phy controller that provides HighSpeed functionality for DWC3 controller. Adding dt binding information for the same. Signed-off-by: Vivek Gautam <redacted> --- Changes since v1: - New patch, forked out of the original driver patch: "phy: qcom-qusb2: New driver for QUSB2 PHY on Qcom chips" - Updated dt bindings to remove 'hstx-trim-bit-offset' and 'hstx-trim-bit-len' bindings. .../devicetree/bindings/phy/qcom-qusb2-phy.txt | 55 ++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 Documentation/devicetree/bindings/phy/qcom-qusb2-phy.txtdiff --git a/Documentation/devicetree/bindings/phy/qcom-qusb2-phy.txt b/Documentation/devicetree/bindings/phy/qcom-qusb2-phy.txt new file mode 100644 index 0000000..38c8b30 --- /dev/null +++ b/Documentation/devicetree/bindings/phy/qcom-qusb2-phy.txt@@ -0,0 +1,55 @@ +Qualcomm QUSB2 phy controller +============================= + +QUSB2 controller supports LS/FS/HS usb connectivity on Qualcomm chipsets. + +Required properties: + - compatible: compatible list, contains "qcom,msm8996-qusb2-phy". + - reg: offset and length of the PHY register set. + - #phy-cells: must be 0. + + - clocks: a list of phandles and clock-specifier pairs, + one for each entry in clock-names. + - clock-names: must be "cfg_ahb" for phy config clock, + "ref_clk" for 19.2 MHz ref clk, + "ref_clk_src" reference clock source. + "iface" for phy interface clock (Optional). + + - vdd-phy-supply: Phandle to a regulator supply to PHY core block. + - vdda-pll-supply: Phandle to 1.8V regulator supply to PHY refclk pll block. + - vdda-phy-dpdm: Phandle to 3.1V regulator supply to Dp/Dm port signals.Needs '-supply'
sure, will add.
quoted
+ + - resets: a list of phandles and reset controller specifier pairs, + one for each entry in reset-names. + - reset-names: must be "phy" for reset of phy block. + +Optional properties: + - nvmem-cells: a list of phandles to nvmem cells that contain fused + tuning parameters for qusb2 phy, one for each entry + in nvmem-cell-names. + - nvmem-cell-names: must be "tune2_hstx_trim_efuse" for cell containing + HS Tx trim value. + + - qcom,tcsr-syscon: Phandle to TCSR syscon register region. + +Example: + hsphy: qusb2phy@7411000 {usb-phy@...
Or may be just 'phy' for the node name, and then label could be 'usb_hs_phy'? [...] Thanks Vivek -- Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project