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Message-ID: <1501755607.25536.109.camel@mhfsdcap03>
Date: Thu, 3 Aug 2017 18:20:07 +0800
From: Chunfeng Yun <chunfeng.yun@...iatek.com>
To: Kishon Vijay Abraham I <kishon@...com>
CC: Matthias Brugger <matthias.bgg@...il.com>,
Felipe Balbi <felipe.balbi@...ux.intel.com>,
Rob Herring <robh+dt@...nel.org>,
"Mark Rutland" <mark.rutland@....com>,
Ian Campbell <ijc+devicetree@...lion.org.uk>,
Ryder Lee <ryder.lee@...iatek.com>,
<linux-kernel@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-usb@...r.kernel.org>, <linux-mediatek@...ts.infradead.org>,
<devicetree@...r.kernel.org>
Subject: Re: [PATCH 4/4] dt-bindings: phy-mt65xx-usb: supports PCIe, SATA
and rename file
hi,
I made a mistake, please ignore the patches with Change-Id, very sorry
On Thu, 2017-08-03 at 18:01 +0800, Chunfeng Yun wrote:
> add support for PCIe and SATA, also add some new compatibles.
>
> due to phy-mt65xx-usb.txt holds the bindings for all mediatek SoCs
> with T-PHY controller, change the name to phy-mtk-tphy.txt to
> reflect that.
>
> Change-Id: I2d9200d4c8768dc301a4c116fe0e9b8179d5911c
> Signed-off-by: Chunfeng Yun <chunfeng.yun@...iatek.com>
> ---
> .../devicetree/bindings/phy/phy-mt65xx-usb.txt | 137 -------------------
> .../devicetree/bindings/phy/phy-mtk-tphy.txt | 144 ++++++++++++++++++++
> 2 files changed, 144 insertions(+), 137 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/phy/phy-mt65xx-usb.txt
> create mode 100644 Documentation/devicetree/bindings/phy/phy-mtk-tphy.txt
>
> diff --git a/Documentation/devicetree/bindings/phy/phy-mt65xx-usb.txt b/Documentation/devicetree/bindings/phy/phy-mt65xx-usb.txt
> deleted file mode 100644
> index 0acc5a9..0000000
> --- a/Documentation/devicetree/bindings/phy/phy-mt65xx-usb.txt
> +++ /dev/null
> @@ -1,137 +0,0 @@
> -mt65xx USB3.0 PHY binding
> ---------------------------
> -
> -This binding describes a usb3.0 phy for mt65xx platforms of Medaitek SoC.
> -
> -Required properties (controller (parent) node):
> - - compatible : should be one of
> - "mediatek,mt2701-u3phy"
> - "mediatek,mt2712-u3phy"
> - "mediatek,mt8173-u3phy"
> - - clocks : (deprecated, use port's clocks instead) a list of phandle +
> - clock-specifier pairs, one for each entry in clock-names
> - - clock-names : (deprecated, use port's one instead) must contain
> - "u3phya_ref": for reference clock of usb3.0 analog phy.
> -
> -Required nodes : a sub-node is required for each port the controller
> - provides. Address range information including the usual
> - 'reg' property is used inside these nodes to describe
> - the controller's topology.
> -
> -Optional properties (controller (parent) node):
> - - reg : offset and length of register shared by multiple ports,
> - exclude port's private register. It is needed on mt2701
> - and mt8173, but not on mt2712.
> -
> -Required properties (port (child) node):
> -- reg : address and length of the register set for the port.
> -- clocks : a list of phandle + clock-specifier pairs, one for each
> - entry in clock-names
> -- clock-names : must contain
> - "ref": 48M reference clock for HighSpeed analog phy; and 26M
> - reference clock for SuperSpeed analog phy, sometimes is
> - 24M, 25M or 27M, depended on platform.
> -- #phy-cells : should be 1 (See second example)
> - cell after port phandle is phy type from:
> - - PHY_TYPE_USB2
> - - PHY_TYPE_USB3
> -
> -Example:
> -
> -u3phy: usb-phy@...90000 {
> - compatible = "mediatek,mt8173-u3phy";
> - reg = <0 0x11290000 0 0x800>;
> - #address-cells = <2>;
> - #size-cells = <2>;
> - ranges;
> - status = "okay";
> -
> - u2port0: usb-phy@...90800 {
> - reg = <0 0x11290800 0 0x100>;
> - clocks = <&apmixedsys CLK_APMIXED_REF2USB_TX>;
> - clock-names = "ref";
> - #phy-cells = <1>;
> - status = "okay";
> - };
> -
> - u3port0: usb-phy@...90900 {
> - reg = <0 0x11290800 0 0x700>;
> - clocks = <&clk26m>;
> - clock-names = "ref";
> - #phy-cells = <1>;
> - status = "okay";
> - };
> -
> - u2port1: usb-phy@...91000 {
> - reg = <0 0x11291000 0 0x100>;
> - clocks = <&apmixedsys CLK_APMIXED_REF2USB_TX>;
> - clock-names = "ref";
> - #phy-cells = <1>;
> - status = "okay";
> - };
> -};
> -
> -Specifying phy control of devices
> ----------------------------------
> -
> -Device nodes should specify the configuration required in their "phys"
> -property, containing a phandle to the phy port node and a device type;
> -phy-names for each port are optional.
> -
> -Example:
> -
> -#include <dt-bindings/phy/phy.h>
> -
> -usb30: usb@...70000 {
> - ...
> - phys = <&u2port0 PHY_TYPE_USB2>, <&u3port0 PHY_TYPE_USB3>;
> - phy-names = "usb2-0", "usb3-0";
> - ...
> -};
> -
> -
> -Layout differences of banks between mt8173/mt2701 and mt2712
> --------------------------------------------------------------
> -mt8173 and mt2701:
> -port offset bank
> -shared 0x0000 SPLLC
> - 0x0100 FMREG
> -u2 port0 0x0800 U2PHY_COM
> -u3 port0 0x0900 U3PHYD
> - 0x0a00 U3PHYD_BANK2
> - 0x0b00 U3PHYA
> - 0x0c00 U3PHYA_DA
> -u2 port1 0x1000 U2PHY_COM
> -u3 port1 0x1100 U3PHYD
> - 0x1200 U3PHYD_BANK2
> - 0x1300 U3PHYA
> - 0x1400 U3PHYA_DA
> -u2 port2 0x1800 U2PHY_COM
> - ...
> -
> -mt2712:
> -port offset bank
> -u2 port0 0x0000 MISC
> - 0x0100 FMREG
> - 0x0300 U2PHY_COM
> -u3 port0 0x0700 SPLLC
> - 0x0800 CHIP
> - 0x0900 U3PHYD
> - 0x0a00 U3PHYD_BANK2
> - 0x0b00 U3PHYA
> - 0x0c00 U3PHYA_DA
> -u2 port1 0x1000 MISC
> - 0x1100 FMREG
> - 0x1300 U2PHY_COM
> -u3 port1 0x1700 SPLLC
> - 0x1800 CHIP
> - 0x1900 U3PHYD
> - 0x1a00 U3PHYD_BANK2
> - 0x1b00 U3PHYA
> - 0x1c00 U3PHYA_DA
> -u2 port2 0x2000 MISC
> - ...
> -
> - SPLLC shared by u3 ports and FMREG shared by u2 ports on
> -mt8173/mt2701 are put back into each port; a new bank MISC for
> -u2 ports and CHIP for u3 ports are added on mt2712.
> diff --git a/Documentation/devicetree/bindings/phy/phy-mtk-tphy.txt b/Documentation/devicetree/bindings/phy/phy-mtk-tphy.txt
> new file mode 100644
> index 0000000..faf1808
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/phy/phy-mtk-tphy.txt
> @@ -0,0 +1,144 @@
> +MediaTek T-PHY binding
> +--------------------------
> +
> +T-phy controller supports physical layer functionality for a number of
> +controllers on MediaTek SoCs, such as, USB2.0, USB3.0, PCIe, and SATA.
> +
> +Required properties (controller (parent) node):
> + - compatible : should be one of
> + "mediatek,generic-tphy-v1"
> + "mediatek,generic-tphy-v2"
> + "mediatek,mt2701-u3phy" (deprecated)
> + "mediatek,mt2712-u3phy" (deprecated)
> + "mediatek,mt8173-u3phy";
> + make use of "mediatek,generic-tphy-v1" on mt2701 instead and
> + "mediatek,generic-tphy-v2" on mt2712 instead.
> + - clocks : (deprecated, use port's clocks instead) a list of phandle +
> + clock-specifier pairs, one for each entry in clock-names
> + - clock-names : (deprecated, use port's one instead) must contain
> + "u3phya_ref": for reference clock of usb3.0 analog phy.
> +
> +Required nodes : a sub-node is required for each port the controller
> + provides. Address range information including the usual
> + 'reg' property is used inside these nodes to describe
> + the controller's topology.
> +
> +Optional properties (controller (parent) node):
> + - reg : offset and length of register shared by multiple ports,
> + exclude port's private register. It is needed on mt2701
> + and mt8173, but not on mt2712.
> +
> +Required properties (port (child) node):
> +- reg : address and length of the register set for the port.
> +- clocks : a list of phandle + clock-specifier pairs, one for each
> + entry in clock-names
> +- clock-names : must contain
> + "ref": 48M reference clock for HighSpeed analog phy; and 26M
> + reference clock for SuperSpeed analog phy, sometimes is
> + 24M, 25M or 27M, depended on platform.
> +- #phy-cells : should be 1 (See second example)
> + cell after port phandle is phy type from:
> + - PHY_TYPE_USB2
> + - PHY_TYPE_USB3
> + - PHY_TYPE_PCIE
> + - PHY_TYPE_SATA
> +
> +Example:
> +
> +u3phy: usb-phy@...90000 {
> + compatible = "mediatek,mt8173-u3phy";
> + reg = <0 0x11290000 0 0x800>;
> + #address-cells = <2>;
> + #size-cells = <2>;
> + ranges;
> + status = "okay";
> +
> + u2port0: usb-phy@...90800 {
> + reg = <0 0x11290800 0 0x100>;
> + clocks = <&apmixedsys CLK_APMIXED_REF2USB_TX>;
> + clock-names = "ref";
> + #phy-cells = <1>;
> + status = "okay";
> + };
> +
> + u3port0: usb-phy@...90900 {
> + reg = <0 0x11290800 0 0x700>;
> + clocks = <&clk26m>;
> + clock-names = "ref";
> + #phy-cells = <1>;
> + status = "okay";
> + };
> +
> + u2port1: usb-phy@...91000 {
> + reg = <0 0x11291000 0 0x100>;
> + clocks = <&apmixedsys CLK_APMIXED_REF2USB_TX>;
> + clock-names = "ref";
> + #phy-cells = <1>;
> + status = "okay";
> + };
> +};
> +
> +Specifying phy control of devices
> +---------------------------------
> +
> +Device nodes should specify the configuration required in their "phys"
> +property, containing a phandle to the phy port node and a device type;
> +phy-names for each port are optional.
> +
> +Example:
> +
> +#include <dt-bindings/phy/phy.h>
> +
> +usb30: usb@...70000 {
> + ...
> + phys = <&u2port0 PHY_TYPE_USB2>, <&u3port0 PHY_TYPE_USB3>;
> + phy-names = "usb2-0", "usb3-0";
> + ...
> +};
> +
> +
> +Layout differences of banks between mt8173/mt2701 and mt2712
> +-------------------------------------------------------------
> +mt8173 and mt2701:
> +port offset bank
> +shared 0x0000 SPLLC
> + 0x0100 FMREG
> +u2 port0 0x0800 U2PHY_COM
> +u3 port0 0x0900 U3PHYD
> + 0x0a00 U3PHYD_BANK2
> + 0x0b00 U3PHYA
> + 0x0c00 U3PHYA_DA
> +u2 port1 0x1000 U2PHY_COM
> +u3 port1 0x1100 U3PHYD
> + 0x1200 U3PHYD_BANK2
> + 0x1300 U3PHYA
> + 0x1400 U3PHYA_DA
> +u2 port2 0x1800 U2PHY_COM
> + ...
> +
> +mt2712:
> +port offset bank
> +u2 port0 0x0000 MISC
> + 0x0100 FMREG
> + 0x0300 U2PHY_COM
> +u3 port0 0x0700 SPLLC
> + 0x0800 CHIP
> + 0x0900 U3PHYD
> + 0x0a00 U3PHYD_BANK2
> + 0x0b00 U3PHYA
> + 0x0c00 U3PHYA_DA
> +u2 port1 0x1000 MISC
> + 0x1100 FMREG
> + 0x1300 U2PHY_COM
> +u3 port1 0x1700 SPLLC
> + 0x1800 CHIP
> + 0x1900 U3PHYD
> + 0x1a00 U3PHYD_BANK2
> + 0x1b00 U3PHYA
> + 0x1c00 U3PHYA_DA
> +u2 port2 0x2000 MISC
> + ...
> +
> + SPLLC shared by u3 ports and FMREG shared by u2 ports on
> +mt8173/mt2701 are put back into each port; a new bank MISC for
> +u2 ports and CHIP for u3 ports are added on mt2712.
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