| Message ID | 1392622244-18015-3-git-send-email-dinguyen@altera.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Mon, Feb 17, 2014 at 01:30:44AM -0600, dinguyen@altera.com wrote: > From: Dinh Nguyen <dinguyen@altera.com> > > Introduce "altr,socfpga-dw-mshc" to enable Altera's SOCFPGA platform specific > implementation of the dwc_mmc driver. > > Also add the "syscon" binding to the "altr,sys-mgr" node. The clock > driver can use the syscon driver to toggle the register for the SD/MMC > clock phase shift settings. > > Signed-off-by: Dinh Nguyen <dinguyen@altera.com> > Cc: Rob Herring <robh+dt@kernel.org> > Cc: Pawel Moll <pawel.moll@arm.com> > Cc: Mark Rutland <mark.rutland@arm.com> > Cc: Ian Campbell <ijc+devicetree@hellion.org.uk> > Cc: Kumar Gala <galak@codeaurora.org> > Cc: Seungwon Jeon <tgih.jun@samsung.com> > Cc: Jaehoon Chung <jh80.chung@samsung.com> > Cc: Chris Ball <chris@printf.net> > --- > .../devicetree/bindings/mmc/socfpga-dw-mshc.txt | 23 ++++++++++++++++++++ > arch/arm/boot/dts/socfpga.dtsi | 13 ++++++++++- > arch/arm/boot/dts/socfpga_arria5.dtsi | 11 ++++++++++ > arch/arm/boot/dts/socfpga_cyclone5.dtsi | 11 ++++++++++ > arch/arm/boot/dts/socfpga_vt.dts | 11 ++++++++++ > 5 files changed, 68 insertions(+), 1 deletion(-) > create mode 100644 Documentation/devicetree/bindings/mmc/socfpga-dw-mshc.txt > > diff --git a/Documentation/devicetree/bindings/mmc/socfpga-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/socfpga-dw-mshc.txt > new file mode 100644 > index 0000000..4897bea > --- /dev/null > +++ b/Documentation/devicetree/bindings/mmc/socfpga-dw-mshc.txt > @@ -0,0 +1,23 @@ > +* Altera SOCFPGA specific extensions to the Synopsys Designware Mobile > + Storage Host Controller > + > +The Synopsys designware mobile storage host controller is used to interface > +a SoC with storage medium such as eMMC or SD/MMC cards. This file documents > +differences between the core Synopsys dw mshc controller properties described > +by synopsys-dw-mshc.txt and the properties used by the Altera SOCFPGA specific > +extensions to the Synopsys Designware Mobile Storage Host Controller. > + > +Required Properties: > + > +* compatible: should be > + - "altr,socfpga-dw-mshc": for Altera's SOCFPGA platform > + > +Example: > + > + mmc: dwmmc0@ff704000 { > + compatible = "altr,socfpga-dw-mshc"; > + reg = <0xff704000 0x1000>; > + interrupts = <0 129 4>; > + #address-cells = <1>; > + #size-cells = <0>; > + }; > diff --git a/arch/arm/boot/dts/socfpga.dtsi b/arch/arm/boot/dts/socfpga.dtsi > index 3d62f47..967e27f 100644 > --- a/arch/arm/boot/dts/socfpga.dtsi > +++ b/arch/arm/boot/dts/socfpga.dtsi > @@ -474,6 +474,17 @@ > arm,data-latency = <2 1 1>; > }; > > + mmc: dwmmc0@ff704000 { > + compatible = "altr,socfpga-dw-mshc"; > + reg = <0xff704000 0x1000>; > + interrupts = <0 139 4>; > + fifo-depth = <0x400>; > + #address-cells = <1>; > + #size-cells = <0>; > + clocks = <&l4_mp_clk>, <&sdmmc_clk>; > + clock-names = "biu", "ciu"; > + }; > + > /* Local timer */ > timer@fffec600 { > compatible = "arm,cortex-a9-twd-timer"; > @@ -528,7 +539,7 @@ > }; > > sysmgr@ffd08000 { > - compatible = "altr,sys-mgr"; > + compatible = "altr,sys-mgr", "syscon"; > reg = <0xffd08000 0x4000>; > }; > }; Could you also fix the indentation here, while your touching the node? This one seems to be the only one left, that uses weird indentation. Regards, Steffen
diff --git a/Documentation/devicetree/bindings/mmc/socfpga-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/socfpga-dw-mshc.txt new file mode 100644 index 0000000..4897bea --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/socfpga-dw-mshc.txt @@ -0,0 +1,23 @@ +* Altera SOCFPGA specific extensions to the Synopsys Designware Mobile + Storage Host Controller + +The Synopsys designware mobile storage host controller is used to interface +a SoC with storage medium such as eMMC or SD/MMC cards. This file documents +differences between the core Synopsys dw mshc controller properties described +by synopsys-dw-mshc.txt and the properties used by the Altera SOCFPGA specific +extensions to the Synopsys Designware Mobile Storage Host Controller. + +Required Properties: + +* compatible: should be + - "altr,socfpga-dw-mshc": for Altera's SOCFPGA platform + +Example: + + mmc: dwmmc0@ff704000 { + compatible = "altr,socfpga-dw-mshc"; + reg = <0xff704000 0x1000>; + interrupts = <0 129 4>; + #address-cells = <1>; + #size-cells = <0>; + }; diff --git a/arch/arm/boot/dts/socfpga.dtsi b/arch/arm/boot/dts/socfpga.dtsi index 3d62f47..967e27f 100644 --- a/arch/arm/boot/dts/socfpga.dtsi +++ b/arch/arm/boot/dts/socfpga.dtsi @@ -474,6 +474,17 @@ arm,data-latency = <2 1 1>; }; + mmc: dwmmc0@ff704000 { + compatible = "altr,socfpga-dw-mshc"; + reg = <0xff704000 0x1000>; + interrupts = <0 139 4>; + fifo-depth = <0x400>; + #address-cells = <1>; + #size-cells = <0>; + clocks = <&l4_mp_clk>, <&sdmmc_clk>; + clock-names = "biu", "ciu"; + }; + /* Local timer */ timer@fffec600 { compatible = "arm,cortex-a9-twd-timer"; @@ -528,7 +539,7 @@ }; sysmgr@ffd08000 { - compatible = "altr,sys-mgr"; + compatible = "altr,sys-mgr", "syscon"; reg = <0xffd08000 0x4000>; }; }; diff --git a/arch/arm/boot/dts/socfpga_arria5.dtsi b/arch/arm/boot/dts/socfpga_arria5.dtsi index a85b404..6c87b70 100644 --- a/arch/arm/boot/dts/socfpga_arria5.dtsi +++ b/arch/arm/boot/dts/socfpga_arria5.dtsi @@ -27,6 +27,17 @@ }; }; + dwmmc0@ff704000 { + num-slots = <1>; + supports-highspeed; + broken-cd; + + slot@0 { + reg = <0>; + bus-width = <4>; + }; + }; + serial0@ffc02000 { clock-frequency = <100000000>; }; diff --git a/arch/arm/boot/dts/socfpga_cyclone5.dtsi b/arch/arm/boot/dts/socfpga_cyclone5.dtsi index a8716f6..ca41b0e 100644 --- a/arch/arm/boot/dts/socfpga_cyclone5.dtsi +++ b/arch/arm/boot/dts/socfpga_cyclone5.dtsi @@ -28,6 +28,17 @@ }; }; + dwmmc0@ff704000 { + num-slots = <1>; + supports-highspeed; + broken-cd; + + slot@0 { + reg = <0>; + bus-width = <4>; + }; + }; + ethernet@ff702000 { phy-mode = "rgmii"; phy-addr = <0xffffffff>; /* probe for phy addr */ diff --git a/arch/arm/boot/dts/socfpga_vt.dts b/arch/arm/boot/dts/socfpga_vt.dts index d1ec0ca..222313f 100644 --- a/arch/arm/boot/dts/socfpga_vt.dts +++ b/arch/arm/boot/dts/socfpga_vt.dts @@ -41,6 +41,17 @@ }; }; + dwmmc0@ff704000 { + num-slots = <1>; + supports-highspeed; + broken-cd; + + slot@0 { + reg = <0>; + bus-width = <4>; + }; + }; + ethernet@ff700000 { phy-mode = "gmii"; status = "okay";