Adding Joe On 04/11/2016 07:18 AM, Dan Murphy wrote: > Add the device tree bindings and the accompanying documentation > for the TI DP83867 Giga bit ethernet phy driver. > > The original document was from: > [commit 2a10154abcb75ad0d7b6bfea6210ac743ec60897 from the Linux kernel] > > Signed-off-by: Dan Murphy <dmur...@ti.com> > --- > > v5 - Removed /t between define and variable - > https://patchwork.ozlabs.org/patch/608085/ > > doc/device-tree-bindings/net/ti,dp83867.txt | 25 +++++++++++++++++++++ > include/dt-bindings/net/ti-dp83867.h | 35 > +++++++++++++++++++++++++++++ > 2 files changed, 60 insertions(+) > create mode 100644 doc/device-tree-bindings/net/ti,dp83867.txt > create mode 100644 include/dt-bindings/net/ti-dp83867.h > > diff --git a/doc/device-tree-bindings/net/ti,dp83867.txt > b/doc/device-tree-bindings/net/ti,dp83867.txt > new file mode 100644 > index 0000000..cb77fdf > --- /dev/null > +++ b/doc/device-tree-bindings/net/ti,dp83867.txt > @@ -0,0 +1,25 @@ > +* Texas Instruments - dp83867 Giga bit ethernet phy > + > +Required properties: > + - reg - The ID number for the phy, usually a small integer > + - ti,rx-internal-delay - RGMII Recieve Clock Delay - see > dt-bindings/net/ti-dp83867.h > + for applicable values > + - ti,tx-internal-delay - RGMII Transmit Clock Delay - see > dt-bindings/net/ti-dp83867.h > + for applicable values > + - ti,fifo-depth - Transmitt FIFO depth- see dt-bindings/net/ti-dp83867.h > + for applicable values > + > +Default child nodes are standard Ethernet PHY device > +nodes as described in doc/devicetree/bindings/net/ethernet.txt > + > +Example: > + > + ethernet-phy@0 { > + reg = <0>; > + ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_25_NS>; > + ti,tx-internal-delay = <DP83867_RGMIIDCTL_2_75_NS>; > + ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>; > + }; > + > +Datasheet can be found: > +http://www.ti.com/product/DP83867IR/datasheet > diff --git a/include/dt-bindings/net/ti-dp83867.h > b/include/dt-bindings/net/ti-dp83867.h > new file mode 100644 > index 0000000..1843757 > --- /dev/null > +++ b/include/dt-bindings/net/ti-dp83867.h > @@ -0,0 +1,35 @@ > +/* > + * TI DP83867 PHY drivers > + * > + * SPDX-License-Identifier: GPL-2.0 > + * > + */ > + > +#ifndef _DT_BINDINGS_TI_DP83867_H > +#define _DT_BINDINGS_TI_DP83867_H > + > +/* PHY CTRL bits */ > +#define DP83867_PHYCR_FIFO_DEPTH_3_B_NIB 0x00 > +#define DP83867_PHYCR_FIFO_DEPTH_4_B_NIB 0x01 > +#define DP83867_PHYCR_FIFO_DEPTH_6_B_NIB 0x02 > +#define DP83867_PHYCR_FIFO_DEPTH_8_B_NIB 0x03 > + > +/* RGMIIDCTL internal delay for rx and tx */ > +#define DP83867_RGMIIDCTL_250_PS 0x0 > +#define DP83867_RGMIIDCTL_500_PS 0x1 > +#define DP83867_RGMIIDCTL_750_PS 0x2 > +#define DP83867_RGMIIDCTL_1_NS 0x3 > +#define DP83867_RGMIIDCTL_1_25_NS 0x4 > +#define DP83867_RGMIIDCTL_1_50_NS 0x5 > +#define DP83867_RGMIIDCTL_1_75_NS 0x6 > +#define DP83867_RGMIIDCTL_2_00_NS 0x7 > +#define DP83867_RGMIIDCTL_2_25_NS 0x8 > +#define DP83867_RGMIIDCTL_2_50_NS 0x9 > +#define DP83867_RGMIIDCTL_2_75_NS 0xa > +#define DP83867_RGMIIDCTL_3_00_NS 0xb > +#define DP83867_RGMIIDCTL_3_25_NS 0xc > +#define DP83867_RGMIIDCTL_3_50_NS 0xd > +#define DP83867_RGMIIDCTL_3_75_NS 0xe > +#define DP83867_RGMIIDCTL_4_00_NS 0xf > + > +#endif
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