diff options
| author | John Crispin <blogic@openwrt.org> | 2018-03-15 07:22:36 +1100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-03-19 19:56:02 +0100 |
| commit | eb4afe300231100c5c2333cb327f0ec3e9c74c81 (patch) | |
| tree | 03bd75e6301d42f54d3ea7f473b620b0de70c945 /drivers/staging/mt7621-eth | |
| parent | 8b634a9c7620b15691322cd53071122d2ab249a7 (diff) | |
staging: mt7621-eth: Document ralink/mediatek SoC ethernet binding
Add possible dt binding for mediatek gigabit switches.
Signed-off-by: John Crispin <blogic@openwrt.org>
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Michael Lee <igvtee@gmail.com>
Cc: devicetree@vger.kernel.org
Signed-off-by: NeilBrown <neil@brown.name>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/mt7621-eth')
| -rw-r--r-- | drivers/staging/mt7621-eth/Documentation/devicetree/bindings/net/mediatek-net-gsw.txt | 48 | ||||
| -rw-r--r-- | drivers/staging/mt7621-eth/TODO | 4 |
2 files changed, 52 insertions, 0 deletions
diff --git a/drivers/staging/mt7621-eth/Documentation/devicetree/bindings/net/mediatek-net-gsw.txt b/drivers/staging/mt7621-eth/Documentation/devicetree/bindings/net/mediatek-net-gsw.txt new file mode 100644 index 000000000000..596b38552697 --- /dev/null +++ b/drivers/staging/mt7621-eth/Documentation/devicetree/bindings/net/mediatek-net-gsw.txt @@ -0,0 +1,48 @@ +Mediatek Gigabit Switch +======================= + +The mediatek gigabit switch can be found on Mediatek SoCs. + +Required properties: +- compatible: Should be "mediatek,mt7620-gsw", "mediatek,mt7621-gsw", + "mediatek,mt7623-gsw" +- reg: Address and length of the register set for the device +- interrupts: Should contain the gigabit switches interrupt + + +Additional required properties for ARM based SoCs: +- mediatek,reset-pin: phandle describing the reset GPIO +- clocks: the clocks used by the switch +- clock-names: the names of the clocks listed in the clocks property + these should be "trgpll", "esw", "gp2", "gp1" +- mt7530-supply: the phandle of the regulator used to power the switch +- mediatek,pctl-regmap: phandle to the port control regmap. this is used to + setup the drive current + + +Optional properties: +- interrupt-parent: Should be the phandle for the interrupt controller + that services interrupts for this device + +Example: + +gsw: switch@1b100000 { + compatible = "mediatek,mt7623-gsw"; + reg = <0 0x1b110000 0 0x300000>; + + interrupt-parent = <&pio>; + interrupts = <168 IRQ_TYPE_EDGE_RISING>; + + clocks = <&apmixedsys CLK_APMIXED_TRGPLL>, + <ðsys CLK_ETHSYS_ESW>, + <ðsys CLK_ETHSYS_GP2>, + <ðsys CLK_ETHSYS_GP1>; + clock-names = "trgpll", "esw", "gp2", "gp1"; + + mt7530-supply = <&mt6323_vpa_reg>; + + mediatek,pctl-regmap = <&syscfg_pctl_a>; + mediatek,reset-pin = <&pio 15 0>; + + status = "okay"; +}; diff --git a/drivers/staging/mt7621-eth/TODO b/drivers/staging/mt7621-eth/TODO new file mode 100644 index 000000000000..5f269af0db5c --- /dev/null +++ b/drivers/staging/mt7621-eth/TODO @@ -0,0 +1,4 @@ + +- verify devicetree documentation is consistent with code + +Cc: NeilBrown <neil@brown.name> |