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dt-bindings: net: cdns,macb: added generic PHY and reset mappings for ZynqMP

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Updated macb DT binding documentation to reflect the phy-names, phys,
resets, reset-names properties which are now used with ZynqMP GEM
devices, and added a ZynqMP-specific DT example.

Signed-off-by: Robert Hancock <robert.hancock@calian.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Robert Hancock 2022-01-27 10:37:34 -06:00 committed by David S. Miller
parent 0a78117213
commit f4ea385a16
1 changed files with 56 additions and 0 deletions
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56
Documentation/devicetree/bindings/net/cdns,macb.yaml
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@ -81,6 +81,25 @@ properties:
phy-handle: true
phys:
maxItems: 1
phy-names:
const: sgmii-phy
description:
Required with ZynqMP SoC when in SGMII mode.
Should reference PS-GTR generic PHY device for this controller
instance. See ZynqMP example.
resets:
maxItems: 1
description:
Recommended with ZynqMP, specify reset control for this
controller instance with zynqmp-reset driver.
reset-names:
maxItems: 1
fixed-link: true
iommus:
@ -157,3 +176,40 @@ examples:
reset-gpios = <&pioE 6 1>;
};
};
- |
#include <dt-bindings/clock/xlnx-zynqmp-clk.h>
#include <dt-bindings/power/xlnx-zynqmp-power.h>
#include <dt-bindings/reset/xlnx-zynqmp-resets.h>
#include <dt-bindings/phy/phy.h>
bus {
#address-cells = <2>;
#size-cells = <2>;
gem1: ethernet@ff0c0000 {
compatible = "cdns,zynqmp-gem", "cdns,gem";
interrupt-parent = <&gic>;
interrupts = <0 59 4>, <0 59 4>;
reg = <0x0 0xff0c0000 0x0 0x1000>;
clocks = <&zynqmp_clk LPD_LSBUS>, <&zynqmp_clk GEM1_REF>,
<&zynqmp_clk GEM1_TX>, <&zynqmp_clk GEM1_RX>,
<&zynqmp_clk GEM_TSU>;
clock-names = "pclk", "hclk", "tx_clk", "rx_clk", "tsu_clk";
#address-cells = <1>;
#size-cells = <0>;
#stream-id-cells = <1>;
iommus = <&smmu 0x875>;
power-domains = <&zynqmp_firmware PD_ETH_1>;
resets = <&zynqmp_reset ZYNQMP_RESET_GEM1>;
reset-names = "gem1_rst";
status = "okay";
phy-mode = "sgmii";
phy-names = "sgmii-phy";
phys = <&psgtr 1 PHY_TYPE_SGMII 1 1>;
fixed-link {
speed = <1000>;
full-duplex;
pause;
};
};
};