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| author | Clément Léger <clement.leger@bootlin.com> | 2024-05-13 10:25:12 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2024-05-14 03:19:59 +0300 |
| commit | ab5588703981e5560cce47988187aa15005c766f (patch) | |
| tree | 28a660383431386d91d1afd496e900da6dfc5b39 /Documentation | |
| parent | 486ffc33c2dd9c611f14adc4b1a5c1dc1f02fd30 (diff) | |
| download | linux-ab5588703981e5560cce47988187aa15005c766f.tar.xz | |
dt-bindings: net: renesas,rzn1-gmac: Document RZ/N1 GMAC support
The RZ/N1 series of MPUs feature up to two Gigabit Ethernet controllers.
These controllers are based on Synopsys IPs. They can be connected to
RZ/N1 RGMII/RMII converters.
Add a binding that describes these GMAC devices.
Signed-off-by: Clément Léger <clement.leger@bootlin.com>
[rgantois: commit log]
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Romain Gantois <romain.gantois@bootlin.com>
Link: https://lore.kernel.org/r/20240513-rzn1-gmac1-v7-1-6acf58b5440d@bootlin.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/net/renesas,rzn1-gmac.yaml | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/net/renesas,rzn1-gmac.yaml b/Documentation/devicetree/bindings/net/renesas,rzn1-gmac.yaml new file mode 100644 index 000000000000..d9a8d586e260 --- /dev/null +++ b/Documentation/devicetree/bindings/net/renesas,rzn1-gmac.yaml @@ -0,0 +1,66 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/net/renesas,rzn1-gmac.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Renesas GMAC + +maintainers: + - Romain Gantois <romain.gantois@bootlin.com> + +select: + properties: + compatible: + contains: + enum: + - renesas,r9a06g032-gmac + - renesas,rzn1-gmac + required: + - compatible + +allOf: + - $ref: snps,dwmac.yaml# + +properties: + compatible: + items: + - enum: + - renesas,r9a06g032-gmac + - const: renesas,rzn1-gmac + - const: snps,dwmac + + pcs-handle: + description: + phandle pointing to a PCS sub-node compatible with + renesas,rzn1-miic.yaml# + +required: + - compatible + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/clock/r9a06g032-sysctrl.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + ethernet@44000000 { + compatible = "renesas,r9a06g032-gmac", "renesas,rzn1-gmac", "snps,dwmac"; + reg = <0x44000000 0x2000>; + interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>, + <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "macirq", "eth_wake_irq", "eth_lpi"; + clock-names = "stmmaceth"; + clocks = <&sysctrl R9A06G032_HCLK_GMAC0>; + power-domains = <&sysctrl>; + snps,multicast-filter-bins = <256>; + snps,perfect-filter-entries = <128>; + tx-fifo-depth = <2048>; + rx-fifo-depth = <4096>; + pcs-handle = <&mii_conv1>; + phy-mode = "mii"; + }; + +... |