[PATCH 11/11] arm64: dts: rp1: Add support for MACB contained in RP1

Andrea della Porta
2024-08-20T14:43:50Z

RaspberryPi RP1 is multi function PCI endpoint device that
exposes several subperipherals via PCI BAR.
Add an ethernet node for Cadence MACB to the RP1 dtso

Signed-off-by: Andrea della Porta <andrea.porta@suse.com>
---
arch/arm64/boot/dts/broadcom/rp1.dtso | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)

diff --git a/arch/arm64/boot/dts/broadcom/rp1.dtso b/arch/arm64/boot/dts/broadcom/rp1.dtso
index d80178a278ee..b40e203c28d5 100644
--- a/arch/arm64/boot/dts/broadcom/rp1.dtso
+++ b/arch/arm64/boot/dts/broadcom/rp1.dtso
@@ -78,6 +78,29 @@ rp1_clocks: clocks@c040018000 {
<50000000>; // RP1_CLK_ETH_TSU
};

+ rp1_eth: ethernet@c040100000 {
+ reg = <0xc0 0x40100000 0x0 0x4000>;
+ compatible = "cdns,macb";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ interrupts = <RP1_INT_ETH IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&macb_pclk &macb_hclk &rp1_clocks RP1_CLK_ETH_TSU>;
+ clock-names = "pclk", "hclk", "tsu_clk";
+ phy-mode = "rgmii-id";
+ cdns,aw2w-max-pipe = /bits/ 8 <8>;
+ cdns,ar2r-max-pipe = /bits/ 8 <8>;
+ cdns,use-aw2b-fill;
+ local-mac-address = [00 00 00 00 00 00];
+ phy-handle = <&phy1>;
+ phy-reset-gpios = <&rp1_gpio 32 GPIO_ACTIVE_LOW>;
+ phy-reset-duration = <5>;
+
+ phy1: ethernet-phy@1 {
+ reg = <0x1>;
+ brcm,powerdown-enable;
+ };
+ };
+
rp1_gpio: pinctrl@c0400d0000 {
reg = <0xc0 0x400d0000 0x0 0xc000>,
<0xc0 0x400e0000 0x0 0xc000>,
--
2.35.3