netdev - [PATCH net-next v4 3/3] arm64: dts: zynqmp: Added GEM reset definitions

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Date:   Thu, 27 Jan 2022 10:37:36 -0600
From:   Robert Hancock <robert.hancock@...ian.com>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, kuba@...nel.org, robh+dt@...nel.org,
        michal.simek@...inx.com, nicolas.ferre@...rochip.com,
        claudiu.beznea@...rochip.com, devicetree@...r.kernel.org,
        linux@...linux.org.uk, laurent.pinchart@...asonboard.com,
        Robert Hancock <robert.hancock@...ian.com>
Subject: [PATCH net-next v4 3/3] arm64: dts: zynqmp: Added GEM reset definitions

The Cadence GEM/MACB driver now utilizes the platform-level reset on the
ZynqMP platform. Add reset definitions to the ZynqMP platform device
tree to allow this to be used.

Signed-off-by: Robert Hancock <robert.hancock@...ian.com>
---
 arch/arm64/boot/dts/xilinx/zynqmp.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
index 74e66443e4ce..9bec3ba20c69 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
+++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
@@ -512,6 +512,8 @@ gem0: ethernet@...b0000 {
 			#stream-id-cells = <1>;
 			iommus = <&smmu 0x874>;
 			power-domains = <&zynqmp_firmware PD_ETH_0>;
+			resets = <&zynqmp_reset ZYNQMP_RESET_GEM0>;
+			reset-names = "gem0_rst";
 		};
 
 		gem1: ethernet@...c0000 {
@@ -526,6 +528,8 @@ gem1: ethernet@...c0000 {
 			#stream-id-cells = <1>;
 			iommus = <&smmu 0x875>;
 			power-domains = <&zynqmp_firmware PD_ETH_1>;
+			resets = <&zynqmp_reset ZYNQMP_RESET_GEM1>;
+			reset-names = "gem1_rst";
 		};
 
 		gem2: ethernet@...d0000 {
@@ -540,6 +544,8 @@ gem2: ethernet@...d0000 {
 			#stream-id-cells = <1>;
 			iommus = <&smmu 0x876>;
 			power-domains = <&zynqmp_firmware PD_ETH_2>;
+			resets = <&zynqmp_reset ZYNQMP_RESET_GEM2>;
+			reset-names = "gem2_rst";
 		};
 
 		gem3: ethernet@...e0000 {
@@ -554,6 +560,8 @@ gem3: ethernet@...e0000 {
 			#stream-id-cells = <1>;
 			iommus = <&smmu 0x877>;
 			power-domains = <&zynqmp_firmware PD_ETH_3>;
+			resets = <&zynqmp_reset ZYNQMP_RESET_GEM3>;
+			reset-names = "gem3_rst";
 		};
 
 		gpio: gpio@...a0000 {
-- 
2.31.1