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authorLad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>2025-10-28 17:54:55 +0000
committerGeert Uytterhoeven <geert+renesas@glider.be>2025-11-12 11:17:03 +0100
commit5d06389a0587647bb44d65db01328b2fa85257da (patch)
treec4de6c53d985ed24f199383767ec58dc41885b5f
parentfea7a8b7d7b538974f097a1771f63de9b0ee2259 (diff)
arm64: dts: renesas: r9a09g087: Add ETHSS node
Add an Ethernet Switch Subsystem (ETHSS) device node to the RZ/N2H (R9A09G087) SoC. The ETHSS IP block is responsible for handling MII pass-through or conversion to RMII/RGMII. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Link: https://patch.msgid.link/20251028175458.1037397-3-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
-rw-r--r--arch/arm64/boot/dts/renesas/r9a09g087.dtsi37
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/renesas/r9a09g087.dtsi b/arch/arm64/boot/dts/renesas/r9a09g087.dtsi
index 3ece794fb0a7..fe0087a7d4b4 100644
--- a/arch/arm64/boot/dts/renesas/r9a09g087.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a09g087.dtsi
@@ -270,6 +270,43 @@
status = "disabled";
};
+ ethss: ethss@80110000 {
+ compatible = "renesas,r9a09g087-miic", "renesas,r9a09g077-miic";
+ reg = <0 0x80110000 0 0x10000>;
+ clocks = <&cpg CPG_CORE R9A09G087_ETCLKE>,
+ <&cpg CPG_CORE R9A09G087_ETCLKB>,
+ <&cpg CPG_CORE R9A09G087_ETCLKD>,
+ <&cpg CPG_MOD 403>;
+ clock-names = "mii_ref", "rgmii_ref", "rmii_ref", "hclk";
+ resets = <&cpg 405>, <&cpg 406>;
+ reset-names = "rst", "crst";
+ power-domains = <&cpg>;
+ status = "disabled";
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ mii_conv0: mii-conv@0 {
+ reg = <0>;
+ status = "disabled";
+ };
+
+ mii_conv1: mii-conv@1 {
+ reg = <1>;
+ status = "disabled";
+ };
+
+ mii_conv2: mii-conv@2 {
+ reg = <2>;
+ status = "disabled";
+ };
+
+ mii_conv3: mii-conv@3 {
+ reg = <3>;
+ status = "disabled";
+ };
+ };
+
cpg: clock-controller@80280000 {
compatible = "renesas,r9a09g087-cpg-mssr";
reg = <0 0x80280000 0 0x1000>,