[PATCH v9 07/13] arm64: dts: mediatek: mt7986: add sram node
Frank Wunderlich
linux at fw-web.de
Wed Jul 9 04:09:43 PDT 2025
From: Frank Wunderlich <frank-w at public-files.de>
Currently sram is allocated in driver via offset from reg of ethernet
node. Change it to use a dedicated sram node like mt7988.
Signed-off-by: Frank Wunderlich <frank-w at public-files.de>
---
arch/arm64/boot/dts/mediatek/mt7986a.dtsi | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
index 559990dcd1d1..550f569451fb 100644
--- a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
@@ -523,7 +523,7 @@ wed1: wed at 15011000 {
eth: ethernet at 15100000 {
compatible = "mediatek,mt7986-eth";
- reg = <0 0x15100000 0 0x80000>;
+ reg = <0 0x15100000 0 0x40000>;
interrupts = <GIC_SPI 196 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 197 IRQ_TYPE_LEVEL_HIGH>,
<GIC_SPI 198 IRQ_TYPE_LEVEL_HIGH>,
@@ -553,6 +553,7 @@ eth: ethernet at 15100000 {
<&topckgen CLK_TOP_SGM_325M_SEL>;
assigned-clock-parents = <&apmixedsys CLK_APMIXED_NET2PLL>,
<&apmixedsys CLK_APMIXED_SGMPLL>;
+ sram = <ð_sram>;
#address-cells = <1>;
#size-cells = <0>;
mediatek,ethsys = <ðsys>;
@@ -562,6 +563,15 @@ eth: ethernet at 15100000 {
status = "disabled";
};
+ /*15100000+0x40000*/
+ eth_sram: sram at 15140000 {
+ compatible = "mmio-sram";
+ reg = <0 0x15140000 0 0x40000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0 0x15140000 0 0x40000>;
+ };
+
wo_ccif0: syscon at 151a5000 {
compatible = "mediatek,mt7986-wo-ccif", "syscon";
reg = <0 0x151a5000 0 0x1000>;
--
2.43.0
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