[PATCH v9 07/13] arm64: dts: mediatek: mt7986: add sram node
From: Frank Wunderlich <hidden>
Date: 2025-07-09 11:12:06
Also in:
linux-arm-kernel, linux-devicetree, linux-mediatek, linux-pm, lkml
Subsystem:
arm/mediatek soc support, the rest · Maintainers:
Matthias Brugger, AngeloGioacchino Del Regno, Linus Torvalds
From: Frank Wunderlich <redacted> 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 <redacted> --- 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@15011000 { eth: ethernet@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@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@15100000 { status = "disabled"; }; + /*15100000+0x40000*/ + eth_sram: sram@15140000 { + compatible = "mmio-sram"; + reg = <0 0x15140000 0 0x40000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0x15140000 0 0x40000>; + }; + wo_ccif0: syscon@151a5000 { compatible = "mediatek,mt7986-wo-ccif", "syscon"; reg = <0 0x151a5000 0 0x1000>;
--
2.43.0