diff options
Diffstat (limited to 'target/linux/mediatek/patches-5.15/946-arm64-dts-mt7986-move-dlm-in-a-dedicated-node.patch')
| -rw-r--r-- | target/linux/mediatek/patches-5.15/946-arm64-dts-mt7986-move-dlm-in-a-dedicated-node.patch | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/target/linux/mediatek/patches-5.15/946-arm64-dts-mt7986-move-dlm-in-a-dedicated-node.patch b/target/linux/mediatek/patches-5.15/946-arm64-dts-mt7986-move-dlm-in-a-dedicated-node.patch new file mode 100644 index 0000000000..0523ae009d --- /dev/null +++ b/target/linux/mediatek/patches-5.15/946-arm64-dts-mt7986-move-dlm-in-a-dedicated-node.patch @@ -0,0 +1,81 @@ +From 9f76be683a8ec498563c294bc1cc279468058302 Mon Sep 17 00:00:00 2001 +Message-Id: <9f76be683a8ec498563c294bc1cc279468058302.1678719283.git.lorenzo@kernel.org> +From: Lorenzo Bianconi <lorenzo@kernel.org> +Date: Mon, 13 Mar 2023 15:53:30 +0100 +Subject: [PATCH net-next] arm64: dts: mt7986: move dlm in a dedicated node + +Since the dlm memory region is not part of the RAM SoC, move dlm in a +deidicated syscon node. +This patch helps to keep backward-compatibility with older version of +uboot codebase where we have a limit of 8 reserved-memory dts child +nodes. + +Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> +--- + arch/arm64/boot/dts/mediatek/mt7986a.dtsi | 30 ++++++++++++----------- + 1 file changed, 16 insertions(+), 14 deletions(-) + +--- a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi ++++ b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi +@@ -101,16 +101,6 @@ + reg = <0 0x4fd80000 0 0x240000>; + no-map; + }; +- +- wo_dlm0: wo-dlm@151e8000 { +- reg = <0 0x151e8000 0 0x2000>; +- no-map; +- }; +- +- wo_dlm1: wo-dlm@151f8000 { +- reg = <0 0x151f8000 0 0x2000>; +- no-map; +- }; + }; + + timer { +@@ -609,10 +599,11 @@ + reg = <0 0x15010000 0 0x1000>; + interrupt-parent = <&gic>; + interrupts = <GIC_SPI 205 IRQ_TYPE_LEVEL_HIGH>; +- memory-region = <&wo_emi0>, <&wo_dlm0>, <&wo_data>; +- memory-region-names = "wo-emi", "wo-dlm", "wo-data"; ++ memory-region = <&wo_emi0>, <&wo_data>; ++ memory-region-names = "wo-emi", "wo-data"; + mediatek,wo-ccif = <&wo_ccif0>; + mediatek,wo-ilm = <&wo_ilm0>; ++ mediatek,wo-dlm = <&wo_dlm0>; + mediatek,wo-cpuboot = <&wo_cpuboot>; + }; + +@@ -622,10 +613,11 @@ + reg = <0 0x15011000 0 0x1000>; + interrupt-parent = <&gic>; + interrupts = <GIC_SPI 206 IRQ_TYPE_LEVEL_HIGH>; +- memory-region = <&wo_emi1>, <&wo_dlm1>, <&wo_data>; +- memory-region-names = "wo-emi", "wo-dlm", "wo-data"; ++ memory-region = <&wo_emi1>, <&wo_data>; ++ memory-region-names = "wo-emi", "wo-data"; + mediatek,wo-ccif = <&wo_ccif1>; + mediatek,wo-ilm = <&wo_ilm1>; ++ mediatek,wo-dlm = <&wo_dlm1>; + mediatek,wo-cpuboot = <&wo_cpuboot>; + }; + +@@ -653,6 +645,16 @@ + reg = <0 0x151f0000 0 0x8000>; + }; + ++ wo_dlm0: syscon@151e8000 { ++ compatible = "mediatek,mt7986-wo-dlm", "syscon"; ++ reg = <0 0x151e8000 0 0x2000>; ++ }; ++ ++ wo_dlm1: syscon@151f8000 { ++ compatible = "mediatek,mt7986-wo-dlm", "syscon"; ++ reg = <0 0x151f8000 0 0x2000>; ++ }; ++ + wo_cpuboot: syscon@15194000 { + compatible = "mediatek,mt7986-wo-cpuboot", "syscon"; + reg = <0 0x15194000 0 0x1000>; |