From 0f0bbb7986c4ee8d5223650217719c4432789c1f Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Mon, 21 Oct 2019 18:13:47 +0200 Subject: dt-bindings: sram: Merge Amlogic SRAM bindings into generic The Amlogic SRAM bindings list only compatible so integrate them into generic SRAM bindings schema. Signed-off-by: Krzysztof Kozlowski Signed-off-by: Rob Herring --- Documentation/devicetree/bindings/sram/sram.yaml | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) (limited to 'Documentation/devicetree/bindings/sram') diff --git a/Documentation/devicetree/bindings/sram/sram.yaml b/Documentation/devicetree/bindings/sram/sram.yaml index d141027e5fe1..2ad398019605 100644 --- a/Documentation/devicetree/bindings/sram/sram.yaml +++ b/Documentation/devicetree/bindings/sram/sram.yaml @@ -65,6 +65,8 @@ patternProperties: Should contain a vendor specific string in the form ,[-] enum: + - amlogic,meson8-smp-sram + - amlogic,meson8b-smp-sram - samsung,exynos4210-sysram - samsung,exynos4210-sysram-ns @@ -163,3 +165,23 @@ examples: reg = <0x53000 0x1000>; }; }; + + - | + // Amlogic's SMP-capable SoCs use part of the sram for the bringup of the cores. + // Once the core gets powered up it executes the code that is residing at a + // specific location. + // + // Therefore a reserved section sub-node has to be added to the mmio-sram + // declaration. + sram@d9000000 { + compatible = "mmio-sram"; + reg = <0xd9000000 0x20000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0 0xd9000000 0x20000>; + + smp-sram@1ff80 { + compatible = "amlogic,meson8b-smp-sram"; + reg = <0x1ff80 0x8>; + }; + }; -- cgit v1.2.3