[PATCH 2/3] dt-bindings: arm: amlogic: Add SoC information bindings
From: Neil Armstrong <hidden>
Date: 2017-03-31 08:48:39
Also in:
linux-amlogic, linux-devicetree, lkml
Subsystem:
open firmware and flattened device tree bindings, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Add bindings for the SoC information register of the Amlogic SoCs. Signed-off-by: Neil Armstrong <redacted> --- Documentation/devicetree/bindings/arm/amlogic.txt | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+)
diff --git a/Documentation/devicetree/bindings/arm/amlogic.txt b/Documentation/devicetree/bindings/arm/amlogic.txt
index bfd5b55..b850985 100644
--- a/Documentation/devicetree/bindings/arm/amlogic.txt
+++ b/Documentation/devicetree/bindings/arm/amlogic.txt@@ -52,3 +52,23 @@ Board compatible values: - "amlogic,q201" (Meson gxm s912) - "nexbox,a95x" (Meson gxbb or Meson gxl s905x) - "nexbox,a1" (Meson gxm s912) + +Amlogic Meson GX SoCs Information +---------------------------------- + +The Meson SoCs have a Product Register that allows to retrieve SoC type, +package and revision information. If present, a device node for this register +should be added. + +Required properties: + - compatible: For Meson GX SoCs, must be "amlogic,meson-gx-socinfo". + - reg: Base address and length of the register block. + +Examples +-------- + + chipid at 220 { + compatible = "amlogic,meson-gx-socinfo"; + reg = <0x0 0x00220 0x0 0x4>; + }; +
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1.9.1