Re: [PATCH v3 3/6] arm64: dts: amlogic: s4: add ao secure node

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On 19/07/2024 10:08, Xianwei Zhao via B4 Relay wrote:
From: Xianwei Zhao <xianwei.zhao@xxxxxxxxxxx>

Add node for board info registers, which allows getting SoC family and
board revision.

For example, with MESON_GX_SOCINFO config enabled we can get the
following information for board with Amlogic S4 SoC:
soc soc0: Amlogic S4 (S805X2) Revision 37:a (2:1) Detecte

Signed-off-by: Xianwei Zhao <xianwei.zhao@xxxxxxxxxxx>
---
  arch/arm64/boot/dts/amlogic/meson-s4.dtsi | 8 ++++++++
  1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-s4.dtsi b/arch/arm64/boot/dts/amlogic/meson-s4.dtsi
index c11c947fa18c..957577d986c0 100644
--- a/arch/arm64/boot/dts/amlogic/meson-s4.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-s4.dtsi
@@ -763,6 +763,14 @@ reset: reset-controller@2000 {
  				#reset-cells = <1>;
  			};
+ sec_ao: ao-secure@10220 {
+				compatible = "amlogic,s4-ao-secure",
+					     "amlogic,meson-gx-ao-secure",
+					     "syscon";
+				reg = <0x0 0x10220 0x0 0x140>;
+				amlogic,has-chip-id;
+			};
+
  			ir: ir@84040 {
  				compatible = "amlogic,meson-s4-ir";
  				reg = <0x0 0x84040 0x0 0x30>;


Reviewed-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx>




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