Re: [PATCH v3 6/6] arm64: dts: amlogic: a4: 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 A4 SoC:
soc soc0: Amlogic A4 (A113L2) Revision 40:b (1:1) Detected.

Signed-off-by: Xianwei Zhao <xianwei.zhao@xxxxxxxxxxx>
---
  arch/arm64/boot/dts/amlogic/amlogic-a4-common.dtsi | 8 ++++++++
  1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/amlogic-a4-common.dtsi b/arch/arm64/boot/dts/amlogic/amlogic-a4-common.dtsi
index 496c3a2bcf25..54d7a2d56ef6 100644
--- a/arch/arm64/boot/dts/amlogic/amlogic-a4-common.dtsi
+++ b/arch/arm64/boot/dts/amlogic/amlogic-a4-common.dtsi
@@ -67,6 +67,14 @@ uart_b: serial@7a000 {
  				clock-names = "xtal", "pclk", "baud";
  				status = "disabled";
  			};
+
+			sec_ao: ao-secure@10220 {
+				compatible = "amlogic,a4-ao-secure",
+					     "amlogic,meson-gx-ao-secure",
+					     "syscon";
+				reg = <0x0 0x10220 0x0 0x140>;
+				amlogic,has-chip-id;
+			};
  		};
  	};
  };


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




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