linux-kernel - [PATCH 4/5] arm64: dts: ti: k3-am65: Add chipid node to wkup

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Message-ID: <20231117140910.8747-4-afd@ti.com>
Date:   Fri, 17 Nov 2023 08:09:09 -0600
From:   Andrew Davis <afd@...com>
To:     Nishanth Menon <nm@...com>, Vignesh Raghavendra <vigneshr@...com>,
        Tero Kristo <kristo@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        <linux-arm-kernel@...ts.infradead.org>
CC:     <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Andrew Davis <afd@...com>
Subject: [PATCH 4/5] arm64: dts: ti: k3-am65: Add chipid node to wkup_conf bus

Like in other K3 SoCs the chipid register is inside the wakeup
configuration space. Move the chipid node under a new bus to
better represent this topology and match other similar SoCs.

Signed-off-by: Andrew Davis <afd@...com>
---
 arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi
index fd2b998ebddc4..f037b36243ced 100644
--- a/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi
@@ -34,9 +34,16 @@ k3_reset: reset-controller {
 		};
 	};
 
-	chipid@...00014 {
-		compatible = "ti,am654-chipid";
-		reg = <0x43000014 0x4>;
+	wkup_conf: bus@...00000 {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0x0 0x43000000 0x20000>;
+
+		chipid: chipid@14 {
+			compatible = "ti,am654-chipid";
+			reg = <0x14 0x4>;
+		};
 	};
 
 	wkup_pmx0: pinctrl@...1c000 {
-- 
2.39.2