linux-hardening - [PATCH v2 4/5] arm64: dts: ti: k3-am62-wakeup: Add R5F device node

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Message-ID: <87517cce567e1dda89c38f82db93ddff292c5c10.1733737487.git.matthias.schiffer@ew.tq-group.com>
Date: Mon,  9 Dec 2024 10:51:35 +0100
From: Matthias Schiffer <matthias.schiffer@...tq-group.com>
To: Nishanth Menon <nm@...com>,
	Vignesh Raghavendra <vigneshr@...com>,
	Tero Kristo <kristo@...nel.org>
Cc: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Kees Cook <kees@...nel.org>,
	Tony Luck <tony.luck@...el.com>,
	"Guilherme G. Piccoli" <gpiccoli@...lia.com>,
	Felipe Balbi <balbi@...nel.org>,
	linux-arm-kernel@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-usb@...r.kernel.org,
	linux-hardening@...r.kernel.org,
	Devarsh Thakkar <devarsht@...com>,
	Hari Nagalla <hnagalla@...com>,
	linux@...tq-group.com,
	Matthias Schiffer <matthias.schiffer@...tq-group.com>
Subject: [PATCH v2 4/5] arm64: dts: ti: k3-am62-wakeup: Add R5F device node

From: Hari Nagalla <hnagalla@...com>

AM62 SoCs have a single core R5F core in wakeup domain. This core is also
used as a device manager for the SoC.

Co-authored-by: Devarsh Thakkar <devarsht@...com>
Signed-off-by: Hari Nagalla <hnagalla@...com>
[Matthias Schiffer: Updated to match latest submitted version v5 of "arm64:
dts: k3-am62a-wakeup: Add R5F device node"]
Signed-off-by: Matthias Schiffer <matthias.schiffer@...tq-group.com>
---
 arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi | 24 ++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi
index 9b8a1f85aa15c..619848e889cf9 100644
--- a/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi
@@ -106,6 +106,30 @@ wkup_rti0: watchdog@...00000 {
 		status = "reserved";
 	};
 
+	wkup_r5fss0: r5fss@...00000 {
+		compatible = "ti,am62-r5fss";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0x78000000 0x00 0x78000000 0x8000>,
+			 <0x78100000 0x00 0x78100000 0x8000>;
+		power-domains = <&k3_pds 119 TI_SCI_PD_EXCLUSIVE>;
+
+		wkup_r5fss0_core0: r5f@...00000 {
+			compatible = "ti,am62-r5f";
+			reg = <0x78000000 0x00008000>,
+			      <0x78100000 0x00008000>;
+			reg-names = "atcm", "btcm";
+			resets = <&k3_reset 121 1>;
+			firmware-name = "am62-wkup-r5f0_0-fw";
+			ti,sci = <&dmsc>;
+			ti,sci-dev-id = <121>;
+			ti,sci-proc-ids = <0x01 0xff>;
+			ti,atcm-enable = <1>;
+			ti,btcm-enable = <1>;
+			ti,loczrama = <1>;
+		};
+	};
+
 	wkup_vtm0: temperature-sensor@...000 {
 		compatible = "ti,j7200-vtm";
 		reg = <0x00 0xb00000 0x00 0x400>,
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