Thread (23 messages) 23 messages, 4 authors, 2025-03-07

Re: [PATCH v5 01/10] arm64: dts: ti: k3-am62-wakeup: Add wakeup R5F node

From: Andrew Davis <hidden>
Date: 2025-02-10 22:58:19
Also in: linux-devicetree, lkml

On 2/10/25 4:15 PM, Judith Mendez wrote:
From: Hari Nagalla <redacted>

AM62 SoC devices have a single core R5F processor in wakeup domain.
The R5F processor in wakeup domain is used as a device manager
for the SoC.

Signed-off-by: Devarsh Thakkar <devarsht@ti.com>
Signed-off-by: Hari Nagalla <redacted>
Signed-off-by: Judith Mendez <redacted>
---
Acked-by: Andrew Davis <redacted>
quoted hunk ↗ jump to hunk
Changes since v4:
- No change
---
  arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi | 25 ++++++++++++++++++++++
  1 file changed, 25 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..061819a64300f 100644
--- a/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi
@@ -106,6 +106,31 @@ wkup_rti0: watchdog@2b000000 {
  		status = "reserved";
  	};
  
+	wkup_r5fss0: r5fss@78000000 {
+		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>;
+		status = "disabled";
+
+		wkup_r5fss0_core0: r5f@78000000 {
+			compatible = "ti,am62-r5f";
+			reg = <0x78000000 0x00008000>,
+			      <0x78100000 0x00008000>;
+			reg-names = "atcm", "btcm";
+			ti,sci = <&dmsc>;
+			ti,sci-dev-id = <121>;
+			ti,sci-proc-ids = <0x01 0xff>;
+			resets = <&k3_reset 121 1>;
+			firmware-name = "am62-wkup-r5f0_0-fw";
+			ti,atcm-enable = <1>;
+			ti,btcm-enable = <1>;
+			ti,loczrama = <1>;
+		};
+	};
+
  	wkup_vtm0: temperature-sensor@b00000 {
  		compatible = "ti,j7200-vtm";
  		reg = <0x00 0xb00000 0x00 0x400>,
  
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