Hi Andrew,

On 1/28/25 10:22 AM, Andrew Davis wrote:

On 1/27/25 4:16 PM, Judith Mendez wrote:

quoted

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.

Co-authored-by: Devarsh Thakkar [off-list ref]
Signed-off-by: Hari Nagalla <redacted>
[Judith: Fix commit message header]
Signed-off-by: Judith Mendez <redacted>
---
  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..79708c1c214f8 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@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>;
+
+        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 = 
"ti-sysfw/ti-fs-stub-firmware-am62x-gp-signed.bin";

What is this firmware name? This doesn't exist in linux-firmware,
should use the normal name like "am62-wkup-r5f0_0-fw", then we
can use symlinks in our userspace to map to whatever firmware we
want to run.

Understood, will respin with fixed name, thanks.

~ Judith

Andrew

quoted

+            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>,