On 1/27/25 4:16 PM, Judith Mendez wrote:
From: Hari Nagalla <hnagalla@xxxxxx>
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 <devarsht@xxxxxx>
Signed-off-by: Hari Nagalla <hnagalla@xxxxxx>
[Judith: Fix commit message header]
Signed-off-by: Judith Mendez <jm@xxxxxx>
---
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.
Andrew
+ 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>,
