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

Re: [PATCH v5 02/10] arm64: dts: ti: k3-am62a-mcu: Add R5F remote proc node

From: Andrew Davis <hidden>
Date: 2025-02-10 22:58:39
Also in: linux-devicetree, lkml

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

AM62A SoCs have a single R5F core in the MCU voltage domain.
Add the R5FSS node with the child node for core0 in MCU voltage
domain .dtsi file.

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:
- Drop SRAM node for am62ax MCU R5fSS0 core0
---
  arch/arm64/boot/dts/ti/k3-am62a-mcu.dtsi | 25 ++++++++++++++++++++++++
  1 file changed, 25 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-am62a-mcu.dtsi b/arch/arm64/boot/dts/ti/k3-am62a-mcu.dtsi
index 0469c766b769e..1178cc6a9be8c 100644
--- a/arch/arm64/boot/dts/ti/k3-am62a-mcu.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62a-mcu.dtsi
@@ -175,4 +175,29 @@ mcu_mcan1: can@4e18000 {
  		bosch,mram-cfg = <0x0 128 64 64 64 64 32 32>;
  		status = "disabled";
  	};
+
+	mcu_r5fss0: r5fss@79000000 {
+		compatible = "ti,am62-r5fss";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0x79000000 0x00 0x79000000 0x8000>,
+			 <0x79020000 0x00 0x79020000 0x8000>;
+		power-domains = <&k3_pds 7 TI_SCI_PD_EXCLUSIVE>;
+		status = "disabled";
+
+		mcu_r5fss0_core0: r5f@79000000 {
+			compatible = "ti,am62-r5f";
+			reg = <0x79000000 0x00008000>,
+			      <0x79020000 0x00008000>;
+			reg-names = "atcm", "btcm";
+			ti,sci = <&dmsc>;
+			ti,sci-dev-id = <9>;
+			ti,sci-proc-ids = <0x03 0xff>;
+			resets = <&k3_reset 9 1>;
+			firmware-name = "am62a-mcu-r5f0_0-fw";
+			ti,atcm-enable = <0>;
+			ti,btcm-enable = <1>;
+			ti,loczrama = <0>;
+		};
+	};
  };
  
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