arm64: dts: ti: k3-am62p-mcu/wakeup: Disable MCU and wakeup R5FSS nodes

K3 Remoteproc R5 driver requires reserved memory carveouts and
mailbox configuration to instantiate the cores successfully.
Since this is a board level dependency, keep the R5 subsytem
disabled at SoC dtsi, otherwise it results in probe errors like
below during AM62P SK boot:

r5fss@79000000: reserved memory init failed, ret = -22
r5fss@79000000: k3_r5_cluster_rproc_init failed, ret = -22
r5fss@78000000: reserved memory init failed, ret = -22
r5fss@78000000: k3_r5_cluster_rproc_init failed, ret = -22

Fixes: b5080c7c1f7e ("arm64: dts: ti: k3-am62p: Add nodes for more IPs")
Signed-off-by: Vaishnav Achath <vaishnav.a@ti.com>
Reviewed-by: Jayesh Choudhary <j-choudhary@ti.com>
Reviewed-by: Nishanth Menon <nm@ti.com>
Link: https://lore.kernel.org/r/20240121134017.374992-1-vaishnav.a@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>

diff --git a/arch/arm64/boot/dts/ti/k3-am62p-mcu.dtsi b/arch/arm64/boot/dts/ti/k3-am62p-mcu.dtsi
index c4b0b91d70cf30f0026f86ff2e21675f8efd3e17..14eb9ba836d3210a88013890923e8e9db7090c65 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-am62p-mcu.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62p-mcu.dtsi
@@ -187,6 +187,8 @@
                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>,

diff --git a/arch/arm64/boot/dts/ti/k3-am62p-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-am62p-wakeup.dtsi
index 19f42b39394ee65e8f89d8cfaafb8beb84331486..10a7059b2d9b585554ebd745cc32e68e9fdbc053 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-am62p-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62p-wakeup.dtsi
@@ -78,6 +78,7 @@
                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";