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>
---
 arch/arm64/boot/dts/ti/k3-am62p-mcu.dtsi    | 2 ++
 arch/arm64/boot/dts/ti/k3-am62p-wakeup.dtsi | 1 +
 2 files changed, 3 insertions(+)

Hello Vaishnav,

On 21/01/24 19:10, Vaishnav Achath wrote:
> 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>

> ---
>   arch/arm64/boot/dts/ti/k3-am62p-mcu.dtsi    | 2 ++
>   arch/arm64/boot/dts/ti/k3-am62p-wakeup.dtsi | 1 +
>   2 files changed, 3 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-am62p-mcu.dtsi b/arch/arm64/boot/dts/ti/k3-am62p-mcu.dtsi
> index c4b0b91d70cf..14eb9ba836d3 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62p-mcu.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am62p-mcu.dtsi
> @@ -187,6 +187,8 @@ mcu_r5fss0: r5fss@79000000 {
>   		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 19f42b39394e..10a7059b2d9b 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62p-wakeup.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am62p-wakeup.dtsi
> @@ -78,6 +78,7 @@ wkup_r5fss0: r5fss@78000000 {
>   		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";

Thanks.

On 11:26-20240124, Jayesh Choudhary wrote:
> Hello Vaishnav,
> 
> On 21/01/24 19:10, Vaishnav Achath wrote:
> > 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>
> 
> > ---
> >   arch/arm64/boot/dts/ti/k3-am62p-mcu.dtsi    | 2 ++
> >   arch/arm64/boot/dts/ti/k3-am62p-wakeup.dtsi | 1 +
> >   2 files changed, 3 insertions(+)
> > 
> > diff --git a/arch/arm64/boot/dts/ti/k3-am62p-mcu.dtsi b/arch/arm64/boot/dts/ti/k3-am62p-mcu.dtsi
> > index c4b0b91d70cf..14eb9ba836d3 100644
> > --- a/arch/arm64/boot/dts/ti/k3-am62p-mcu.dtsi
> > +++ b/arch/arm64/boot/dts/ti/k3-am62p-mcu.dtsi
> > @@ -187,6 +187,8 @@ mcu_r5fss0: r5fss@79000000 {
> >   		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 19f42b39394e..10a7059b2d9b 100644
> > --- a/arch/arm64/boot/dts/ti/k3-am62p-wakeup.dtsi
> > +++ b/arch/arm64/boot/dts/ti/k3-am62p-wakeup.dtsi
> > @@ -78,6 +78,7 @@ wkup_r5fss0: r5fss@78000000 {
> >   		ranges = <0x78000000 0x00 0x78000000 0x8000>,
> >   			 <0x78100000 0x00 0x78100000 0x8000>;
> >   		power-domains = <&k3_pds 119 TI_SCI_PD_EXCLUSIVE>;
> > +		status = "disabled";

Is there a reason for difference in white space addition?

> >   		wkup_r5fss0_core0: r5f@78000000 {
> >   			compatible = "ti,am62-r5f";
> 
> Thanks.