On 8/18/23 5:37 AM, Dhruva Gole wrote:
* Make use of Simple Power-Managed Bus as the fss bus controller is under
the control of a functional clock, and also is part of a PM domain.
* Specify the appropriate k3 pd to the fss node as per tisci docs [0].
[0] https://software-dl.ti.com/tisci/esd/latest/5_soc_doc/am62x/devices.html
This doc makes it look like the number should be 73, but you have 74, what is FSAS?
Andrew
Fixes: c37c58fdeb8a ("arm64: dts: ti: k3-am62: Add more peripheral nodes")
Co-developed-by: Vibhore Vardhan <vibhore@xxxxxx>
Signed-off-by: Vibhore Vardhan <vibhore@xxxxxx>
Signed-off-by: Dhruva Gole <d-gole@xxxxxx>
---
arch/arm64/boot/dts/ti/k3-am62-main.dtsi | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
index 284b90c94da8..b23c9e3d91cd 100644
--- a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
@@ -640,10 +640,11 @@ usb1: usb@31100000 {
};
fss: bus@fc00000 {
- compatible = "simple-bus";
+ compatible = "simple-pm-bus";
reg = <0x00 0x0fc00000 0x00 0x70000>;
#address-cells = <2>;
#size-cells = <2>;
+ power-domains = <&k3_pds 74 TI_SCI_PD_EXCLUSIVE>;
ranges;
ospi0: spi@fc40000 {
