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Message-ID: <20230818103750.516309-2-d-gole@ti.com>
Date: Fri, 18 Aug 2023 16:07:49 +0530
From: Dhruva Gole <d-gole@...com>
To: Mark Brown <broonie@...nel.org>, Nishanth Menon <nm@...com>,
Vignesh Raghavendra <vigneshr@...com>,
Tero Kristo <kristo@...nel.org>
CC: <linux-arm-kernel@...ts.infradead.org>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<linux-spi@...r.kernel.org>, Dhruva Gole <d-gole@...com>,
Vibhore Vardhan <vibhore@...com>
Subject: [PATCH 1/2] arm64: dts: ti: k3-am62-main: PM fixes in the fss node
* 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
Fixes: c37c58fdeb8a ("arm64: dts: ti: k3-am62: Add more peripheral nodes")
Co-developed-by: Vibhore Vardhan <vibhore@...com>
Signed-off-by: Vibhore Vardhan <vibhore@...com>
Signed-off-by: Dhruva Gole <d-gole@...com>
---
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@...00000 {
};
fss: bus@...0000 {
- 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@...0000 {
--
2.34.1
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