Thread (10 messages) 10 messages, 3 authors, 2025-01-14
STALE552d

[PATCH v3 3/6] arm64: dts: imx8mp: add fsl,nominal-mode property into nominal.dtsi

From: Ahmad Fatoum <a.fatoum@pengutronix.de>
Date: 2025-01-13 13:43:21
Also in: imx, linux-clk, linux-devicetree, lkml
Subsystem: arm/freescale imx / mxc arm architecture, the rest · Maintainers: Frank Li, Sascha Hauer, Linus Torvalds

The imx8mp-nominal.dtsi is meant to be included into boards that want to
override the default overdrive clock settings with settings suitable for
running in nominal drive mode at its lower required voltage.

Specifying fsl,operating-mode = "nominal" informs drivers of this fact,
so they can sanity check runtime clock reconfiguration to observe the
limits imposed by nominal mode.

Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
---
 arch/arm64/boot/dts/freescale/imx8mp-nominal.dtsi | 1 +
 1 file changed, 1 insertion(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-nominal.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-nominal.dtsi
index f9a82a663033a1dfb72163eebb62e4aee66cee2f..a1b75c9068b288a2fba73bbd96b1519a50df85a3 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-nominal.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp-nominal.dtsi
@@ -21,6 +21,7 @@ &clk {
 			       <800000000>,
 			       <600000000>,
 			       <400000000>;
+	fsl,operating-mode = "nominal";
 };
 
 &pgc_hdmimix {
-- 
2.39.5

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