[PATCH v2 4/4] arm64: dts: ti: sa67: set the GPU clock to 800MHz

Michael Walle
2025-12-23T12:48:10Z

The board is running with a core voltage of 0.85V and therefore we can
clock the GPU at 800MHz.

Signed-off-by: Michael Walle <mwalle@kernel.org>
---
arch/arm64/boot/dts/ti/k3-am67a-kontron-sa67-base.dts | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am67a-kontron-sa67-base.dts b/arch/arm64/boot/dts/ti/k3-am67a-kontron-sa67-base.dts
index 7169d934adac..0c7f3e10a150 100644
--- a/arch/arm64/boot/dts/ti/k3-am67a-kontron-sa67-base.dts
+++ b/arch/arm64/boot/dts/ti/k3-am67a-kontron-sa67-base.dts
@@ -292,6 +292,12 @@ &cpsw_port1 {
status = "okay";
};

+&gpu {
+ /* The VCORE is 0.85V, thus we can use a faster GPU clock. */
+ assigned-clocks = <&k3_clks 237 3>;
+ assigned-clock-rates = <800000000>;
+};
+
&main_gpio0 {
gpio-line-names =
"", "", "", "", "", "", "", "SOC_SDIO_PWR_EN", "VSD_SEL",
--
2.47.3