[PATCH v9 3/3] arm64: dts: st: set RCC as an access-controller

Clément Le Goffic legoffic.clement at gmail.com
Tue Feb 10 11:32:54 PST 2026


From: Clément Le Goffic <clement.legoffic at foss.st.com>

RCC now implements firewall access ops to check the access to
resources. Allow client nodes to query the RCC with one firewall ID.

Signed-off-by: Clément Le Goffic <clement.legoffic at foss.st.com>
Signed-off-by: Clément Le Goffic <legoffic.clement at gmail.com>
---
 arch/arm64/boot/dts/st/stm32mp231.dtsi | 1 +
 arch/arm64/boot/dts/st/stm32mp251.dtsi | 1 +
 2 files changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/st/stm32mp231.dtsi b/arch/arm64/boot/dts/st/stm32mp231.dtsi
index 88e214d395ab..e283c760d94f 100644
--- a/arch/arm64/boot/dts/st/stm32mp231.dtsi
+++ b/arch/arm64/boot/dts/st/stm32mp231.dtsi
@@ -776,6 +776,7 @@ rcc: clock-controller at 44200000 {
 			reg = <0x44200000 0x10000>;
 			#clock-cells = <1>;
 			#reset-cells = <1>;
+			#access-controller-cells = <1>;
 			clocks = <&scmi_clk CK_SCMI_HSE>,
 				<&scmi_clk CK_SCMI_HSI>,
 				<&scmi_clk CK_SCMI_MSI>,
diff --git a/arch/arm64/boot/dts/st/stm32mp251.dtsi b/arch/arm64/boot/dts/st/stm32mp251.dtsi
index a8e6e0f77b83..89e0b8f2fbf9 100644
--- a/arch/arm64/boot/dts/st/stm32mp251.dtsi
+++ b/arch/arm64/boot/dts/st/stm32mp251.dtsi
@@ -1761,6 +1761,7 @@ rcc: clock-controller at 44200000 {
 			reg = <0x44200000 0x10000>;
 			#clock-cells = <1>;
 			#reset-cells = <1>;
+			#access-controller-cells = <1>;
 			clocks = <&scmi_clk CK_SCMI_HSE>,
 				<&scmi_clk CK_SCMI_HSI>,
 				<&scmi_clk CK_SCMI_MSI>,

-- 
2.53.0




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