linux-kernel - [PATCH 04/13] arm64: dts: st: set rcc as an access-controller

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Message-ID: <20250623-ddrperfm-upstream-v1-4-7dffff168090@foss.st.com>
Date: Mon, 23 Jun 2025 11:27:09 +0200
From: Clément Le Goffic <clement.legoffic@...s.st.com>
To: Will Deacon <will@...nel.org>, Mark Rutland <mark.rutland@....com>,
        Rob
 Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor
 Dooley <conor+dt@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Philipp Zabel
	<p.zabel@...gutronix.de>,
        Jonathan Corbet <corbet@....net>,
        Gatien Chevallier
	<gatien.chevallier@...s.st.com>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Gabriel Fernandez
	<gabriel.fernandez@...s.st.com>
CC: <linux-arm-kernel@...ts.infradead.org>, <linux-perf-users@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-kernel@...r.kernel.org>, <linux-doc@...r.kernel.org>,
        <linux-clk@...r.kernel.org>,
        Clément Le Goffic <clement.legoffic@...s.st.com>
Subject: [PATCH 04/13] arm64: dts: st: set rcc as an access-controller

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@...s.st.com>
---
 arch/arm64/boot/dts/st/stm32mp251.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/st/stm32mp251.dtsi b/arch/arm64/boot/dts/st/stm32mp251.dtsi
index 8d87865850a7..0683c2d5cb6f 100644
--- a/arch/arm64/boot/dts/st/stm32mp251.dtsi
+++ b/arch/arm64/boot/dts/st/stm32mp251.dtsi
@@ -1153,6 +1153,7 @@ rcc: clock-controller@...00000 {
 			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>,

-- 
2.43.0