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Tue, 04 Nov 2025 07:07:02 -0800 (PST) From: Laurentiu Mihalcea To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Fabio Estevam , Daniel Baluta Cc: Pengutronix Kernel Team , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 2/3] arm64: dts: imx8mp: convert 'aips5' to 'aipstz5' Date: Tue, 4 Nov 2025 07:06:11 -0800 Message-ID: <20251104150612.1874-3-laurentiumihalcea111@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20251104150612.1874-1-laurentiumihalcea111@gmail.com> References: <20251104150612.1874-1-laurentiumihalcea111@gmail.com> Precedence: bulk X-Mailing-List: imx@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Laurentiu Mihalcea Change the programming model of the "aips5" node to allow configuring the security-related registers exposed by the AIPSTZ5 bridge. Without this, masters such as the HIFI4 DSP will have their access to the peripherals connected to the bridge denied after power cycling the AUDIOMIX domain. Co-developed-by: Daniel Baluta Signed-off-by: Daniel Baluta Signed-off-by: Laurentiu Mihalcea --- arch/arm64/boot/dts/freescale/imx8mp.dtsi | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi index 7ab321af9e15..426c11853d84 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi @@ -1428,12 +1428,14 @@ eqos: ethernet@30bf0000 { }; }; - aips5: bus@30c00000 { - compatible = "fsl,aips-bus", "simple-bus"; - reg = <0x30c00000 0x400000>; + aips5: bus@30df0000 { + compatible = "fsl,imx8mp-aipstz"; + reg = <0x30df0000 0x10000>; + power-domains = <&pgc_audio>; #address-cells = <1>; #size-cells = <1>; - ranges; + #access-controller-cells = <3>; + ranges = <0x30c00000 0x30c00000 0x400000>; spba-bus@30c00000 { compatible = "fsl,spba-bus", "simple-bus"; -- 2.43.0