linux-kernel - [PATCH] ARM: dts: imx7s: Add on-chip memory

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Message-Id: <20231127-b4-imx7-ocram-v1-1-430a75e3e9db@pengutronix.de>
Date:   Mon, 27 Nov 2023 17:15:01 +0100
From:   Roland Hieber <rhi@...gutronix.de>
To:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>
Cc:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Roland Hieber <rhi@...gutronix.de>
Subject: [PATCH] ARM: dts: imx7s: Add on-chip memory

From: Philipp Zabel <p.zabel@...gutronix.de>

Add the 128 KiB on-chip SRAM at address 0x900000.

Signed-off-by: Philipp Zabel <p.zabel@...gutronix.de>
Signed-off-by: Roland Hieber <rhi@...gutronix.de>
---
 arch/arm/boot/dts/nxp/imx/imx7s.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm/boot/dts/nxp/imx/imx7s.dtsi b/arch/arm/boot/dts/nxp/imx/imx7s.dtsi
index 29b8fd03567a..31b14795930b 100644
--- a/arch/arm/boot/dts/nxp/imx/imx7s.dtsi
+++ b/arch/arm/boot/dts/nxp/imx/imx7s.dtsi
@@ -183,6 +183,15 @@ soc: soc {
 		interrupt-parent = <&gpc>;
 		ranges;
 
+		ocram: sram@...000 {
+			compatible = "mmio-sram";
+			reg = <0x00900000 0x20000>;
+			ranges = <0 0x00900000 0x20000>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+			clocks = <&clks IMX7D_OCRAM_CLK>;
+		};
+
 		funnel@...41000 {
 			compatible = "arm,coresight-dynamic-funnel", "arm,primecell";
 			reg = <0x30041000 0x1000>;

---
base-commit: 2cc14f52aeb78ce3f29677c2de1f06c0e91471ab
change-id: 20231127-b4-imx7-ocram-7d946fb7f4b5

Best regards,
-- 
Roland Hieber, Pengutronix e.K.          | rhi@...gutronix.de          |
Steuerwalder Str. 21                     | https://www.pengutronix.de/ |
31137 Hildesheim, Germany                | Phone: +49-5121-206917-0    |
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