linux-kernel - [PATCH v4 09/11] ARM: dts: microchip: sama7d65: Add SRAM and DRAM components support

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <96c1240e8d77d7a4dad6291220e65b4b708db616.1742936082.git.Ryan.Wanner@microchip.com>
Date: Wed, 26 Mar 2025 08:35:42 -0700
From: <Ryan.Wanner@...rochip.com>
To: <robh@...nel.org>, <krzk+dt@...nel.org>, <conor+dt@...nel.org>,
	<nicolas.ferre@...rochip.com>, <alexandre.belloni@...tlin.com>,
	<claudiu.beznea@...on.dev>, <lee@...nel.org>, <sre@...nel.org>,
	<p.zabel@...gutronix.de>
CC: <devicetree@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, <linux-pm@...r.kernel.org>,
	<linux-rtc@...r.kernel.org>, Ryan Wanner <Ryan.Wanner@...rochip.com>
Subject: [PATCH v4 09/11] ARM: dts: microchip: sama7d65: Add SRAM and DRAM components support

From: Ryan Wanner <Ryan.Wanner@...rochip.com>

Add SRAM, secumod, UDDRC, and DDR3phy to enable support for low power modes.

Signed-off-by: Ryan Wanner <Ryan.Wanner@...rochip.com>
---
 arch/arm/boot/dts/microchip/sama7d65.dtsi | 35 +++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/arch/arm/boot/dts/microchip/sama7d65.dtsi b/arch/arm/boot/dts/microchip/sama7d65.dtsi
index b6710ccd4c36..7d71e7326e3a 100644
--- a/arch/arm/boot/dts/microchip/sama7d65.dtsi
+++ b/arch/arm/boot/dts/microchip/sama7d65.dtsi
@@ -47,6 +47,14 @@ slow_xtal: clock-slowxtal {
 		};
 	};
 
+	ns_sram: sram@...000 {
+		compatible = "mmio-sram";
+		reg = <0x100000 0x20000>;
+		ranges;
+		#address-cells = <1>;
+		#size-cells = <1>;
+	};
+
 	soc {
 		compatible = "simple-bus";
 		ranges;
@@ -58,6 +66,23 @@ sfrbu: sfr@...08000 {
 			reg = <0xe0008000 0x20>;
 		};
 
+		securam: sram@...00800 {
+			compatible = "microchip,sama7d65-securam", "atmel,sama5d2-securam", "mmio-sram";
+			reg = <0xe0000800 0x4000>;
+			ranges = <0 0xe0000800 0x4000>;
+			clocks = <&pmc PMC_TYPE_PERIPHERAL 17>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+			no-memory-wc;
+		};
+
+		secumod: secumod@...04000 {
+			compatible = "microchip,sama7d65-secumod", "atmel,sama5d2-secumod", "syscon";
+			reg = <0xe0004000 0x4000>;
+			gpio-controller;
+			#gpio-cells = <2>;
+		};
+
 		pioa: pinctrl@...14000 {
 			compatible = "microchip,sama7d65-pinctrl", "microchip,sama7g5-pinctrl";
 			reg = <0xe0014000 0x800>;
@@ -227,6 +252,16 @@ i2c10: i2c@600 {
 			};
 		};
 
+		uddrc: uddrc@...00000 {
+			compatible = "microchip,sama7d65-uddrc", "microchip,sama7g5-uddrc";
+			reg = <0xe3800000 0x4000>;
+		};
+
+		ddr3phy: ddr3phy@...04000 {
+			compatible = "microchip,sama7d65-ddr3phy", "microchip,sama7g5-ddr3phy";
+			reg = <0xe3804000 0x1000>;
+		};
+
 		gic: interrupt-controller@...11000 {
 			compatible = "arm,cortex-a7-gic";
 			reg = <0xe8c11000 0x1000>,
-- 
2.43.0