openwrt/target/linux/at91/patches-5.10/224-ARM-dts-at91-sama7g5-add-ram-controllers.patch
Claudiu Beznea e58cd453d5 at91: add kernel support for sama7g5 soc
Add kernel support for SAMA7G5 by back-porting mainline kernel patches.
Among SAMA7G5 features could be remembered:
- ARM Cortex-A7
- double data rate multi-port dynamic RAM controller supporting DDR2,
  DDR3, DDR3L, LPDDR2, LPDDR3 up to 533MHz
- peripherals for audio, video processing
- 1 gigabit + 1 megabit Ethernet controllers
- 6 CAN controllers
- trust zone support
- DVFS for CPU
- criptography IPs

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
2022-02-24 19:05:28 +01:00

42 lines
1.2 KiB
Diff

From cf96a88e44f1fde9f1a30ab335329ff9e895e6f8 Mon Sep 17 00:00:00 2001
From: Claudiu Beznea <claudiu.beznea@microchip.com>
Date: Mon, 23 Aug 2021 16:19:13 +0300
Subject: [PATCH 224/247] ARM: dts: at91: sama7g5: add ram controllers
Add RAM and RAMC PHY controllers. These are necessary for platform
specific power management code.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20210823131915.23857-3-claudiu.beznea@microchip.com
---
arch/arm/boot/dts/sama7g5.dtsi | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/arch/arm/boot/dts/sama7g5.dtsi b/arch/arm/boot/dts/sama7g5.dtsi
index cc6be6db7b80..ecabab4343b6 100644
--- a/arch/arm/boot/dts/sama7g5.dtsi
+++ b/arch/arm/boot/dts/sama7g5.dtsi
@@ -515,6 +515,18 @@ spi11: spi@400 {
};
};
+ uddrc: uddrc@e3800000 {
+ compatible = "microchip,sama7g5-uddrc";
+ reg = <0xe3800000 0x4000>;
+ status = "okay";
+ };
+
+ ddr3phy: ddr3phy@e3804000 {
+ compatible = "microchip,sama7g5-ddr3phy";
+ reg = <0xe3804000 0x1000>;
+ status = "okay";
+ };
+
gic: interrupt-controller@e8c11000 {
compatible = "arm,cortex-a7-gic";
#interrupt-cells = <3>;
--
2.32.0