linux-kernel - [PATCH 3/3] arm64: dts: ti: k3-am62p5-sk: Add r5fss memory region

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Message-Id: <20250122-topic-dt-updates-am62-wkup-v6-13-v1-3-f74835b91da9@baylibre.com>
Date: Wed, 22 Jan 2025 10:54:51 +0100
From: Markus Schneider-Pargmann <msp@...libre.com>
To: Nishanth Menon <nm@...com>, Vignesh Raghavendra <vigneshr@...com>, 
 Tero Kristo <kristo@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Markus Schneider-Pargmann <msp@...libre.com>
Subject: [PATCH 3/3] arm64: dts: ti: k3-am62p5-sk: Add r5fss memory region

Add the dma memory region for r5fss and list it in the wkup_r5fss0_core0
as memory-region together with the other already present memory region.

Signed-off-by: Markus Schneider-Pargmann <msp@...libre.com>
---
 arch/arm64/boot/dts/ti/k3-am62p5-sk.dts | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts b/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts
index 7f3dc39e12bc9ca4a746ff092f946b84a36404b3..cc695c9d662e6f2c41b73ddf4afe0e95888676e4 100644
--- a/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am62p5-sk.dts
@@ -58,6 +58,12 @@ secure_ddr: optee@...00000 {
 			no-map;
 		};
 
+		wkup_r5fss0_core0_dma_memory_region: r5f-dma-memory@...00000 {
+			compatible = "shared-dma-pool";
+			reg = <0x00 0x9c800000 0x00 0x100000>;
+			no-map;
+		};
+
 		wkup_r5fss0_core0_memory_region: r5f-dma-memory@...00000 {
 			compatible = "shared-dma-pool";
 			reg = <0x00 0x9c900000 0x00 0x01e00000>;
@@ -677,3 +683,8 @@ &mcu_gpio0 {
 &mcu_gpio_intr {
 	status = "reserved";
 };
+
+&wkup_r5fss0_core0 {
+	memory-region = <&wkup_r5fss0_core0_dma_memory_region>,
+			<&wkup_r5fss0_core0_memory_region>;
+};

-- 
2.47.1