linux-kernel - [PATCH v2 05/13] ARM: dts: mmp2: Add Audio SRAM

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Date:   Sat, 18 Jul 2020 22:50:11 +0200
From:   Lubomir Rintel <lkundrak@...sk>
To:     Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>
Cc:     SoC Team <soc@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Lubomir Rintel <lkundrak@...sk>
Subject: [PATCH v2 05/13] ARM: dts: mmp2: Add Audio SRAM

This memory is region is where the two-channel audio DMA can pump sound
samples into the SSPA's internal FIFO.

Signed-off-by: Lubomir Rintel <lkundrak@...sk>
---
 arch/arm/boot/dts/mmp2.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm/boot/dts/mmp2.dtsi b/arch/arm/boot/dts/mmp2.dtsi
index 9e77f685fb188..da2c92328464e 100644
--- a/arch/arm/boot/dts/mmp2.dtsi
+++ b/arch/arm/boot/dts/mmp2.dtsi
@@ -413,6 +413,15 @@ ssp4: spi@...39000 {
 			};
 		};
 
+		asram: sram@...00000 {
+			compatible = "mmio-sram";
+			reg = <0xe0000000 0x10000>;
+			ranges = <0 0xe0000000 0x10000>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+			status = "disabled";
+		};
+
 		soc_clocks: clocks {
 			compatible = "marvell,mmp2-clock";
 			reg = <0xd4050000 0x2000>,
-- 
2.26.2