linux-kernel - [PATCH v8 net-next 02/15] dts: marvell: add CM3 SRAM memory to cp11x ethernet device tree

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Message-ID: <1612629961-11583-3-git-send-email-stefanc@marvell.com>
Date:   Sat, 6 Feb 2021 18:45:48 +0200
From:   <stefanc@...vell.com>
To:     <netdev@...r.kernel.org>
CC:     <thomas.petazzoni@...tlin.com>, <davem@...emloft.net>,
        <nadavh@...vell.com>, <ymarkman@...vell.com>,
        <linux-kernel@...r.kernel.org>, <stefanc@...vell.com>,
        <kuba@...nel.org>, <linux@...linux.org.uk>, <mw@...ihalf.com>,
        <andrew@...n.ch>, <rmk+kernel@...linux.org.uk>,
        <atenart@...nel.org>, Konstantin Porotchkin <kostap@...vell.com>
Subject: [PATCH v8 net-next 02/15] dts: marvell: add CM3 SRAM memory to cp11x ethernet device tree

From: Konstantin Porotchkin <kostap@...vell.com>

CM3 SRAM address space would be used for Flow Control configuration.

Signed-off-by: Stefan Chulski <stefanc@...vell.com>
Signed-off-by: Konstantin Porotchkin <kostap@...vell.com>
---
 arch/arm64/boot/dts/marvell/armada-cp11x.dtsi | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/arch/arm64/boot/dts/marvell/armada-cp11x.dtsi b/arch/arm64/boot/dts/marvell/armada-cp11x.dtsi
index 9dcf16b..359cf42 100644
--- a/arch/arm64/boot/dts/marvell/armada-cp11x.dtsi
+++ b/arch/arm64/boot/dts/marvell/armada-cp11x.dtsi
@@ -69,6 +69,8 @@
 			status = "disabled";
 			dma-coherent;
 
+			cm3-mem = <&CP11X_LABEL(cm3_sram)>;
+
 			CP11X_LABEL(eth0): eth0 {
 				interrupts = <39 IRQ_TYPE_LEVEL_HIGH>,
 					<43 IRQ_TYPE_LEVEL_HIGH>,
@@ -211,6 +213,14 @@
 			};
 		};
 
+		CP11X_LABEL(cm3_sram): cm3@...000 {
+			compatible = "mmio-sram";
+			reg = <0x220000 0x800>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0 0x220000 0x800>;
+		};
+
 		CP11X_LABEL(rtc): rtc@...000 {
 			compatible = "marvell,armada-8k-rtc";
 			reg = <0x284000 0x20>, <0x284080 0x24>;
-- 
1.9.1