linux-kernel - [PATCH 1/5] ARM: dts: keystone-k2hk: Add MSM RAM node

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Message-ID: <20160901225846.31058-2-s-anna@ti.com>
Date:   Thu, 1 Sep 2016 17:58:42 -0500
From:   Suman Anna <s-anna@...com>
To:     Santosh Shilimkar <ssantosh@...nel.org>
CC:     Russell King <linux@...linux.org.uk>,
        Rob Herring <robh+dt@...nel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Tero Kristo <t-kristo@...com>,
        Murali Karicheri <m-karicheri2@...com>,
        Vitaly Andrianov <vitalya@...com>, Suman Anna <s-anna@...com>
Subject: [PATCH 1/5] ARM: dts: keystone-k2hk: Add MSM RAM node

Add the RAM managed by the Multicore Shared Memory Controller (MSMC)
as a mmio-sram node. The Keystone 2 Hawking SoC has 6 MB of such
memory. Any specific MSM memory range needed by a software module
ought to be reserved using an appropriate child node.

Signed-off-by: Suman Anna <s-anna@...com>
---
 arch/arm/boot/dts/keystone-k2hk.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm/boot/dts/keystone-k2hk.dtsi b/arch/arm/boot/dts/keystone-k2hk.dtsi
index 8f67fa8df936..39e88d815235 100644
--- a/arch/arm/boot/dts/keystone-k2hk.dtsi
+++ b/arch/arm/boot/dts/keystone-k2hk.dtsi
@@ -46,6 +46,14 @@
 	soc {
 		/include/ "keystone-k2hk-clocks.dtsi"
 
+		msm_ram: msmram@...00000 {
+			compatible = "mmio-sram";
+			reg = <0x0c000000 0x600000>;
+			ranges = <0x0 0x0c000000 0x600000>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+		};
+
 		dspgpio0: keystone_dsp_gpio@...20240 {
 			compatible = "ti,keystone-dsp-gpio";
 			gpio-controller;
-- 
2.9.3