linux-kernel - [PATCH 1/4] ARM: dts: keystone-k2g: Add PMMC node to support TI-SCI protocol

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Date:   Mon, 17 Jul 2017 22:28:41 -0500
From:   Suman Anna <s-anna@...com>
To:     Santosh Shilimkar <ssantosh@...nel.org>
CC:     Rob Herring <robh+dt@...nel.org>,
        Franklin S Cooper Jr <fcooper@...com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Nishanth Menon <nm@...com>, Tero Kristo <t-kristo@...com>,
        Dave Gerlach <d-gerlach@...com>,
        "Andrew F. Davis" <afd@...com>, Suman Anna <s-anna@...com>
Subject: [PATCH 1/4] ARM: dts: keystone-k2g: Add PMMC node to support TI-SCI protocol

From: Nishanth Menon <nm@...com>

Texas Instrument's System Control Interface (TI-SCI) Message Protocol
is implemented in Keystone 2 generation 66AK2G SoC with the PMMC entity.

Add the ti-sci node representing this 66AK2G PMMC module.

Signed-off-by: Nishanth Menon <nm@...com>
[s-anna@...com: add unit address to DT node]
Signed-off-by: Suman Anna <s-anna@...com>
---
 arch/arm/boot/dts/keystone-k2g.dtsi | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm/boot/dts/keystone-k2g.dtsi b/arch/arm/boot/dts/keystone-k2g.dtsi
index a789f75a1ed5..7f0f4180b373 100644
--- a/arch/arm/boot/dts/keystone-k2g.dtsi
+++ b/arch/arm/boot/dts/keystone-k2g.dtsi
@@ -139,5 +139,19 @@
 			interrupts = <GIC_SPI 324 IRQ_TYPE_LEVEL_HIGH>,
 				     <GIC_SPI 327 IRQ_TYPE_LEVEL_HIGH>;
 		};
+
+		pmmc: pmmc@...21c00 {
+			compatible = "ti,k2g-sci";
+			/*
+			 * In case of rare platforms that does not use k2g as
+			 * system master, use /delete-property/
+			 */
+			ti,system-reboot-controller;
+			mbox-names = "rx", "tx";
+			mboxes= <&msgmgr 5 2>,
+				<&msgmgr 0 0>;
+			reg-names = "debug_messages";
+			reg = <0x02921c00 0x400>;
+		};
 	};
 };
-- 
2.13.1