linux-kernel - [PATCH 1/2] soc: bcm: brcmstb: pm: Add support for newer rev B3.0 controllers

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Message-Id: <20180511220242.837-2-f.fainelli@gmail.com>
Date:   Fri, 11 May 2018 15:02:41 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     linux-arm-kernel@...ts.infradead.org
Cc:     Doug Berger <opendmb@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Brian Norris <computersforpeace@...il.com>,
        Gregory Fong <gregory.0xf0@...il.com>,
        bcm-kernel-feedback-list@...adcom.com (maintainer:BROADCOM BCM7XXX ARM
        ARCHITECTURE), Justin Chen <justinpopo6@...il.com>,
        devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED
        DEVICE TREE BINDINGS), linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 1/2] soc: bcm: brcmstb: pm: Add support for newer rev B3.0 controllers

From: Doug Berger <opendmb@...il.com>

Update the Device Tree binding document and add a matching entry for the
MEMC DDR controller revision B3.0 which is found on chips like 7278A0
and newer.

Signed-off-by: Doug Berger <opendmb@...il.com>
[florian: tweak commit message, make it apply to upstream kernel]
Signed-off-by: Florian Fainelli <f.fainelli@...il.com>
---
 Documentation/devicetree/bindings/arm/bcm/brcm,brcmstb.txt | 1 +
 drivers/soc/bcm/brcmstb/pm/pm-arm.c                        | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/bcm/brcm,brcmstb.txt b/Documentation/devicetree/bindings/arm/bcm/brcm,brcmstb.txt
index c052caad36e8..fb762059e68e 100644
--- a/Documentation/devicetree/bindings/arm/bcm/brcm,brcmstb.txt
+++ b/Documentation/devicetree/bindings/arm/bcm/brcm,brcmstb.txt
@@ -190,6 +190,7 @@ Power-Down (SRPD), among other things.
 Required properties:
 - compatible     : should contain one of these
 	"brcm,brcmstb-memc-ddr-rev-b.2.2"
+	"brcm,brcmstb-memc-ddr-rev-b.3.0"
 	"brcm,brcmstb-memc-ddr"
 - reg            : the MEMC DDR register range
 
diff --git a/drivers/soc/bcm/brcmstb/pm/pm-arm.c b/drivers/soc/bcm/brcmstb/pm/pm-arm.c
index dcf8c8065508..ade724677238 100644
--- a/drivers/soc/bcm/brcmstb/pm/pm-arm.c
+++ b/drivers/soc/bcm/brcmstb/pm/pm-arm.c
@@ -631,6 +631,10 @@ static const struct of_device_id brcmstb_memc_of_match[] = {
 		.compatible = "brcm,brcmstb-memc-ddr-rev-b.2.2",
 		.data = &ddr_seq_b22,
 	},
+	{
+		.compatible = "brcm,brcmstb-memc-ddr-rev-b.3.0",
+		.data = &ddr_seq_b22,
+	},
 	{
 		.compatible = "brcm,brcmstb-memc-ddr",
 		.data = &ddr_seq,
-- 
2.14.1