linux-kernel - [PATCH] ARM: BCM5301X: Enable SPI-NOR on dual flash devices

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Message-Id: <1461740704-21501-1-git-send-email-zajec5@gmail.com>
Date:	Wed, 27 Apr 2016 09:05:03 +0200
From:	Rafał Miłecki <zajec5@...il.com>
To:	Florian Fainelli <f.fainelli@...il.com>
Cc:	Rafał Miłecki <zajec5@...il.com>,
	Hauke Mehrtens <hauke@...ke-m.de>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	linux-arm-kernel@...ts.infradead.org (open list:BROADCOM BCM5301X ARM
	ARCHITECTURE),
	devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED
	DEVICE TREE BINDINGS), linux-kernel@...r.kernel.org (open list)
Subject: [PATCH] ARM: BCM5301X: Enable SPI-NOR on dual flash devices

Commit 1b47b98acce2 ("ARM: BCM5301X: Add DT entry for SPI controller and
NOR flash") enabled SPI-NOR device on routers using serial flash only.
However there are also devices with two flash memories:
1) Small SPI attached flash used mostly for booting
2) Bigger NAND used mostly for storing firmware
On such devices we still need SPI-NOR e.g. to access NVRAM data.

Signed-off-by: Rafał Miłecki <zajec5@...il.com>
---
 arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts | 4 ++++
 arch/arm/boot/dts/bcm4708-netgear-r6250.dts       | 4 ++++
 arch/arm/boot/dts/bcm4708-netgear-r6300-v2.dts    | 4 ++++
 arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts | 4 ++++
 arch/arm/boot/dts/bcm47094-dlink-dir-885l.dts     | 4 ++++
 5 files changed, 20 insertions(+)

diff --git a/arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts b/arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts
index 5087aa8..9cb186e 100644
--- a/arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts
+++ b/arch/arm/boot/dts/bcm4708-buffalo-wzr-1750dhp.dts
@@ -147,3 +147,7 @@
 &usb3 {
 	vcc-gpio = <&chipcommon 10 GPIO_ACTIVE_LOW>;
 };
+
+&spi_nor {
+	status = "okay";
+};
diff --git a/arch/arm/boot/dts/bcm4708-netgear-r6250.dts b/arch/arm/boot/dts/bcm4708-netgear-r6250.dts
index 1049ab1..8ce39d5 100644
--- a/arch/arm/boot/dts/bcm4708-netgear-r6250.dts
+++ b/arch/arm/boot/dts/bcm4708-netgear-r6250.dts
@@ -90,3 +90,7 @@
 &usb3 {
 	vcc-gpio = <&chipcommon 0 GPIO_ACTIVE_HIGH>;
 };
+
+&spi_nor {
+	status = "okay";
+};
diff --git a/arch/arm/boot/dts/bcm4708-netgear-r6300-v2.dts b/arch/arm/boot/dts/bcm4708-netgear-r6300-v2.dts
index 3a94606..6229ef2 100644
--- a/arch/arm/boot/dts/bcm4708-netgear-r6300-v2.dts
+++ b/arch/arm/boot/dts/bcm4708-netgear-r6300-v2.dts
@@ -82,3 +82,7 @@
 		};
 	};
 };
+
+&spi_nor {
+	status = "okay";
+};
diff --git a/arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts b/arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts
index 791d722..0653e7e 100644
--- a/arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts
+++ b/arch/arm/boot/dts/bcm4709-buffalo-wxr-1900dhp.dts
@@ -131,3 +131,7 @@
 &usb2 {
 	vcc-gpio = <&chipcommon 13 GPIO_ACTIVE_HIGH>;
 };
+
+&spi_nor {
+	status = "okay";
+};
diff --git a/arch/arm/boot/dts/bcm47094-dlink-dir-885l.dts b/arch/arm/boot/dts/bcm47094-dlink-dir-885l.dts
index ace38ef..50cf804 100644
--- a/arch/arm/boot/dts/bcm47094-dlink-dir-885l.dts
+++ b/arch/arm/boot/dts/bcm47094-dlink-dir-885l.dts
@@ -113,3 +113,7 @@
 &usb3 {
 	vcc-gpio = <&chipcommon 18 GPIO_ACTIVE_HIGH>;
 };
+
+&spi_nor {
+	status = "okay";
+};
-- 
1.8.4.5