linux-kernel - [PATCH 3/3] ARM: dts: da850: enable the memctrl and mstpri nodes per board

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Date:   Fri, 25 Nov 2016 17:03:15 +0100
From:   Bartosz Golaszewski <bgolaszewski@...libre.com>
To:     Kevin Hilman <khilman@...libre.com>,
        Michael Turquette <mturquette@...libre.com>,
        Sekhar Nori <nsekhar@...com>, Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        Mark Rutland <mark.rutland@....com>,
        Peter Ujfalusi <peter.ujfalusi@...com>,
        Russell King <linux@...linux.org.uk>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        arm-soc <linux-arm-kernel@...ts.infradead.org>,
        linux-drm <dri-devel@...ts.freedesktop.org>,
        linux-devicetree <devicetree@...r.kernel.org>,
        Jyri Sarha <jsarha@...com>,
        Tomi Valkeinen <tomi.valkeinen@...com>,
        David Airlie <airlied@...ux.ie>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>
Subject: [PATCH 3/3] ARM: dts: da850: enable the memctrl and mstpri nodes per board

Currently the memory controller and master priorities drivers are
enabled in da850.dtsi. For boards for which there are no settings
defined, this makes these drivers emit error messages.

Disable the nodes in da850.dtsi and only enable them for da850-lcdk -
the only board that currently needs them.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
---
 arch/arm/boot/dts/da850-lcdk.dts | 8 ++++++++
 arch/arm/boot/dts/da850.dtsi     | 2 ++
 2 files changed, 10 insertions(+)

diff --git a/arch/arm/boot/dts/da850-lcdk.dts b/arch/arm/boot/dts/da850-lcdk.dts
index 6952c68..d0f7680 100644
--- a/arch/arm/boot/dts/da850-lcdk.dts
+++ b/arch/arm/boot/dts/da850-lcdk.dts
@@ -285,3 +285,11 @@
 		remote-endpoint = <&vga_bridge_in>;
 	};
 };
+
+&prictrl {
+	status = "okay";
+};
+
+&memctrl {
+	status = "okay";
+};
diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dtsi
index 9b7c444..2ea0e06 100644
--- a/arch/arm/boot/dts/da850.dtsi
+++ b/arch/arm/boot/dts/da850.dtsi
@@ -213,6 +213,7 @@
 		prictrl: priority-controller@...10 {
 			compatible = "ti,da850-mstpri";
 			reg = <0x14110 0x0c>;
+			status = "disabled";
 		};
 		cfgchip: chip-controller@...7c {
 			compatible = "ti,da830-cfgchip", "syscon", "simple-mfd";
@@ -486,5 +487,6 @@
 	memctrl: memory-controller@...00000 {
 		compatible = "ti,da850-ddr-controller";
 		reg = <0xb0000000 0xe8>;
+		status = "disabled";
 	};
 };
-- 
2.9.3