linux-kernel - [PATCH] ARM: dts: add core2 padconf region for am3517

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Message-Id: <1431293273-19321-1-git-send-email-andrej.skvortzov@gmail.com>
Date:	Mon, 11 May 2015 00:27:53 +0300
From:	Andrey Skvortsov <andrej.skvortzov@...il.com>
To:	Benoît Cousson <bcousson@...libre.com>,
	Tony Lindgren <tony@...mide.com>,
	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-omap@...r.kernel.org, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:	Nishanth Menon <nm@...com>,
	Andrey Skvortsov <andrej.skvortzov@...il.com>
Subject: [PATCH] ARM: dts: add core2 padconf region for am3517

According to the technical reference manual for AM35xx system
controller module (SCM) PADCONFS core registers are divided in two
regions: 0x48002030..0x48002268 and 0x480025d8..0x480025FC.
First region is the same for all omap3 SoC and is described in omap3.dtsi.
The second region is the same as in omap34xx (see omap34xx.dtsi)
and omap35xx. The patch adds missing description for the second region.
This patch was tested on AM3517.

Signed-off-by: Andrey Skvortsov <andrej.skvortzov@...il.com>
---

Commit 3d495383648a ("ARM: dts: Split omap3 pinmux core device") notes that
Nishanth Menon <nm@...com> said that 3517 does not have padconf2 region.
Unfortunately I couldn't find reference to his post on mailing list.
This patch was tested on AM3517 SoC and original vendor code contains
pinmuxing for this second region as well.

 arch/arm/boot/dts/am3517.dtsi | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/arm/boot/dts/am3517.dtsi b/arch/arm/boot/dts/am3517.dtsi
index c90724b..2534500 100644
--- a/arch/arm/boot/dts/am3517.dtsi
+++ b/arch/arm/boot/dts/am3517.dtsi
@@ -60,5 +60,16 @@
 			dma-names = "tx", "rx";
 			clock-frequency = <48000000>;
 		};
+
+		omap3_pmx_core2: pinmux@...025D8 {
+			compatible = "ti,omap3-padconf", "pinctrl-single";
+			reg = <0x480025D8 0x24>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			#interrupt-cells = <1>;
+			interrupt-controller;
+			pinctrl-single,register-width = <16>;
+			pinctrl-single,function-mask = <0xff1f>;
+		};
 	};
 };

-- 
2.1.4

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