linux-kernel - [PATCH v7 3/9] ARM: dts: am437x: Fix NAND device nodes

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Date:	Tue, 23 Feb 2016 18:37:19 +0200
From:	Roger Quadros <rogerq@...com>
To:	<tony@...mide.com>
CC:	<computersforpeace@...il.com>, <ezequiel@...guardiasur.com.ar>,
	<javier@...hile0.org>, <fcooper@...com>, <nsekhar@...com>,
	<linux-omap@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, Roger Quadros <rogerq@...com>
Subject: [PATCH v7 3/9] ARM: dts: am437x: Fix NAND device nodes

Add compatible id, GPMC register resource and interrupt
resource to NAND controller nodes.

The GPMC node will provide an interrupt controller for the
NAND IRQs.

Signed-off-by: Roger Quadros <rogerq@...com>
---
 arch/arm/boot/dts/am4372.dtsi        | 2 ++
 arch/arm/boot/dts/am437x-cm-t43.dts  | 6 +++++-
 arch/arm/boot/dts/am437x-gp-evm.dts  | 6 +++++-
 arch/arm/boot/dts/am43x-epos-evm.dts | 6 +++++-
 4 files changed, 17 insertions(+), 3 deletions(-)

diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi
index df955ba..7957bd4 100644
--- a/arch/arm/boot/dts/am4372.dtsi
+++ b/arch/arm/boot/dts/am4372.dtsi
@@ -893,6 +893,8 @@
 			gpmc,num-waitpins = <2>;
 			#address-cells = <2>;
 			#size-cells = <1>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
 			status = "disabled";
 		};
 
diff --git a/arch/arm/boot/dts/am437x-cm-t43.dts b/arch/arm/boot/dts/am437x-cm-t43.dts
index 8677f4c..4aa5357 100644
--- a/arch/arm/boot/dts/am437x-cm-t43.dts
+++ b/arch/arm/boot/dts/am437x-cm-t43.dts
@@ -146,7 +146,11 @@
 	pinctrl-0 = <&nand_flash_x8>;
 	ranges = <0 0 0x08000000 0x1000000>;
 	nand@0,0 {
-		reg = <0 0 0>;
+		compatible = "ti,omap2-nand";
+		reg = <0 0 4>;		/* CS0, offset 0, IO size 4 */
+		interrupt-parent = <&gpmc>;
+		interrupts = <0 IRQ_TYPE_NONE>, /* fifoevent */
+			     <1 IRQ_TYPE_NONE>;	/* termcount */
 		ti,nand-ecc-opt = "bch8";
 		ti,elm-id = <&elm>;
 
diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts b/arch/arm/boot/dts/am437x-gp-evm.dts
index 64d4332..7081b88 100644
--- a/arch/arm/boot/dts/am437x-gp-evm.dts
+++ b/arch/arm/boot/dts/am437x-gp-evm.dts
@@ -812,9 +812,13 @@
 	status = "okay";
 	pinctrl-names = "default";
 	pinctrl-0 = <&nand_flash_x8>;
-	ranges = <0 0 0 0x01000000>;	/* minimum GPMC partition = 16MB */
+	ranges = <0 0 0x08000000 0x01000000>;	/* CS0 space. Min partition = 16MB */
 	nand@0,0 {
+		compatible = "ti,omap2-nand";
 		reg = <0 0 4>;		/* device IO registers */
+		interrupt-parent = <&gpmc>;
+		interrupts = <0 IRQ_TYPE_NONE>, /* fifoevent */
+			     <1 IRQ_TYPE_NONE>;	/* termcount */
 		ti,nand-ecc-opt = "bch16";
 		ti,elm-id = <&elm>;
 		nand-bus-width = <8>;
diff --git a/arch/arm/boot/dts/am43x-epos-evm.dts b/arch/arm/boot/dts/am43x-epos-evm.dts
index 746fd2b..12b08cf 100644
--- a/arch/arm/boot/dts/am43x-epos-evm.dts
+++ b/arch/arm/boot/dts/am43x-epos-evm.dts
@@ -561,9 +561,13 @@
 	status = "okay";	/* Disable QSPI when enabling GPMC (NAND) */
 	pinctrl-names = "default";
 	pinctrl-0 = <&nand_flash_x8>;
-	ranges = <0 0 0x08000000 0x1000000>;	/* CS0: 16MB for NAND */
+	ranges = <0 0 0x08000000 0x01000000>;	/* CS0 space. Min partition = 16MB */
 	nand@0,0 {
+		compatible = "ti,omap2-nand";
 		reg = <0 0 4>; /* CS0, offset 0, IO size 4 */
+		interrupt-parent = <&gpmc>;
+		interrupts = <0 IRQ_TYPE_NONE>, /* fifoevent */
+			     <1 IRQ_TYPE_NONE>;	/* termcount */
 		ti,nand-ecc-opt = "bch16";
 		ti,elm-id = <&elm>;
 		nand-bus-width = <8>;
-- 
2.5.0