[PATCH 21/36] ARM: dts: OMAP2+: Fix OneNAND device nodes

Roger Quadros rogerq at ti.com
Wed Jun 11 01:56:26 PDT 2014


Add compatible id, fix chip select partition size and
I/O space size. OneNAND devices just need 128KB for I/O
and the minimum possible chips select partition can be
16MB.

Signed-off-by: Roger Quadros <rogerq at ti.com>
---
 arch/arm/boot/dts/omap2420-n8x0-common.dtsi | 5 +++--
 arch/arm/boot/dts/omap3-n900.dts            | 6 ++++--
 arch/arm/boot/dts/omap3-n950-n9.dtsi        | 6 ++++--
 arch/arm/boot/dts/omap3430-sdp.dts          | 8 +++++---
 4 files changed, 16 insertions(+), 9 deletions(-)

diff --git a/arch/arm/boot/dts/omap2420-n8x0-common.dtsi b/arch/arm/boot/dts/omap2420-n8x0-common.dtsi
index 89608b2..14a67fb3 100644
--- a/arch/arm/boot/dts/omap2420-n8x0-common.dtsi
+++ b/arch/arm/boot/dts/omap2420-n8x0-common.dtsi
@@ -34,14 +34,15 @@
 };
 
 &gpmc {
-	ranges = <0 0 0x04000000 0x10000000>;
+	ranges = <0 0 0x04000000 0x1000000>;	/* CS0 space, 16MB min. */
 
 	/* gpio-irq for dma: 26 */
 
 	onenand at 0,0 {
+		compatible = "ti,omap2-onenand";
 		#address-cells = <1>;
 		#size-cells = <1>;
-		reg = <0 0 0x10000000>;
+		reg = <0 0 0x20000>;	/* OneNAND I/O 128K */
 
 		gpmc,sync-read;
 		gpmc,burst-length = <16>;
diff --git a/arch/arm/boot/dts/omap3-n900.dts b/arch/arm/boot/dts/omap3-n900.dts
index 1a57b61..0c5af81 100644
--- a/arch/arm/boot/dts/omap3-n900.dts
+++ b/arch/arm/boot/dts/omap3-n900.dts
@@ -501,14 +501,16 @@
 };
 
 &gpmc {
-	ranges = <0 0 0x04000000 0x10000000>; /* 256MB */
+	ranges = <0 0 0x04000000 0x1000000>;	/* CS0 space, 16MB min. */
 
 	/* gpio-irq for dma: 65 */
 
 	onenand at 0,0 {
+		compatible = "ti,omap2-onenand";
 		#address-cells = <1>;
 		#size-cells = <1>;
-		reg = <0 0 0x10000000>;
+		reg = <0 0 0x20000>;	/* OneNAND I/O 128K */
+		ti,onenand-sync-rw;
 
 		gpmc,sync-read;
 		gpmc,sync-write;
diff --git a/arch/arm/boot/dts/omap3-n950-n9.dtsi b/arch/arm/boot/dts/omap3-n950-n9.dtsi
index 5c26c18..9dcb367 100644
--- a/arch/arm/boot/dts/omap3-n950-n9.dtsi
+++ b/arch/arm/boot/dts/omap3-n950-n9.dtsi
@@ -101,12 +101,14 @@
 };
 
 &gpmc {
-	ranges = <0 0 0x04000000 0x20000000>;
+	ranges = <0 0 0x04000000 0x1000000>;	/* CS0 space, 16MB min. */
 
 	onenand at 0,0 {
+		compatible = "ti,omap2-onenand";
 		#address-cells = <1>;
 		#size-cells = <1>;
-		reg = <0 0 0x20000000>;
+		reg = <0 0 0x20000>;	/* OneNAND I/O 128K */
+		ti,onenand-sync-rw;
 
 		gpmc,sync-read;
 		gpmc,sync-write;
diff --git a/arch/arm/boot/dts/omap3430-sdp.dts b/arch/arm/boot/dts/omap3430-sdp.dts
index bf5f8b9..d6fe226 100644
--- a/arch/arm/boot/dts/omap3430-sdp.dts
+++ b/arch/arm/boot/dts/omap3430-sdp.dts
@@ -52,7 +52,7 @@
 &gpmc {
 	ranges = <0 0 0x10000000 0x08000000>,
 		 <1 0 0x28000000 0x08000000>,
-		 <2 0 0x20000000 0x10000000>,
+		 <2 0 0x20000000 0x1000000>,	/* CS2, 16MB min. */
 		 <255 0 0x6e000000 0x02d4>;	/* GPMC reg */
 
 	nor at 0,0 {
@@ -151,10 +151,11 @@
 	};
 
 	onenand at 2,0 {
-		linux,mtd-name= "samsung,kfm2g16q2m-deb8";
+		compatible = "ti,omap2-onenand";
 		#address-cells = <1>;
 		#size-cells = <1>;
-		reg = <2 0 0x10000000>;
+		reg = <2 0 0x20000>;	/* OneNAND I/O 128K */
+		ti,onenand-sync-rw;
 
 		gpmc,device-width = <2>;
 		gpmc,mux-add-data = <2>;
@@ -173,6 +174,7 @@
 		gpmc,access-ns = <78>;
 		gpmc,wr-data-mux-bus-ns = <30>;
 
+		linux,mtd-name= "samsung,kfm2g16q2m-deb8";
 		partition at 0 {
 			label = "xloader-onenand";
 			reg = <0 0x80000>;
-- 
1.8.3.2




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