openwrt-archive/target/linux/bcm53xx/patches-4.4/041-0001-ARM-BCM5301X-Specify-NAND-chip-select-and-ECC-in-sep.patch

From 8ab5f1fbd39c29125403678a0caf0a71046da361 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
Date: Mon, 6 Jun 2016 09:43:49 +0200
Subject: [PATCH 1/2] ARM: BCM5301X: Specify NAND chip select and ECC in
 separated files
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Using separated file with common chip select parameters will allow us
adding other ECC setups without code duplication.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
---
 arch/arm/boot/dts/bcm5301x-nand-cs0-bch8.dtsi | 16 +++++-----------
 arch/arm/boot/dts/bcm5301x-nand-cs0.dtsi      | 18 ++++++++++++++++++
 2 files changed, 23 insertions(+), 11 deletions(-)
 create mode 100644 arch/arm/boot/dts/bcm5301x-nand-cs0.dtsi

--- a/arch/arm/boot/dts/bcm5301x-nand-cs0-bch8.dtsi
+++ b/arch/arm/boot/dts/bcm5301x-nand-cs0-bch8.dtsi
@@ -9,16 +9,10 @@
  * Licensed under the GNU/GPL. See COPYING for details.
  */
 
-/ {
-	nand@18028000 {
-		nandcs@0 {
-			compatible = "brcm,nandcs";
-			reg = <0>;
-			#address-cells = <1>;
-			#size-cells = <1>;
+#include "bcm5301x-nand-cs0.dtsi"
 
-			nand-ecc-strength = <8>;
-			nand-ecc-step-size = <512>;
-		};
-	};
+&nandcs {
+	nand-ecc-algo = "bch";
+	nand-ecc-strength = <8>;
+	nand-ecc-step-size = <512>;
 };
--- /dev/null
+++ b/arch/arm/boot/dts/bcm5301x-nand-cs0.dtsi
@@ -0,0 +1,18 @@
+/*
+ * Broadcom Northstar NAND.
+ *
+ * Copyright (C) 2015 Hauke Mehrtens <hauke@hauke-m.de>
+ *
+ * Licensed under the GNU/GPL. See COPYING for details.
+ */
+
+/ {
+	nand@18028000 {
+		nandcs: nandcs@0 {
+			compatible = "brcm,nandcs";
+			reg = <0>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+		};
+	};
+};