openwrt/target/linux/ipq806x/patches-4.9/0005-arm-qcom-dts-Enable-NAND-node-on-IPQ8064-AP148-platf.patch

From f8d0939eca47f56449ec583810a6ff41a1caaa91 Mon Sep 17 00:00:00 2001
From: Thomas Pedersen <twp@codeaurora.org>
Date: Mon, 16 May 2016 17:58:54 -0700
Subject: [PATCH 05/37] arm: qcom: dts: Enable NAND node on IPQ8064 AP148
 platform

Original patch by Archit Taneja.

Enable the NAND controller node on the AP148 platform. Provide pinmux
information.

Signed-off-by: Archit Taneja <architt@codeaurora.org>
Signed-off-by: Thomas Pedersen <twp@codeaurora.org>
---
 arch/arm/boot/dts/qcom-ipq8064-ap148.dts |   42 ++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

--- a/arch/arm/boot/dts/qcom-ipq8064-ap148.dts
+++ b/arch/arm/boot/dts/qcom-ipq8064-ap148.dts
@@ -38,6 +38,28 @@
 					bias-none;
 				};
 			};
+			nand_pins: nand_pins {
+				mux {
+					pins = "gpio34", "gpio35", "gpio36",
+					       "gpio37", "gpio38", "gpio39",
+					       "gpio40", "gpio41", "gpio42",
+					       "gpio43", "gpio44", "gpio45",
+					       "gpio46", "gpio47";
+					function = "nand";
+					drive-strength = <10>;
+					bias-disable;
+				};
+				pullups {
+					pins = "gpio39";
+					bias-pull-up;
+				};
+				hold {
+					pins = "gpio40", "gpio41", "gpio42",
+					       "gpio43", "gpio44", "gpio45",
+					       "gpio46", "gpio47";
+					bias-bus-hold;
+				};
+			};
 		};
 
 		gsbi@16300000 {
@@ -98,5 +120,25 @@
 			ports-implemented = <0x1>;
 			status = "ok";
 		};
+
+		nand@1ac00000 {
+			status = "ok";
+
+			pinctrl-0 = <&nand_pins>;
+			pinctrl-names = "default";
+
+			nandcs@0 {
+				compatible = "qcom,nandcs";
+				reg = <0>;
+
+				nand-ecc-strength = <4>;
+				nand-ecc-step-size = <512>;
+				nand-bus-width = <8>;
+			};
+		};
 	};
 };
+
+&adm_dma {
+	status = "ok";
+};