From f8d0939eca47f56449ec583810a6ff41a1caaa91 Mon Sep 17 00:00:00 2001 From: Thomas Pedersen 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 Signed-off-by: Thomas Pedersen --- 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"; +};