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Date: Wed, 12 Dec 2018 16:31:08 +0000
From: <Tudor.Ambarus@...rochip.com>
To: <Nicolas.Ferre@...rochip.com>, <alexandre.belloni@...tlin.com>,
<Ludovic.Desroches@...rochip.com>, <robh+dt@...nel.org>,
<mark.rutland@....com>, <Claudiu.Beznea@...rochip.com>
CC: <linux-arm-kernel@...ts.infradead.org>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<boris.brezillon@...tlin.com>, <linux-mtd@...ts.infradead.org>,
<broonie@...nel.org>, <linux-spi@...r.kernel.org>,
<Tudor.Ambarus@...rochip.com>
Subject: [PATCH 1/2] ARM: dts: at91: at91-sama5d27_som1: add QSPI1 + SPI NOR
memory nodes
From: Claudiu Beznea <claudiu.beznea@...rochip.com>
Configure the QSPI1 controller pin muxing and declare the
jedec,spi-nor memory (SST26VF064).
Signed-off-by: Claudiu Beznea <claudiu.beznea@...rochip.com>
[tudor.ambarus@...rochip.com: add spi-rx/tx-bus-width, drop partitions,
reword commit.]
Signed-off-by: Tudor Ambarus <tudor.ambarus@...rochip.com>
---
arch/arm/boot/dts/at91-sama5d27_som1.dtsi | 30 ++++++++++++++++++++++++++++++
1 file changed, 30 insertions(+)
diff --git a/arch/arm/boot/dts/at91-sama5d27_som1.dtsi b/arch/arm/boot/dts/at91-sama5d27_som1.dtsi
index cf0087b4c9e1..33a159c0163f 100644
--- a/arch/arm/boot/dts/at91-sama5d27_som1.dtsi
+++ b/arch/arm/boot/dts/at91-sama5d27_som1.dtsi
@@ -62,6 +62,20 @@
ahb {
apb {
+ qspi1: spi@...24000 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_qspi1_default>;
+
+ flash@0 {
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <80000000>;
+ spi-tx-bus-width = <4>;
+ spi-rx-bus-width = <4>;
+ m25p,fast-read;
+ };
+ };
+
macb0: ethernet@...08000 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_macb0_default>;
@@ -78,6 +92,22 @@
pinctrl@...38000 {
+ pinctrl_qspi1_default: qspi1_default {
+ sck_cs {
+ pinmux = <PIN_PB5__QSPI1_SCK>,
+ <PIN_PB6__QSPI1_CS>;
+ bias-disable;
+ };
+
+ data {
+ pinmux = <PIN_PB7__QSPI1_IO0>,
+ <PIN_PB8__QSPI1_IO1>,
+ <PIN_PB9__QSPI1_IO2>,
+ <PIN_PB10__QSPI1_IO3>;
+ bias-pull-up;
+ };
+ };
+
pinctrl_macb0_default: macb0_default {
pinmux = <PIN_PD9__GTXCK>,
<PIN_PD10__GTXEN>,
--
2.9.4
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