blob: 38330f7bcb9e8fc272f6b300a45b408a3a6a1b8c [file] [log] [blame]
From a3c122f22f9b1255d4e3dbc98949909bc278ad88 Mon Sep 17 00:00:00 2001
From: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Date: Wed, 13 Sep 2017 18:05:41 +0100
Subject: [PATCH 0345/1795] ARM: dts: iwg22m: Add SPI NOR support
Add support for the SPI NOR device used to boot up the system
to the System on Module DT.
Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Signed-off-by: Chris Paterson <chris.paterson2@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
(cherry picked from commit cf1cc6f1da41ceb60f6389b6b46f4f6dc06a2b63)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
arch/arm/boot/dts/r8a7745-iwg22m.dtsi | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/arch/arm/boot/dts/r8a7745-iwg22m.dtsi b/arch/arm/boot/dts/r8a7745-iwg22m.dtsi
index f7f9ceff35a6..ed9a8cf3fe36 100644
--- a/arch/arm/boot/dts/r8a7745-iwg22m.dtsi
+++ b/arch/arm/boot/dts/r8a7745-iwg22m.dtsi
@@ -39,6 +39,11 @@
function = "mmc";
};
+ qspi_pins: qspi {
+ groups = "qspi_ctrl", "qspi_data2";
+ function = "qspi";
+ };
+
sdhi1_pins: sd1 {
groups = "sdhi1_data4", "sdhi1_ctrl";
function = "sdhi1";
@@ -61,6 +66,27 @@
status = "okay";
};
+&qspi {
+ pinctrl-0 = <&qspi_pins>;
+ pinctrl-names = "default";
+
+ status = "okay";
+
+ /* WARNING - This device contains the bootloader. Handle with care. */
+ flash: flash@0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "sst,sst25vf016b", "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <50000000>;
+ spi-tx-bus-width = <1>;
+ spi-rx-bus-width = <1>;
+ m25p,fast-read;
+ spi-cpol;
+ spi-cpha;
+ };
+};
+
&sdhi1 {
pinctrl-0 = <&sdhi1_pins>;
pinctrl-names = "default";
--
2.19.0