Define the Henninger board dependent part of the QSPI device node.
Add device nodes for Spansion S25FL512S SPI flash and MTD partitions on it.
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@xxxxxxxxxxxxxxxxxx>
---
This patch is against 'renesas-devel-v3.15-rc3-20140502' tag of Simon Horman's
'renesas.git' repo and SDHI0/2 DT support patch posted last weekend.
arch/arm/boot/dts/r8a7791-henninger.dts | 38 ++++++++++++++++++++++++++++++++
1 file changed, 38 insertions(+)
Index: renesas/arch/arm/boot/dts/r8a7791-henninger.dts
===================================================================
--- renesas.orig/arch/arm/boot/dts/r8a7791-henninger.dts
+++ renesas/arch/arm/boot/dts/r8a7791-henninger.dts
@@ -109,6 +109,11 @@
renesas,groups = "sdhi2_data4", "sdhi2_ctrl";
renesas,function = "sdhi2";
};
+
+ qspi_pins: spi0 {
+ renesas,groups = "qspi_ctrl", "qspi_data4";
+ renesas,function = "qspi";
+ };
};
&scif0 {
@@ -158,3 +163,36 @@
cd-gpios = <&gpio6 22 GPIO_ACTIVE_LOW>;
status = "okay";
};
+
+&qspi {
+ pinctrl-0 = <&qspi_pins>;
+ pinctrl-names = "default";
+
+ status = "okay";
+
+ flash@0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "spansion,s25fl512s";
+ reg = <0>;
+ spi-max-frequency = <30000000>;
+ spi-tx-bus-width = <4>;
+ spi-rx-bus-width = <4>;
+ m25p,fast-read;
+
+ partition@0 {
+ label = "loader_prg";
+ reg = <0x00000000 0x00040000>;
+ read-only;
+ };
+ partition@40000 {
+ label = "user_prg";
+ reg = <0x00040000 0x00400000>;
+ read-only;
+ };
+ partition@440000 {
+ label = "flash_fs";
+ reg = <0x00440000 0x03bc0000>;
+ };
+ };
+};
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