ARM: shmobile: henninger: add QSPI DT support

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@cogentembedded.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
(cherry picked from commit f59838d448356feb4f0ce70785a49045d842c9c3)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm/boot/dts/r8a7791-henninger.dts b/arch/arm/boot/dts/r8a7791-henninger.dts
index 2e45c06..1d715a3 100644 (file)
--- a/arch/arm/boot/dts/r8a7791-henninger.dts
+++ b/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>;
+               };
+       };
+};