powerpc/85xx: Add STMicro M25P40 serial flash support for MPC8569E-MDS

For serial flash support we need to:

- Add QE Par IO Bank E device tree node, a GPIO from this bank is
  used for SPI chip-select line;
- Add serial-flash node;
- Add proper module alias into of/base.c.

Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

1 files changed, 23 insertions, 3 deletions

diff --git a/arch/powerpc/boot/dts/mpc8569mds.dts b/arch/powerpc/boot/dts/mpc8569mds.dts
index ece3b305cd06..23a102ea9143 100644
--- a/arch/powerpc/boot/dts/mpc8569mds.dts
+++ b/arch/powerpc/boot/dts/mpc8569mds.dts
@@ -259,10 +259,21 @@
                 };
 
                 par_io@e0100 {
+                        #address-cells = <1>;
+                        #size-cells = <1>;
                         reg = <0xe0100 0x100>;
+                        ranges = <0x0 0xe0100 0x100>;
                         device_type = "par_io";
                         num-ports = <7>;
 
+                        qe_pio_e: gpio-controller@80 {
+                                #gpio-cells = <2>;
+                                compatible = "fsl,mpc8569-qe-pario-bank",
+                                             "fsl,mpc8323-qe-pario-bank";
+                                reg = <0x80 0x18>;
+                                gpio-controller;
+                        };
+
                         pio1: ucc_pin@01 {
                                 pio-map = <
                         /* port  pin  dir  open_drain  assignment  has_irq */
@@ -368,12 +379,21 @@
                 };
 
                 spi@4c0 {
-                        cell-index = <0>;
-                        compatible = "fsl,spi";
+                        #address-cells = <1>;
+                        #size-cells = <0>;
+                        compatible = "fsl,mpc8569-qe-spi", "fsl,spi";
                         reg = <0x4c0 0x40>;
+                        cell-index = <0>;
                         interrupts = <2>;
                         interrupt-parent = <&qeic>;
-                        mode = "cpu";
+                        gpios = <&qe_pio_e 30 0>;
+                        mode = "cpu-qe";
+
+                        serial-flash@0 {
+                                compatible = "stm,m25p40";
+                                reg = <0>;
+                                spi-max-frequency = <25000000>;
+                        };
                 };
 
                 spi@500 {