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

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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>
This commit is contained in:
Anton Vorontsov 2009-05-02 06:16:59 +04:00 committed by Kumar Gala
parent 5e8306fe5d
commit bd78c33a09
2 changed files with 24 additions and 3 deletions
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26
arch/powerpc/boot/dts/mpc8569mds.dts
View file

@ -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 {

1
drivers/of/base.c
View file

@ -447,6 +447,7 @@ struct of_modalias_table {
static struct of_modalias_table of_modalias_table[] = {
{ "fsl,mcu-mpc8349emitx", "mcu-mpc8349emitx" },
{ "mmc-spi-slot", "mmc_spi" },
{ "stm,m25p40", "m25p80" },
};
/**