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authorAnton Vorontsov <avorontsov@ru.mvista.com>2009-05-02 06:16:59 +0400
committerKumar Gala <galak@kernel.crashing.org>2009-05-19 00:50:35 -0500
commitbd78c33a096a73f09b1b998a481290e229382a8b (patch)
treeb722cde3e760b7cd264a70b0d3e74ce17585f44d
parent5e8306fe5de2ce0c3272abd4b8ab20323a8bf0ff (diff)
downloadop-kernel-dev-bd78c33a096a73f09b1b998a481290e229382a8b.zip
op-kernel-dev-bd78c33a096a73f09b1b998a481290e229382a8b.tar.gz
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>
-rw-r--r--arch/powerpc/boot/dts/mpc8569mds.dts26
-rw-r--r--drivers/of/base.c1
2 files changed, 24 insertions, 3 deletions
diff --git a/arch/powerpc/boot/dts/mpc8569mds.dts b/arch/powerpc/boot/dts/mpc8569mds.dts
index ece3b305..23a102e 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 {
diff --git a/drivers/of/base.c b/drivers/of/base.c
index 41c5dfd..391f91c 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -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" },
};
/**
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