powerpc/of: add eSPI controller dts bindings and DTS modification
Also modifiy the document of cell-index in SPI controller. Add the
SPI flash(s25fl128p01) support on p4080ds and mpc8536ds board.
Signed-off-by: Mingkai Hu <Mingkai.hu@freescale.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
diff --git a/arch/powerpc/boot/dts/mpc8536ds.dts b/arch/powerpc/boot/dts/mpc8536ds.dts
index 815cebb..a75c10e 100644
--- a/arch/powerpc/boot/dts/mpc8536ds.dts
+++ b/arch/powerpc/boot/dts/mpc8536ds.dts
@@ -108,6 +108,58 @@
};
};
+ spi@7000 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "fsl,mpc8536-espi";
+ reg = <0x7000 0x1000>;
+ interrupts = <59 0x2>;
+ interrupt-parent = <&mpic>;
+ fsl,espi-num-chipselects = <4>;
+
+ flash@0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "spansion,s25sl12801";
+ reg = <0>;
+ spi-max-frequency = <40000000>;
+ partition@u-boot {
+ label = "u-boot";
+ reg = <0x00000000 0x00100000>;
+ read-only;
+ };
+ partition@kernel {
+ label = "kernel";
+ reg = <0x00100000 0x00500000>;
+ read-only;
+ };
+ partition@dtb {
+ label = "dtb";
+ reg = <0x00600000 0x00100000>;
+ read-only;
+ };
+ partition@fs {
+ label = "file system";
+ reg = <0x00700000 0x00900000>;
+ };
+ };
+ flash@1 {
+ compatible = "spansion,s25sl12801";
+ reg = <1>;
+ spi-max-frequency = <40000000>;
+ };
+ flash@2 {
+ compatible = "spansion,s25sl12801";
+ reg = <2>;
+ spi-max-frequency = <40000000>;
+ };
+ flash@3 {
+ compatible = "spansion,s25sl12801";
+ reg = <3>;
+ spi-max-frequency = <40000000>;
+ };
+ };
+
dma@21300 {
#address-cells = <1>;
#size-cells = <1>;
diff --git a/arch/powerpc/boot/dts/p4080ds.dts b/arch/powerpc/boot/dts/p4080ds.dts
index 2f0de24..5b7fc29 100644
--- a/arch/powerpc/boot/dts/p4080ds.dts
+++ b/arch/powerpc/boot/dts/p4080ds.dts
@@ -236,22 +236,19 @@
};
spi@110000 {
- cell-index = <0>;
#address-cells = <1>;
#size-cells = <0>;
- compatible = "fsl,espi";
+ compatible = "fsl,p4080-espi", "fsl,mpc8536-espi";
reg = <0x110000 0x1000>;
interrupts = <53 0x2>;
interrupt-parent = <&mpic>;
- espi,num-ss-bits = <4>;
- mode = "cpu";
+ fsl,espi-num-chipselects = <4>;
- fsl_m25p80@0 {
+ flash@0 {
#address-cells = <1>;
#size-cells = <1>;
- compatible = "fsl,espi-flash";
+ compatible = "spansion,s25sl12801";
reg = <0>;
- linux,modalias = "fsl_m25p80";
spi-max-frequency = <40000000>; /* input clock */
partition@u-boot {
label = "u-boot";