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ARM: realview: add MMCI to the PB1176 DTS 

This adds the MMC/SD card reader (MMCI) block to the
RealView PB1176 DTS file. Add a special MCLK derived clock
and a fixed regulator to represent the 3.3V rail hardwired
to the MMC reader on the board.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2014-10-13 13:21:40 +02:00
parent 7406c3957f
commit 10d8ddee10
1 changed files with 36 additions and 0 deletions
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36
arch/arm/boot/dts/arm-realview-pb1176.dts
View File

@ -22,6 +22,7 @@
/dts-v1/; /dts-v1/;
#include <dt-bindings/interrupt-controller/irq.h> #include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/gpio/gpio.h>
#include "skeleton.dtsi" #include "skeleton.dtsi"
/ { / {
@ -43,6 +44,15 @@ memory {
reg = <0x00000000 0x08000000>; reg = <0x00000000 0x08000000>;
}; };
/* The voltage to the MMC card is hardwired at 3.3V */
vmmc: fixedregulator@0 {
compatible = "regulator-fixed";
regulator-name = "vmmc";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
};
xtal24mhz: xtal24mhz@24M { xtal24mhz: xtal24mhz@24M {
#clock-cells = <0>; #clock-cells = <0>;
compatible = "fixed-clock"; compatible = "fixed-clock";
@ -57,6 +67,14 @@ timclk: timclk@1M {
clocks = <&xtal24mhz>; clocks = <&xtal24mhz>;
}; };
mclk: mclk@24M {
#clock-cells = <0>;
compatible = "fixed-factor-clock";
clock-div = <1>;
clock-mult = <1>;
clocks = <&xtal24mhz>;
};
kmiclk: kmiclk@24M { kmiclk: kmiclk@24M {
#clock-cells = <0>; #clock-cells = <0>;
compatible = "fixed-factor-clock"; compatible = "fixed-factor-clock";
@ -288,6 +306,24 @@ fpga {
compatible = "simple-bus"; compatible = "simple-bus";
ranges; ranges;
fpga_mci: mmcsd@10005000 {
compatible = "arm,pl18x", "arm,primecell";
reg = <0x10005000 0x1000>;
interrupt-parent = <&intc_fpga1176>;
interrupts = <0 1 IRQ_TYPE_LEVEL_HIGH>,
<0 2 IRQ_TYPE_LEVEL_HIGH>;
/* Due to frequent FIFO overruns, use just 500 kHz */
max-frequency = <500000>;
bus-width = <4>;
cap-sd-highspeed;
cap-mmc-highspeed;
clocks = <&mclk>, <&pclk>;
clock-names = "mclk", "apb_pclk";
vmmc-supply = <&vmmc>;
cd-gpios = <&fpga_gpio1 0 GPIO_ACTIVE_LOW>;
wp-gpios = <&fpga_gpio1 1 GPIO_ACTIVE_HIGH>;
};
fpga_kmi0: kmi@10006000 { fpga_kmi0: kmi@10006000 {
compatible = "arm,pl050", "arm,primecell"; compatible = "arm,pl050", "arm,primecell";
reg = <0x10006000 0x1000>; reg = <0x10006000 0x1000>;