@@ -70,6 +70,12 @@ cko2_11M: sgtl-clock-cko2 {
clock-frequency = <11289600>;
};
+ achc_24M: achc-clock {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <24000000>;
+ };
+
sgtlsound: sound {
compatible = "fsl,imx53-cpuvo-sgtl5000",
"fsl,imx-audio-sgtl5000";
@@ -314,16 +320,13 @@ &gpio4 11 GPIO_ACTIVE_LOW
&gpio4 12 GPIO_ACTIVE_LOW>;
status = "okay";
- spidev0: spi@0 {
- compatible = "ge,achc";
- reg = <0>;
- spi-max-frequency = <1000000>;
- };
-
- spidev1: spi@1 {
- compatible = "ge,achc";
- reg = <1>;
- spi-max-frequency = <1000000>;
+ spidev0: spi@1 {
+ compatible = "ge,achc", "nxp,kinetis-k20";
+ reg = <1>, <0>;
+ vdd-supply = <®_3v3>;
+ vdda-supply = <®_3v3>;
+ clocks = <&achc_24M>;
+ reset-gpios = <&gpio3 6 GPIO_ACTIVE_LOW>;
};
gpioxra0: gpio@2 {
PPD has only one ACHC device, which effectively is a Kinetis microcontroller. It has one SPI interface used for normal communication. Additionally it's possible to flash the device firmware using NXP's EzPort protocol by correctly driving a second chip select pin and the device reset pin. Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com> --- arch/arm/boot/dts/imx53-ppd.dts | 23 +++++++++++++---------- 1 file changed, 13 insertions(+), 10 deletions(-)