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authorFugang Duan <B38611@freescale.com>2014-02-21 13:24:16 +0800
committerShawn Guo <shawn.guo@linaro.org>2014-02-24 10:09:30 +0800
commit64436ff6675df55ed61ff2d8aac8156ce0294826 (patch)
tree7f6b29eaaa52a311c7a11bb2e82c089a295e4982 /arch
parent3048fa3fc5b6c641a06e959925dfbc31649528e9 (diff)
ARM: dts: vf610-twr: Add ADC support
vf610 has two ADC controllers, and vf610-twr board ADC0_SE5 pin connect to sliding rheostat for ADC test, other ADC pins connect to connectors for future use. Add support for ADC0_SE5. CC: Jonathan Cameron <jic23@kernel.org> CC: Mark Rutland <mark.rutland@arm.com> CC: Otavio Salvador <otavio@ossystems.com.br> CC: Peter Meerwald <pmeerw@pmeerw.net> CC: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Fugang Duan <B38611@freescale.com> Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/boot/dts/vf610-twr.dts21
-rw-r--r--arch/arm/boot/dts/vf610.dtsi18
2 files changed, 39 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/vf610-twr.dts b/arch/arm/boot/dts/vf610-twr.dts
index da52ed7eefa2..7dd1d6ede525 100644
--- a/arch/arm/boot/dts/vf610-twr.dts
+++ b/arch/arm/boot/dts/vf610-twr.dts
@@ -47,6 +47,14 @@
regulator-max-microvolt = <3300000>;
regulator-always-on;
};
+
+ reg_vcc_3v3_mcu: regulator@1 {
+ compatible = "regulator-fixed";
+ reg = <1>;
+ regulator-name = "vcc_3v3_mcu";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ };
};
sound {
@@ -79,6 +87,13 @@
};
};
+&adc0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_adc0_ad5>;
+ vref-supply = <&reg_vcc_3v3_mcu>;
+ status = "okay";
+};
+
&dspi0 {
bus-num = <0>;
pinctrl-names = "default";
@@ -128,6 +143,12 @@
&iomuxc {
vf610-twr {
+ pinctrl_adc0_ad5: adc0ad5grp {
+ fsl,pins = <
+ VF610_PAD_PTC30__ADC0_SE5 0xa1
+ >;
+ };
+
pinctrl_dspi0: dspi0grp {
fsl,pins = <
VF610_PAD_PTB19__DSPI0_CS0 0x1182
diff --git a/arch/arm/boot/dts/vf610.dtsi b/arch/arm/boot/dts/vf610.dtsi
index f08df47e6a5e..c63d26d3aa83 100644
--- a/arch/arm/boot/dts/vf610.dtsi
+++ b/arch/arm/boot/dts/vf610.dtsi
@@ -183,6 +183,15 @@
clock-names = "pit";
};
+ adc0: adc@4003b000 {
+ compatible = "fsl,vf610-adc";
+ reg = <0x4003b000 0x1000>;
+ interrupts = <0 53 0x04>;
+ clocks = <&clks VF610_CLK_ADC0>;
+ clock-names = "adc";
+ status = "disabled";
+ };
+
wdog@4003e000 {
compatible = "fsl,vf610-wdt", "fsl,imx21-wdt";
reg = <0x4003e000 0x1000>;
@@ -326,6 +335,15 @@
status = "disabled";
};
+ adc1: adc@400bb000 {
+ compatible = "fsl,vf610-adc";
+ reg = <0x400bb000 0x1000>;
+ interrupts = <0 54 0x04>;
+ clocks = <&clks VF610_CLK_ADC1>;
+ clock-names = "adc";
+ status = "disabled";
+ };
+
fec0: ethernet@400d0000 {
compatible = "fsl,mvf600-fec";
reg = <0x400d0000 0x1000>;