[PATCH] ARM: at91: Add ADC driver to at91sam9260/at91sam9g20 dtsi files
From: Nicolas Ferre
Date: Wed May 16 2012 - 11:37:22 EST
Now that the bulk of at91sam9g20-related nodes are located in at91sam9260.dtsi,
we have to re-create the path to this ADC node for SoC specific parts.
Signed-off-by: Nicolas Ferre <nicolas.ferre@xxxxxxxxx>
---
arch/arm/boot/dts/at91sam9260.dtsi | 35 +++++++++++++++++++++++++++++++++++
arch/arm/boot/dts/at91sam9g20.dtsi | 8 ++++++++
2 files changed, 43 insertions(+)
diff --git a/arch/arm/boot/dts/at91sam9260.dtsi b/arch/arm/boot/dts/at91sam9260.dtsi
index f4605ff..f449efc 100644
--- a/arch/arm/boot/dts/at91sam9260.dtsi
+++ b/arch/arm/boot/dts/at91sam9260.dtsi
@@ -197,6 +197,41 @@
interrupts = <10 4>;
status = "disabled";
};
+
+ adc0: adc@fffe0000 {
+ compatible = "atmel,at91sam9260-adc";
+ reg = <0xfffe0000 0x100>;
+ interrupts = <5 4>;
+ atmel,adc-use-external-triggers;
+ atmel,adc-channels-used = <0xf>;
+ atmel,adc-vref = <3300>;
+ atmel,adc-num-channels = <4>;
+ atmel,adc-startup-time = <15>;
+ atmel,adc-channel-base = <0x30>;
+ atmel,adc-drdy-mask = <0x10000>;
+ atmel,adc-status-register = <0x1c>;
+ atmel,adc-trigger-register = <0x04>;
+
+ trigger@0 {
+ trigger-name = "timer-counter-0";
+ trigger-value = <0x1>;
+ };
+ trigger@1 {
+ trigger-name = "timer-counter-1";
+ trigger-value = <0x3>;
+ };
+
+ trigger@2 {
+ trigger-name = "timer-counter-2";
+ trigger-value = <0x5>;
+ };
+
+ trigger@3 {
+ trigger-name = "external";
+ trigger-value = <0x13>;
+ trigger-external;
+ };
+ };
};
nand0: nand@40000000 {
diff --git a/arch/arm/boot/dts/at91sam9g20.dtsi b/arch/arm/boot/dts/at91sam9g20.dtsi
index 0eb1a75..2a1d1ca 100644
--- a/arch/arm/boot/dts/at91sam9g20.dtsi
+++ b/arch/arm/boot/dts/at91sam9g20.dtsi
@@ -15,4 +15,12 @@
memory {
reg = <0x20000000 0x08000000>;
};
+
+ ahb {
+ apb {
+ adc0: adc@fffe0000 {
+ atmel,adc-startup-time = <40>;
+ };
+ };
+ };
};
--
1.7.10
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