ARM: at91: dts: add adc resolution stuff

Add the ADC low and high resolution configuration and which one to use.

Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

3 files changed, 9 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/at91sam9260.dtsi b/arch/arm/boot/dts/at91sam9260.dtsi
index cb7bcc51608d..367a6045ed48 100644
--- a/arch/arm/boot/dts/at91sam9260.dtsi
+++ b/arch/arm/boot/dts/at91sam9260.dtsi
@@ -484,6 +484,9 @@
                                 atmel,adc-drdy-mask = <0x10000>;
                                 atmel,adc-status-register = <0x1c>;
                                 atmel,adc-trigger-register = <0x04>;
+                                atmel,adc-res = <8 10>;
+                                atmel,adc-res-names = "lowres", "highres";
+                                atmel,adc-use-res = "highres";
 
                                 trigger@0 {
                                         trigger-name = "timer-counter-0";
diff --git a/arch/arm/boot/dts/at91sam9g45.dtsi b/arch/arm/boot/dts/at91sam9g45.dtsi
index 6b1d4cab24c2..0fa28af229ed 100644
--- a/arch/arm/boot/dts/at91sam9g45.dtsi
+++ b/arch/arm/boot/dts/at91sam9g45.dtsi
@@ -484,6 +484,9 @@
                                 atmel,adc-drdy-mask = <0x10000>;
                                 atmel,adc-status-register = <0x1c>;
                                 atmel,adc-trigger-register = <0x08>;
+                                atmel,adc-res = <8 10>;
+                                atmel,adc-res-names = "lowres", "highres";
+                                atmel,adc-use-res = "highres";
 
                                 trigger@0 {
                                         trigger-name = "external-rising";
diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi b/arch/arm/boot/dts/at91sam9x5.dtsi
index 7a32a3f700e1..a3d4464895a0 100644
--- a/arch/arm/boot/dts/at91sam9x5.dtsi
+++ b/arch/arm/boot/dts/at91sam9x5.dtsi
@@ -535,6 +535,9 @@
                                 atmel,adc-drdy-mask = <0x1000000>;
                                 atmel,adc-status-register = <0x30>;
                                 atmel,adc-trigger-register = <0xc0>;
+                                atmel,adc-res = <8 10>;
+                                atmel,adc-res-names = "lowres", "highres";
+                                atmel,adc-use-res = "highres";
 
                                 trigger@0 {
                                         trigger-name = "external-rising";