[PATCH 1/2] ARM: dts: socfpga: add ltc2497 on arria10 devkit

[Alan Tull]

Add the two ltc2497 devices that are on the SoCFPGA Arria10
Socdk board at addresses 0x14 and 0x16.

Signed-off-by: Alan Tull <at...@kernel.org>
---
 arch/arm/boot/dts/socfpga_arria10_socdk.dtsi | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/arch/arm/boot/dts/socfpga_arria10_socdk.dtsi 
b/arch/arm/boot/dts/socfpga_arria10_socdk.dtsi
index 360dae5a5b12..0efbeccc5cd2 100644
--- a/arch/arm/boot/dts/socfpga_arria10_socdk.dtsi
+++ b/arch/arm/boot/dts/socfpga_arria10_socdk.dtsi
@@ -48,6 +48,13 @@
                };
        };
 
+       ref_033v: 033-v-ref {
+               compatible = "regulator-fixed";
+               regulator-name = "0.33V";
+               regulator-min-microvolt = <330000>;
+               regulator-max-microvolt = <330000>;
+       };
+
        soc {
                clkmgr@ffd04000 {
                        clocks {
@@ -128,6 +135,18 @@
        i2c-sda-falling-time-ns = <6000>;
        i2c-scl-falling-time-ns = <6000>;
 
+       adc@14 {
+               compatible = "lltc,ltc2497";
+               reg = <0x14>;
+               vref-supply = <&ref_033v>;
+       };
+
+       adc@16 {
+               compatible = "lltc,ltc2497";
+               reg = <0x16>;
+               vref-supply = <&ref_033v>;
+       };
+
        eeprom@51 {
                compatible = "atmel,24c32";
                reg = <0x51>;
-- 
2.21.0