diff options
Diffstat (limited to 'board/lego/ev3/patches/linux/0001-adc-device-tree-node.patch')
| -rw-r--r-- | board/lego/ev3/patches/linux/0001-adc-device-tree-node.patch | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/board/lego/ev3/patches/linux/0001-adc-device-tree-node.patch b/board/lego/ev3/patches/linux/0001-adc-device-tree-node.patch deleted file mode 100644 index dabda1e962..0000000000 --- a/board/lego/ev3/patches/linux/0001-adc-device-tree-node.patch +++ /dev/null @@ -1,56 +0,0 @@ -From 8a81ff173c5c9a0ab1df84fab17971dbcce8490a Mon Sep 17 00:00:00 2001 -From: David Lechner <david@lechnology.com> -Date: Tue, 7 Feb 2017 13:22:07 -0600 -Subject: ARM: da850-lego-ev3: Add device tree node for A/DC - -This adds a node for the TI ADS7957 analog/digital converter on LEGO -MINDSTORMS EV3 as well as a regulator node that is used by the A/DC node. - -Signed-off-by: David Lechner <david@lechnology.com> -Signed-off-by: Sekhar Nori <nsekhar@ti.com> ---- - arch/arm/boot/dts/da850-lego-ev3.dts | 21 +++++++++++++++++++++ - 1 file changed, 21 insertions(+) - -diff --git a/arch/arm/boot/dts/da850-lego-ev3.dts b/arch/arm/boot/dts/da850-lego-ev3.dts -index 112ec92..0309537 100644 ---- a/arch/arm/boot/dts/da850-lego-ev3.dts -+++ b/arch/arm/boot/dts/da850-lego-ev3.dts -@@ -139,6 +139,19 @@ - enable-active-high; - regulator-boot-on; - }; -+ -+ /* -+ * This is a simple voltage divider on VCC5V to provide a 2.5V -+ * reference signal to the ADC. -+ */ -+ adc_ref: regulator2 { -+ compatible = "regulator-fixed"; -+ regulator-name = "adc ref"; -+ regulator-min-microvolt = <2500000>; -+ regulator-max-microvolt = <2500000>; -+ regulator-boot-on; -+ vin-supply = <&vcc5v>; -+ }; - }; - - &pmx_core { -@@ -293,6 +306,14 @@ - }; - }; - }; -+ -+ adc: adc@3 { -+ compatible = "ti,ads7957"; -+ reg = <3>; -+ #io-channel-cells = <1>; -+ spi-max-frequency = <10000000>; -+ vref-supply = <&adc_ref>; -+ }; - }; - - &gpio { --- -cgit v1.1 - |
