mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-27 01:11:14 +00:00
3fc661a98c
As usual these patches were extracted from the raspberry pi repo: https://github.com/raspberrypi/linux/tree/rpi-4.4.y Also alphabetically order sound-soc kernel packages. Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
156 lines
5.1 KiB
Diff
156 lines
5.1 KiB
Diff
From 11e5c941ff3d09701e57d26b068f634fae29265c Mon Sep 17 00:00:00 2001
|
|
From: Erik Sejr <erik@eriks.ssimicro.com>
|
|
Date: Tue, 7 Jun 2016 20:58:17 -0400
|
|
Subject: [PATCH 381/381] Add ads1015 overlay
|
|
|
|
See: https://github.com/raspberrypi/linux/pull/1520
|
|
---
|
|
arch/arm/boot/dts/overlays/Makefile | 1 +
|
|
arch/arm/boot/dts/overlays/README | 22 ++++++
|
|
arch/arm/boot/dts/overlays/ads1015-overlay.dts | 98 ++++++++++++++++++++++++++
|
|
3 files changed, 121 insertions(+)
|
|
create mode 100644 arch/arm/boot/dts/overlays/ads1015-overlay.dts
|
|
|
|
--- a/arch/arm/boot/dts/overlays/Makefile
|
|
+++ b/arch/arm/boot/dts/overlays/Makefile
|
|
@@ -13,6 +13,7 @@ ifeq ($(CONFIG_ARCH_BCM2835),y)
|
|
endif
|
|
|
|
dtbo-$(RPI_DT_OVERLAYS) += adau1977-adc.dtbo
|
|
+dtbo-$(RPI_DT_OVERLAYS) += ads1015.dtbo
|
|
dtbo-$(RPI_DT_OVERLAYS) += ads7846.dtbo
|
|
dtbo-$(RPI_DT_OVERLAYS) += akkordion-iqdacplus.dtbo
|
|
dtbo-$(RPI_DT_OVERLAYS) += at86rf233.dtbo
|
|
--- a/arch/arm/boot/dts/overlays/README
|
|
+++ b/arch/arm/boot/dts/overlays/README
|
|
@@ -168,6 +168,28 @@ Load: dtoverlay=adau1977-adc
|
|
Params: <None>
|
|
|
|
|
|
+Name: ads1015
|
|
+Info: Overlay for activation of Texas Instruments ADS1015 ADC over I2C
|
|
+Load: dtoverlay=ads1015,<param>=<val>
|
|
+Params: addr I2C bus address of device. Set based on how the
|
|
+ addr pin is wired. (default=0x48 assumes addr
|
|
+ is pulled to GND)
|
|
+ cha_enable Enable virtual channel a. (default=true)
|
|
+ cha_cfg Set the configuration for virtual channel a.
|
|
+ (default=4 configures this channel for the
|
|
+ voltage at A0 with respect to GND)
|
|
+ cha_datarate Set the datarate (samples/sec) for this channel.
|
|
+ (default=4 sets 1600 sps)
|
|
+ cha_gain Set the gain of the Programmable Gain
|
|
+ Amplifier for this channel. (default=2 sets the
|
|
+ full scale of the channel to 2.048 Volts)
|
|
+
|
|
+ Channel (ch) parameters can be set for each enabled channel.
|
|
+ A maximum of 4 channels can be enabled (letters a thru d).
|
|
+ For more information refer to the device datasheet at:
|
|
+ http://www.ti.com/lit/ds/symlink/ads1015.pdf
|
|
+
|
|
+
|
|
Name: ads7846
|
|
Info: ADS7846 Touch controller
|
|
Load: dtoverlay=ads7846,<param>=<val>
|
|
--- /dev/null
|
|
+++ b/arch/arm/boot/dts/overlays/ads1015-overlay.dts
|
|
@@ -0,0 +1,98 @@
|
|
+/*
|
|
+ * 2016 - Erik Sejr
|
|
+ */
|
|
+/dts-v1/;
|
|
+/plugin/;
|
|
+
|
|
+/ {
|
|
+ compatible = "brcm,bcm2708";
|
|
+ /* ----------- ADS1015 ------------ */
|
|
+ fragment@0 {
|
|
+ target = <&i2c_arm>;
|
|
+ __overlay__ {
|
|
+ #address-cells = <1>;
|
|
+ #size-cells = <0>;
|
|
+ status = "okay";
|
|
+ ads1015: ads1015 {
|
|
+ compatible = "ti,ads1015";
|
|
+ status = "okay";
|
|
+ #address-cells = <1>;
|
|
+ #size-cells = <0>;
|
|
+ reg = <0x48>;
|
|
+ };
|
|
+ };
|
|
+ };
|
|
+
|
|
+ fragment@1 {
|
|
+ target-path = "i2c_arm/ads1015";
|
|
+ __overlay__ {
|
|
+ #address-cells = <1>;
|
|
+ #size-cells = <0>;
|
|
+ channel_a: channel_a {
|
|
+ reg = <4>;
|
|
+ ti,gain = <2>;
|
|
+ ti,datarate = <4>;
|
|
+ };
|
|
+ };
|
|
+ };
|
|
+
|
|
+ fragment@2 {
|
|
+ target-path = "i2c_arm/ads1015";
|
|
+ __dormant__ {
|
|
+ #address-cells = <1>;
|
|
+ #size-cells = <0>;
|
|
+ channel_b: channel_b {
|
|
+ reg = <5>;
|
|
+ ti,gain = <2>;
|
|
+ ti,datarate = <4>;
|
|
+ };
|
|
+ };
|
|
+ };
|
|
+
|
|
+ fragment@3 {
|
|
+ target-path = "i2c_arm/ads1015";
|
|
+ __dormant__ {
|
|
+ #address-cells = <1>;
|
|
+ #size-cells = <0>;
|
|
+ channel_c: channel_c {
|
|
+ reg = <6>;
|
|
+ ti,gain = <2>;
|
|
+ ti,datarate = <4>;
|
|
+ };
|
|
+ };
|
|
+ };
|
|
+
|
|
+ fragment@4 {
|
|
+ target-path = "i2c_arm/ads1015";
|
|
+ __dormant__ {
|
|
+ #address-cells = <1>;
|
|
+ #size-cells = <0>;
|
|
+ channel_d: channel_d {
|
|
+ reg = <7>;
|
|
+ ti,gain = <2>;
|
|
+ ti,datarate = <4>;
|
|
+ };
|
|
+ };
|
|
+ };
|
|
+
|
|
+ __overrides__ {
|
|
+ addr = <&ads1015>,"reg:0";
|
|
+ cha_enable = <0>,"=1";
|
|
+ cha_cfg = <&channel_a>,"reg:0";
|
|
+ cha_gain = <&channel_a>,"ti,gain:0";
|
|
+ cha_datarate = <&channel_a>,"ti,datarate:0";
|
|
+ chb_enable = <0>,"=2";
|
|
+ chb_cfg = <&channel_b>,"reg:0";
|
|
+ chb_gain = <&channel_b>,"ti,gain:0";
|
|
+ chb_datarate = <&channel_b>,"ti,datarate:0";
|
|
+ chc_enable = <0>,"=3";
|
|
+ chc_cfg = <&channel_c>,"reg:0";
|
|
+ chc_gain = <&channel_c>,"ti,gain:0";
|
|
+ chc_datarate = <&channel_c>,"ti,datarate:0";
|
|
+ chd_enable = <0>,"=4";
|
|
+ chd_cfg = <&channel_d>,"reg:0";
|
|
+ chd_gain = <&channel_d>,"ti,gain:0";
|
|
+ chd_datarate = <&channel_d>,"ti,datarate:0";
|
|
+ };
|
|
+
|
|
+};
|