diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.9/950-0193-Add-overlay-for-ads1115-ADCs-1864.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.9/950-0193-Add-overlay-for-ads1115-ADCs-1864.patch | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/target/linux/brcm2708/patches-4.9/950-0193-Add-overlay-for-ads1115-ADCs-1864.patch b/target/linux/brcm2708/patches-4.9/950-0193-Add-overlay-for-ads1115-ADCs-1864.patch deleted file mode 100644 index 39d48e60b3..0000000000 --- a/target/linux/brcm2708/patches-4.9/950-0193-Add-overlay-for-ads1115-ADCs-1864.patch +++ /dev/null @@ -1,159 +0,0 @@ -From 6d5e32067cf3f3169ec15097c175878de365d247 Mon Sep 17 00:00:00 2001 -From: Scott Ellis <scott@jumpnowtek.com> -Date: Wed, 1 Mar 2017 07:22:24 -0500 -Subject: [PATCH] Add overlay for ads1115 ADCs (#1864) - ---- - arch/arm/boot/dts/overlays/Makefile | 1 + - arch/arm/boot/dts/overlays/README | 22 ++++++ - arch/arm/boot/dts/overlays/ads1115-overlay.dts | 103 +++++++++++++++++++++++++ - 3 files changed, 126 insertions(+) - create mode 100644 arch/arm/boot/dts/overlays/ads1115-overlay.dts - ---- a/arch/arm/boot/dts/overlays/Makefile -+++ b/arch/arm/boot/dts/overlays/Makefile -@@ -4,6 +4,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \ - adau1977-adc.dtbo \ - adau7002-simple.dtbo \ - ads1015.dtbo \ -+ ads1115.dtbo \ - ads7846.dtbo \ - akkordion-iqdacplus.dtbo \ - allo-piano-dac-pcm512x-audio.dtbo \ ---- a/arch/arm/boot/dts/overlays/README -+++ b/arch/arm/boot/dts/overlays/README -@@ -196,6 +196,28 @@ Params: addr I2C bus - http://www.ti.com/lit/ds/symlink/ads1015.pdf - - -+Name: ads1115 -+Info: Texas Instruments ADS1115 ADC -+Load: dtoverlay=ads1115,<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. -+ 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=7 sets 860 sps) -+ cha_gain Set the gain of the Programmable Gain -+ Amplifier for this channel. (Default 1 sets the -+ full scale of the channel to 4.096 Volts) -+ -+ Channel 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/ads1115.pdf -+ -+ - Name: ads7846 - Info: ADS7846 Touch controller - Load: dtoverlay=ads7846,<param>=<val> ---- /dev/null -+++ b/arch/arm/boot/dts/overlays/ads1115-overlay.dts -@@ -0,0 +1,103 @@ -+/* -+ * TI ADS1115 multi-channel ADC overlay -+ */ -+ -+/dts-v1/; -+/plugin/; -+ -+/ { -+ compatible = "brcm,bcm2708"; -+ -+ fragment@0 { -+ target = <&i2c_arm>; -+ __overlay__ { -+ #address-cells = <1>; -+ #size-cells = <0>; -+ status = "okay"; -+ -+ ads1115: ads1115 { -+ compatible = "ti,ads1115"; -+ status = "okay"; -+ #address-cells = <1>; -+ #size-cells = <0>; -+ reg = <0x48>; -+ }; -+ }; -+ }; -+ -+ fragment@1 { -+ target-path = "i2c_arm/ads1115"; -+ __dormant__ { -+ #address-cells = <1>; -+ #size-cells = <0>; -+ -+ channel_a: channel_a { -+ reg = <4>; -+ ti,gain = <1>; -+ ti,datarate = <7>; -+ }; -+ }; -+ }; -+ -+ fragment@2 { -+ target-path = "i2c_arm/ads1115"; -+ __dormant__ { -+ #address-cells = <1>; -+ #size-cells = <0>; -+ -+ channel_b: channel_b { -+ reg = <5>; -+ ti,gain = <1>; -+ ti,datarate = <7>; -+ }; -+ }; -+ }; -+ -+ fragment@3 { -+ target-path = "i2c_arm/ads1115"; -+ __dormant__ { -+ #address-cells = <1>; -+ #size-cells = <0>; -+ -+ channel_c: channel_c { -+ reg = <6>; -+ ti,gain = <1>; -+ ti,datarate = <7>; -+ }; -+ }; -+ }; -+ -+ fragment@4 { -+ target-path = "i2c_arm/ads1115"; -+ __dormant__ { -+ #address-cells = <1>; -+ #size-cells = <0>; -+ -+ channel_d: channel_d { -+ reg = <7>; -+ ti,gain = <1>; -+ ti,datarate = <7>; -+ }; -+ }; -+ }; -+ -+ __overrides__ { -+ addr = <&ads1115>,"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"; -+ }; -+}; |