diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0381-Add-ads1015-overlay.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.4/0381-Add-ads1015-overlay.patch | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0381-Add-ads1015-overlay.patch b/target/linux/brcm2708/patches-4.4/0381-Add-ads1015-overlay.patch deleted file mode 100644 index f51c65eb11..0000000000 --- a/target/linux/brcm2708/patches-4.4/0381-Add-ads1015-overlay.patch +++ /dev/null @@ -1,155 +0,0 @@ -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"; -+ }; -+ -+}; |