diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-4.19/950-0268-overlays-Add-mcp342x-overlay.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-4.19/950-0268-overlays-Add-mcp342x-overlay.patch | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/target/linux/bcm27xx/patches-4.19/950-0268-overlays-Add-mcp342x-overlay.patch b/target/linux/bcm27xx/patches-4.19/950-0268-overlays-Add-mcp342x-overlay.patch deleted file mode 100644 index d104c65cc3..0000000000 --- a/target/linux/bcm27xx/patches-4.19/950-0268-overlays-Add-mcp342x-overlay.patch +++ /dev/null @@ -1,148 +0,0 @@ -From b71f1fd962c66ba3fa46483f193cc2263146c5bf Mon Sep 17 00:00:00 2001 -From: Phil Elwell <phil@raspberrypi.org> -Date: Mon, 21 Jan 2019 12:23:55 +0000 -Subject: [PATCH] overlays: Add mcp342x overlay - -Support the MCP342x family of ADCs from Microchip. - -See: https://github.com/raspberrypi/linux/issues/2819 - -Signed-off-by: Phil Elwell <phil@raspberrypi.org> ---- - arch/arm/boot/dts/overlays/Makefile | 1 + - arch/arm/boot/dts/overlays/README | 16 ++++ - .../arm/boot/dts/overlays/mcp342x-overlay.dts | 93 +++++++++++++++++++ - 3 files changed, 110 insertions(+) - create mode 100644 arch/arm/boot/dts/overlays/mcp342x-overlay.dts - ---- a/arch/arm/boot/dts/overlays/Makefile -+++ b/arch/arm/boot/dts/overlays/Makefile -@@ -79,6 +79,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \ - mcp2515-can1.dtbo \ - mcp3008.dtbo \ - mcp3202.dtbo \ -+ mcp342x.dtbo \ - media-center.dtbo \ - midi-uart0.dtbo \ - midi-uart1.dtbo \ ---- a/arch/arm/boot/dts/overlays/README -+++ b/arch/arm/boot/dts/overlays/README -@@ -1277,6 +1277,22 @@ Params: spi<n>-<m>-present boolean, - spi<n>-<m>-speed integer, set the spi bus speed for this device - - -+Name: mcp342x -+Info: Overlay for activation of Microchip MCP3421-3428 ADCs over I2C -+Load: dtoverlay=mcp342x,<param>=<val> -+Params: addr I2C bus address of device, for devices with -+ addresses that are configurable, e.g. by -+ hardware links (default=0x68) -+ mcp3421 The device is an MCP3421 -+ mcp3422 The device is an MCP3422 -+ mcp3423 The device is an MCP3423 -+ mcp3424 The device is an MCP3424 -+ mcp3425 The device is an MCP3425 -+ mcp3426 The device is an MCP3426 -+ mcp3427 The device is an MCP3427 -+ mcp3428 The device is an MCP3428 -+ -+ - Name: media-center - Info: Media Center HAT - 2.83" Touch Display + extras by Pi Supply - Load: dtoverlay=media-center,<param>=<val> ---- /dev/null -+++ b/arch/arm/boot/dts/overlays/mcp342x-overlay.dts -@@ -0,0 +1,93 @@ -+// Overlay for MCP3421-8 ADCs from Microchip Semiconductor -+ -+/dts-v1/; -+/plugin/; -+ -+/ { -+ compatible = "brcm,bcm2835", "brcm,bcm2708", "brcm,bcm2709"; -+ -+ fragment@0 { -+ target = <&i2c1>; -+ __overlay__ { -+ #address-cells = <1>; -+ #size-cells = <0>; -+ -+ status = "okay"; -+ -+ mcp342x: mcp@68 { -+ reg = <0x68>; -+ -+ status = "okay"; -+ }; -+ }; -+ }; -+ -+ fragment@1 { -+ target = <&mcp342x>; -+ __dormant__ { -+ compatible = "microchip,mcp3421"; -+ }; -+ }; -+ -+ fragment@2 { -+ target = <&mcp342x>; -+ __dormant__ { -+ compatible = "microchip,mcp3422"; -+ }; -+ }; -+ -+ fragment@3 { -+ target = <&mcp342x>; -+ __dormant__ { -+ compatible = "microchip,mcp3423"; -+ }; -+ }; -+ -+ fragment@4 { -+ target = <&mcp342x>; -+ __dormant__ { -+ compatible = "microchip,mcp3424"; -+ }; -+ }; -+ -+ fragment@5 { -+ target = <&mcp342x>; -+ __dormant__ { -+ compatible = "microchip,mcp3425"; -+ }; -+ }; -+ -+ fragment@6 { -+ target = <&mcp342x>; -+ __dormant__ { -+ compatible = "microchip,mcp3426"; -+ }; -+ }; -+ -+ fragment@7 { -+ target = <&mcp342x>; -+ __dormant__ { -+ compatible = "microchip,mcp3427"; -+ }; -+ }; -+ -+ fragment@8 { -+ target = <&mcp342x>; -+ __dormant__ { -+ compatible = "microchip,mcp3428"; -+ }; -+ }; -+ -+ __overrides__ { -+ addr = <&mcp342x>,"reg:0"; -+ mcp3421 = <0>,"=1"; -+ mcp3422 = <0>,"=2"; -+ mcp3423 = <0>,"=3"; -+ mcp3424 = <0>,"=4"; -+ mcp3425 = <0>,"=5"; -+ mcp3426 = <0>,"=6"; -+ mcp3427 = <0>,"=7"; -+ mcp3428 = <0>,"=8"; -+ }; -+}; -+ |