diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.9/950-0138-Add-overlay-for-mcp3008-adc-1818.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.9/950-0138-Add-overlay-for-mcp3008-adc-1818.patch | 281 |
1 files changed, 0 insertions, 281 deletions
diff --git a/target/linux/brcm2708/patches-4.9/950-0138-Add-overlay-for-mcp3008-adc-1818.patch b/target/linux/brcm2708/patches-4.9/950-0138-Add-overlay-for-mcp3008-adc-1818.patch deleted file mode 100644 index 560dc6c854..0000000000 --- a/target/linux/brcm2708/patches-4.9/950-0138-Add-overlay-for-mcp3008-adc-1818.patch +++ /dev/null @@ -1,281 +0,0 @@ -From 33800ba2a14ff23db96fe5ea6e421a731f60c52b Mon Sep 17 00:00:00 2001 -From: Scott Ellis <scott@jumpnowtek.com> -Date: Fri, 27 Jan 2017 06:42:42 -0500 -Subject: [PATCH] Add overlay for mcp3008 adc (#1818) - -Some example usage: - -SPI0.0 -dtparam=spi=on -dtoverlay=mcp3008:spi0-0-present - -SPI0.1 -dtparam=spi=on -dtoverlay=mcp3008:spi0-1-present - -SPI0.0 and SPI0.1 -dtparam=spi=on -dtoverlay=mcp3008:spi0-0-present,spi0-1-present - -SPI1.0 -dtparam=spi=on -dtoverlay=spi1-1cs -dtoverlay=mcp3008:spi1-0-present - -SPI1.2 -dtparam=spi=on -dtoverlay=spi1-1cs:cs0_pin=16 -dtoverlay=mcp3008:spi1-0-present - -SPI1.0 and SPI1.1 -dtoverlay=spi1-2cs -dtoverlay=mcp3008:spi1-0-present,spi1-1-present - -Changing the speed - -SPI0.0 -dtparam=spi=on -dtoverlay=mcp3008:spi0-0-present,spi0-0-speed=2000000 ---- - arch/arm/boot/dts/overlays/Makefile | 1 + - arch/arm/boot/dts/overlays/README | 9 ++ - arch/arm/boot/dts/overlays/mcp3008-overlay.dts | 205 +++++++++++++++++++++++++ - 3 files changed, 215 insertions(+) - create mode 100755 arch/arm/boot/dts/overlays/mcp3008-overlay.dts - ---- a/arch/arm/boot/dts/overlays/Makefile -+++ b/arch/arm/boot/dts/overlays/Makefile -@@ -47,6 +47,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \ - mcp23s17.dtbo \ - mcp2515-can0.dtbo \ - mcp2515-can1.dtbo \ -+ mcp3008.dtbo \ - midi-uart0.dtbo \ - mmc.dtbo \ - mz61581.dtbo \ ---- a/arch/arm/boot/dts/overlays/README -+++ b/arch/arm/boot/dts/overlays/README -@@ -742,6 +742,15 @@ Params: oscillator Clock fr - interrupt GPIO for interrupt signal - - -+Name: mcp3008 -+Info: Configures MCP3008 A/D converters -+ For devices on spi1 or spi2, the interfaces should be enabled -+ with one of the spi1-1/2/3cs and/or spi2-1/2/3cs overlays. -+Load: dtoverlay=mcp3008,<param>[=<val>] -+Params: spi<n>-<m>-present boolean, configure device at spi<n>, cs<m> -+ spi<n>-<m>-speed integer, set the spi bus speed for this device -+ -+ - Name: midi-uart0 - Info: Configures UART0 (ttyAMA0) so that a requested 38.4kbaud actually gets - 31.25kbaud, the frequency required for MIDI ---- /dev/null -+++ b/arch/arm/boot/dts/overlays/mcp3008-overlay.dts -@@ -0,0 +1,205 @@ -+/* -+ * Device tree overlay for Microchip mcp3008 10-Bit A/D Converters -+ */ -+ -+/dts-v1/; -+/plugin/; -+ -+/ { -+ compatible = "brcm,bcm2835", "brcm,bcm2708", "brcm,bcm2709"; -+ -+ fragment@0 { -+ target = <&spidev0>; -+ __dormant__ { -+ status = "disabled"; -+ }; -+ }; -+ -+ fragment@1 { -+ target = <&spidev1>; -+ __dormant__ { -+ status = "disabled"; -+ }; -+ }; -+ -+ fragment@2 { -+ target-path = "spi1/spidev@0"; -+ __dormant__ { -+ status = "disabled"; -+ }; -+ }; -+ -+ fragment@3 { -+ target-path = "spi1/spidev@1"; -+ __dormant__ { -+ status = "disabled"; -+ }; -+ }; -+ -+ fragment@4 { -+ target-path = "spi1/spidev@2"; -+ __dormant__ { -+ status = "disabled"; -+ }; -+ }; -+ -+ fragment@5 { -+ target-path = "spi2/spidev@0"; -+ __dormant__ { -+ status = "disabled"; -+ }; -+ }; -+ -+ fragment@6 { -+ target-path = "spi2/spidev@1"; -+ __dormant__ { -+ status = "disabled"; -+ }; -+ }; -+ -+ fragment@7 { -+ target-path = "spi2/spidev@2"; -+ __dormant__ { -+ status = "disabled"; -+ }; -+ }; -+ -+ fragment@8 { -+ target = <&spi0>; -+ __dormant__ { -+ status = "okay"; -+ #address-cells = <1>; -+ #size-cells = <0>; -+ -+ mcp3008_00: mcp3008@0 { -+ compatible = "mcp3008"; -+ reg = <0>; -+ spi-max-frequency = <1600000>; -+ }; -+ }; -+ }; -+ -+ fragment@9 { -+ target = <&spi0>; -+ __dormant__ { -+ status = "okay"; -+ #address-cells = <1>; -+ #size-cells = <0>; -+ -+ mcp3008_01: mcp3008@1 { -+ compatible = "mcp3008"; -+ reg = <1>; -+ spi-max-frequency = <1600000>; -+ }; -+ }; -+ }; -+ -+ fragment@10 { -+ target = <&spi1>; -+ __dormant__ { -+ status = "okay"; -+ #address-cells = <1>; -+ #size-cells = <0>; -+ -+ mcp3008_10: mcp3008@0 { -+ compatible = "mcp3008"; -+ reg = <0>; -+ spi-max-frequency = <1600000>; -+ }; -+ }; -+ }; -+ -+ fragment@11 { -+ target = <&spi1>; -+ __dormant__ { -+ status = "okay"; -+ #address-cells = <1>; -+ #size-cells = <0>; -+ -+ mcp3008_11: mcp3008@1 { -+ compatible = "mcp3008"; -+ reg = <1>; -+ spi-max-frequency = <1600000>; -+ }; -+ }; -+ }; -+ -+ fragment@12 { -+ target = <&spi1>; -+ __dormant__ { -+ status = "okay"; -+ #address-cells = <1>; -+ #size-cells = <0>; -+ -+ mcp3008_12: mcp3008@2 { -+ compatible = "mcp3008"; -+ reg = <2>; -+ spi-max-frequency = <1600000>; -+ }; -+ }; -+ }; -+ -+ fragment@13 { -+ target = <&spi2>; -+ __dormant__ { -+ status = "okay"; -+ #address-cells = <1>; -+ #size-cells = <0>; -+ -+ mcp3008_20: mcp3008@0 { -+ compatible = "mcp3008"; -+ reg = <0>; -+ spi-max-frequency = <1600000>; -+ }; -+ }; -+ }; -+ -+ fragment@14 { -+ target = <&spi2>; -+ __dormant__ { -+ status = "okay"; -+ #address-cells = <1>; -+ #size-cells = <0>; -+ -+ mcp3008_21: mcp3008@1 { -+ compatible = "mcp3008"; -+ reg = <1>; -+ spi-max-frequency = <1600000>; -+ }; -+ }; -+ }; -+ -+ fragment@15 { -+ target = <&spi2>; -+ __dormant__ { -+ status = "okay"; -+ #address-cells = <1>; -+ #size-cells = <0>; -+ -+ mcp3008_22: mcp3008@2 { -+ compatible = "mcp3008"; -+ reg = <2>; -+ spi-max-frequency = <1600000>; -+ }; -+ }; -+ }; -+ -+ __overrides__ { -+ spi0-0-present = <0>, "+0+8"; -+ spi0-1-present = <0>, "+1+9"; -+ spi1-0-present = <0>, "+2+10"; -+ spi1-1-present = <0>, "+3+11"; -+ spi1-2-present = <0>, "+4+12"; -+ spi2-0-present = <0>, "+5+13"; -+ spi2-1-present = <0>, "+6+14"; -+ spi2-2-present = <0>, "+7+15"; -+ spi0-0-speed = <&mcp3008_00>, "spi-max-frequency:0"; -+ spi0-1-speed = <&mcp3008_01>, "spi-max-frequency:0"; -+ spi1-0-speed = <&mcp3008_10>, "spi-max-frequency:0"; -+ spi1-1-speed = <&mcp3008_11>, "spi-max-frequency:0"; -+ spi1-2-speed = <&mcp3008_12>, "spi-max-frequency:0"; -+ spi2-0-speed = <&mcp3008_20>, "spi-max-frequency:0"; -+ spi2-1-speed = <&mcp3008_21>, "spi-max-frequency:0"; -+ spi2-2-speed = <&mcp3008_22>, "spi-max-frequency:0"; -+ }; -+}; |