diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.14/950-0146-Add-overlay-for-mcp3202-12-bit-ADC.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.14/950-0146-Add-overlay-for-mcp3202-12-bit-ADC.patch | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.14/950-0146-Add-overlay-for-mcp3202-12-bit-ADC.patch b/target/linux/brcm2708/patches-4.14/950-0146-Add-overlay-for-mcp3202-12-bit-ADC.patch new file mode 100644 index 0000000000..39f6a36db5 --- /dev/null +++ b/target/linux/brcm2708/patches-4.14/950-0146-Add-overlay-for-mcp3202-12-bit-ADC.patch @@ -0,0 +1,248 @@ +From ab6b50d10b73ed3150dd80633131b7d56c1c63df Mon Sep 17 00:00:00 2001 +From: penfold42 <penfold42@users.noreply.github.com> +Date: Tue, 2 Jan 2018 00:15:19 +1100 +Subject: [PATCH 146/454] Add overlay for mcp3202 12 bit ADC + +--- + arch/arm/boot/dts/overlays/Makefile | 1 + + arch/arm/boot/dts/overlays/README | 9 + + .../arm/boot/dts/overlays/mcp3202-overlay.dts | 205 ++++++++++++++++++ + 3 files changed, 215 insertions(+) + create mode 100755 arch/arm/boot/dts/overlays/mcp3202-overlay.dts + +--- a/arch/arm/boot/dts/overlays/Makefile ++++ b/arch/arm/boot/dts/overlays/Makefile +@@ -61,6 +61,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \ + mcp2515-can0.dtbo \ + mcp2515-can1.dtbo \ + mcp3008.dtbo \ ++ mcp3202.dtbo \ + media-center.dtbo \ + midi-uart0.dtbo \ + midi-uart1.dtbo \ +--- a/arch/arm/boot/dts/overlays/README ++++ b/arch/arm/boot/dts/overlays/README +@@ -994,6 +994,15 @@ Params: spi<n>-<m>-present boolean, + spi<n>-<m>-speed integer, set the spi bus speed for this device + + ++Name: mcp3202 ++Info: Configures MCP3202 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=mcp3202,<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: 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/mcp3202-overlay.dts +@@ -0,0 +1,205 @@ ++/* ++ * Device tree overlay for Microchip mcp3202 12-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>; ++ ++ mcp3202_00: mcp3202@0 { ++ compatible = "mcp3202"; ++ reg = <0>; ++ spi-max-frequency = <1600000>; ++ }; ++ }; ++ }; ++ ++ fragment@9 { ++ target = <&spi0>; ++ __dormant__ { ++ status = "okay"; ++ #address-cells = <1>; ++ #size-cells = <0>; ++ ++ mcp3202_01: mcp3202@1 { ++ compatible = "mcp3202"; ++ reg = <1>; ++ spi-max-frequency = <1600000>; ++ }; ++ }; ++ }; ++ ++ fragment@10 { ++ target = <&spi1>; ++ __dormant__ { ++ status = "okay"; ++ #address-cells = <1>; ++ #size-cells = <0>; ++ ++ mcp3202_10: mcp3202@0 { ++ compatible = "mcp3202"; ++ reg = <0>; ++ spi-max-frequency = <1600000>; ++ }; ++ }; ++ }; ++ ++ fragment@11 { ++ target = <&spi1>; ++ __dormant__ { ++ status = "okay"; ++ #address-cells = <1>; ++ #size-cells = <0>; ++ ++ mcp3202_11: mcp3202@1 { ++ compatible = "mcp3202"; ++ reg = <1>; ++ spi-max-frequency = <1600000>; ++ }; ++ }; ++ }; ++ ++ fragment@12 { ++ target = <&spi1>; ++ __dormant__ { ++ status = "okay"; ++ #address-cells = <1>; ++ #size-cells = <0>; ++ ++ mcp3202_12: mcp3202@2 { ++ compatible = "mcp3202"; ++ reg = <2>; ++ spi-max-frequency = <1600000>; ++ }; ++ }; ++ }; ++ ++ fragment@13 { ++ target = <&spi2>; ++ __dormant__ { ++ status = "okay"; ++ #address-cells = <1>; ++ #size-cells = <0>; ++ ++ mcp3202_20: mcp3202@0 { ++ compatible = "mcp3202"; ++ reg = <0>; ++ spi-max-frequency = <1600000>; ++ }; ++ }; ++ }; ++ ++ fragment@14 { ++ target = <&spi2>; ++ __dormant__ { ++ status = "okay"; ++ #address-cells = <1>; ++ #size-cells = <0>; ++ ++ mcp3202_21: mcp3202@1 { ++ compatible = "mcp3202"; ++ reg = <1>; ++ spi-max-frequency = <1600000>; ++ }; ++ }; ++ }; ++ ++ fragment@15 { ++ target = <&spi2>; ++ __dormant__ { ++ status = "okay"; ++ #address-cells = <1>; ++ #size-cells = <0>; ++ ++ mcp3202_22: mcp3202@2 { ++ compatible = "mcp3202"; ++ 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 = <&mcp3202_00>, "spi-max-frequency:0"; ++ spi0-1-speed = <&mcp3202_01>, "spi-max-frequency:0"; ++ spi1-0-speed = <&mcp3202_10>, "spi-max-frequency:0"; ++ spi1-1-speed = <&mcp3202_11>, "spi-max-frequency:0"; ++ spi1-2-speed = <&mcp3202_12>, "spi-max-frequency:0"; ++ spi2-0-speed = <&mcp3202_20>, "spi-max-frequency:0"; ++ spi2-1-speed = <&mcp3202_21>, "spi-max-frequency:0"; ++ spi2-2-speed = <&mcp3202_22>, "spi-max-frequency:0"; ++ }; ++}; |