diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0486-Overlay-for-Microchip-MCP23S08-17-SPI-gpio-expanders.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.4/0486-Overlay-for-Microchip-MCP23S08-17-SPI-gpio-expanders.patch | 791 |
1 files changed, 791 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0486-Overlay-for-Microchip-MCP23S08-17-SPI-gpio-expanders.patch b/target/linux/brcm2708/patches-4.4/0486-Overlay-for-Microchip-MCP23S08-17-SPI-gpio-expanders.patch new file mode 100644 index 0000000000..cd54783a3f --- /dev/null +++ b/target/linux/brcm2708/patches-4.4/0486-Overlay-for-Microchip-MCP23S08-17-SPI-gpio-expanders.patch @@ -0,0 +1,791 @@ +From bd7c2eac2ada8f60058768b00935cdfe010720a5 Mon Sep 17 00:00:00 2001 +From: wavelet2 <a3d35232@btinternet.com> +Date: Fri, 19 Aug 2016 09:32:53 +0100 +Subject: [PATCH] Overlay for Microchip MCP23S08/17 SPI gpio expanders (#1566) + +Added Overlay for Microchip MCP23S08/17 SPI gpio expanders +--- + arch/arm/boot/dts/overlays/Makefile | 1 + + arch/arm/boot/dts/overlays/README | 24 + + arch/arm/boot/dts/overlays/mcp23s17-overlay.dts | 732 ++++++++++++++++++++++++ + 3 files changed, 757 insertions(+) + create mode 100644 arch/arm/boot/dts/overlays/mcp23s17-overlay.dts + +--- a/arch/arm/boot/dts/overlays/Makefile ++++ b/arch/arm/boot/dts/overlays/Makefile +@@ -49,6 +49,7 @@ dtbo-$(RPI_DT_OVERLAYS) += justboom-dac. + dtbo-$(RPI_DT_OVERLAYS) += justboom-digi.dtbo + dtbo-$(RPI_DT_OVERLAYS) += lirc-rpi.dtbo + dtbo-$(RPI_DT_OVERLAYS) += mcp23017.dtbo ++dtbo-$(RPI_DT_OVERLAYS) += mcp23s17.dtbo + dtbo-$(RPI_DT_OVERLAYS) += mcp2515-can0.dtbo + dtbo-$(RPI_DT_OVERLAYS) += mcp2515-can1.dtbo + dtbo-$(RPI_DT_OVERLAYS) += mmc.dtbo +--- a/arch/arm/boot/dts/overlays/README ++++ b/arch/arm/boot/dts/overlays/README +@@ -628,6 +628,30 @@ Params: gpiopin Gpio pin + addr I2C address of the MCP23017 (default: 0x20) + + ++Name: mcp23s17 ++Info: Configures the MCP23S08/17 SPI GPIO expanders. ++ If devices are present on SPI1 or SPI2, those interfaces must be enabled ++ with one of the spi1-1/2/3cs and/or spi2-1/2/3cs overlays. ++ If interrupts are enabled for a device on a given CS# on a SPI bus, that ++ device must be the only one present on that SPI bus/CS#. ++Load: dtoverlay=mcp23s17,<param>=<val> ++Params: s08-spi<n>-<m>-present 4-bit integer, bitmap indicating MCP23S08 ++ devices present on SPI<n>, CS#<m> ++ ++ s17-spi<n>-<m>-present 8-bit integer, bitmap indicating MCP23S17 ++ devices present on SPI<n>, CS#<m> ++ ++ s08-spi<n>-<m>-int-gpio integer, enables interrupts on a single ++ MCP23S08 device on SPI<n>, CS#<m>, specifies ++ the GPIO pin to which INT output of MCP23S08 ++ is connected. ++ ++ s17-spi<n>-<m>-int-gpio integer, enables mirrored interrupts on a ++ single MCP23S17 device on SPI<n>, CS#<m>, ++ specifies the GPIO pin to which either INTA ++ or INTB output of MCP23S17 is connected. ++ ++ + Name: mcp2515-can0 + Info: Configures the MCP2515 CAN controller on spi0.0 + Load: dtoverlay=mcp2515-can0,<param>=<val> +--- /dev/null ++++ b/arch/arm/boot/dts/overlays/mcp23s17-overlay.dts +@@ -0,0 +1,732 @@ ++// Overlay for MCP23S08/17 GPIO Extenders from Microchip Semiconductor ++ ++// dtparams: ++// s08-spi<n>-<m>-present - 4-bit integer, bitmap indicating MCP23S08 devices present on SPI<n>, CS#<m>. ++// s17-spi<n>-<m>-present - 8-bit integer, bitmap indicating MCP23S17 devices present on SPI<n>, CS#<m>. ++// s08-spi<n>-<m>-int-gpio - integer, enables interrupts on a single MCP23S08 device on SPI<n>, CS#<m>, specifies the GPIO pin to which INT output is connected. ++// s17-spi<n>-<m>-int-gpio - integer, enables mirrored interrupts on a single MCP23S17 device on SPI<n>, CS#<m>, specifies the GPIO pin to which either INTA or INTB output is connected. ++// ++// If devices are present on SPI1 or SPI2, those interfaces must be enabled with one of the spi1-1/2/3cs and/or spi2-1/2/3cs overlays. ++// If interrupts are enabled for a device on a given CS# on a SPI bus, that device must be the only one present on that SPI bus/CS#. ++// ++// Example 1: A single MCP23S17 device on SPI0, CS#0 with its SPI addr set to 0 and INTA output connected to GPIO25: ++// dtoverlay=mcp23s17:s17-spi0-0-present=1,s17-spi0-0-int-gpio=25 ++// ++// Example 2: Two MCP23S08 devices on SPI1, CS#0 with their addrs set to 2 and 3. Three MCP23S17 devices on SPI1, CS#1 with their addrs set to 0, 1 and 7: ++// dtoverlay=spi1-2cs ++// dtoverlay=mcp23s17:s08-spi1-0-present=12,s17-spi1-1-present=131 ++ ++/dts-v1/; ++/plugin/; ++ ++/ { ++ compatible = "brcm,bcm2835", "brcm,bcm2708", "brcm,bcm2709"; ++ ++ // disable spi-dev on spi0.0 ++ fragment@0 { ++ target = <&spidev0>; ++ __dormant__ { ++ status = "disabled"; ++ }; ++ }; ++ ++ // disable spi-dev on spi0.1 ++ fragment@1 { ++ target = <&spidev1>; ++ __dormant__ { ++ status = "disabled"; ++ }; ++ }; ++ ++ // disable spi-dev on spi1.0 ++ fragment@2 { ++ target-path = "spi1/spidev@0"; ++ __dormant__ { ++ status = "disabled"; ++ }; ++ }; ++ ++ // disable spi-dev on spi1.1 ++ fragment@3 { ++ target-path = "spi1/spidev@1"; ++ __dormant__ { ++ status = "disabled"; ++ }; ++ }; ++ ++ // disable spi-dev on spi1.2 ++ fragment@4 { ++ target-path = "spi1/spidev@2"; ++ __dormant__ { ++ status = "disabled"; ++ }; ++ }; ++ ++ // disable spi-dev on spi2.0 ++ fragment@5 { ++ target-path = "spi2/spidev@0"; ++ __dormant__ { ++ status = "disabled"; ++ }; ++ }; ++ ++ // disable spi-dev on spi2.1 ++ fragment@6 { ++ target-path = "spi2/spidev@1"; ++ __dormant__ { ++ status = "disabled"; ++ }; ++ }; ++ ++ // disable spi-dev on spi2.2 ++ fragment@7 { ++ target-path = "spi2/spidev@2"; ++ __dormant__ { ++ status = "disabled"; ++ }; ++ }; ++ ++ // enable one or more mcp23s08s on spi0.0 ++ fragment@8 { ++ target = <&spi0>; ++ __dormant__ { ++ status = "okay"; ++ #address-cells = <1>; ++ #size-cells = <0>; ++ mcp23s08_00: mcp23s08@0 { ++ compatible = "microchip,mcp23s08"; ++ gpio-controller; ++ #gpio-cells = <2>; ++ microchip,spi-present-mask = <0x00>; /* overwritten by mcp23s08-spi0-0-present parameter */ ++ reg = <0>; ++ spi-max-frequency = <500000>; ++ status = "okay"; ++ #interrupt-cells=<2>; ++ interrupts = <0 2>; /* 1st word overwritten by mcp23s08-spi0-0-int-gpio parameter */ ++ }; ++ }; ++ }; ++ ++ // enable one or more mcp23s08s on spi0.1 ++ fragment@9 { ++ target = <&spi0>; ++ __dormant__ { ++ status = "okay"; ++ #address-cells = <1>; ++ #size-cells = <0>; ++ mcp23s08_01: mcp23s08@1 { ++ compatible = "microchip,mcp23s08"; ++ gpio-controller; ++ #gpio-cells = <2>; ++ microchip,spi-present-mask = <0x00>; /* overwritten by mcp23s08-spi0-1-present parameter */ ++ reg = <1>; ++ spi-max-frequency = <500000>; ++ status = "okay"; ++ #interrupt-cells=<2>; ++ interrupts = <0 2>; /* 1st word overwritten by mcp23s08-spi0-1-int-gpio parameter */ ++ }; ++ }; ++ }; ++ ++ // enable one or more mcp23s08s on spi1.0 ++ fragment@10 { ++ target = <&spi1>; ++ __dormant__ { ++ status = "okay"; ++ #address-cells = <1>; ++ #size-cells = <0>; ++ mcp23s08_10: mcp23s08@0 { ++ compatible = "microchip,mcp23s08"; ++ gpio-controller; ++ #gpio-cells = <2>; ++ microchip,spi-present-mask = <0x00>; /* overwritten by mcp23s08-spi1-0-present parameter */ ++ reg = <0>; ++ spi-max-frequency = <500000>; ++ status = "okay"; ++ #interrupt-cells=<2>; ++ interrupts = <0 2>; /* 1st word overwritten by mcp23s08-spi1-0-int-gpio parameter */ ++ }; ++ }; ++ }; ++ ++ // enable one or more mcp23s08s on spi1.1 ++ fragment@11 { ++ target = <&spi1>; ++ __dormant__ { ++ status = "okay"; ++ #address-cells = <1>; ++ #size-cells = <0>; ++ mcp23s08_11: mcp23s08@1 { ++ compatible = "microchip,mcp23s08"; ++ gpio-controller; ++ #gpio-cells = <2>; ++ microchip,spi-present-mask = <0x00>; /* overwritten by mcp23s08-spi1-1-present parameter */ ++ reg = <1>; ++ spi-max-frequency = <500000>; ++ status = "okay"; ++ #interrupt-cells=<2>; ++ interrupts = <0 2>; /* 1st word overwritten by mcp23s08-spi1-1-int-gpio parameter */ ++ }; ++ }; ++ }; ++ ++ // enable one or more mcp23s08s on spi1.2 ++ fragment@12 { ++ target = <&spi1>; ++ __dormant__ { ++ status = "okay"; ++ #address-cells = <1>; ++ #size-cells = <0>; ++ mcp23s08_12: mcp23s08@2 { ++ compatible = "microchip,mcp23s08"; ++ gpio-controller; ++ #gpio-cells = <2>; ++ microchip,spi-present-mask = <0x00>; /* overwritten by mcp23s08-spi1-2-present parameter */ ++ reg = <2>; ++ spi-max-frequency = <500000>; ++ status = "okay"; ++ #interrupt-cells=<2>; ++ interrupts = <0 2>; /* 1st word overwritten by mcp23s08-spi1-2-int-gpio parameter */ ++ }; ++ }; ++ }; ++ ++ // enable one or more mcp23s08s on spi2.0 ++ fragment@13 { ++ target = <&spi2>; ++ __dormant__ { ++ status = "okay"; ++ #address-cells = <1>; ++ #size-cells = <0>; ++ mcp23s08_20: mcp23s08@0 { ++ compatible = "microchip,mcp23s08"; ++ gpio-controller; ++ #gpio-cells = <2>; ++ microchip,spi-present-mask = <0x00>; /* overwritten by mcp23s08-spi2-0-present parameter */ ++ reg = <0>; ++ spi-max-frequency = <500000>; ++ status = "okay"; ++ #interrupt-cells=<2>; ++ interrupts = <0 2>; /* 1st word overwritten by mcp23s08-spi2-0-int-gpio parameter */ ++ }; ++ }; ++ }; ++ ++ // enable one or more mcp23s08s on spi2.1 ++ fragment@14 { ++ target = <&spi2>; ++ __dormant__ { ++ status = "okay"; ++ #address-cells = <1>; ++ #size-cells = <0>; ++ mcp23s08_21: mcp23s08@1 { ++ compatible = "microchip,mcp23s08"; ++ gpio-controller; ++ #gpio-cells = <2>; ++ microchip,spi-present-mask = <0x00>; /* overwritten by mcp23s08-spi2-1-present parameter */ ++ reg = <1>; ++ spi-max-frequency = <500000>; ++ status = "okay"; ++ #interrupt-cells=<2>; ++ interrupts = <0 2>; /* 1st word overwritten by mcp23s08-spi2-1-int-gpio parameter */ ++ }; ++ }; ++ }; ++ ++ // enable one or more mcp23s08s on spi2.2 ++ fragment@15 { ++ target = <&spi2>; ++ __dormant__ { ++ status = "okay"; ++ #address-cells = <1>; ++ #size-cells = <0>; ++ mcp23s08_22: mcp23s08@2 { ++ compatible = "microchip,mcp23s08"; ++ gpio-controller; ++ #gpio-cells = <2>; ++ microchip,spi-present-mask = <0x00>; /* overwritten by mcp23s08-spi2-2-present parameter */ ++ reg = <2>; ++ spi-max-frequency = <500000>; ++ status = "okay"; ++ #interrupt-cells=<2>; ++ interrupts = <0 2>; /* 1st word overwritten by mcp23s08-spi2-2-int-gpio parameter */ ++ }; ++ }; ++ }; ++ ++ // enable one or more mcp23s17s on spi0.0 ++ fragment@16 { ++ target = <&spi0>; ++ __dormant__ { ++ status = "okay"; ++ #address-cells = <1>; ++ #size-cells = <0>; ++ mcp23s17_00: mcp23s17@0 { ++ compatible = "microchip,mcp23s17"; ++ gpio-controller; ++ #gpio-cells = <2>; ++ microchip,spi-present-mask = <0x00>; /* overwritten by mcp23s17-spi0-0-present parameter */ ++ reg = <0>; ++ spi-max-frequency = <500000>; ++ status = "okay"; ++ #interrupt-cells=<2>; ++ interrupts = <0 2>; /* 1st word overwritten by mcp23s17-spi0-0-int-gpio parameter */ ++ }; ++ }; ++ }; ++ ++ // enable one or more mcp23s17s on spi0.1 ++ fragment@17 { ++ target = <&spi0>; ++ __dormant__ { ++ status = "okay"; ++ #address-cells = <1>; ++ #size-cells = <0>; ++ mcp23s17_01: mcp23s17@1 { ++ compatible = "microchip,mcp23s17"; ++ gpio-controller; ++ #gpio-cells = <2>; ++ microchip,spi-present-mask = <0x00>; /* overwritten by mcp23s17-spi0-1-present parameter */ ++ reg = <1>; ++ spi-max-frequency = <500000>; ++ status = "okay"; ++ #interrupt-cells=<2>; ++ interrupts = <0 2>; /* 1st word overwritten by mcp23s17-spi0-1-int-gpio parameter */ ++ }; ++ }; ++ }; ++ ++ // enable one or more mcp23s17s on spi1.0 ++ fragment@18 { ++ target = <&spi1>; ++ __dormant__ { ++ status = "okay"; ++ #address-cells = <1>; ++ #size-cells = <0>; ++ mcp23s17_10: mcp23s17@0 { ++ compatible = "microchip,mcp23s17"; ++ gpio-controller; ++ #gpio-cells = <2>; ++ microchip,spi-present-mask = <0x00>; /* overwritten by mcp23s17-spi1-0-present parameter */ ++ reg = <0>; ++ spi-max-frequency = <500000>; ++ status = "okay"; ++ #interrupt-cells=<2>; ++ interrupts = <0 2>; /* 1st word overwritten by mcp23s17-spi1-0-int-gpio parameter */ ++ }; ++ }; ++ }; ++ ++ // enable one or more mcp23s17s on spi1.1 ++ fragment@19 { ++ target = <&spi1>; ++ __dormant__ { ++ status = "okay"; ++ #address-cells = <1>; ++ #size-cells = <0>; ++ mcp23s17_11: mcp23s17@1 { ++ compatible = "microchip,mcp23s17"; ++ gpio-controller; ++ #gpio-cells = <2>; ++ microchip,spi-present-mask = <0x00>; /* overwritten by mcp23s17-spi1-1-present parameter */ ++ reg = <1>; ++ spi-max-frequency = <500000>; ++ status = "okay"; ++ #interrupt-cells=<2>; ++ interrupts = <0 2>; /* 1st word overwritten by mcp23s17-spi1-1-int-gpio parameter */ ++ }; ++ }; ++ }; ++ ++ // enable one or more mcp23s17s on spi1.2 ++ fragment@20 { ++ target = <&spi1>; ++ __dormant__ { ++ status = "okay"; ++ #address-cells = <1>; ++ #size-cells = <0>; ++ mcp23s17_12: mcp23s17@2 { ++ compatible = "microchip,mcp23s17"; ++ gpio-controller; ++ #gpio-cells = <2>; ++ microchip,spi-present-mask = <0x00>; /* overwritten by mcp23s17-spi1-2-present parameter */ ++ reg = <2>; ++ spi-max-frequency = <500000>; ++ status = "okay"; ++ #interrupt-cells=<2>; ++ interrupts = <0 2>; /* 1st word overwritten by mcp23s17-spi1-2-int-gpio parameter */ ++ }; ++ }; ++ }; ++ ++ // enable one or more mcp23s17s on spi2.0 ++ fragment@21 { ++ target = <&spi2>; ++ __dormant__ { ++ status = "okay"; ++ #address-cells = <1>; ++ #size-cells = <0>; ++ mcp23s17_20: mcp23s17@0 { ++ compatible = "microchip,mcp23s17"; ++ gpio-controller; ++ #gpio-cells = <2>; ++ microchip,spi-present-mask = <0x00>; /* overwritten by mcp23s17-spi2-0-present parameter */ ++ reg = <0>; ++ spi-max-frequency = <500000>; ++ status = "okay"; ++ #interrupt-cells=<2>; ++ interrupts = <0 2>; /* 1st word overwritten by mcp23s17-spi2-0-int-gpio parameter */ ++ }; ++ }; ++ }; ++ ++ // enable one or more mcp23s17s on spi2.1 ++ fragment@22 { ++ target = <&spi2>; ++ __dormant__ { ++ status = "okay"; ++ #address-cells = <1>; ++ #size-cells = <0>; ++ mcp23s17_21: mcp23s17@1 { ++ compatible = "microchip,mcp23s17"; ++ gpio-controller; ++ #gpio-cells = <2>; ++ microchip,spi-present-mask = <0x00>; /* overwritten by mcp23s17-spi2-1-present parameter */ ++ reg = <1>; ++ spi-max-frequency = <500000>; ++ status = "okay"; ++ #interrupt-cells=<2>; ++ interrupts = <0 2>; /* 1st word overwritten by mcp23s17-spi2-1-int-gpio parameter */ ++ }; ++ }; ++ }; ++ ++ // enable one or more mcp23s17s on spi2.2 ++ fragment@23 { ++ target = <&spi2>; ++ __dormant__ { ++ status = "okay"; ++ #address-cells = <1>; ++ #size-cells = <0>; ++ mcp23s17_22: mcp23s17@2 { ++ compatible = "microchip,mcp23s17"; ++ gpio-controller; ++ #gpio-cells = <2>; ++ microchip,spi-present-mask = <0x00>; /* overwritten by mcp23s17-spi2-2-present parameter */ ++ reg = <2>; ++ spi-max-frequency = <500000>; ++ status = "okay"; ++ #interrupt-cells=<2>; ++ interrupts = <0 2>; /* 1st word overwritten by mcp23s17-spi2-2-int-gpio parameter */ ++ }; ++ }; ++ }; ++ ++ // Configure GPIO pin connected to INT(A/B) output of mcp23s08/17 on spi0.0 as a input with no pull-up/down ++ fragment@24 { ++ target = <&gpio>; ++ __dormant__ { ++ spi0_0_int_pins: spi0_0_int_pins { ++ brcm,pins = <0>; /* overwritten by mcp23s08/17-spi0-0-int-gpio parameter */ ++ brcm,function = <0>; ++ brcm,pull = <0>; ++ }; ++ }; ++ }; ++ ++ // Configure GPIO pin connected to INT(A/B) output of mcp23s08/17 on spi0.1 as a input with no pull-up/down ++ fragment@25 { ++ target = <&gpio>; ++ __dormant__ { ++ spi0_1_int_pins: spi0_1_int_pins { ++ brcm,pins = <0>; /* overwritten by mcp23s08/17-spi0-1-int-gpio parameter */ ++ brcm,function = <0>; ++ brcm,pull = <0>; ++ }; ++ }; ++ }; ++ ++ // Configure GPIO pin connected to INT(A/B) output of mcp23s08/17 on spi1.0 as a input with no pull-up/down ++ fragment@26 { ++ target = <&gpio>; ++ __dormant__ { ++ spi1_0_int_pins: spi1_0_int_pins { ++ brcm,pins = <0>; /* overwritten by mcp23s08/17-spi1-0-int-gpio parameter */ ++ brcm,function = <0>; ++ brcm,pull = <0>; ++ }; ++ }; ++ }; ++ ++ // Configure GPIO pin connected to INT(A/B) output of mcp23s08/17 on spi1.1 as a input with no pull-up/down ++ fragment@27 { ++ target = <&gpio>; ++ __dormant__ { ++ spi1_1_int_pins: spi1_1_int_pins { ++ brcm,pins = <0>; /* overwritten by mcp23s08/17-spi1-1-int-gpio parameter */ ++ brcm,function = <0>; ++ brcm,pull = <0>; ++ }; ++ }; ++ }; ++ ++ // Configure GPIO pin connected to INT(A/B) output of mcp23s08/17 on spi1.2 as a input with no pull-up/down ++ fragment@28 { ++ target = <&gpio>; ++ __dormant__ { ++ spi1_2_int_pins: spi1_2_int_pins { ++ brcm,pins = <0>; /* overwritten by mcp23s08/17-spi1-2-int-gpio parameter */ ++ brcm,function = <0>; ++ brcm,pull = <0>; ++ }; ++ }; ++ }; ++ ++ // Configure GPIO pin connected to INT(A/B) output of mcp23s08/17 on spi2.0 as a input with no pull-up/down ++ fragment@29 { ++ target = <&gpio>; ++ __dormant__ { ++ spi2_0_int_pins: spi2_0_int_pins { ++ brcm,pins = <0>; /* overwritten by mcp23s08/17-spi2-0-int-gpio parameter */ ++ brcm,function = <0>; ++ brcm,pull = <0>; ++ }; ++ }; ++ }; ++ ++ // Configure GPIO pin connected to INT(A/B) output of mcp23s08/17 on spi2.1 as a input with no pull-up/down ++ fragment@30 { ++ target = <&gpio>; ++ __dormant__ { ++ spi2_1_int_pins: spi2_1_int_pins { ++ brcm,pins = <0>; /* overwritten by mcp23s08/17-spi2-1-int-gpio parameter */ ++ brcm,function = <0>; ++ brcm,pull = <0>; ++ }; ++ }; ++ }; ++ ++ // Configure GPIO pin connected to INT(A/B) output of mcp23s08/17 on spi2.2 as a input with no pull-up/down ++ fragment@31 { ++ target = <&gpio>; ++ __dormant__ { ++ spi2_2_int_pins: spi2_2_int_pins { ++ brcm,pins = <0>; /* overwritten by mcp23s08/17-spi2-2-int-gpio parameter */ ++ brcm,function = <0>; ++ brcm,pull = <0>; ++ }; ++ }; ++ }; ++ ++ // Enable interrupts for a mcp23s08 on spi0.0. ++ // Use default active low interrupt signalling. ++ fragment@32 { ++ target = <&mcp23s08_00>; ++ __dormant__ { ++ interrupt-parent = <&gpio>; ++ interrupt-controller; ++ }; ++ }; ++ ++ // Enable interrupts for a mcp23s08 on spi0.1. ++ // Use default active low interrupt signalling. ++ fragment@33 { ++ target = <&mcp23s08_01>; ++ __dormant__ { ++ interrupt-parent = <&gpio>; ++ interrupt-controller; ++ }; ++ }; ++ ++ // Enable interrupts for a mcp23s08 on spi1.0. ++ // Use default active low interrupt signalling. ++ fragment@34 { ++ target = <&mcp23s08_10>; ++ __dormant__ { ++ interrupt-parent = <&gpio>; ++ interrupt-controller; ++ }; ++ }; ++ ++ // Enable interrupts for a mcp23s08 on spi1.1. ++ // Use default active low interrupt signalling. ++ fragment@35 { ++ target = <&mcp23s08_11>; ++ __dormant__ { ++ interrupt-parent = <&gpio>; ++ interrupt-controller; ++ }; ++ }; ++ ++ // Enable interrupts for a mcp23s08 on spi1.2. ++ // Use default active low interrupt signalling. ++ fragment@36 { ++ target = <&mcp23s08_12>; ++ __dormant__ { ++ interrupt-parent = <&gpio>; ++ interrupt-controller; ++ }; ++ }; ++ ++ // Enable interrupts for a mcp23s08 on spi2.0. ++ // Use default active low interrupt signalling. ++ fragment@37 { ++ target = <&mcp23s08_20>; ++ __dormant__ { ++ interrupt-parent = <&gpio>; ++ interrupt-controller; ++ }; ++ }; ++ ++ // Enable interrupts for a mcp23s08 on spi2.1. ++ // Use default active low interrupt signalling. ++ fragment@38 { ++ target = <&mcp23s08_21>; ++ __dormant__ { ++ interrupt-parent = <&gpio>; ++ interrupt-controller; ++ }; ++ }; ++ ++ // Enable interrupts for a mcp23s08 on spi2.2. ++ // Use default active low interrupt signalling. ++ fragment@39 { ++ target = <&mcp23s08_22>; ++ __dormant__ { ++ interrupt-parent = <&gpio>; ++ interrupt-controller; ++ }; ++ }; ++ ++ // Enable interrupts for a mcp23s17 on spi0.0. ++ // Enable mirroring so that either INTA or INTB output of mcp23s17 can be connected to the GPIO pin. ++ // Use default active low interrupt signalling. ++ fragment@40 { ++ target = <&mcp23s17_00>; ++ __dormant__ { ++ interrupt-parent = <&gpio>; ++ interrupt-controller; ++ microchip,irq-mirror; ++ }; ++ }; ++ ++ // Enable interrupts for a mcp23s17 on spi0.1. ++ // Enable mirroring so that either INTA or INTB output of mcp23s17 can be connected to the GPIO pin. ++ // Configure INTA/B outputs of mcp23s08/17 as active low. ++ fragment@41 { ++ target = <&mcp23s17_01>; ++ __dormant__ { ++ interrupt-parent = <&gpio>; ++ interrupt-controller; ++ microchip,irq-mirror; ++ }; ++ }; ++ ++ // Enable interrupts for a mcp23s17 on spi1.0. ++ // Enable mirroring so that either INTA or INTB output of mcp23s17 can be connected to the GPIO pin. ++ // Configure INTA/B outputs of mcp23s08/17 as active low. ++ fragment@42 { ++ target = <&mcp23s17_10>; ++ __dormant__ { ++ interrupt-parent = <&gpio>; ++ interrupt-controller; ++ microchip,irq-mirror; ++ }; ++ }; ++ ++ // Enable interrupts for a mcp23s17 on spi1.1. ++ // Enable mirroring so that either INTA or INTB output of mcp23s17 can be connected to the GPIO pin. ++ // Configure INTA/B outputs of mcp23s08/17 as active low. ++ fragment@43 { ++ target = <&mcp23s17_11>; ++ __dormant__ { ++ interrupt-parent = <&gpio>; ++ interrupt-controller; ++ microchip,irq-mirror; ++ }; ++ }; ++ ++ // Enable interrupts for a mcp23s17 on spi1.2. ++ // Enable mirroring so that either INTA or INTB output of mcp23s17 can be connected to the GPIO pin. ++ // Configure INTA/B outputs of mcp23s08/17 as active low. ++ fragment@44 { ++ target = <&mcp23s17_12>; ++ __dormant__ { ++ interrupt-parent = <&gpio>; ++ interrupt-controller; ++ microchip,irq-mirror; ++ }; ++ }; ++ ++ // Enable interrupts for a mcp23s17 on spi2.0. ++ // Enable mirroring so that either INTA or INTB output of mcp23s17 can be connected to the GPIO pin. ++ // Configure INTA/B outputs of mcp23s08/17 as active low. ++ fragment@45 { ++ target = <&mcp23s17_20>; ++ __dormant__ { ++ interrupt-parent = <&gpio>; ++ interrupt-controller; ++ microchip,irq-mirror; ++ }; ++ }; ++ ++ // Enable interrupts for a mcp23s17 on spi2.1. ++ // Enable mirroring so that either INTA or INTB output of mcp23s17 can be connected to the GPIO pin. ++ // Configure INTA/B outputs of mcp23s08/17 as active low. ++ fragment@46 { ++ target = <&mcp23s17_21>; ++ __dormant__ { ++ interrupt-parent = <&gpio>; ++ interrupt-controller; ++ microchip,irq-mirror; ++ }; ++ }; ++ ++ // Enable interrupts for a mcp23s17 on spi2.2. ++ // Enable mirroring so that either INTA or INTB output of mcp23s17 can be connected to the GPIO pin. ++ // Configure INTA/B outputs of mcp23s08/17 as active low. ++ fragment@47 { ++ target = <&mcp23s17_22>; ++ __dormant__ { ++ interrupt-parent = <&gpio>; ++ interrupt-controller; ++ microchip,irq-mirror; ++ }; ++ }; ++ ++ __overrides__ { ++ s08-spi0-0-present = <0>,"+0+8", <&mcp23s08_00>,"microchip,spi-present-mask:0"; ++ s08-spi0-1-present = <0>,"+1+9", <&mcp23s08_01>,"microchip,spi-present-mask:0"; ++ s08-spi1-0-present = <0>,"+2+10", <&mcp23s08_10>,"microchip,spi-present-mask:0"; ++ s08-spi1-1-present = <0>,"+3+11", <&mcp23s08_11>,"microchip,spi-present-mask:0"; ++ s08-spi1-2-present = <0>,"+4+12", <&mcp23s08_12>,"microchip,spi-present-mask:0"; ++ s08-spi2-0-present = <0>,"+5+13", <&mcp23s08_20>,"microchip,spi-present-mask:0"; ++ s08-spi2-1-present = <0>,"+6+14", <&mcp23s08_21>,"microchip,spi-present-mask:0"; ++ s08-spi2-2-present = <0>,"+7+15", <&mcp23s08_22>,"microchip,spi-present-mask:0"; ++ s17-spi0-0-present = <0>,"+0+16", <&mcp23s17_00>,"microchip,spi-present-mask:0"; ++ s17-spi0-1-present = <0>,"+1+17", <&mcp23s17_01>,"microchip,spi-present-mask:0"; ++ s17-spi1-0-present = <0>,"+2+18", <&mcp23s17_10>,"microchip,spi-present-mask:0"; ++ s17-spi1-1-present = <0>,"+3+19", <&mcp23s17_11>,"microchip,spi-present-mask:0"; ++ s17-spi1-2-present = <0>,"+4+20", <&mcp23s17_12>,"microchip,spi-present-mask:0"; ++ s17-spi2-0-present = <0>,"+5+21", <&mcp23s17_20>,"microchip,spi-present-mask:0"; ++ s17-spi2-1-present = <0>,"+6+22", <&mcp23s17_21>,"microchip,spi-present-mask:0"; ++ s17-spi2-2-present = <0>,"+7+23", <&mcp23s17_22>,"microchip,spi-present-mask:0"; ++ s08-spi0-0-int-gpio = <0>,"+24+32", <&spi0_0_int_pins>,"brcm,pins:0", <&mcp23s08_00>,"interrupts:0"; ++ s08-spi0-1-int-gpio = <0>,"+25+33", <&spi0_1_int_pins>,"brcm,pins:0", <&mcp23s08_01>,"interrupts:0"; ++ s08-spi1-0-int-gpio = <0>,"+26+34", <&spi1_0_int_pins>,"brcm,pins:0", <&mcp23s08_10>,"interrupts:0"; ++ s08-spi1-1-int-gpio = <0>,"+27+35", <&spi1_1_int_pins>,"brcm,pins:0", <&mcp23s08_11>,"interrupts:0"; ++ s08-spi1-2-int-gpio = <0>,"+28+36", <&spi1_2_int_pins>,"brcm,pins:0", <&mcp23s08_12>,"interrupts:0"; ++ s08-spi2-0-int-gpio = <0>,"+29+37", <&spi2_0_int_pins>,"brcm,pins:0", <&mcp23s08_20>,"interrupts:0"; ++ s08-spi2-1-int-gpio = <0>,"+30+38", <&spi2_1_int_pins>,"brcm,pins:0", <&mcp23s08_21>,"interrupts:0"; ++ s08-spi2-2-int-gpio = <0>,"+31+39", <&spi2_2_int_pins>,"brcm,pins:0", <&mcp23s08_22>,"interrupts:0"; ++ s17-spi0-0-int-gpio = <0>,"+24+40", <&spi0_0_int_pins>,"brcm,pins:0", <&mcp23s17_00>,"interrupts:0"; ++ s17-spi0-1-int-gpio = <0>,"+25+41", <&spi0_1_int_pins>,"brcm,pins:0", <&mcp23s17_01>,"interrupts:0"; ++ s17-spi1-0-int-gpio = <0>,"+26+42", <&spi1_0_int_pins>,"brcm,pins:0", <&mcp23s17_10>,"interrupts:0"; ++ s17-spi1-1-int-gpio = <0>,"+27+43", <&spi1_1_int_pins>,"brcm,pins:0", <&mcp23s17_11>,"interrupts:0"; ++ s17-spi1-2-int-gpio = <0>,"+28+44", <&spi1_2_int_pins>,"brcm,pins:0", <&mcp23s17_12>,"interrupts:0"; ++ s17-spi2-0-int-gpio = <0>,"+29+45", <&spi2_0_int_pins>,"brcm,pins:0", <&mcp23s17_20>,"interrupts:0"; ++ s17-spi2-1-int-gpio = <0>,"+30+46", <&spi2_1_int_pins>,"brcm,pins:0", <&mcp23s17_21>,"interrupts:0"; ++ s17-spi2-2-int-gpio = <0>,"+31+47", <&spi2_2_int_pins>,"brcm,pins:0", <&mcp23s17_22>,"interrupts:0"; ++ }; ++}; ++ |