From 5a7c48622a4f7665039211414c9fe4a1914ae3eb Mon Sep 17 00:00:00 2001 From: Dave Stevenson Date: Mon, 17 Aug 2020 18:11:47 +0100 Subject: [PATCH] dtoverlays: Add overlay for the PCA953x family of GPIO expanders Adds an overlay for configuring all the GPIO expanders supported by the driver under GPIO_PCA953X. Signed-off-by: Dave Stevenson --- arch/arm/boot/dts/overlays/Makefile | 1 + arch/arm/boot/dts/overlays/README | 36 +++ .../arm/boot/dts/overlays/pca953x-overlay.dts | 240 ++++++++++++++++++ 3 files changed, 277 insertions(+) create mode 100644 arch/arm/boot/dts/overlays/pca953x-overlay.dts --- a/arch/arm/boot/dts/overlays/Makefile +++ b/arch/arm/boot/dts/overlays/Makefile @@ -119,6 +119,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \ ov7251.dtbo \ ov9281.dtbo \ papirus.dtbo \ + pca953x.dtbo \ pibell.dtbo \ piglow.dtbo \ piscreen.dtbo \ --- a/arch/arm/boot/dts/overlays/README +++ b/arch/arm/boot/dts/overlays/README @@ -1873,6 +1873,42 @@ Params: panel Display speed Display SPI bus speed +Name: pca953x +Info: TI PCA953x family of I2C GPIO expanders. Default is for NXP PCA9534. +Load: dtoverlay=pca953x,= +Params: addr I2C address of expander. Default 0x20. + pca6416 Select the NXP PCA6416 (16 bit) + pca9505 Select the NXP PCA9505 (40 bit) + pca9535 Select the NXP PCA9535 (16 bit) + pca9536 Select the NXP PCA9536 or TI PCA9536 (4 bit) + pca9537 Select the NXP PCA9537 (4 bit) + pca9538 Select the NXP PCA9538 (8 bit) + pca9539 Select the NXP PCA9539 (16 bit) + pca9554 Select the NXP PCA9554 (8 bit) + pca9555 Select the NXP PCA9555 (16 bit) + pca9556 Select the NXP PCA9556 (8 bit) + pca9557 Select the NXP PCA9557 (8 bit) + pca9574 Select the NXP PCA9574 (8 bit) + pca9575 Select the NXP PCA9575 (16 bit) + pca9698 Select the NXP PCA9698 (40 bit) + pca16416 Select the NXP PCA16416 (16 bit) + pca16524 Select the NXP PCA16524 (24 bit) + pca19555a Select the NXP PCA19555A (16 bit) + max7310 Select the Maxim MAX7310 (8 bit) + max7312 Select the Maxim MAX7312 (16 bit) + max7313 Select the Maxim MAX7313 (16 bit) + max7315 Select the Maxim MAX7315 (8 bit) + pca6107 Select the TI PCA6107 (8 bit) + tca6408 Select the TI TCA6408 (8 bit) + tca6416 Select the TI TCA6416 (16 bit) + tca6424 Select the TI TCA6424 (24 bit) + tca9539 Select the TI TCA9539 (16 bit) + tca9554 Select the TI TCA9554 (8 bit) + cat9554 Select the Onnn CAT9554 (8 bit) + pca9654 Select the Onnn PCA9654 (8 bit) + xra1202 Select the Exar XRA1202 (8 bit) + + [ The pcf2127-rtc overlay has been deleted. See i2c-rtc. ] --- /dev/null +++ b/arch/arm/boot/dts/overlays/pca953x-overlay.dts @@ -0,0 +1,240 @@ +// Definitions for NXP PCA953x family of I2C GPIO controllers on ARM I2C bus. +/dts-v1/; +/plugin/; + +/{ + compatible = "brcm,bcm2835"; + + fragment@0 { + target = <&i2c_arm>; + __overlay__ { + #address-cells = <1>; + #size-cells = <0>; + status = "okay"; + + pca: pca@20 { + compatible = "nxp,pca9534"; + reg = <0x20>; + gpio-controller; + #gpio-cells = <2>; + + status = "okay"; + }; + }; + }; + + fragment@1 { + target = <&pca>; + __dormant__ { + compatible = "nxp,pca6416"; + }; + }; + fragment@2 { + target = <&pca>; + __dormant__ { + compatible = "nxp,pca9505"; + }; + }; + fragment@3 { + target = <&pca>; + __dormant__ { + compatible = "nxp,pca9535"; + }; + }; + fragment@4 { + target = <&pca>; + __dormant__ { + compatible = "nxp,pca9536"; + }; + }; + fragment@5 { + target = <&pca>; + __dormant__ { + compatible = "nxp,pca9537"; + }; + }; + fragment@6 { + target = <&pca>; + __dormant__ { + compatible = "nxp,pca9538"; + }; + }; + fragment@7 { + target = <&pca>; + __dormant__ { + compatible = "nxp,pca9539"; + }; + }; + fragment@8 { + target = <&pca>; + __dormant__ { + compatible = "nxp,pca9554"; + }; + }; + fragment@9 { + target = <&pca>; + __dormant__ { + compatible = "nxp,pca9555"; + }; + }; + fragment@10 { + target = <&pca>; + __dormant__ { + compatible = "nxp,pca9556"; + }; + }; + fragment@11 { + target = <&pca>; + __dormant__ { + compatible = "nxp,pca9557"; + }; + }; + fragment@12 { + target = <&pca>; + __dormant__ { + compatible = "nxp,pca9574"; + }; + }; + fragment@13 { + target = <&pca>; + __dormant__ { + compatible = "nxp,pca9575"; + }; + }; + fragment@14 { + target = <&pca>; + __dormant__ { + compatible = "nxp,pca9698"; + }; + }; + fragment@15 { + target = <&pca>; + __dormant__ { + compatible = "nxp,pca16416"; + }; + }; + fragment@16 { + target = <&pca>; + __dormant__ { + compatible = "nxp,pca16524"; + }; + }; + fragment@17 { + target = <&pca>; + __dormant__ { + compatible = "nxp,pca19555a"; + }; + }; + fragment@18 { + target = <&pca>; + __dormant__ { + compatible = "maxim,max7310"; + }; + }; + fragment@19 { + target = <&pca>; + __dormant__ { + compatible = "maxim,max7312"; + }; + }; + fragment@20 { + target = <&pca>; + __dormant__ { + compatible = "maxim,max7313"; + }; + }; + fragment@21 { + target = <&pca>; + __dormant__ { + compatible = "maxim,max7315"; + }; + }; + fragment@22 { + target = <&pca>; + __dormant__ { + compatible = "ti,pca6107"; + }; + }; + fragment@23 { + target = <&pca>; + __dormant__ { + compatible = "ti,tca6408"; + }; + }; + fragment@24 { + target = <&pca>; + __dormant__ { + compatible = "ti,tca6416"; + }; + }; + fragment@25 { + target = <&pca>; + __dormant__ { + compatible = "ti,tca6424"; + }; + }; + fragment@26 { + target = <&pca>; + __dormant__ { + compatible = "ti,tca9539"; + }; + }; + fragment@27 { + target = <&pca>; + __dormant__ { + compatible = "ti,tca9554"; + }; + }; + fragment@28 { + target = <&pca>; + __dormant__ { + compatible = "onnn,cat9554"; + }; + }; + fragment@29 { + target = <&pca>; + __dormant__ { + compatible = "onnn,pca9654"; + }; + }; + fragment@30 { + target = <&pca>; + __dormant__ { + compatible = "exar,xra1202"; + }; + }; + + __overrides__ { + addr = <&pca>,"reg:0"; + pca6416 = <0>, "+1"; + pca9505 = <0>, "+2"; + pca9535 = <0>, "+3"; + pca9536 = <0>, "+4"; + pca9537 = <0>, "+5"; + pca9538 = <0>, "+6"; + pca9539 = <0>, "+7"; + pca9554 = <0>, "+8"; + pca9555 = <0>, "+9"; + pca9556 = <0>, "+10"; + pca9557 = <0>, "+11"; + pca9574 = <0>, "+12"; + pca9575 = <0>, "+13"; + pca9698 = <0>, "+14"; + pca16416 = <0>, "+15"; + pca16524 = <0>, "+16"; + pca19555a = <0>, "+17"; + max7310 = <0>, "+18"; + max7312 = <0>, "+19"; + max7313 = <0>, "+20"; + max7315 = <0>, "+21"; + pca6107 = <0>, "+22"; + tca6408 = <0>, "+23"; + tca6416 = <0>, "+24"; + tca6424 = <0>, "+25"; + tca9539 = <0>, "+26"; + tca9554 = <0>, "+27"; + cat9554 = <0>, "+28"; + pca9654 = <0>, "+29"; + xra1202 = <0>, "+30"; + }; +};