mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-28 01:28:59 +00:00
f07e572f64
bcm2708: boot tested on RPi B+ v1.2 bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G bcm2710: boot tested on RPi 3B v1.2 bcm2711: boot tested on RPi 4B v1.1 4G Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
316 lines
7.4 KiB
Diff
316 lines
7.4 KiB
Diff
From 5a7c48622a4f7665039211414c9fe4a1914ae3eb Mon Sep 17 00:00:00 2001
|
|
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
|
|
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 <dave.stevenson@raspberrypi.com>
|
|
---
|
|
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,<param>=<val>
|
|
+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";
|
|
+ };
|
|
+};
|