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Message-ID: <20200623024935.GG30139@dragon>
Date: Tue, 23 Jun 2020 10:49:36 +0800
From: Shawn Guo <shawnguo@...nel.org>
To: Tim Harvey <tharvey@...eworks.com>
Cc: Sascha Hauer <s.hauer@...gutronix.de>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Fabio Estevam <festevam@...il.com>, devicetree@...r.kernel.org,
Rob Herring <robh+dt@...nel.org>,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
rjones@...eworks.com
Subject: Re: [PATCH v2] ARM: dts: imx6qdl-gw: add Gateworks System Controller
support
On Thu, Jun 18, 2020 at 09:19:09AM -0700, Tim Harvey wrote:
> Add Gateworks System Controller support to Gateworks Ventana boards:
> - add dt bindings for GSC mfd driver and hwmon driver for ADC's and
> fan controllers.
> - add dt bindings for gpio-keys driver for push-button and interrupt events
>
> Signed-off-by: Tim Harvey <tharvey@...eworks.com>
> ---
> v2:
> - use keycode bindings from linux-event-codes.h
> - fix gw5910/gw5913 vdd_bat ADC mode (these boards use 16bit pre-scaled ADC)
>
> ---
> arch/arm/boot/dts/imx6qdl-gw51xx.dtsi | 153 +++++++++++++++++++++++++++++--
> arch/arm/boot/dts/imx6qdl-gw52xx.dtsi | 159 ++++++++++++++++++++++++++++++--
> arch/arm/boot/dts/imx6qdl-gw53xx.dtsi | 165 +++++++++++++++++++++++++++++++--
> arch/arm/boot/dts/imx6qdl-gw54xx.dtsi | 167 ++++++++++++++++++++++++++++++++--
> arch/arm/boot/dts/imx6qdl-gw551x.dtsi | 147 ++++++++++++++++++++++++++++--
> arch/arm/boot/dts/imx6qdl-gw552x.dtsi | 153 +++++++++++++++++++++++++++++--
> arch/arm/boot/dts/imx6qdl-gw553x.dtsi | 141 +++++++++++++++++++++++++++-
> arch/arm/boot/dts/imx6qdl-gw560x.dtsi | 164 +++++++++++++++++++++++++++++++--
> arch/arm/boot/dts/imx6qdl-gw5903.dtsi | 140 +++++++++++++++++++++++++++-
> arch/arm/boot/dts/imx6qdl-gw5904.dtsi | 141 +++++++++++++++++++++++++++-
> arch/arm/boot/dts/imx6qdl-gw5907.dtsi | 142 ++++++++++++++++++++++++++++-
> arch/arm/boot/dts/imx6qdl-gw5910.dtsi | 160 +++++++++++++++++++++++++++++++-
> arch/arm/boot/dts/imx6qdl-gw5912.dtsi | 147 +++++++++++++++++++++++++++++-
> arch/arm/boot/dts/imx6qdl-gw5913.dtsi | 153 ++++++++++++++++++++++++++++++-
> 14 files changed, 2075 insertions(+), 57 deletions(-)
>
> diff --git a/arch/arm/boot/dts/imx6qdl-gw51xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw51xx.dtsi
> index 419a7cd..712458d 100644
> --- a/arch/arm/boot/dts/imx6qdl-gw51xx.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-gw51xx.dtsi
> @@ -4,6 +4,7 @@
> */
>
> #include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/linux-event-codes.h>
>
> / {
> /* these are used by bootloader for disabling nodes */
> @@ -19,6 +20,53 @@
> bootargs = "console=ttymxc1,115200";
> };
>
> + gpio_keys {
We use hyphen instead of underscore in node name.
Shawn
> + compatible = "gpio-keys";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + user_pb {
> + label = "user_pb";
> + gpios = <&gsc_gpio 0 GPIO_ACTIVE_LOW>;
> + linux,code = <BTN_0>;
> + };
> +
> + user_pb1x {
> + label = "user_pb1x";
> + linux,code = <BTN_1>;
> + interrupt-parent = <&gsc>;
> + interrupts = <0>;
> + };
> +
> + key_erased {
> + label = "key-erased";
> + linux,code = <BTN_2>;
> + interrupt-parent = <&gsc>;
> + interrupts = <1>;
> + };
> +
> + eeprom_wp {
> + label = "eeprom_wp";
> + linux,code = <BTN_3>;
> + interrupt-parent = <&gsc>;
> + interrupts = <2>;
> + };
> +
> + tamper {
> + label = "tamper";
> + linux,code = <BTN_4>;
> + interrupt-parent = <&gsc>;
> + interrupts = <5>;
> + };
> +
> + switch_hold {
> + label = "switch_hold";
> + linux,code = <BTN_5>;
> + interrupt-parent = <&gsc>;
> + interrupts = <7>;
> + };
> + };
> +
> leds {
> compatible = "gpio-leds";
> pinctrl-names = "default";
> @@ -102,6 +150,103 @@
> pinctrl-0 = <&pinctrl_i2c1>;
> status = "okay";
>
> + gsc: gsc@20 {
> + compatible = "gw,gsc";
> + reg = <0x20>;
> + interrupt-parent = <&gpio1>;
> + interrupts = <4 GPIO_ACTIVE_LOW>;
> + interrupt-controller;
> + #interrupt-cells = <1>;
> + #size-cells = <0>;
> +
> + adc {
> + compatible = "gw,gsc-adc";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + channel@0 {
> + gw,mode = <0>;
> + reg = <0x00>;
> + label = "temp";
> + };
> +
> + channel@2 {
> + gw,mode = <1>;
> + reg = <0x02>;
> + label = "vdd_vin";
> + };
> +
> + channel@5 {
> + gw,mode = <1>;
> + reg = <0x05>;
> + label = "vdd_3p3";
> + };
> +
> + channel@8 {
> + gw,mode = <1>;
> + reg = <0x08>;
> + label = "vdd_bat";
> + };
> +
> + channel@b {
> + gw,mode = <1>;
> + reg = <0x0b>;
> + label = "vdd_5p0";
> + };
> +
> + channel@e {
> + gw,mode = <1>;
> + reg = <0xe>;
> + label = "vdd_arm";
> + };
> +
> + channel@11 {
> + gw,mode = <1>;
> + reg = <0x11>;
> + label = "vdd_soc";
> + };
> +
> + channel@14 {
> + gw,mode = <1>;
> + reg = <0x14>;
> + label = "vdd_3p0";
> + };
> +
> + channel@17 {
> + gw,mode = <1>;
> + reg = <0x17>;
> + label = "vdd_1p5";
> + };
> +
> + channel@1d {
> + gw,mode = <1>;
> + reg = <0x1d>;
> + label = "vdd_1p8";
> + };
> +
> + channel@20 {
> + gw,mode = <1>;
> + reg = <0x20>;
> + label = "vdd_an1";
> + };
> +
> + channel@23 {
> + gw,mode = <1>;
> + reg = <0x23>;
> + label = "vdd_2p5";
> + };
> + };
> + };
> +
> + gsc_gpio: pca9555@23 {
> + compatible = "nxp,pca9555";
> + reg = <0x23>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + interrupt-parent = <&gsc>;
> + interrupts = <4>;
> + };
> +
> eeprom1: eeprom@50 {
> compatible = "atmel,24c02";
> reg = <0x50>;
> @@ -126,13 +271,6 @@
> pagesize = <16>;
> };
>
> - gpio: pca9555@23 {
> - compatible = "nxp,pca9555";
> - reg = <0x23>;
> - gpio-controller;
> - #gpio-cells = <2>;
> - };
> -
> rtc: ds1672@68 {
> compatible = "dallas,ds1672";
> reg = <0x68>;
> @@ -387,6 +525,7 @@
> fsl,pins = <
> MX6QDL_PAD_EIM_D21__I2C1_SCL 0x4001b8b1
> MX6QDL_PAD_EIM_D28__I2C1_SDA 0x4001b8b1
> + MX6QDL_PAD_GPIO_4__GPIO1_IO04 0x0001b0b0 /* GSC_IRQ# */
> >;
> };
>
> diff --git a/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi
> index 60563ff..68dd8ef31 100644
> --- a/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi
> @@ -4,6 +4,7 @@
> */
>
> #include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/linux-event-codes.h>
>
> / {
> /* these are used by bootloader for disabling nodes */
> @@ -28,6 +29,53 @@
> default-brightness-level = <7>;
> };
>
> + gpio_keys {
> + compatible = "gpio-keys";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + user_pb {
> + label = "user_pb";
> + gpios = <&gsc_gpio 0 GPIO_ACTIVE_LOW>;
> + linux,code = <BTN_0>;
> + };
> +
> + user_pb1x {
> + label = "user_pb1x";
> + linux,code = <BTN_1>;
> + interrupt-parent = <&gsc>;
> + interrupts = <0>;
> + };
> +
> + key_erased {
> + label = "key-erased";
> + linux,code = <BTN_2>;
> + interrupt-parent = <&gsc>;
> + interrupts = <1>;
> + };
> +
> + eeprom_wp {
> + label = "eeprom_wp";
> + linux,code = <BTN_3>;
> + interrupt-parent = <&gsc>;
> + interrupts = <2>;
> + };
> +
> + tamper {
> + label = "tamper";
> + linux,code = <BTN_4>;
> + interrupt-parent = <&gsc>;
> + interrupts = <5>;
> + };
> +
> + switch_hold {
> + label = "switch_hold";
> + linux,code = <BTN_5>;
> + interrupt-parent = <&gsc>;
> + interrupts = <7>;
> + };
> + };
> +
> leds {
> compatible = "gpio-leds";
> pinctrl-names = "default";
> @@ -165,6 +213,109 @@
> pinctrl-0 = <&pinctrl_i2c1>;
> status = "okay";
>
> + gsc: gsc@20 {
> + compatible = "gw,gsc";
> + reg = <0x20>;
> + interrupt-parent = <&gpio1>;
> + interrupts = <4 GPIO_ACTIVE_LOW>;
> + interrupt-controller;
> + #interrupt-cells = <1>;
> + #size-cells = <0>;
> +
> + adc {
> + compatible = "gw,gsc-adc";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + channel@0 {
> + gw,mode = <0>;
> + reg = <0x00>;
> + label = "temp";
> + };
> +
> + channel@2 {
> + gw,mode = <1>;
> + reg = <0x02>;
> + label = "vdd_vin";
> + };
> +
> + channel@5 {
> + gw,mode = <1>;
> + reg = <0x05>;
> + label = "vdd_3p3";
> + };
> +
> + channel@8 {
> + gw,mode = <1>;
> + reg = <0x08>;
> + label = "vdd_bat";
> + };
> +
> + channel@b {
> + gw,mode = <1>;
> + reg = <0x0b>;
> + label = "vdd_5p0";
> + };
> +
> + channel@e {
> + gw,mode = <1>;
> + reg = <0xe>;
> + label = "vdd_arm";
> + };
> +
> + channel@11 {
> + gw,mode = <1>;
> + reg = <0x11>;
> + label = "vdd_soc";
> + };
> +
> + channel@14 {
> + gw,mode = <1>;
> + reg = <0x14>;
> + label = "vdd_3p0";
> + };
> +
> + channel@17 {
> + gw,mode = <1>;
> + reg = <0x17>;
> + label = "vdd_1p5";
> + };
> +
> + channel@1d {
> + gw,mode = <1>;
> + reg = <0x1d>;
> + label = "vdd_1p8";
> + };
> +
> + channel@20 {
> + gw,mode = <1>;
> + reg = <0x20>;
> + label = "vdd_1p0";
> + };
> +
> + channel@23 {
> + gw,mode = <1>;
> + reg = <0x23>;
> + label = "vdd_2p5";
> + };
> +
> + channel@29 {
> + gw,mode = <1>;
> + reg = <0x29>;
> + label = "vdd_an1";
> + };
> + };
> + };
> +
> + gsc_gpio: pca9555@23 {
> + compatible = "nxp,pca9555";
> + reg = <0x23>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + interrupt-parent = <&gsc>;
> + interrupts = <4>;
> + };
> +
> eeprom1: eeprom@50 {
> compatible = "atmel,24c02";
> reg = <0x50>;
> @@ -189,13 +340,6 @@
> pagesize = <16>;
> };
>
> - gpio: pca9555@23 {
> - compatible = "nxp,pca9555";
> - reg = <0x23>;
> - gpio-controller;
> - #gpio-cells = <2>;
> - };
> -
> rtc: ds1672@68 {
> compatible = "dallas,ds1672";
> reg = <0x68>;
> @@ -504,6 +648,7 @@
> fsl,pins = <
> MX6QDL_PAD_EIM_D21__I2C1_SCL 0x4001b8b1
> MX6QDL_PAD_EIM_D28__I2C1_SDA 0x4001b8b1
> + MX6QDL_PAD_GPIO_4__GPIO1_IO04 0xb0b1
> >;
> };
>
> diff --git a/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi
> index 8942bec..b583226 100644
> --- a/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-gw53xx.dtsi
> @@ -4,6 +4,7 @@
> */
>
> #include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/linux-event-codes.h>
>
> / {
> /* these are used by bootloader for disabling nodes */
> @@ -28,6 +29,53 @@
> default-brightness-level = <7>;
> };
>
> + gpio_keys {
> + compatible = "gpio-keys";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + user_pb {
> + label = "user_pb";
> + gpios = <&gsc_gpio 0 GPIO_ACTIVE_LOW>;
> + linux,code = <BTN_0>;
> + };
> +
> + user_pb1x {
> + label = "user_pb1x";
> + linux,code = <BTN_1>;
> + interrupt-parent = <&gsc>;
> + interrupts = <0>;
> + };
> +
> + key_erased {
> + label = "key-erased";
> + linux,code = <BTN_2>;
> + interrupt-parent = <&gsc>;
> + interrupts = <1>;
> + };
> +
> + eeprom_wp {
> + label = "eeprom_wp";
> + linux,code = <BTN_3>;
> + interrupt-parent = <&gsc>;
> + interrupts = <2>;
> + };
> +
> + tamper {
> + label = "tamper";
> + linux,code = <BTN_4>;
> + interrupt-parent = <&gsc>;
> + interrupts = <5>;
> + };
> +
> + switch_hold {
> + label = "switch_hold";
> + linux,code = <BTN_5>;
> + interrupt-parent = <&gsc>;
> + interrupts = <7>;
> + };
> + };
> +
> leds {
> compatible = "gpio-leds";
> pinctrl-names = "default";
> @@ -158,6 +206,115 @@
> pinctrl-0 = <&pinctrl_i2c1>;
> status = "okay";
>
> + gsc: gsc@20 {
> + compatible = "gw,gsc";
> + reg = <0x20>;
> + interrupt-parent = <&gpio1>;
> + interrupts = <4 GPIO_ACTIVE_LOW>;
> + interrupt-controller;
> + #interrupt-cells = <1>;
> + #size-cells = <0>;
> +
> + adc {
> + compatible = "gw,gsc-adc";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + channel@0 {
> + gw,mode = <0>;
> + reg = <0x00>;
> + label = "temp";
> + };
> +
> + channel@2 {
> + gw,mode = <1>;
> + reg = <0x02>;
> + label = "vdd_vin";
> + };
> +
> + channel@5 {
> + gw,mode = <1>;
> + reg = <0x05>;
> + label = "vdd_3p3";
> + };
> +
> + channel@8 {
> + gw,mode = <1>;
> + reg = <0x08>;
> + label = "vdd_bat";
> + };
> +
> + channel@b {
> + gw,mode = <1>;
> + reg = <0x0b>;
> + label = "vdd_5p0";
> + };
> +
> + channel@e {
> + gw,mode = <1>;
> + reg = <0xe>;
> + label = "vdd_arm";
> + };
> +
> + channel@11 {
> + gw,mode = <1>;
> + reg = <0x11>;
> + label = "vdd_soc";
> + };
> +
> + channel@14 {
> + gw,mode = <1>;
> + reg = <0x14>;
> + label = "vdd_3p0";
> + };
> +
> + channel@17 {
> + gw,mode = <1>;
> + reg = <0x17>;
> + label = "vdd_1p5";
> + };
> +
> + channel@1d {
> + gw,mode = <1>;
> + reg = <0x1d>;
> + label = "vdd_1p8";
> + };
> +
> + channel@20 {
> + gw,mode = <1>;
> + reg = <0x20>;
> + label = "vdd_1p0";
> + };
> +
> + channel@23 {
> + gw,mode = <1>;
> + reg = <0x23>;
> + label = "vdd_2p5";
> + };
> +
> + channel@26 {
> + gw,mode = <1>;
> + reg = <0x26>;
> + label = "vdd_gps";
> + };
> +
> + channel@29 {
> + gw,mode = <1>;
> + reg = <0x29>;
> + label = "vdd_an1";
> + };
> + };
> + };
> +
> + gsc_gpio: pca9555@23 {
> + compatible = "nxp,pca9555";
> + reg = <0x23>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + interrupt-parent = <&gsc>;
> + interrupts = <4>;
> + };
> +
> eeprom1: eeprom@50 {
> compatible = "atmel,24c02";
> reg = <0x50>;
> @@ -182,13 +339,6 @@
> pagesize = <16>;
> };
>
> - gpio: pca9555@23 {
> - compatible = "nxp,pca9555";
> - reg = <0x23>;
> - gpio-controller;
> - #gpio-cells = <2>;
> - };
> -
> rtc: ds1672@68 {
> compatible = "dallas,ds1672";
> reg = <0x68>;
> @@ -486,6 +636,7 @@
> fsl,pins = <
> MX6QDL_PAD_EIM_D21__I2C1_SCL 0x4001b8b1
> MX6QDL_PAD_EIM_D28__I2C1_SDA 0x4001b8b1
> + MX6QDL_PAD_GPIO_4__GPIO1_IO04 0xb0b1
> >;
> };
>
> diff --git a/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi
> index c40583d..3c00423 100644
> --- a/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-gw54xx.dtsi
> @@ -4,6 +4,7 @@
> */
>
> #include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/linux-event-codes.h>
> #include <dt-bindings/sound/fsl-imx-audmux.h>
>
> / {
> @@ -29,6 +30,53 @@
> default-brightness-level = <7>;
> };
>
> + gpio_keys {
> + compatible = "gpio-keys";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + user_pb {
> + label = "user_pb";
> + gpios = <&gsc_gpio 0 GPIO_ACTIVE_LOW>;
> + linux,code = <BTN_0>;
> + };
> +
> + user_pb1x {
> + label = "user_pb1x";
> + linux,code = <BTN_1>;
> + interrupt-parent = <&gsc>;
> + interrupts = <0>;
> + };
> +
> + key_erased {
> + label = "key-erased";
> + linux,code = <BTN_2>;
> + interrupt-parent = <&gsc>;
> + interrupts = <1>;
> + };
> +
> + eeprom_wp {
> + label = "eeprom_wp";
> + linux,code = <BTN_3>;
> + interrupt-parent = <&gsc>;
> + interrupts = <2>;
> + };
> +
> + tamper {
> + label = "tamper";
> + linux,code = <BTN_4>;
> + interrupt-parent = <&gsc>;
> + interrupts = <5>;
> + };
> +
> + switch_hold {
> + label = "switch_hold";
> + linux,code = <BTN_5>;
> + interrupt-parent = <&gsc>;
> + interrupts = <7>;
> + };
> + };
> +
> leds {
> compatible = "gpio-leds";
> pinctrl-names = "default";
> @@ -195,6 +243,117 @@
> pinctrl-0 = <&pinctrl_i2c1>;
> status = "okay";
>
> + gsc: gsc@20 {
> + compatible = "gw,gsc";
> + reg = <0x20>;
> + interrupt-parent = <&gpio1>;
> + interrupts = <4 GPIO_ACTIVE_LOW>;
> + interrupt-controller;
> + #interrupt-cells = <1>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + adc {
> + compatible = "gw,gsc-adc";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + channel@0 {
> + gw,mode = <0>;
> + reg = <0x00>;
> + label = "temp";
> + };
> +
> + channel@2 {
> + gw,mode = <1>;
> + reg = <0x02>;
> + label = "vdd_vin";
> + };
> +
> + channel@5 {
> + gw,mode = <1>;
> + reg = <0x05>;
> + label = "vdd_3p3";
> + };
> +
> + channel@8 {
> + gw,mode = <1>;
> + reg = <0x08>;
> + label = "vdd_bat";
> + };
> +
> + channel@b {
> + gw,mode = <1>;
> + reg = <0x0b>;
> + label = "vdd_5p0";
> + };
> +
> + channel@e {
> + gw,mode = <1>;
> + reg = <0xe>;
> + label = "vdd_arm";
> + };
> +
> + channel@11 {
> + gw,mode = <1>;
> + reg = <0x11>;
> + label = "vdd_soc";
> + };
> +
> + channel@14 {
> + gw,mode = <1>;
> + reg = <0x14>;
> + label = "vdd_3p0";
> + };
> +
> + channel@17 {
> + gw,mode = <1>;
> + reg = <0x17>;
> + label = "vdd_1p5";
> + };
> +
> + channel@1d {
> + gw,mode = <1>;
> + reg = <0x1d>;
> + label = "vdd_1p8";
> + };
> +
> + channel@20 {
> + gw,mode = <1>;
> + reg = <0x20>;
> + label = "vdd_1p0";
> + };
> +
> + channel@23 {
> + gw,mode = <1>;
> + reg = <0x23>;
> + label = "vdd_2p5";
> + };
> +
> + channel@26 {
> + gw,mode = <1>;
> + reg = <0x26>;
> + label = "vdd_gps";
> + };
> + };
> +
> + fan-controller@2c {
> + compatible = "gw,gsc-fan";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x2c>;
> + };
> + };
> +
> + gsc_gpio: pca9555@23 {
> + compatible = "nxp,pca9555";
> + reg = <0x23>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + interrupt-parent = <&gsc>;
> + interrupts = <4>;
> + };
> +
> eeprom1: eeprom@50 {
> compatible = "atmel,24c02";
> reg = <0x50>;
> @@ -219,13 +378,6 @@
> pagesize = <16>;
> };
>
> - gpio: pca9555@23 {
> - compatible = "nxp,pca9555";
> - reg = <0x23>;
> - gpio-controller;
> - #gpio-cells = <2>;
> - };
> -
> rtc: ds1672@68 {
> compatible = "dallas,ds1672";
> reg = <0x68>;
> @@ -571,6 +723,7 @@
> fsl,pins = <
> MX6QDL_PAD_EIM_D21__I2C1_SCL 0x4001b8b1
> MX6QDL_PAD_EIM_D28__I2C1_SDA 0x4001b8b1
> + MX6QDL_PAD_GPIO_4__GPIO1_IO04 0xb0b1
> >;
> };
>
> diff --git a/arch/arm/boot/dts/imx6qdl-gw551x.dtsi b/arch/arm/boot/dts/imx6qdl-gw551x.dtsi
> index c38e86e..1e2c7a7 100644
> --- a/arch/arm/boot/dts/imx6qdl-gw551x.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-gw551x.dtsi
> @@ -47,6 +47,7 @@
>
> #include <dt-bindings/gpio/gpio.h>
> #include <dt-bindings/media/tda1997x.h>
> +#include <dt-bindings/input/linux-event-codes.h>
> #include <dt-bindings/sound/fsl-imx-audmux.h>
>
> / {
> @@ -63,6 +64,53 @@
> bootargs = "console=ttymxc1,115200";
> };
>
> + gpio_keys {
> + compatible = "gpio-keys";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + user_pb {
> + label = "user_pb";
> + gpios = <&gsc_gpio 0 GPIO_ACTIVE_LOW>;
> + linux,code = <BTN_0>;
> + };
> +
> + user_pb1x {
> + label = "user_pb1x";
> + linux,code = <BTN_1>;
> + interrupt-parent = <&gsc>;
> + interrupts = <0>;
> + };
> +
> + key_erased {
> + label = "key-erased";
> + linux,code = <BTN_2>;
> + interrupt-parent = <&gsc>;
> + interrupts = <1>;
> + };
> +
> + eeprom_wp {
> + label = "eeprom_wp";
> + linux,code = <BTN_3>;
> + interrupt-parent = <&gsc>;
> + interrupts = <2>;
> + };
> +
> + tamper {
> + label = "tamper";
> + linux,code = <BTN_4>;
> + interrupt-parent = <&gsc>;
> + interrupts = <5>;
> + };
> +
> + switch_hold {
> + label = "switch_hold";
> + linux,code = <BTN_5>;
> + interrupt-parent = <&gsc>;
> + interrupts = <7>;
> + };
> + };
> +
> leds {
> compatible = "gpio-leds";
> pinctrl-names = "default";
> @@ -167,6 +215,97 @@
> pinctrl-0 = <&pinctrl_i2c1>;
> status = "okay";
>
> + gsc: gsc@20 {
> + compatible = "gw,gsc";
> + reg = <0x20>;
> + interrupt-parent = <&gpio1>;
> + interrupts = <4 GPIO_ACTIVE_LOW>;
> + interrupt-controller;
> + #interrupt-cells = <1>;
> + #size-cells = <0>;
> +
> + adc {
> + compatible = "gw,gsc-adc";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + channel@0 {
> + gw,mode = <0>;
> + reg = <0x00>;
> + label = "temp";
> + };
> +
> + channel@2 {
> + gw,mode = <1>;
> + reg = <0x02>;
> + label = "vdd_vin";
> + };
> +
> + channel@5 {
> + gw,mode = <1>;
> + reg = <0x05>;
> + label = "vdd_3p3";
> + };
> +
> + channel@8 {
> + gw,mode = <1>;
> + reg = <0x08>;
> + label = "vdd_bat";
> + };
> +
> + channel@b {
> + gw,mode = <1>;
> + reg = <0x0b>;
> + label = "vdd_5p0";
> + };
> +
> + channel@e {
> + gw,mode = <1>;
> + reg = <0xe>;
> + label = "vdd_arm";
> + };
> +
> + channel@11 {
> + gw,mode = <1>;
> + reg = <0x11>;
> + label = "vdd_soc";
> + };
> +
> + channel@14 {
> + gw,mode = <1>;
> + reg = <0x14>;
> + label = "vdd_3p0";
> + };
> +
> + channel@17 {
> + gw,mode = <1>;
> + reg = <0x17>;
> + label = "vdd_1p5";
> + };
> +
> + channel@1d {
> + gw,mode = <1>;
> + reg = <0x1d>;
> + label = "vdd_1p8a";
> + };
> +
> + channel@20 {
> + gw,mode = <1>;
> + reg = <0x20>;
> + label = "vdd_1p0b";
> + };
> + };
> + };
> +
> + gsc_gpio: pca9555@23 {
> + compatible = "nxp,pca9555";
> + reg = <0x23>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + interrupt-parent = <&gsc>;
> + interrupts = <4>;
> + };
> +
> eeprom1: eeprom@50 {
> compatible = "atmel,24c02";
> reg = <0x50>;
> @@ -191,13 +330,6 @@
> pagesize = <16>;
> };
>
> - gpio: pca9555@23 {
> - compatible = "nxp,pca9555";
> - reg = <0x23>;
> - gpio-controller;
> - #gpio-cells = <2>;
> - };
> -
> rtc: ds1672@68 {
> compatible = "dallas,ds1672";
> reg = <0x68>;
> @@ -464,6 +596,7 @@
> fsl,pins = <
> MX6QDL_PAD_EIM_D21__I2C1_SCL 0x4001b8b1
> MX6QDL_PAD_EIM_D28__I2C1_SDA 0x4001b8b1
> + MX6QDL_PAD_GPIO_4__GPIO1_IO04 0xb0b1
> >;
> };
>
> diff --git a/arch/arm/boot/dts/imx6qdl-gw552x.dtsi b/arch/arm/boot/dts/imx6qdl-gw552x.dtsi
> index bb35971..46f21a3 100644
> --- a/arch/arm/boot/dts/imx6qdl-gw552x.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-gw552x.dtsi
> @@ -4,6 +4,7 @@
> */
>
> #include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/linux-event-codes.h>
>
> / {
> /* these are used by bootloader for disabling nodes */
> @@ -20,6 +21,53 @@
> bootargs = "console=ttymxc1,115200";
> };
>
> + gpio_keys {
> + compatible = "gpio-keys";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + user_pb {
> + label = "user_pb";
> + gpios = <&gsc_gpio 0 GPIO_ACTIVE_LOW>;
> + linux,code = <BTN_0>;
> + };
> +
> + user_pb1x {
> + label = "user_pb1x";
> + linux,code = <BTN_1>;
> + interrupt-parent = <&gsc>;
> + interrupts = <0>;
> + };
> +
> + key_erased {
> + label = "key-erased";
> + linux,code = <BTN_2>;
> + interrupt-parent = <&gsc>;
> + interrupts = <1>;
> + };
> +
> + eeprom_wp {
> + label = "eeprom_wp";
> + linux,code = <BTN_3>;
> + interrupt-parent = <&gsc>;
> + interrupts = <2>;
> + };
> +
> + tamper {
> + label = "tamper";
> + linux,code = <BTN_4>;
> + interrupt-parent = <&gsc>;
> + interrupts = <5>;
> + };
> +
> + switch_hold {
> + label = "switch_hold";
> + linux,code = <BTN_5>;
> + interrupt-parent = <&gsc>;
> + interrupts = <7>;
> + };
> + };
> +
> leds {
> compatible = "gpio-leds";
> pinctrl-names = "default";
> @@ -92,6 +140,103 @@
> pinctrl-0 = <&pinctrl_i2c1>;
> status = "okay";
>
> + gsc: gsc@20 {
> + compatible = "gw,gsc";
> + reg = <0x20>;
> + interrupt-parent = <&gpio1>;
> + interrupts = <4 GPIO_ACTIVE_LOW>;
> + interrupt-controller;
> + #interrupt-cells = <1>;
> + #size-cells = <0>;
> +
> + adc {
> + compatible = "gw,gsc-adc";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + channel@0 {
> + gw,mode = <0>;
> + reg = <0x00>;
> + label = "temp";
> + };
> +
> + channel@2 {
> + gw,mode = <1>;
> + reg = <0x02>;
> + label = "vdd_vin";
> + };
> +
> + channel@5 {
> + gw,mode = <1>;
> + reg = <0x05>;
> + label = "vdd_3p3";
> + };
> +
> + channel@8 {
> + gw,mode = <1>;
> + reg = <0x08>;
> + label = "vdd_bat";
> + };
> +
> + channel@b {
> + gw,mode = <1>;
> + reg = <0x0b>;
> + label = "vdd_5p0";
> + };
> +
> + channel@e {
> + gw,mode = <1>;
> + reg = <0xe>;
> + label = "vdd_arm";
> + };
> +
> + channel@11 {
> + gw,mode = <1>;
> + reg = <0x11>;
> + label = "vdd_soc";
> + };
> +
> + channel@14 {
> + gw,mode = <1>;
> + reg = <0x14>;
> + label = "vdd_3p0";
> + };
> +
> + channel@17 {
> + gw,mode = <1>;
> + reg = <0x17>;
> + label = "vdd_1p5";
> + };
> +
> + channel@1d {
> + gw,mode = <1>;
> + reg = <0x1d>;
> + label = "vdd_1p8";
> + };
> +
> + channel@20 {
> + gw,mode = <1>;
> + reg = <0x20>;
> + label = "vdd_1p0";
> + };
> +
> + channel@23 {
> + gw,mode = <1>;
> + reg = <0x23>;
> + label = "vdd_2p5";
> + };
> + };
> + };
> +
> + gsc_gpio: pca9555@23 {
> + compatible = "nxp,pca9555";
> + reg = <0x23>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + interrupt-parent = <&gsc>;
> + interrupts = <4>;
> + };
> +
> eeprom1: eeprom@50 {
> compatible = "atmel,24c02";
> reg = <0x50>;
> @@ -116,13 +261,6 @@
> pagesize = <16>;
> };
>
> - gpio: pca9555@23 {
> - compatible = "nxp,pca9555";
> - reg = <0x23>;
> - gpio-controller;
> - #gpio-cells = <2>;
> - };
> -
> rtc: ds1672@68 {
> compatible = "dallas,ds1672";
> reg = <0x68>;
> @@ -305,6 +443,7 @@
> fsl,pins = <
> MX6QDL_PAD_EIM_D21__I2C1_SCL 0x4001b8b1
> MX6QDL_PAD_EIM_D28__I2C1_SDA 0x4001b8b1
> + MX6QDL_PAD_GPIO_4__GPIO1_IO04 0xb0b1
> >;
> };
>
> diff --git a/arch/arm/boot/dts/imx6qdl-gw553x.dtsi b/arch/arm/boot/dts/imx6qdl-gw553x.dtsi
> index ee85031..036ead6 100644
> --- a/arch/arm/boot/dts/imx6qdl-gw553x.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-gw553x.dtsi
> @@ -46,6 +46,7 @@
> */
>
> #include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/linux-event-codes.h>
>
> / {
> /* these are used by bootloader for disabling nodes */
> @@ -61,6 +62,53 @@
> stdout-path = &uart2;
> };
>
> + gpio_keys {
> + compatible = "gpio-keys";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + user_pb {
> + label = "user_pb";
> + gpios = <&gsc_gpio 0 GPIO_ACTIVE_LOW>;
> + linux,code = <BTN_0>;
> + };
> +
> + user_pb1x {
> + label = "user_pb1x";
> + linux,code = <BTN_1>;
> + interrupt-parent = <&gsc>;
> + interrupts = <0>;
> + };
> +
> + key_erased {
> + label = "key-erased";
> + linux,code = <BTN_2>;
> + interrupt-parent = <&gsc>;
> + interrupts = <1>;
> + };
> +
> + eeprom_wp {
> + label = "eeprom_wp";
> + linux,code = <BTN_3>;
> + interrupt-parent = <&gsc>;
> + interrupts = <2>;
> + };
> +
> + tamper {
> + label = "tamper";
> + linux,code = <BTN_4>;
> + interrupt-parent = <&gsc>;
> + interrupts = <5>;
> + };
> +
> + switch_hold {
> + label = "switch_hold";
> + linux,code = <BTN_5>;
> + interrupt-parent = <&gsc>;
> + interrupts = <7>;
> + };
> + };
> +
> leds {
> compatible = "gpio-leds";
> pinctrl-names = "default";
> @@ -130,11 +178,101 @@
> pinctrl-0 = <&pinctrl_i2c1>;
> status = "okay";
>
> - gpio: pca9555@23 {
> + gsc: gsc@20 {
> + compatible = "gw,gsc";
> + reg = <0x20>;
> + interrupt-parent = <&gpio1>;
> + interrupts = <4 GPIO_ACTIVE_LOW>;
> + interrupt-controller;
> + #interrupt-cells = <1>;
> + #size-cells = <0>;
> +
> + adc {
> + compatible = "gw,gsc-adc";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + channel@0 {
> + gw,mode = <0>;
> + reg = <0x00>;
> + label = "temp";
> + };
> +
> + channel@2 {
> + gw,mode = <1>;
> + reg = <0x02>;
> + label = "vdd_vin";
> + };
> +
> + channel@5 {
> + gw,mode = <1>;
> + reg = <0x05>;
> + label = "vdd_3p3";
> + };
> +
> + channel@8 {
> + gw,mode = <1>;
> + reg = <0x08>;
> + label = "vdd_bat";
> + };
> +
> + channel@b {
> + gw,mode = <1>;
> + reg = <0x0b>;
> + label = "vdd_5p0";
> + };
> +
> + channel@e {
> + gw,mode = <1>;
> + reg = <0xe>;
> + label = "vdd_arm";
> + };
> +
> + channel@11 {
> + gw,mode = <1>;
> + reg = <0x11>;
> + label = "vdd_soc";
> + };
> +
> + channel@14 {
> + gw,mode = <1>;
> + reg = <0x14>;
> + label = "vdd_3p0";
> + };
> +
> + channel@17 {
> + gw,mode = <1>;
> + reg = <0x17>;
> + label = "vdd_1p5";
> + };
> +
> + channel@1d {
> + gw,mode = <1>;
> + reg = <0x1d>;
> + label = "vdd_1p8a";
> + };
> +
> + channel@20 {
> + gw,mode = <1>;
> + reg = <0x20>;
> + label = "vdd_1p0b";
> + };
> +
> + channel@26 {
> + gw,mode = <1>;
> + reg = <0x26>;
> + label = "vdd_an1";
> + };
> + };
> + };
> +
> + gsc_gpio: pca9555@23 {
> compatible = "nxp,pca9555";
> reg = <0x23>;
> gpio-controller;
> #gpio-cells = <2>;
> + interrupt-parent = <&gsc>;
> + interrupts = <4>;
> };
>
> eeprom1: eeprom@50 {
> @@ -428,6 +566,7 @@
> fsl,pins = <
> MX6QDL_PAD_EIM_D21__I2C1_SCL 0x4001b8b1
> MX6QDL_PAD_EIM_D28__I2C1_SDA 0x4001b8b1
> + MX6QDL_PAD_GPIO_4__GPIO1_IO04 0xb0b1
> >;
> };
>
> diff --git a/arch/arm/boot/dts/imx6qdl-gw560x.dtsi b/arch/arm/boot/dts/imx6qdl-gw560x.dtsi
> index 69ca70d..e497b13 100644
> --- a/arch/arm/boot/dts/imx6qdl-gw560x.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-gw560x.dtsi
> @@ -88,6 +88,53 @@
> default-on;
> };
>
> + gpio_keys {
> + compatible = "gpio-keys";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + user_pb {
> + label = "user_pb";
> + gpios = <&gsc_gpio 0 GPIO_ACTIVE_LOW>;
> + linux,code = <BTN_0>;
> + };
> +
> + user_pb1x {
> + label = "user_pb1x";
> + linux,code = <BTN_1>;
> + interrupt-parent = <&gsc>;
> + interrupts = <0>;
> + };
> +
> + key_erased {
> + label = "key-erased";
> + linux,code = <BTN_2>;
> + interrupt-parent = <&gsc>;
> + interrupts = <1>;
> + };
> +
> + eeprom_wp {
> + label = "eeprom_wp";
> + linux,code = <BTN_3>;
> + interrupt-parent = <&gsc>;
> + interrupts = <2>;
> + };
> +
> + tamper {
> + label = "tamper";
> + linux,code = <BTN_4>;
> + interrupt-parent = <&gsc>;
> + interrupts = <5>;
> + };
> +
> + switch_hold {
> + label = "switch_hold";
> + linux,code = <BTN_5>;
> + interrupt-parent = <&gsc>;
> + interrupts = <7>;
> + };
> + };
> +
> leds {
> compatible = "gpio-leds";
> pinctrl-names = "default";
> @@ -243,6 +290,115 @@
> pinctrl-0 = <&pinctrl_i2c1>;
> status = "okay";
>
> + gsc: gsc@20 {
> + compatible = "gw,gsc";
> + reg = <0x20>;
> + interrupt-parent = <&gpio1>;
> + interrupts = <4 GPIO_ACTIVE_LOW>;
> + interrupt-controller;
> + #interrupt-cells = <1>;
> + #size-cells = <0>;
> +
> + adc {
> + compatible = "gw,gsc-adc";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + channel@0 {
> + gw,mode = <0>;
> + reg = <0x00>;
> + label = "temp";
> + };
> +
> + channel@2 {
> + gw,mode = <1>;
> + reg = <0x02>;
> + label = "vdd_vin";
> + };
> +
> + channel@5 {
> + gw,mode = <1>;
> + reg = <0x05>;
> + label = "vdd_3p3";
> + };
> +
> + channel@8 {
> + gw,mode = <1>;
> + reg = <0x08>;
> + label = "vdd_bat";
> + };
> +
> + channel@b {
> + gw,mode = <1>;
> + reg = <0x0b>;
> + label = "vdd_5p0";
> + };
> +
> + channel@e {
> + gw,mode = <1>;
> + reg = <0xe>;
> + label = "vdd_arm";
> + };
> +
> + channel@11 {
> + gw,mode = <1>;
> + reg = <0x11>;
> + label = "vdd_soc";
> + };
> +
> + channel@14 {
> + gw,mode = <1>;
> + reg = <0x14>;
> + label = "vdd_3p0";
> + };
> +
> + channel@17 {
> + gw,mode = <1>;
> + reg = <0x17>;
> + label = "vdd_1p5";
> + };
> +
> + channel@1d {
> + gw,mode = <1>;
> + reg = <0x1d>;
> + label = "vdd_1p8";
> + };
> +
> + channel@20 {
> + gw,mode = <1>;
> + reg = <0x20>;
> + label = "vdd_an1";
> + };
> +
> + channel@23 {
> + gw,mode = <1>;
> + reg = <0x23>;
> + label = "vdd_2p5";
> + };
> +
> + channel@26 {
> + gw,mode = <1>;
> + reg = <0x26>;
> + label = "vdd_gps";
> + };
> +
> + channel@29 {
> + gw,mode = <1>;
> + reg = <0x29>;
> + label = "vdd_an2";
> + };
> + };
> + };
> +
> + gsc_gpio: pca9555@23 {
> + compatible = "nxp,pca9555";
> + reg = <0x23>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + interrupt-parent = <&gsc>;
> + interrupts = <4>;
> + };
> +
> eeprom1: eeprom@50 {
> compatible = "atmel,24c02";
> reg = <0x50>;
> @@ -267,13 +423,6 @@
> pagesize = <16>;
> };
>
> - pca9555: gpio@23 {
> - compatible = "nxp,pca9555";
> - reg = <0x23>;
> - gpio-controller;
> - #gpio-cells = <2>;
> - };
> -
> ds1672: rtc@68 {
> compatible = "dallas,ds1672";
> reg = <0x68>;
> @@ -608,6 +757,7 @@
> fsl,pins = <
> MX6QDL_PAD_EIM_D21__I2C1_SCL 0x4001b8b1
> MX6QDL_PAD_EIM_D28__I2C1_SDA 0x4001b8b1
> + MX6QDL_PAD_GPIO_4__GPIO1_IO04 0xb0b1
> >;
> };
>
> diff --git a/arch/arm/boot/dts/imx6qdl-gw5903.dtsi b/arch/arm/boot/dts/imx6qdl-gw5903.dtsi
> index aee9221..768ae46 100644
> --- a/arch/arm/boot/dts/imx6qdl-gw5903.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-gw5903.dtsi
> @@ -46,6 +46,7 @@
> */
>
> #include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/linux-event-codes.h>
>
> / {
> chosen {
> @@ -71,6 +72,53 @@
> default-brightness-level = <100>;
> };
>
> + gpio_keys {
> + compatible = "gpio-keys";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + user_pb {
> + label = "user_pb";
> + gpios = <&gsc_gpio 0 GPIO_ACTIVE_LOW>;
> + linux,code = <BTN_0>;
> + };
> +
> + user_pb1x {
> + label = "user_pb1x";
> + linux,code = <BTN_1>;
> + interrupt-parent = <&gsc>;
> + interrupts = <0>;
> + };
> +
> + key_erased {
> + label = "key-erased";
> + linux,code = <BTN_2>;
> + interrupt-parent = <&gsc>;
> + interrupts = <1>;
> + };
> +
> + eeprom_wp {
> + label = "eeprom_wp";
> + linux,code = <BTN_3>;
> + interrupt-parent = <&gsc>;
> + interrupts = <2>;
> + };
> +
> + tamper {
> + label = "tamper";
> + linux,code = <BTN_4>;
> + interrupt-parent = <&gsc>;
> + interrupts = <5>;
> + };
> +
> + switch_hold {
> + label = "switch_hold";
> + linux,code = <BTN_5>;
> + interrupt-parent = <&gsc>;
> + interrupts = <7>;
> + };
> + };
> +
> leds {
> compatible = "gpio-leds";
> pinctrl-names = "default";
> @@ -183,11 +231,101 @@
> pinctrl-0 = <&pinctrl_i2c1>;
> status = "okay";
>
> - pca9555: gpio@23 {
> + gsc: gsc@20 {
> + compatible = "gw,gsc";
> + reg = <0x20>;
> + interrupt-parent = <&gpio1>;
> + interrupts = <4 GPIO_ACTIVE_LOW>;
> + interrupt-controller;
> + #interrupt-cells = <1>;
> + #size-cells = <0>;
> +
> + adc {
> + compatible = "gw,gsc-adc";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + channel@0 {
> + gw,mode = <0>;
> + reg = <0x00>;
> + label = "temp";
> + };
> +
> + channel@2 {
> + gw,mode = <1>;
> + reg = <0x02>;
> + label = "vdd_vin";
> + };
> +
> + channel@5 {
> + gw,mode = <1>;
> + reg = <0x05>;
> + label = "vdd_3p3";
> + };
> +
> + channel@8 {
> + gw,mode = <1>;
> + reg = <0x08>;
> + label = "vdd_bat";
> + };
> +
> + channel@b {
> + gw,mode = <1>;
> + reg = <0x0b>;
> + label = "vdd_5p0";
> + };
> +
> + channel@e {
> + gw,mode = <1>;
> + reg = <0xe>;
> + label = "vdd_arm";
> + };
> +
> + channel@11 {
> + gw,mode = <1>;
> + reg = <0x11>;
> + label = "vdd_soc";
> + };
> +
> + channel@14 {
> + gw,mode = <1>;
> + reg = <0x14>;
> + label = "vdd_3p0";
> + };
> +
> + channel@17 {
> + gw,mode = <1>;
> + reg = <0x17>;
> + label = "vdd_1p5";
> + };
> +
> + channel@1d {
> + gw,mode = <1>;
> + reg = <0x1d>;
> + label = "vdd_1p8";
> + };
> +
> + channel@20 {
> + gw,mode = <1>;
> + reg = <0x20>;
> + label = "vdd_an1";
> + };
> +
> + channel@23 {
> + gw,mode = <1>;
> + reg = <0x23>;
> + label = "vdd_2p5";
> + };
> + };
> + };
> +
> + gsc_gpio: pca9555@23 {
> compatible = "nxp,pca9555";
> reg = <0x23>;
> gpio-controller;
> #gpio-cells = <2>;
> + interrupt-parent = <&gsc>;
> + interrupts = <4>;
> };
>
> eeprom1: eeprom@50 {
> diff --git a/arch/arm/boot/dts/imx6qdl-gw5904.dtsi b/arch/arm/boot/dts/imx6qdl-gw5904.dtsi
> index 76d6cf5..7eba6ed 100644
> --- a/arch/arm/boot/dts/imx6qdl-gw5904.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-gw5904.dtsi
> @@ -46,6 +46,7 @@
> */
>
> #include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/linux-event-codes.h>
>
> / {
> /* these are used by bootloader for disabling nodes */
> @@ -68,6 +69,53 @@
> default-brightness-level = <7>;
> };
>
> + gpio_keys {
> + compatible = "gpio-keys";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + user_pb {
> + label = "user_pb";
> + gpios = <&gsc_gpio 0 GPIO_ACTIVE_LOW>;
> + linux,code = <BTN_0>;
> + };
> +
> + user_pb1x {
> + label = "user_pb1x";
> + linux,code = <BTN_1>;
> + interrupt-parent = <&gsc>;
> + interrupts = <0>;
> + };
> +
> + key_erased {
> + label = "key-erased";
> + linux,code = <BTN_2>;
> + interrupt-parent = <&gsc>;
> + interrupts = <1>;
> + };
> +
> + eeprom_wp {
> + label = "eeprom_wp";
> + linux,code = <BTN_3>;
> + interrupt-parent = <&gsc>;
> + interrupts = <2>;
> + };
> +
> + tamper {
> + label = "tamper";
> + linux,code = <BTN_4>;
> + interrupt-parent = <&gsc>;
> + interrupts = <5>;
> + };
> +
> + switch_hold {
> + label = "switch_hold";
> + linux,code = <BTN_5>;
> + interrupt-parent = <&gsc>;
> + interrupts = <7>;
> + };
> + };
> +
> leds {
> compatible = "gpio-leds";
> pinctrl-names = "default";
> @@ -205,11 +253,101 @@
> pinctrl-0 = <&pinctrl_i2c1>;
> status = "okay";
>
> - pca9555: gpio@23 {
> + gsc: gsc@20 {
> + compatible = "gw,gsc";
> + reg = <0x20>;
> + interrupt-parent = <&gpio1>;
> + interrupts = <4 GPIO_ACTIVE_LOW>;
> + interrupt-controller;
> + #interrupt-cells = <1>;
> + #size-cells = <0>;
> +
> + adc {
> + compatible = "gw,gsc-adc";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + channel@0 {
> + gw,mode = <0>;
> + reg = <0x00>;
> + label = "temp";
> + };
> +
> + channel@2 {
> + gw,mode = <1>;
> + reg = <0x02>;
> + label = "vdd_vin";
> + };
> +
> + channel@5 {
> + gw,mode = <1>;
> + reg = <0x05>;
> + label = "vdd_3p3";
> + };
> +
> + channel@8 {
> + gw,mode = <1>;
> + reg = <0x08>;
> + label = "vdd_bat";
> + };
> +
> + channel@b {
> + gw,mode = <1>;
> + reg = <0x0b>;
> + label = "vdd_5p0";
> + };
> +
> + channel@e {
> + gw,mode = <1>;
> + reg = <0xe>;
> + label = "vdd_arm";
> + };
> +
> + channel@11 {
> + gw,mode = <1>;
> + reg = <0x11>;
> + label = "vdd_soc";
> + };
> +
> + channel@14 {
> + gw,mode = <1>;
> + reg = <0x14>;
> + label = "vdd_3p0";
> + };
> +
> + channel@17 {
> + gw,mode = <1>;
> + reg = <0x17>;
> + label = "vdd_1p5";
> + };
> +
> + channel@1d {
> + gw,mode = <1>;
> + reg = <0x1d>;
> + label = "vdd_1p8";
> + };
> +
> + channel@20 {
> + gw,mode = <1>;
> + reg = <0x20>;
> + label = "vdd_an1";
> + };
> +
> + channel@23 {
> + gw,mode = <1>;
> + reg = <0x23>;
> + label = "vdd_2p5";
> + };
> + };
> + };
> +
> + gsc_gpio: pca9555@23 {
> compatible = "nxp,pca9555";
> reg = <0x23>;
> gpio-controller;
> #gpio-cells = <2>;
> + interrupt-parent = <&gsc>;
> + interrupts = <4>;
> };
>
> eeprom1: eeprom@50 {
> @@ -503,6 +641,7 @@
> fsl,pins = <
> MX6QDL_PAD_EIM_D21__I2C1_SCL 0x4001b8b1
> MX6QDL_PAD_EIM_D28__I2C1_SDA 0x4001b8b1
> + MX6QDL_PAD_GPIO_4__GPIO1_IO04 0x0001b0b0 /* GSC_IRQ# */
> >;
> };
>
> diff --git a/arch/arm/boot/dts/imx6qdl-gw5907.dtsi b/arch/arm/boot/dts/imx6qdl-gw5907.dtsi
> index 0bdebdd..0e155fb 100644
> --- a/arch/arm/boot/dts/imx6qdl-gw5907.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-gw5907.dtsi
> @@ -4,6 +4,7 @@
> */
>
> #include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/linux-event-codes.h>
>
> / {
> /* these are used by bootloader for disabling nodes */
> @@ -19,6 +20,53 @@
> stdout-path = &uart2;
> };
>
> + gpio_keys {
> + compatible = "gpio-keys";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + user_pb {
> + label = "user_pb";
> + gpios = <&gsc_gpio 0 GPIO_ACTIVE_LOW>;
> + linux,code = <BTN_0>;
> + };
> +
> + user_pb1x {
> + label = "user_pb1x";
> + linux,code = <BTN_1>;
> + interrupt-parent = <&gsc>;
> + interrupts = <0>;
> + };
> +
> + key_erased {
> + label = "key-erased";
> + linux,code = <BTN_2>;
> + interrupt-parent = <&gsc>;
> + interrupts = <1>;
> + };
> +
> + eeprom_wp {
> + label = "eeprom_wp";
> + linux,code = <BTN_3>;
> + interrupt-parent = <&gsc>;
> + interrupts = <2>;
> + };
> +
> + tamper {
> + label = "tamper";
> + linux,code = <BTN_4>;
> + interrupt-parent = <&gsc>;
> + interrupts = <5>;
> + };
> +
> + switch_hold {
> + label = "switch_hold";
> + linux,code = <BTN_5>;
> + interrupt-parent = <&gsc>;
> + interrupts = <7>;
> + };
> + };
> +
> leds {
> compatible = "gpio-leds";
> pinctrl-names = "default";
> @@ -102,11 +150,101 @@
> pinctrl-0 = <&pinctrl_i2c1>;
> status = "okay";
>
> - gpio@23 {
> + gsc: gsc@20 {
> + compatible = "gw,gsc";
> + reg = <0x20>;
> + interrupt-parent = <&gpio1>;
> + interrupts = <4 GPIO_ACTIVE_LOW>;
> + interrupt-controller;
> + #interrupt-cells = <1>;
> + #size-cells = <0>;
> +
> + adc {
> + compatible = "gw,gsc-adc";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + channel@0 {
> + gw,mode = <0>;
> + reg = <0x00>;
> + label = "temp";
> + };
> +
> + channel@2 {
> + gw,mode = <1>;
> + reg = <0x02>;
> + label = "vdd_vin";
> + };
> +
> + channel@5 {
> + gw,mode = <1>;
> + reg = <0x05>;
> + label = "vdd_3p3";
> + };
> +
> + channel@8 {
> + gw,mode = <1>;
> + reg = <0x08>;
> + label = "vdd_bat";
> + };
> +
> + channel@b {
> + gw,mode = <1>;
> + reg = <0x0b>;
> + label = "vdd_5p0";
> + };
> +
> + channel@e {
> + gw,mode = <1>;
> + reg = <0xe>;
> + label = "vdd_arm";
> + };
> +
> + channel@11 {
> + gw,mode = <1>;
> + reg = <0x11>;
> + label = "vdd_soc";
> + };
> +
> + channel@14 {
> + gw,mode = <1>;
> + reg = <0x14>;
> + label = "vdd_3p0";
> + };
> +
> + channel@17 {
> + gw,mode = <1>;
> + reg = <0x17>;
> + label = "vdd_1p5";
> + };
> +
> + channel@1d {
> + gw,mode = <1>;
> + reg = <0x1d>;
> + label = "vdd_1p8";
> + };
> +
> + channel@20 {
> + gw,mode = <1>;
> + reg = <0x20>;
> + label = "vdd_an1";
> + };
> +
> + channel@23 {
> + gw,mode = <1>;
> + reg = <0x23>;
> + label = "vdd_2p5";
> + };
> + };
> + };
> +
> + gsc_gpio: pca9555@23 {
> compatible = "nxp,pca9555";
> reg = <0x23>;
> gpio-controller;
> #gpio-cells = <2>;
> + interrupt-parent = <&gsc>;
> + interrupts = <4>;
> };
>
> eeprom@50 {
> @@ -133,7 +271,7 @@
> pagesize = <16>;
> };
>
> - rtc@68 {
> + ds1672@68 {
> compatible = "dallas,ds1672";
> reg = <0x68>;
> };
> diff --git a/arch/arm/boot/dts/imx6qdl-gw5910.dtsi b/arch/arm/boot/dts/imx6qdl-gw5910.dtsi
> index 0857de5..7571eb1 100644
> --- a/arch/arm/boot/dts/imx6qdl-gw5910.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-gw5910.dtsi
> @@ -4,6 +4,7 @@
> */
>
> #include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/linux-event-codes.h>
>
> / {
> /* these are used by bootloader for disabling nodes */
> @@ -22,6 +23,53 @@
> reg = <0x10000000 0x20000000>;
> };
>
> + gpio_keys {
> + compatible = "gpio-keys";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + user_pb {
> + label = "user_pb";
> + gpios = <&gsc_gpio 0 GPIO_ACTIVE_LOW>;
> + linux,code = <BTN_0>;
> + };
> +
> + user_pb1x {
> + label = "user_pb1x";
> + linux,code = <BTN_1>;
> + interrupt-parent = <&gsc>;
> + interrupts = <0>;
> + };
> +
> + key_erased {
> + label = "key-erased";
> + linux,code = <BTN_2>;
> + interrupt-parent = <&gsc>;
> + interrupts = <1>;
> + };
> +
> + eeprom_wp {
> + label = "eeprom_wp";
> + linux,code = <BTN_3>;
> + interrupt-parent = <&gsc>;
> + interrupts = <2>;
> + };
> +
> + tamper {
> + label = "tamper";
> + linux,code = <BTN_4>;
> + interrupt-parent = <&gsc>;
> + interrupts = <5>;
> + };
> +
> + switch_hold {
> + label = "switch_hold";
> + linux,code = <BTN_5>;
> + interrupt-parent = <&gsc>;
> + interrupts = <7>;
> + };
> + };
> +
> leds {
> compatible = "gpio-leds";
> pinctrl-names = "default";
> @@ -111,11 +159,121 @@
> pinctrl-0 = <&pinctrl_i2c1>;
> status = "okay";
>
> - gpio@23 {
> + gsc: gsc@20 {
> + compatible = "gw,gsc";
> + reg = <0x20>;
> + interrupt-parent = <&gpio1>;
> + interrupts = <4 GPIO_ACTIVE_LOW>;
> + interrupt-controller;
> + #interrupt-cells = <1>;
> + #size-cells = <0>;
> +
> + adc {
> + compatible = "gw,gsc-adc";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + channel@6 {
> + gw,mode = <0>;
> + reg = <0x06>;
> + label = "temp";
> + };
> +
> + channel@8 {
> + gw,mode = <3>;
> + reg = <0x08>;
> + label = "vdd_bat";
> + };
> +
> + channel@82 {
> + gw,mode = <2>;
> + reg = <0x82>;
> + label = "vdd_vin";
> + gw,voltage-divider-ohms = <22100 1000>;
> + gw,voltage-offset-microvolt = <800000>;
> + };
> +
> + channel@84 {
> + gw,mode = <2>;
> + reg = <0x84>;
> + label = "vdd_5p0";
> + gw,voltage-divider-ohms = <22100 10000>;
> + };
> +
> + channel@86 {
> + gw,mode = <2>;
> + reg = <0x86>;
> + label = "vdd_3p3";
> + gw,voltage-divider-ohms = <10000 10000>;
> + };
> +
> + channel@88 {
> + gw,mode = <2>;
> + reg = <0x88>;
> + label = "vdd_2p5";
> + gw,voltage-divider-ohms = <10000 10000>;
> + };
> +
> + channel@8c {
> + gw,mode = <2>;
> + reg = <0x8c>;
> + label = "vdd_3p0";
> + };
> +
> + channel@8e {
> + gw,mode = <2>;
> + reg = <0x8e>;
> + label = "vdd_arm";
> + };
> +
> + channel@90 {
> + gw,mode = <2>;
> + reg = <0x90>;
> + label = "vdd_soc";
> + };
> +
> + channel@92 {
> + gw,mode = <2>;
> + reg = <0x92>;
> + label = "vdd_1p5";
> + };
> +
> + channel@98 {
> + gw,mode = <2>;
> + reg = <0x98>;
> + label = "vdd_1p8";
> + };
> +
> + channel@9a {
> + gw,mode = <2>;
> + reg = <0x9a>;
> + label = "vdd_1p0";
> + gw,voltage-divider-ohms = <10000 10000>;
> + };
> +
> + channel@9c {
> + gw,mode = <2>;
> + reg = <0x9c>;
> + label = "vdd_an1";
> + gw,voltage-divider-ohms = <10000 10000>;
> + };
> +
> + channel@a2 {
> + gw,mode = <2>;
> + reg = <0xa2>;
> + label = "vdd_gsc";
> + gw,voltage-divider-ohms = <10000 10000>;
> + };
> + };
> + };
> +
> + gsc_gpio: pca9555@23 {
> compatible = "nxp,pca9555";
> reg = <0x23>;
> gpio-controller;
> #gpio-cells = <2>;
> + interrupt-parent = <&gsc>;
> + interrupts = <4>;
> };
>
> eeprom@50 {
> diff --git a/arch/arm/boot/dts/imx6qdl-gw5912.dtsi b/arch/arm/boot/dts/imx6qdl-gw5912.dtsi
> index 8c57fd2..e87870f 100644
> --- a/arch/arm/boot/dts/imx6qdl-gw5912.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-gw5912.dtsi
> @@ -4,6 +4,7 @@
> */
>
> #include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/linux-event-codes.h>
>
> / {
> /* these are used by bootloader for disabling nodes */
> @@ -20,6 +21,53 @@
> stdout-path = &uart2;
> };
>
> + gpio_keys {
> + compatible = "gpio-keys";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + user_pb {
> + label = "user_pb";
> + gpios = <&gsc_gpio 0 GPIO_ACTIVE_LOW>;
> + linux,code = <BTN_0>;
> + };
> +
> + user_pb1x {
> + label = "user_pb1x";
> + linux,code = <BTN_1>;
> + interrupt-parent = <&gsc>;
> + interrupts = <0>;
> + };
> +
> + key_erased {
> + label = "key-erased";
> + linux,code = <BTN_2>;
> + interrupt-parent = <&gsc>;
> + interrupts = <1>;
> + };
> +
> + eeprom_wp {
> + label = "eeprom_wp";
> + linux,code = <BTN_3>;
> + interrupt-parent = <&gsc>;
> + interrupts = <2>;
> + };
> +
> + tamper {
> + label = "tamper";
> + linux,code = <BTN_4>;
> + interrupt-parent = <&gsc>;
> + interrupts = <5>;
> + };
> +
> + switch_hold {
> + label = "switch_hold";
> + linux,code = <BTN_5>;
> + interrupt-parent = <&gsc>;
> + interrupts = <7>;
> + };
> + };
> +
> leds {
> compatible = "gpio-leds";
> pinctrl-names = "default";
> @@ -106,11 +154,108 @@
> pinctrl-0 = <&pinctrl_i2c1>;
> status = "okay";
>
> - gpio@23 {
> + gsc: gsc@20 {
> + compatible = "gw,gsc";
> + reg = <0x20>;
> + interrupt-parent = <&gpio1>;
> + interrupts = <4 GPIO_ACTIVE_LOW>;
> + interrupt-controller;
> + #interrupt-cells = <1>;
> + #size-cells = <0>;
> +
> + adc {
> + compatible = "gw,gsc-adc";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + channel@0 {
> + gw,mode = <0>;
> + reg = <0x00>;
> + label = "temp";
> + };
> +
> + channel@2 {
> + gw,mode = <1>;
> + reg = <0x02>;
> + label = "vdd_vin";
> + };
> +
> + channel@5 {
> + gw,mode = <1>;
> + reg = <0x05>;
> + label = "vdd_3p3";
> + };
> +
> + channel@8 {
> + gw,mode = <1>;
> + reg = <0x08>;
> + label = "vdd_bat";
> + };
> +
> + channel@b {
> + gw,mode = <1>;
> + reg = <0x0b>;
> + label = "vdd_5p0";
> + };
> +
> + channel@e {
> + gw,mode = <1>;
> + reg = <0xe>;
> + label = "vdd_arm";
> + };
> +
> + channel@11 {
> + gw,mode = <1>;
> + reg = <0x11>;
> + label = "vdd_soc";
> + };
> +
> + channel@14 {
> + gw,mode = <1>;
> + reg = <0x14>;
> + label = "vdd_3p0";
> + };
> +
> + channel@17 {
> + gw,mode = <1>;
> + reg = <0x17>;
> + label = "vdd_1p5";
> + };
> +
> + channel@1d {
> + gw,mode = <1>;
> + reg = <0x1d>;
> + label = "vdd_1p8";
> + };
> +
> + channel@20 {
> + gw,mode = <1>;
> + reg = <0x20>;
> + label = "vdd_1p0";
> + };
> +
> + channel@23 {
> + gw,mode = <1>;
> + reg = <0x23>;
> + label = "vdd_2p5";
> + };
> + };
> +
> + fan-controller@a {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + compatible = "gw,gsc-fan";
> + reg = <0x0a>;
> + };
> + };
> +
> + gsc_gpio: pca9555@23 {
> compatible = "nxp,pca9555";
> reg = <0x23>;
> gpio-controller;
> #gpio-cells = <2>;
> + interrupt-parent = <&gsc>;
> + interrupts = <4>;
> };
>
> eeprom@50 {
> diff --git a/arch/arm/boot/dts/imx6qdl-gw5913.dtsi b/arch/arm/boot/dts/imx6qdl-gw5913.dtsi
> index 635c203..8ad2d77 100644
> --- a/arch/arm/boot/dts/imx6qdl-gw5913.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl-gw5913.dtsi
> @@ -4,6 +4,7 @@
> */
>
> #include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/linux-event-codes.h>
>
> / {
> /* these are used by bootloader for disabling nodes */
> @@ -19,6 +20,53 @@
> stdout-path = &uart2;
> };
>
> + gpio_keys {
> + compatible = "gpio-keys";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + user_pb {
> + label = "user_pb";
> + gpios = <&gsc_gpio 0 GPIO_ACTIVE_LOW>;
> + linux,code = <BTN_0>;
> + };
> +
> + user_pb1x {
> + label = "user_pb1x";
> + linux,code = <BTN_1>;
> + interrupt-parent = <&gsc>;
> + interrupts = <0>;
> + };
> +
> + key_erased {
> + label = "key-erased";
> + linux,code = <BTN_2>;
> + interrupt-parent = <&gsc>;
> + interrupts = <1>;
> + };
> +
> + eeprom_wp {
> + label = "eeprom_wp";
> + linux,code = <BTN_3>;
> + interrupt-parent = <&gsc>;
> + interrupts = <2>;
> + };
> +
> + tamper {
> + label = "tamper";
> + linux,code = <BTN_4>;
> + interrupt-parent = <&gsc>;
> + interrupts = <5>;
> + };
> +
> + switch_hold {
> + label = "switch_hold";
> + linux,code = <BTN_5>;
> + interrupt-parent = <&gsc>;
> + interrupts = <7>;
> + };
> + };
> +
> leds {
> compatible = "gpio-leds";
> pinctrl-names = "default";
> @@ -87,11 +135,114 @@
> pinctrl-0 = <&pinctrl_i2c1>;
> status = "okay";
>
> - gpio@23 {
> + gsc: gsc@20 {
> + compatible = "gw,gsc";
> + reg = <0x20>;
> + interrupt-parent = <&gpio1>;
> + interrupts = <4 GPIO_ACTIVE_LOW>;
> + interrupt-controller;
> + #interrupt-cells = <1>;
> + #size-cells = <0>;
> +
> + adc {
> + compatible = "gw,gsc-adc";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + channel@6 {
> + gw,mode = <0>;
> + reg = <0x06>;
> + label = "temp";
> + };
> +
> + channel@8 {
> + gw,mode = <3>;
> + reg = <0x08>;
> + label = "vdd_bat";
> + };
> +
> + channel@82 {
> + gw,mode = <2>;
> + reg = <0x82>;
> + label = "vdd_vin";
> + gw,voltage-divider-ohms = <22100 1000>;
> + gw,voltage-offset-microvolt = <800000>;
> + };
> +
> + channel@84 {
> + gw,mode = <2>;
> + reg = <0x84>;
> + label = "vdd_5p0";
> + gw,voltage-divider-ohms = <22100 10000>;
> + };
> +
> + channel@86 {
> + gw,mode = <2>;
> + reg = <0x86>;
> + label = "vdd_3p3";
> + gw,voltage-divider-ohms = <10000 10000>;
> + };
> +
> + channel@88 {
> + gw,mode = <2>;
> + reg = <0x88>;
> + label = "vdd_2p5";
> + gw,voltage-divider-ohms = <10000 10000>;
> + };
> +
> + channel@8c {
> + gw,mode = <2>;
> + reg = <0x8c>;
> + label = "vdd_arm";
> + };
> +
> + channel@8e {
> + gw,mode = <2>;
> + reg = <0x8e>;
> + label = "vdd_soc";
> + };
> +
> + channel@90 {
> + gw,mode = <2>;
> + reg = <0x90>;
> + label = "vdd_1p5";
> + };
> +
> + channel@92 {
> + gw,mode = <2>;
> + reg = <0x92>;
> + label = "vdd_1p0";
> + };
> +
> + channel@98 {
> + gw,mode = <2>;
> + reg = <0x98>;
> + label = "vdd_3p0";
> + };
> +
> + channel@9a {
> + gw,mode = <2>;
> + reg = <0x9a>;
> + label = "vdd_an1";
> + gw,voltage-divider-ohms = <10000 10000>;
> + };
> +
> + channel@a2 {
> + gw,mode = <2>;
> + reg = <0xa2>;
> + label = "vdd_gsc";
> + gw,voltage-divider-ohms = <10000 10000>;
> + };
> + };
> + };
> +
> + gsc_gpio: pca9555@23 {
> compatible = "nxp,pca9555";
> reg = <0x23>;
> gpio-controller;
> #gpio-cells = <2>;
> + interrupt-parent = <&gsc>;
> + interrupts = <4>;
> };
>
> eeprom@50 {
> --
> 2.7.4
>
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