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domenico
@@ -0,0 +1,240 @@
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From 4ff654e437ab356b86fc0df4665997886b94e6ec Mon Sep 17 00:00:00 2001
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From: Phil Elwell <phil@raspberrypi.com>
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Date: Thu, 18 Apr 2024 11:24:54 +0100
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Subject: [PATCH 1030/1085] overlays: Force IRQ pins to inputs
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Requesting a GPIO as an interrupt source does not automatically make it
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an input (or even a GPIO pin). Add the necessary pinctrl nodes to the
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overlays that don't already do this.
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See: https://github.com/raspberrypi/linux/issues/6106
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Signed-off-by: Phil Elwell <phil@raspberrypi.com>
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---
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.../boot/dts/overlays/i2c-sensor-common.dtsi | 27 ++++++++++++++++---
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.../dts/overlays/sc16is750-i2c-overlay.dts | 16 ++++++++++-
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.../dts/overlays/sc16is752-i2c-overlay.dts | 16 ++++++++++-
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.../dts/overlays/sc16is752-spi0-overlay.dts | 16 ++++++++++-
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.../dts/overlays/sc16is752-spi1-overlay.dts | 13 +++++++--
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5 files changed, 79 insertions(+), 9 deletions(-)
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--- a/arch/arm/boot/dts/overlays/i2c-sensor-common.dtsi
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+++ b/arch/arm/boot/dts/overlays/i2c-sensor-common.dtsi
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@@ -307,6 +307,8 @@
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maxim,ir-led-current-microamp = <7000>;
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interrupt-parent = <&gpio>;
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interrupts = <4 2>;
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+ pinctrl-0 = <&int_pins>;
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+ pinctrl-names = "default";
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};
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};
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};
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@@ -436,6 +438,8 @@
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reg = <0x68>;
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interrupt-parent = <&gpio>;
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interrupts = <4 2>;
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+ pinctrl-0 = <&int_pins>;
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+ pinctrl-names = "default";
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};
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};
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};
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@@ -453,6 +457,8 @@
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reg = <0x68>;
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interrupt-parent = <&gpio>;
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interrupts = <4 2>;
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+ pinctrl-0 = <&int_pins>;
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+ pinctrl-names = "default";
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};
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};
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};
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@@ -523,6 +529,17 @@
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};
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};
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+ fragment@99 {
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+ target = <&gpio>;
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+ __dormant__ {
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+ int_pins: int_pins@4 {
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+ brcm,pins = <4>;
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+ brcm,function = <0>; /* in */
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+ brcm,pull = <0>; /* none */
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+ };
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+ };
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+ };
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+
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__overrides__ {
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bme280 = <0>,"+0";
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bmp085 = <0>,"+1";
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@@ -545,7 +562,7 @@
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sgp30 = <0>,"+16";
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ccs811 = <0>, "+17";
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bh1750 = <0>, "+18";
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- max30102 = <0>,"+19";
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+ max30102 = <0>,"+19+99";
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aht10 = <0>,"+20";
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mcp980x = <0>,"+21";
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jc42 = <0>,"+22";
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@@ -554,8 +571,8 @@
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ms5805 = <0>,"+25";
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ms5837 = <0>,"+26";
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ms8607 = <0>,"+27";
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- mpu6050 = <0>,"+28";
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- mpu9250 = <0>,"+29";
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+ mpu6050 = <0>,"+28+99";
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+ mpu9250 = <0>,"+29+99";
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bno055 = <0>,"+31";
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sht4x = <0>,"+32";
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adt7410 = <0>,"+34";
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@@ -569,7 +586,9 @@
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<&mpu6050>,"reg:0", <&mpu9250>,"reg:0",
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<&bno055>,"reg:0", <&sht4x>,"reg:0",
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<&bmp380>,"reg:0", <&adt7410>,"reg:0";
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- int_pin = <&max30102>, "interrupts:0",
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+ int_pin = <&int_pins>, "brcm,pins:0",
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+ <&int_pins>, "reg:0",
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+ <&max30102>, "interrupts:0",
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<&mpu6050>, "interrupts:0",
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<&mpu9250>, "interrupts:0";
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no_timeout = <&jc42>, "smbus-timeout-disable?";
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--- a/arch/arm/boot/dts/overlays/sc16is750-i2c-overlay.dts
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+++ b/arch/arm/boot/dts/overlays/sc16is750-i2c-overlay.dts
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@@ -17,6 +17,8 @@
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clocks = <&sc16is750_clk>;
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interrupt-parent = <&gpio>;
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interrupts = <24 2>; /* IRQ_TYPE_EDGE_FALLING */
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+ pinctrl-0 = <&int_pins>;
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+ pinctrl-names = "default";
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gpio-controller;
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#gpio-cells = <2>;
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i2c-max-frequency = <400000>;
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@@ -35,8 +37,20 @@
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};
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};
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+ fragment@2 {
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+ target = <&gpio>;
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+ __overlay__ {
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+ int_pins: int_pins@18 {
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+ brcm,pins = <24>;
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+ brcm,function = <0>; /* in */
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+ brcm,pull = <0>; /* none */
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+ };
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+ };
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+ };
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+
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__overrides__ {
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- int_pin = <&sc16is750>,"interrupts:0";
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+ int_pin = <&sc16is750>,"interrupts:0", <&int_pins>,"brcm,pins:0",
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+ <&int_pins>,"reg:0";
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addr = <&sc16is750>,"reg:0", <&sc16is750_clk>,"name";
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xtal = <&sc16is750_clk>,"clock-frequency:0";
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};
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--- a/arch/arm/boot/dts/overlays/sc16is752-i2c-overlay.dts
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+++ b/arch/arm/boot/dts/overlays/sc16is752-i2c-overlay.dts
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@@ -17,6 +17,8 @@
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clocks = <&sc16is752_clk>;
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interrupt-parent = <&gpio>;
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interrupts = <24 2>; /* IRQ_TYPE_EDGE_FALLING */
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+ pinctrl-0 = <&int_pins>;
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+ pinctrl-names = "default";
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gpio-controller;
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#gpio-cells = <2>;
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i2c-max-frequency = <400000>;
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@@ -35,8 +37,20 @@
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};
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};
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+ fragment@2 {
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+ target = <&gpio>;
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+ __overlay__ {
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+ int_pins: int_pins@18 {
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+ brcm,pins = <24>;
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+ brcm,function = <0>; /* in */
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+ brcm,pull = <0>; /* none */
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+ };
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+ };
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+ };
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+
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__overrides__ {
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- int_pin = <&sc16is752>,"interrupts:0";
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+ int_pin = <&sc16is752>,"interrupts:0", <&int_pins>,"brcm,pins:0",
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+ <&int_pins>,"reg:0";
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addr = <&sc16is752>,"reg:0",<&sc16is752_clk>,"name";
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xtal = <&sc16is752_clk>,"clock-frequency:0";
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};
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--- a/arch/arm/boot/dts/overlays/sc16is752-spi0-overlay.dts
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+++ b/arch/arm/boot/dts/overlays/sc16is752-spi0-overlay.dts
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@@ -17,6 +17,8 @@
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clocks = <&sc16is752_clk>;
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interrupt-parent = <&gpio>;
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interrupts = <24 2>; /* IRQ_TYPE_EDGE_FALLING */
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+ pinctrl-0 = <&int_pins>;
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+ pinctrl-names = "default";
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gpio-controller;
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#gpio-cells = <2>;
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spi-max-frequency = <4000000>;
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@@ -42,8 +44,20 @@
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};
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};
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+ fragment@3 {
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+ target = <&gpio>;
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+ __overlay__ {
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+ int_pins: int_pins@18 {
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+ brcm,pins = <24>;
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+ brcm,function = <0>; /* in */
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+ brcm,pull = <0>; /* none */
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+ };
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+ };
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+ };
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+
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__overrides__ {
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- int_pin = <&sc16is752>,"interrupts:0";
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+ int_pin = <&sc16is752>,"interrupts:0", <&int_pins>,"brcm,pins:0",
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+ <&int_pins>,"reg:0";
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xtal = <&sc16is752_clk>,"clock-frequency:0";
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};
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};
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--- a/arch/arm/boot/dts/overlays/sc16is752-spi1-overlay.dts
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+++ b/arch/arm/boot/dts/overlays/sc16is752-spi1-overlay.dts
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@@ -16,6 +16,12 @@
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brcm,pins = <18>;
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brcm,function = <1>; /* output */
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};
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+
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+ int_pins: int_pins@18 {
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+ brcm,pins = <24>;
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+ brcm,function = <0>; /* in */
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+ brcm,pull = <0>; /* none */
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+ };
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};
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};
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@@ -25,7 +31,7 @@
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#address-cells = <1>;
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#size-cells = <0>;
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pinctrl-names = "default";
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- pinctrl-0 = <&spi1_pins &spi1_cs_pins>;
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+ pinctrl-0 = <&spi1_pins &spi1_cs_pins &int_pins>;
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cs-gpios = <&gpio 18 1>;
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status = "okay";
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@@ -35,6 +41,8 @@
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clocks = <&sc16is752_clk>;
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interrupt-parent = <&gpio>;
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interrupts = <24 2>; /* IRQ_TYPE_EDGE_FALLING */
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+ pinctrl-0 = <&int_pins>;
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+ pinctrl-names = "default";
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gpio-controller;
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#gpio-cells = <2>;
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spi-max-frequency = <4000000>;
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@@ -61,7 +69,8 @@
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};
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__overrides__ {
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- int_pin = <&sc16is752>,"interrupts:0";
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+ int_pin = <&sc16is752>,"interrupts:0", <&int_pins>,"brcm,pins:0",
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+ <&int_pins>,"reg:0";
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xtal = <&sc16is752_clk>,"clock-frequency:0";
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};
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};
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