mirror of
https://github.com/Fishwaldo/build.git
synced 2025-03-26 16:51:48 +00:00
229 lines
6 KiB
Diff
229 lines
6 KiB
Diff
diff --git a/arch/arm64/boot/dts/amlogic/Makefile~ b/arch/arm64/boot/dts/amlogic/Makefile
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index a97c0e2..2671344 100644
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--- a/arch/arm64/boot/dts/amlogic/Makefile
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+++ b/arch/arm64/boot/dts/amlogic/Makefile
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@@ -26,3 +26,5 @@ dtb-$(CONFIG_ARCH_MESON) += meson-gxm-q200.dtb
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dtb-$(CONFIG_ARCH_MESON) += meson-gxm-q201.dtb
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dtb-$(CONFIG_ARCH_MESON) += meson-gxm-rbox-pro.dtb
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dtb-$(CONFIG_ARCH_MESON) += meson-gxm-vega-s96.dtb
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+
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+subdir-y := $(dts-dirs) overlay
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diff --git a/arch/arm64/boot/dts/amlogic/overlay/Makefile b/arch/arm64/boot/dts/amlogic/overlay/Makefile
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index e69de29..576e190 100644
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--- /dev/null
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+++ b/arch/arm64/boot/dts/amlogic/overlay/Makefile
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@@ -0,0 +1,20 @@
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+# SPDX-License-Identifier: GPL-2.0
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+dtbo-$(CONFIG_ARCH_MESON) += \
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+ meson-i2cA.dtbo \
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+ meson-i2cB.dtbo \
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+ meson-uartA.dtbo \
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+ meson-uartC.dtbo \
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+ meson-w1-gpio.dtbo \
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+ meson-w1AB-gpio.dtbo
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+
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+scr-$(CONFIG_ARCH_MESON) += \
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+ meson-fixup.scr
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+
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+dtbotxt-$(CONFIG_ARCH_MESON) += \
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+ README.meson-overlays
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+
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+targets += $(dtbo-y) $(scr-y) $(dtbotxt-y)
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+
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+always := $(dtbo-y) $(scr-y) $(dtbotxt-y)
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+clean-files := *.dtbo *.scr
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+
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+
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diff --git a/arch/arm64/boot/dts/amlogic/overlay/README.meson-overlays b/arch/arm64/boot/dts/amlogic/overlay/README.meson-overlays
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index e69de29..9512445 100644
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--- /dev/null
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+++ b/arch/arm64/boot/dts/amlogic/overlay/README.meson-overlays
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@@ -0,0 +1,20 @@
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+This document describes overlays provided in the kernel packages
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+For generic Armbian overlays documentation please see
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+https://docs.armbian.com/User-Guide_Allwinner_overlays/
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+
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+### Platform:
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+
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+meson (Amlogic)
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+
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+### Provided overlays:
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+
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+- i2c8
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+
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+### Overlay details:
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+
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+### i2c8
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+
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+Activates TWI/I2C bus 8
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+
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+I2C8 pins (SCL, SDA): GPIO1-C4, GPIO1-C5
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+
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diff --git a/arch/arm64/boot/dts/amlogic/overlay/meson-fixup.scr-cmd b/arch/arm64/boot/dts/amlogic/overlay/meson-fixup.scr-cmd
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new file mode 100644
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index 0000000..d4c39e2
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--- /dev/null
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+++ b/arch/arm64/boot/dts/amlogic/overlay/meson-fixup.scr-cmd
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@@ -0,0 +1,4 @@
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+# overlays fixup script
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+# implements (or rather substitutes) overlay arguments functionality
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+# using u-boot scripting, environment variables and "fdt" command
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+
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diff --git a/arch/arm64/boot/dts/amlogic/overlay/meson-i2cA.dts b/arch/arm64/boot/dts/amlogic/overlay/meson-i2cA.dts
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new file mode 100644
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index 0000000..700c2dd
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--- /dev/null
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+++ b/arch/arm64/boot/dts/amlogic/overlay/meson-i2cA.dts
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@@ -0,0 +1,17 @@
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+/dts-v1/;
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+
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+/ {
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+ compatible = "amlogic,meson-gxbb";
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+ fragment@0 {
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+ target-path = "/aliases";
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+ __overlay__ {
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+ i2cA = "/soc/bus@c1100000/i2c@8500";
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+ };
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+ };
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+ fragment@1 {
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+ target-path = "/soc/bus@c1100000/i2c@8500";
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+ __overlay__ {
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+ status = "okay";
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+ };
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+ };
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+};
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diff --git a/arch/arm64/boot/dts/amlogic/overlay/meson-i2cB.dts b/arch/arm64/boot/dts/amlogic/overlay/meson-i2cB.dts
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new file mode 100644
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index 0000000..700c2dd
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--- /dev/null
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+++ b/arch/arm64/boot/dts/amlogic/overlay/meson-i2cB.dts
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@@ -0,0 +1,17 @@
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+/dts-v1/;
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+
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+/ {
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+ compatible = "amlogic,meson-gxbb";
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+ fragment@0 {
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+ target-path = "/aliases";
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+ __overlay__ {
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+ i2cA = "/soc/bus@c1100000/i2c@87c0";
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+ };
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+ };
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+ fragment@1 {
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+ target-path = "/soc/bus@c1100000/i2c@87c0";
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+ __overlay__ {
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+ status = "okay";
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+ };
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+ };
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+};
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diff --git a/arch/arm64/boot/dts/amlogic/overlay/meson-uartA.dts b/arch/arm64/boot/dts/amlogic/overlay/meson-uartA.dts
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new file mode 100644
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index 0000000..2b40ee4
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--- /dev/null
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+++ b/arch/arm64/boot/dts/amlogic/overlay/meson-uartA.dts
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@@ -0,0 +1,11 @@
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+/dts-v1/;
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+
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+/ {
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+ compatible = "amlogic,meson-gxbb";
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+ fragment@0 {
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+ target-path = "/soc/bus@c1100000/serial@84c0";
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+ __overlay__ {
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+ status = "okay";
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+ };
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+ };
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+};
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diff --git a/arch/arm64/boot/dts/amlogic/overlay/meson-uartC.dts b/arch/arm64/boot/dts/amlogic/overlay/meson-uartC.dts
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new file mode 100644
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index 0000000..2b40ee4
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--- /dev/null
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+++ b/arch/arm64/boot/dts/amlogic/overlay/meson-uartC.dts
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@@ -0,0 +1,11 @@
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+/dts-v1/;
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+
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+/ {
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+ compatible = "amlogic,meson-gxbb";
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+ fragment@0 {
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+ target-path = "/soc/bus@c1100000/serial@8700";
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+ __overlay__ {
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+ status = "okay";
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+ };
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+ };
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+};
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diff --git a/arch/arm64/boot/dts/amlogic/overlay/meson-w1-gpio.dts b/arch/arm64/boot/dts/amlogic/overlay/meson-w1-gpio.dts
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new file mode 100644
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index 0000000..ac76a4f
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--- /dev/null
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+++ b/arch/arm64/boot/dts/amlogic/overlay/meson-w1-gpio.dts
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@@ -0,0 +1,20 @@
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+// Definitions for w1-gpio module (without external pullup)
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+/dts-v1/;
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+/plugin/;
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+
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+/ {
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+ compatible = "amlogic,meson-gxbb";
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+
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+ fragment@0 {
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+ target-path = "/";
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+ __overlay__ {
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+
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+ w1: onewire@0 {
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+ compatible = "w1-gpio";
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+ pinctrl-names = "default";
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+ gpios = <&gpio 91 6>; // GPIOY_16
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+ status = "okay";
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+ };
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+ };
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+ };
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+};
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diff --git a/arch/arm64/boot/dts/amlogic/overlay/meson-w1AB-gpio.dts b/arch/arm64/boot/dts/amlogic/overlay/meson-w1AB-gpio.dts
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new file mode 100644
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index 0000000..ac76a4f
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--- /dev/null
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+++ b/arch/arm64/boot/dts/amlogic/overlay/meson-w1AB-gpio.dts
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@@ -0,0 +1,32 @@
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+// Definitions for w1-gpio module (without external pullup)
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+/dts-v1/;
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+/plugin/;
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+
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+/ {
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+ compatible = "amlogic,meson-gxbb";
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+
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+ fragment@0 {
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+ target-path = "/";
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+ __overlay__ {
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+
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+ w1a: onewire@0 {
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+ compatible = "w1-gpio";
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+ pinctrl-names = "default";
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+ gpios = <&gpio 91 6>; // GPIOY_16
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+ status = "okay";
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+ };
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+ };
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+ };
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+ fragment@1 {
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+ target-path = "/";
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+ __overlay__ {
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+
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+ w1b: onewire@1 {
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+ compatible = "w1-gpio";
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+ pinctrl-names = "default";
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+ gpios = <&gpio 90 6>; // GPIOY_15
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+ status = "okay";
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+ };
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+ };
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+ };
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+};
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diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
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index 26e6af4..65b9435 100644
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--- a/scripts/Makefile.lib
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+++ b/scripts/Makefile.lib
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@@ -65,6 +65,9 @@ real-objs-m := $(foreach m, $(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y)
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extra-y += $(dtb-y)
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extra-$(CONFIG_OF_ALL_DTBS) += $(dtb-)
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+# Overlay targets
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+extra-y += $(dtbo-y) $(scr-y) $(dtbotxt-y)
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+
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# Add subdir path
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extra-y := $(addprefix $(obj)/,$(extra-y))
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