358 lines
8.7 KiB
Diff
358 lines
8.7 KiB
Diff
From e9f620ec2b1b93e7ab6320702ac0916e2dcc6f0c Mon Sep 17 00:00:00 2001
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From: Yang Deokgyu <secugyu@gmail.com>
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Date: Thu, 5 Dec 2019 18:07:13 +0900
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Subject: [PATCH 056/109] ODROID-XU4: Introduce device tree overlay
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Copy *.dtbo files at arch/arm/boot/dts/overlays to boot
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partition, e.g, /media/boot/overlays/. Then use "fdtoverlay" tool
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to integrate DTB and DTBOs. Or, you also can use "fdt apply" u-boot
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command to prepare device tree blob at booting time.
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Signed-off-by: Yang Deokgyu <secugyu@gmail.com>
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Change-Id: I40e6a915e2149952fb548f64e7fae335ba12db18
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---
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Makefile | 2 +-
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arch/arm/boot/dts/Makefile | 4 +++
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arch/arm/boot/dts/exynos5422-odroidxu4.dts | 8 ++---
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arch/arm/boot/dts/overlays/Makefile | 12 +++++++
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.../dts/overlays/hktft-cs-ogst-overlay.dts | 36 +++++++++++++++++++
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.../arm/boot/dts/overlays/hktft32-overlay.dts | 36 +++++++++++++++++++
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.../arm/boot/dts/overlays/hktft35-overlay.dts | 36 +++++++++++++++++++
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arch/arm/boot/dts/overlays/i2c1-overlay.dts | 12 +++++++
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arch/arm/boot/dts/overlays/i2c5-overlay.dts | 12 +++++++
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.../arm/boot/dts/overlays/spidev1-overlay.dts | 20 +++++++++++
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scripts/Makefile.dtbinst | 3 +-
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scripts/Makefile.lib | 16 ++++++++-
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12 files changed, 190 insertions(+), 7 deletions(-)
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create mode 100644 arch/arm/boot/dts/overlays/Makefile
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create mode 100644 arch/arm/boot/dts/overlays/hktft-cs-ogst-overlay.dts
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create mode 100644 arch/arm/boot/dts/overlays/hktft32-overlay.dts
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create mode 100644 arch/arm/boot/dts/overlays/hktft35-overlay.dts
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create mode 100644 arch/arm/boot/dts/overlays/i2c1-overlay.dts
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create mode 100644 arch/arm/boot/dts/overlays/i2c5-overlay.dts
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create mode 100644 arch/arm/boot/dts/overlays/spidev1-overlay.dts
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diff --git a/Makefile b/Makefile
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index 78b0941f0de4..3848550790f9 100644
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--- a/Makefile
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+++ b/Makefile
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@@ -1381,7 +1381,7 @@ ifneq ($(dtstree),)
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$(Q)$(MAKE) $(build)=$(dtstree) $(dtstree)/$@
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%.dtbo: include/config/kernel.release scripts_dtc
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- $(Q)$(MAKE) $(build)=$(dtstree) $(dtstree)/$@
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+ $(Q)$(MAKE) $(build)=$(dtstree)/overlays $(dtstree)/overlays/$@
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PHONY += dtbs dtbs_install dtbs_check
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dtbs: include/config/kernel.release scripts_dtc
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diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
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index 8e5d4ab4e75e..29e11aa614be 100644
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--- a/arch/arm/boot/dts/Makefile
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+++ b/arch/arm/boot/dts/Makefile
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@@ -1438,3 +1438,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \
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aspeed-bmc-portwell-neptune.dtb \
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aspeed-bmc-quanta-q71l.dtb \
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aspeed-bmc-supermicro-x11spi.dtb
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+
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+targets += $(dtb-y)
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+
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+subdir-y := overlays
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diff --git a/arch/arm/boot/dts/exynos5422-odroidxu4.dts b/arch/arm/boot/dts/exynos5422-odroidxu4.dts
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index 9b218e1a3bec..6b88dcb68844 100644
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--- a/arch/arm/boot/dts/exynos5422-odroidxu4.dts
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+++ b/arch/arm/boot/dts/exynos5422-odroidxu4.dts
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@@ -137,25 +137,25 @@ &usbdrd_dwc3_1 {
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/* i2c@12C70000 */
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&i2c_1 {
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- status = "okay";
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+ status = "disabled";
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samsung,i2c-max-bus-freq = <400000>;
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};
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/* i2c@12cb0000 */
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&hsi2c_5 {
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- status = "okay";
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+ status = "disabled";
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samsung,hs-mode;
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clock-frequency = <400000>;
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};
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&spi_1 {
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- status = "okay";
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+ status = "disabled";
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samsung,spi-src-clk = <0>;
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num-cs = <2>;
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cs-gpios = <&gpa2 5 GPIO_ACTIVE_HIGH>, <&gpx2 1 GPIO_ACTIVE_HIGH>;
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spidev: spidev@0 {
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- status = "okay";
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+ status = "disabled";
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reg = <0>;
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compatible = "odroid,spidev";
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spi-max-frequency = <1000000>;
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diff --git a/arch/arm/boot/dts/overlays/Makefile b/arch/arm/boot/dts/overlays/Makefile
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new file mode 100644
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index 000000000000..9502f67ce928
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--- /dev/null
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+++ b/arch/arm/boot/dts/overlays/Makefile
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@@ -0,0 +1,12 @@
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+# Overlays for the Odroid platform
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+
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+dtbo-y += \
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+ spidev1-overlay.dtbo \
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+ i2c1-overlay.dtbo \
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+ i2c5-overlay.dtbo \
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+ hktft32-overlay.dtbo \
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+ hktft35-overlay.dtbo \
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+ hktft-cs-ogst-overlay.dtbo
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+
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+targets += $(dtbo-y)
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+always := $(dtbo-y)
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diff --git a/arch/arm/boot/dts/overlays/hktft-cs-ogst-overlay.dts b/arch/arm/boot/dts/overlays/hktft-cs-ogst-overlay.dts
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new file mode 100644
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index 000000000000..a727fb311574
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--- /dev/null
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+++ b/arch/arm/boot/dts/overlays/hktft-cs-ogst-overlay.dts
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@@ -0,0 +1,36 @@
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+/dts-v1/;
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+/plugin/;
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+
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+/ {
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+ fragment@0 {
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+ target = <&i2c_1>;
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+
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+ __overlay__ {
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+ status = "disabled";
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+ };
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+ };
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+
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+ fragment@1 {
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+ target = <&hsi2c_5>;
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+
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+ __overlay__ {
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+ status = "disabled";
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+ };
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+ };
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+
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+ fragment@2 {
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+ target = <&spi_1>;
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+
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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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+ fragment@3 {
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+ target = <&hktft_cs_ogst>;
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+
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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/arm/boot/dts/overlays/hktft32-overlay.dts b/arch/arm/boot/dts/overlays/hktft32-overlay.dts
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new file mode 100644
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index 000000000000..7bda6cd8e6d8
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--- /dev/null
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+++ b/arch/arm/boot/dts/overlays/hktft32-overlay.dts
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@@ -0,0 +1,36 @@
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+/dts-v1/;
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+/plugin/;
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+
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+/ {
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+ fragment@0 {
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+ target = <&i2c_1>;
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+
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+ __overlay__ {
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+ status = "disabled";
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+ };
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+ };
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+
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+ fragment@1 {
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+ target = <&hsi2c_5>;
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+
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+ __overlay__ {
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+ status = "disabled";
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+ };
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+ };
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+
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+ fragment@2 {
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+ target = <&spi_1>;
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+
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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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+ fragment@3 {
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+ target = <&hktft32>;
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+
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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/arm/boot/dts/overlays/hktft35-overlay.dts b/arch/arm/boot/dts/overlays/hktft35-overlay.dts
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new file mode 100644
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index 000000000000..a656dd272165
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--- /dev/null
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+++ b/arch/arm/boot/dts/overlays/hktft35-overlay.dts
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@@ -0,0 +1,36 @@
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+/dts-v1/;
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+/plugin/;
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+
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+/ {
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+ fragment@0 {
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+ target = <&i2c_1>;
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+
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+ __overlay__ {
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+ status = "disabled";
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+ };
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+ };
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+
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+ fragment@1 {
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+ target = <&hsi2c_5>;
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+
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+ __overlay__ {
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+ status = "disabled";
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+ };
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+ };
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+
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+ fragment@2 {
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+ target = <&spi_1>;
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+
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+ __overlay__ {
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+ status = "disabled";
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+ };
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+ };
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+
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+ fragment@3 {
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+ target = <&hktft35>;
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+
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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/arm/boot/dts/overlays/i2c1-overlay.dts b/arch/arm/boot/dts/overlays/i2c1-overlay.dts
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new file mode 100644
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index 000000000000..2fd27754e7c8
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--- /dev/null
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+++ b/arch/arm/boot/dts/overlays/i2c1-overlay.dts
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@@ -0,0 +1,12 @@
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+/dts-v1/;
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+/plugin/;
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+
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+/ {
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+ fragment@0 {
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+ target = <&i2c_1>;
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+
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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/arm/boot/dts/overlays/i2c5-overlay.dts b/arch/arm/boot/dts/overlays/i2c5-overlay.dts
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new file mode 100644
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index 000000000000..9ef9e66699e0
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--- /dev/null
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+++ b/arch/arm/boot/dts/overlays/i2c5-overlay.dts
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@@ -0,0 +1,12 @@
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+/dts-v1/;
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+/plugin/;
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+
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+/ {
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+ fragment@0 {
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+ target = <&hsi2c_5>;
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+
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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/arm/boot/dts/overlays/spidev1-overlay.dts b/arch/arm/boot/dts/overlays/spidev1-overlay.dts
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new file mode 100644
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index 000000000000..c5cb6bcb6011
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--- /dev/null
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+++ b/arch/arm/boot/dts/overlays/spidev1-overlay.dts
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@@ -0,0 +1,20 @@
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+/dts-v1/;
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+/plugin/;
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+
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+/ {
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+ fragment@0 {
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+ target = <&spi_1>;
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+
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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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+ fragment@1 {
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+ target = <&spidev>;
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+
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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/scripts/Makefile.dtbinst b/scripts/Makefile.dtbinst
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index ba01f5ba2517..079b83308011 100644
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--- a/scripts/Makefile.dtbinst
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+++ b/scripts/Makefile.dtbinst
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@@ -18,9 +18,10 @@ include scripts/Kbuild.include
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include $(src)/Makefile
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dtbs := $(addprefix $(dst)/, $(dtb-y) $(if $(CONFIG_OF_ALL_DTBS),$(dtb-)))
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+dtbos := $(addprefix $(dst)/, $(dtbo-y) $(if $(CONFIG_OF_ALL_DTBS),$(dtb-)))
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subdirs := $(addprefix $(obj)/, $(subdir-y) $(subdir-m))
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-__dtbs_install: $(dtbs) $(subdirs)
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+__dtbs_install: $(dtbs) $(dtbos) $(subdirs)
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@:
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quiet_cmd_dtb_install = INSTALL $@
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diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
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index 8cd67b1b6d15..30e7a5d6e680 100644
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--- a/scripts/Makefile.lib
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+++ b/scripts/Makefile.lib
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@@ -291,12 +291,14 @@ DTC_FLAGS += -Wno-interrupt_provider
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ifeq ($(findstring 1,$(KBUILD_EXTRA_WARN)),)
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DTC_FLAGS += -Wno-unit_address_vs_reg \
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-Wno-unit_address_format \
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+ -Wno-gpios_property \
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-Wno-avoid_unnecessary_addr_size \
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-Wno-alias_paths \
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-Wno-graph_child_address \
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-Wno-simple_bus_reg \
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-Wno-unique_unit_address \
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- -Wno-pci_device_reg
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+ -Wno-pci_device_reg \
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+ --symbol
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endif
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ifneq ($(findstring 2,$(KBUILD_EXTRA_WARN)),)
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@@ -354,6 +356,18 @@ endef
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$(obj)/%.dt.yaml: $(src)/%.dts $(DTC) $(DT_TMP_SCHEMA) FORCE
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$(call if_changed_rule,dtc)
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+quiet_cmd_dtco = DTCO $@
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+cmd_dtco = mkdir -p $(dir ${dtc-tmp}) ; \
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+ $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \
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+ $(DTC) -@ -H epapr -O dtb -o $@ -b 0 \
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+ -i $(dir $<) $(DTC_FLAGS) \
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+ -Wno-interrupts_property \
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+ -d $(depfile).dtc.tmp $(dtc-tmp) ; \
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+ cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile)
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+
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+$(obj)/%.dtbo: $(obj)/%.dts FORCE
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+ $(call if_changed_dep,dtco)
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+
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dtc-tmp = $(subst $(comma),_,$(dot-target).dts.tmp)
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# Bzip2
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--
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2.25.1
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