From beae9356bba73eaf59fc6c646495b59dc9f93da5 Mon Sep 17 00:00:00 2001
From: Todor Tomov <todor.tomov@linaro.org>
Date: Wed, 27 Jun 2018 16:06:38 +0300
Subject: [PATCH 1/2] Makefile: Run C preprocessor on dts files

Device tree files in kernel source use C defines for meaningful
names of some values. When device tree is compiled in kernel
source, the C preprocessor is run first on dts files and then
the dtc compiler.

To be able to use in overlays values with the same meaningful
values, run the C preprocessor first on the dts files. This
requires also the kernel source as the definitions of the
values are found there. When dtbo files are built it is now
required to set KERNEL_PATH variable with kernel source path.

Also use dtc from the kernel source path and remove
no-avoid_unnecessary_addr_size option as it is not avilable in
the dtc compiler from the latest lts kernel (4.14).

Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
---
 Makefile | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index 3a77f3f..f8d427a 100644
--- a/Makefile
+++ b/Makefile
@@ -16,7 +16,12 @@ maintainer-clean : clean
 	$(RM) $(DTBS)
 
 %.dtbo : %.dts
-	dtc -Wno-avoid_default_addr_size -Wno-avoid_unnecessary_addr_size \
+ifndef KERNEL_PATH
+	$(error KERNEL_PATH is not set)
+else
+	$(CC) -E -nostdinc -I$(KERNEL_PATH)/include/ -x assembler-with-cpp $< | \
+	    $(KERNEL_PATH)/scripts/dtc/dtc -Wno-avoid_default_addr_size \
 	    -Wno-reg_format -Wno-unit_address_vs_reg -Odtb\
 	    -o $@ \
-	    -@ $<
+	    -@
+endif

From cc93c7b36505ee99619d4003e49e6161b041aa3f Mon Sep 17 00:00:00 2001
From: Todor Tomov <todor.tomov@linaro.org>
Date: Wed, 27 Jun 2018 16:16:55 +0300
Subject: [PATCH 2/2] Update camera overlays

Update camera overlays for OV5645 and OV5640 on DB410c and
DB820c.

There is no need to keep separate scripts for different camera
configs as the only difference is the overlay being applied.
Add generic overlay-apply.sh script which can be used to apply
all camera overlays.

Signed-off-by: Todor Tomov <todor.tomov@linaro.org>
---
 scripts/db410c/enable-d3-mezzanine.sh         |  37 -------
 scripts/db410c/enable-ov5645.sh               |  32 ------
 .../db410c/overlays/db410c-d3-mezzanine.dtbo  | Bin 458 -> 0 bytes
 .../db410c/overlays/db410c-d3-mezzanine.dts   |  34 -------
 .../overlays/db410c-d3-rear-ov5640.dtbo       | Bin 0 -> 2771 bytes
 .../db410c/overlays/db410c-d3-rear-ov5640.dts |  93 +++++++++++++++++
 scripts/db410c/overlays/db410c-ov5645.dtbo    | Bin 414 -> 0 bytes
 scripts/db410c/overlays/db410c-ov5645.dts     |  29 ------
 .../overlays/db410c-stm32-front-ov5645.dtbo   | Bin 0 -> 2723 bytes
 .../overlays/db410c-stm32-front-ov5645.dts    |  94 ++++++++++++++++++
 .../overlays/db410c-stm32-rear-ov5645.dtbo    | Bin 0 -> 2710 bytes
 .../overlays/db410c-stm32-rear-ov5645.dts     |  94 ++++++++++++++++++
 .../db820c/overlays/db820c-board-ov5645.dtbo  | Bin 0 -> 2692 bytes
 .../db820c/overlays/db820c-board-ov5645.dts   |  92 +++++++++++++++++
 .../overlays/db820c-d3-rear-ov5640.dtbo       | Bin 0 -> 2654 bytes
 .../db820c/overlays/db820c-d3-rear-ov5640.dts |  91 +++++++++++++++++
 .../overlays/db820c-stm32-front-ov5645.dtbo   | Bin 0 -> 2692 bytes
 .../overlays/db820c-stm32-front-ov5645.dts    |  92 +++++++++++++++++
 .../overlays/db820c-stm32-rear-ov5645.dtbo    | Bin 0 -> 2679 bytes
 .../overlays/db820c-stm32-rear-ov5645.dts     |  92 +++++++++++++++++
 scripts/overlay-apply.sh                      |  40 ++++++++
 21 files changed, 688 insertions(+), 132 deletions(-)
 delete mode 100755 scripts/db410c/enable-d3-mezzanine.sh
 delete mode 100755 scripts/db410c/enable-ov5645.sh
 delete mode 100644 scripts/db410c/overlays/db410c-d3-mezzanine.dtbo
 delete mode 100644 scripts/db410c/overlays/db410c-d3-mezzanine.dts
 create mode 100644 scripts/db410c/overlays/db410c-d3-rear-ov5640.dtbo
 create mode 100644 scripts/db410c/overlays/db410c-d3-rear-ov5640.dts
 delete mode 100644 scripts/db410c/overlays/db410c-ov5645.dtbo
 delete mode 100644 scripts/db410c/overlays/db410c-ov5645.dts
 create mode 100644 scripts/db410c/overlays/db410c-stm32-front-ov5645.dtbo
 create mode 100644 scripts/db410c/overlays/db410c-stm32-front-ov5645.dts
 create mode 100644 scripts/db410c/overlays/db410c-stm32-rear-ov5645.dtbo
 create mode 100644 scripts/db410c/overlays/db410c-stm32-rear-ov5645.dts
 create mode 100644 scripts/db820c/overlays/db820c-board-ov5645.dtbo
 create mode 100644 scripts/db820c/overlays/db820c-board-ov5645.dts
 create mode 100644 scripts/db820c/overlays/db820c-d3-rear-ov5640.dtbo
 create mode 100644 scripts/db820c/overlays/db820c-d3-rear-ov5640.dts
 create mode 100644 scripts/db820c/overlays/db820c-stm32-front-ov5645.dtbo
 create mode 100644 scripts/db820c/overlays/db820c-stm32-front-ov5645.dts
 create mode 100644 scripts/db820c/overlays/db820c-stm32-rear-ov5645.dtbo
 create mode 100644 scripts/db820c/overlays/db820c-stm32-rear-ov5645.dts
 create mode 100755 scripts/overlay-apply.sh

diff --git a/scripts/db410c/enable-d3-mezzanine.sh b/scripts/db410c/enable-d3-mezzanine.sh
deleted file mode 100755
index 5b9e24c..0000000
--- a/scripts/db410c/enable-d3-mezzanine.sh
+++ /dev/null
@@ -1,37 +0,0 @@
-#!/bin/bash
-
-BOOTIMG=${1:-/dev/disk/by-partlabel/boot}
-DT_ROOT=`dirname $0`/../..
-DBOOTIMG=`which dbootimg`
-DBOOTIMG=${DBOOTIMG:-${DT_ROOT}/tools/dbootimg/dbootimg}
-DTBTOOL=`which dtbtool`
-DTBTOOL=${DTBTOOL:-${DT_ROOT}/tools/dtbtool/dtbtool}
-
-if [ ! -f ${BOOTIMG} ]; then
-    echo "Invalid bootimg: ${BOOTIMG}"
-    exit 1
-fi
-
-# Check DTB already has camera subsystem node present
-${DBOOTIMG} ${BOOTIMG} -x dtb | ${DTBTOOL} -n camss@1b00000 -p > /dev/null 
-if [ "$?" -ne 0 ]; then
-	echo "Failed to enable D3 mezzanine, no camss node, upgrade your bootimg."
-	exit 1
-fi
-
-# Check rear camera node is already defined
-${DBOOTIMG} ${BOOTIMG} -x dtb | ${DTBTOOL} -n camera_rear@3b -p > /dev/null
-if [ "$?" -ne 0 ]; then
-	echo "Failed to enable D3 mezzanine, no rear camera node, upgrade your bootimg."
-	return -1
-fi
-
-${DBOOTIMG} ${BOOTIMG} -x dtb | ${DTBTOOL} -m `dirname $0`/overlays/db410c-d3-mezzanine.dtbo | ${DBOOTIMG} ${BOOTIMG} -u dtb
-
-if [ "$?" -ne 0 ]; then
-	echo "Failed to update DTB"
-	exit 1
-fi
-
-echo "D3 mezzanine enabled, please reboot"
-sync
diff --git a/scripts/db410c/enable-ov5645.sh b/scripts/db410c/enable-ov5645.sh
deleted file mode 100755
index e7b0643..0000000
--- a/scripts/db410c/enable-ov5645.sh
+++ /dev/null
@@ -1,32 +0,0 @@
-#!/bin/bash
-
-BOOTIMG=${1:-/dev/disk/by-partlabel/boot}
-DT_ROOT=`dirname $0`/../..
-DBOOTIMG=`which dbootimg`
-DBOOTIMG=${DBOOTIMG:-${DT_ROOT}/tools/dbootimg/dbootimg}
-DTBTOOL=`which dtbtool`
-DTBTOOL=${DTBTOOL:-${DT_ROOT}/tools/dtbtool/dtbtool}
-
-# Check DTB already has camera subsystem node present
-${DBOOTIMG} ${BOOTIMG} -x dtb | ${DTBTOOL} -n camss@1b00000 -p > /dev/null 
-if [ "$?" -ne 0 ]; then
-	echo "Failed to enable ov5645, no camss node, upgrade your bootimg."
-	exit 1
-fi
-
-# Check rear camera node is already defined
-${DBOOTIMG} ${BOOTIMG} -x dtb | ${DTBTOOL} -n camera_rear@3b -p > /dev/null
-if [ "$?" -ne 0 ]; then
-	echo "Failed to enable ov5645, no rear camera node, upgrade your bootimg."
-	return -1
-fi
-
-${DBOOTIMG} ${BOOTIMG} -x dtb | ${DTBTOOL} -m `dirname $0`/overlays/db410c-ov5645.dtbo | ${DBOOTIMG} ${BOOTIMG} -u dtb
-
-if [ "$?" -ne 0 ]; then
-	echo "Failed to update DTB"
-	exit 1
-fi
-
-echo "ov5645 enabled, please reboot"
-sync
diff --git a/scripts/db410c/overlays/db410c-d3-mezzanine.dtbo b/scripts/db410c/overlays/db410c-d3-mezzanine.dtbo
deleted file mode 100644
index 94d54436182308043a5932069d80b172a08e5eab..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 458
zcmah_F;2uV5L^Qdf|EcLbQDw+hb|FtI=cMC+87fe&T+6!1V7>}RD6UlAZDGMPEdfQ
z$?VQ-HWPo$zCMZ6I}xqGZ{Q2y7&rptoI~%&^2bw6-7a`0^^@^#?xI`WmdnXg_kkN{
zyHpifky+V&u!!C)jA^T~E=*C3E<U8SA8c6jtJd;@%nMHaqqL+9I~!OB%b~ievnKwb
zRDMY9+z&U)>%30%J>U#@0e<h=fwsXmX9;zjJpoTS*~KVH<z)ZgoV^bz=22W8>goTL
o?e2Qtc4@T!%(TfSypOBxIkolLQsU6qbcyzXV&e21DcFX-0gwhpG5`Po

diff --git a/scripts/db410c/overlays/db410c-d3-mezzanine.dts b/scripts/db410c/overlays/db410c-d3-mezzanine.dts
deleted file mode 100644
index 006c7ec..0000000
--- a/scripts/db410c/overlays/db410c-d3-mezzanine.dts
+++ /dev/null
@@ -1,34 +0,0 @@
-/dts-v1/;
-/plugin/;
-/ {
-	compatible = "qcom,msm8916";
-
-	/* db410c dtb already includes default camera nodes (ov5645), here
-	 * we just enable these nodes and replace the sensor model (ov5640).
-	 */
-	fragment@0 {
-		target-path = "/soc/cci@1b0c000";
-		__overlay__ {
-			status = "ok";
-			camera_rear@3b {
-				compatible = "ovti,ov5640";
-				reg = <0x78>;
-				status = "ok";
-			};
-		};
-	};
-
-	fragment@1 {
-		target-path = "/soc/camss@1b00000";
-		__overlay__ {
-			status = "ok";
-			ports {
-				port@0 {
-					endpoint {
-						status = "ok";
-					};
-				};
-			};
-		};
-	};
-};
diff --git a/scripts/db410c/overlays/db410c-d3-rear-ov5640.dtbo b/scripts/db410c/overlays/db410c-d3-rear-ov5640.dtbo
new file mode 100644
index 0000000000000000000000000000000000000000..97735f41061ecaea28bc86913836383d57491240
GIT binary patch
literal 2771
zcmbVOy^ho{5O(+zzY;$Z6m*<8A#`E0z?}dgw213z5Cu)}CBD5t5{Eduw@U*O1rI<;
z!4ps;8XkZOiGl~X8u0)iV7}N+yy4h8ou%2#jAy<XkH=nrIq~~DV@JO-#%?fn<T`yX
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zV+}8eZWCF%SAS@be1QnV>fads0_kku947u<EY|rbt*k9D-y2)_!sdgK9}y27&daAs
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z?S<NNYSNo?2k8pxIsoI|9x(KYYcU?|0mHppkcVh7`ZH^pJ(oRfS8tm>y+RmOi*a=Z
zqwa^=br5u%O?|0iqr#N8?vb4EUbJ}ga=KN>O;N^jGxvu@BGs*c?b5LnN>q&#?W(Tn
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z!}dPzCJZZYX;Gg=%Wt#CgjL@&FxmE;G&$<-`X@){UU1L-f6n>bST_C<dgc_oO4d@r
zDqaq0KS|tR?NcPD7mFiiN$zJ!RLZfWo4+;7_+(o>PdE8g`7&o|l8+`!#Rkt~3Z^Pv
zjT8V_r~gRTv=y`cfh<%b1x)X|{`h)w_5Q=vRbP#YBAv3k4!`Q~wV$8zoX}!kal@7(
zla=tBO<UkGJ=&D=Bax<xEvV$VFuZf1%|ooC;jE*GXB47fkxGh<X%G@iFH9V|84LTj
II*cOr7X?Z|2LJ#7

literal 0
HcmV?d00001

diff --git a/scripts/db410c/overlays/db410c-d3-rear-ov5640.dts b/scripts/db410c/overlays/db410c-d3-rear-ov5640.dts
new file mode 100644
index 0000000..7c8e336
--- /dev/null
+++ b/scripts/db410c/overlays/db410c-d3-rear-ov5640.dts
@@ -0,0 +1,93 @@
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/clock/qcom,gcc-msm8916.h>
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+	compatible = "qcom,msm8916";
+
+	fragment@0 {
+		target-path = "/soc";
+		__overlay__ {
+			camera_rear_vdddo: fixedregulator_camera_rear@0 {
+				compatible = "regulator-fixed";
+				regulator-name = "camera_rear_vdddo";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-always-on;
+			};
+
+			camera_rear_vdda: fixedregulator_camera_rear@1 {
+				compatible = "regulator-fixed";
+				regulator-name = "camera_rear_vdda";
+				regulator-min-microvolt = <2800000>;
+				regulator-max-microvolt = <2800000>;
+				regulator-always-on;
+			};
+
+			camera_rear_vddd: fixedregulator_camera_rear@2 {
+				compatible = "regulator-fixed";
+				regulator-name = "camera_rear_vddd";
+				regulator-min-microvolt = <1500000>;
+				regulator-max-microvolt = <1500000>;
+				regulator-always-on;
+			};
+		};
+	};
+
+	fragment@1 {
+		target-path = "/soc/cci@1b0c000";
+		__overlay__ {
+			status = "ok";
+
+			camera_rear@3c {
+				compatible = "ovti,ov5640";
+				reg = <0x3c>;
+
+				powerdown-gpios = <&msmgpio 34 GPIO_ACTIVE_HIGH>;
+				reset-gpios = <&msmgpio 35 GPIO_ACTIVE_LOW>;
+				pinctrl-names = "default";
+				pinctrl-0 = <&camera_rear_default>;
+
+				clocks = <&gcc GCC_CAMSS_MCLK0_CLK>;
+				clock-names = "xclk";
+
+				DOVDD-supply = <&camera_rear_vdddo>;
+				AVDD-supply = <&camera_rear_vdda>;
+				DVDD-supply = <&camera_rear_vddd>;
+
+				status = "ok";
+
+				port {
+					camera_rear_ep: endpoint {
+						clock-lanes = <0>;
+						data-lanes = <1 2>;
+						remote-endpoint = <&csiphy0_ep>;
+					};
+				};
+			};
+		};
+	};
+
+	fragment@2 {
+		target-path = "/soc/camss@1b00000";
+		__overlay__ {
+			status = "ok";
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				port@0 {
+					reg = <0>;
+					csiphy0_ep: endpoint {
+						clock-lanes = <1>;
+						data-lanes = <0 2>;
+						remote-endpoint = <&camera_rear_ep>;
+						status = "ok";
+					};
+				};
+			};
+		};
+	};
+};
diff --git a/scripts/db410c/overlays/db410c-ov5645.dtbo b/scripts/db410c/overlays/db410c-ov5645.dtbo
deleted file mode 100644
index a1419af4d6dba901b5fd7c5b3829e5c5b8ec6d4f..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 414
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R4FO%L!z-1a-~)!OhkqSnKqdeH

diff --git a/scripts/db410c/overlays/db410c-ov5645.dts b/scripts/db410c/overlays/db410c-ov5645.dts
deleted file mode 100644
index 85072e6..0000000
--- a/scripts/db410c/overlays/db410c-ov5645.dts
+++ /dev/null
@@ -1,29 +0,0 @@
-/dts-v1/;
-/plugin/;
-/ {
-	compatible = "qcom,msm8916";
-
-	fragment@0 {
-		target-path = "/soc/cci@1b0c000";
-		__overlay__ {
-			status = "ok";
-			camera_rear@3b {
-				status = "ok";
-			};
-		};
-	};
-
-	fragment@1 {
-		target-path = "/soc/camss@1b00000";
-		__overlay__ {
-			status = "ok";
-			ports {
-				port@0 {
-					endpoint {
-						status = "ok";
-					};
-				};
-			};
-		};
-	};
-};
diff --git a/scripts/db410c/overlays/db410c-stm32-front-ov5645.dtbo b/scripts/db410c/overlays/db410c-stm32-front-ov5645.dtbo
new file mode 100644
index 0000000000000000000000000000000000000000..43a0280cddb8e1df733b420fccde1e733772bff2
GIT binary patch
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literal 0
HcmV?d00001

diff --git a/scripts/db410c/overlays/db410c-stm32-front-ov5645.dts b/scripts/db410c/overlays/db410c-stm32-front-ov5645.dts
new file mode 100644
index 0000000..64f7d27
--- /dev/null
+++ b/scripts/db410c/overlays/db410c-stm32-front-ov5645.dts
@@ -0,0 +1,94 @@
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/clock/qcom,gcc-msm8916.h>
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+	compatible = "qcom,msm8916";
+
+	fragment@0 {
+		target-path = "/soc";
+		__overlay__ {
+			camera_front_vdddo: fixedregulator_camera_front@0 {
+				compatible = "regulator-fixed";
+				regulator-name = "camera_front_vdddo";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-always-on;
+			};
+
+			camera_front_vdda: fixedregulator_camera_front@1 {
+				compatible = "regulator-fixed";
+				regulator-name = "camera_front_vdda";
+				regulator-min-microvolt = <2800000>;
+				regulator-max-microvolt = <2800000>;
+				regulator-always-on;
+			};
+
+			camera_front_vddd: fixedregulator_camera_front@2 {
+				compatible = "regulator-fixed";
+				regulator-name = "camera_front_vddd";
+				regulator-min-microvolt = <1500000>;
+				regulator-max-microvolt = <1500000>;
+				regulator-always-on;
+			};
+		};
+	};
+
+	fragment@1 {
+		target-path = "/soc/cci@1b0c000";
+		__overlay__ {
+			status = "ok";
+
+			camera_front@3a {
+				compatible = "ovti,ov5645";
+				reg = <0x3a>;
+
+				enable-gpios = <&msmgpio 33 GPIO_ACTIVE_HIGH>;
+				reset-gpios = <&msmgpio 28 GPIO_ACTIVE_LOW>;
+				pinctrl-names = "default";
+				pinctrl-0 = <&camera_front_default>;
+
+				clocks = <&gcc GCC_CAMSS_MCLK1_CLK>;
+				clock-names = "xclk";
+				clock-frequency = <23880000>;
+
+				vdddo-supply = <&camera_front_vdddo>;
+				vdda-supply = <&camera_front_vdda>;
+				vddd-supply = <&camera_front_vddd>;
+
+				status = "ok";
+
+				port {
+					camera_front_ep: endpoint {
+						clock-lanes = <1>;
+						data-lanes = <0 2>;
+						remote-endpoint = <&csiphy1_ep>;
+					};
+				};
+			};
+		};
+	};
+
+	fragment@2 {
+		target-path = "/soc/camss@1b00000";
+		__overlay__ {
+			status = "ok";
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				port@1 {
+					reg = <1>;
+					csiphy1_ep: endpoint {
+						clock-lanes = <1>;
+						data-lanes = <0 2>;
+						remote-endpoint = <&camera_front_ep>;
+						status = "ok";
+					};
+				};
+			};
+		};
+	};
+};
diff --git a/scripts/db410c/overlays/db410c-stm32-rear-ov5645.dtbo b/scripts/db410c/overlays/db410c-stm32-rear-ov5645.dtbo
new file mode 100644
index 0000000000000000000000000000000000000000..97bb230cdaf0fca94adae674a1b29c849a3cc1e0
GIT binary patch
literal 2710
zcmbtWNsH7#6t1{{E4Y9j#ESzWGO;smj3Y>&{Q(~I5Nnc}o@kPasdPK72%bE6@Hjs}
z#G^MskNyMw175rdf+vsa`)Wz5<7|utuk+rkx7Ay!>+{jyKNvf-&KO%{?7&a@ULZJ5
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z0hZH$Y58-+Lmz;DfM7ipD}0<cgtj){SXn3Y&eC_S4Eq25T9TWnJH1aq&WE0zFN8Z^
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zS~d^F;dwlh4KmoanW=n#-Zr}{(a*Sduw0+x-obJ-?j0;WcLv>T&h#Aukqu|0jnQ=0
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gIO{Re8HT7>qOxjr8pVXtBN3xFBjNr@M@ho|0ykknTmS$7

literal 0
HcmV?d00001

diff --git a/scripts/db410c/overlays/db410c-stm32-rear-ov5645.dts b/scripts/db410c/overlays/db410c-stm32-rear-ov5645.dts
new file mode 100644
index 0000000..fba2e1f
--- /dev/null
+++ b/scripts/db410c/overlays/db410c-stm32-rear-ov5645.dts
@@ -0,0 +1,94 @@
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/clock/qcom,gcc-msm8916.h>
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+	compatible = "qcom,msm8916";
+
+	fragment@0 {
+		target-path = "/soc";
+		__overlay__ {
+			camera_rear_vdddo: fixedregulator_camera_rear@0 {
+				compatible = "regulator-fixed";
+				regulator-name = "camera_rear_vdddo";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-always-on;
+			};
+
+			camera_rear_vdda: fixedregulator_camera_rear@1 {
+				compatible = "regulator-fixed";
+				regulator-name = "camera_rear_vdda";
+				regulator-min-microvolt = <2800000>;
+				regulator-max-microvolt = <2800000>;
+				regulator-always-on;
+			};
+
+			camera_rear_vddd: fixedregulator_camera_rear@2 {
+				compatible = "regulator-fixed";
+				regulator-name = "camera_rear_vddd";
+				regulator-min-microvolt = <1500000>;
+				regulator-max-microvolt = <1500000>;
+				regulator-always-on;
+			};
+		};
+	};
+
+	fragment@1 {
+		target-path = "/soc/cci@1b0c000";
+		__overlay__ {
+			status = "ok";
+
+			camera_rear@3b {
+				compatible = "ovti,ov5645";
+				reg = <0x3b>;
+
+				enable-gpios = <&msmgpio 34 GPIO_ACTIVE_HIGH>;
+				reset-gpios = <&msmgpio 35 GPIO_ACTIVE_LOW>;
+				pinctrl-names = "default";
+				pinctrl-0 = <&camera_rear_default>;
+
+				clocks = <&gcc GCC_CAMSS_MCLK0_CLK>;
+				clock-names = "xclk";
+				clock-frequency = <23880000>;
+
+				vdddo-supply = <&camera_rear_vdddo>;
+				vdda-supply = <&camera_rear_vdda>;
+				vddd-supply = <&camera_rear_vddd>;
+
+				status = "ok";
+
+				port {
+					camera_rear_ep: endpoint {
+						clock-lanes = <1>;
+						data-lanes = <0 2>;
+						remote-endpoint = <&csiphy0_ep>;
+					};
+				};
+			};
+		};
+	};
+
+	fragment@2 {
+		target-path = "/soc/camss@1b00000";
+		__overlay__ {
+			status = "ok";
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				port@0 {
+					reg = <0>;
+					csiphy0_ep: endpoint {
+						clock-lanes = <1>;
+						data-lanes = <0 2>;
+						remote-endpoint = <&camera_rear_ep>;
+						status = "ok";
+					};
+				};
+			};
+		};
+	};
+};
diff --git a/scripts/db820c/overlays/db820c-board-ov5645.dtbo b/scripts/db820c/overlays/db820c-board-ov5645.dtbo
new file mode 100644
index 0000000000000000000000000000000000000000..684474eaf613df2900257afe5f5149b328fba2c8
GIT binary patch
literal 2692
zcmbVOJ8#rL5MJ{T0VNU-2?|6N2_Y177f7OzBD$WQ4w*fBFEO#b#_PM}kPs9|NGU0(
zDUfIo9R(%-fOJ$ebV#(6z<m3#eNJ+TveMkn%+AbyGdsKIZ*zZtGj`z>V{DbNneQ~;
zBDzF$k%)%(k@W90JNe^T(Hj(eBNbWM>uSwu`aKJ-qhzQx6eI}bNE8Vl2LV*xAl?yC
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literal 0
HcmV?d00001

diff --git a/scripts/db820c/overlays/db820c-board-ov5645.dts b/scripts/db820c/overlays/db820c-board-ov5645.dts
new file mode 100644
index 0000000..16a8ac7
--- /dev/null
+++ b/scripts/db820c/overlays/db820c-board-ov5645.dts
@@ -0,0 +1,92 @@
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/clock/qcom,mmcc-msm8996.h>
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+	fragment@0 {
+		target-path = "/soc";
+		__overlay__ {
+			camera_board_vdddo: fixedregulator_camera_board@0 {
+				compatible = "regulator-fixed";
+				regulator-name = "camera_board_vdddo";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-always-on;
+			};
+
+			camera_board_vdda: fixedregulator_camera_board@1 {
+				compatible = "regulator-fixed";
+				regulator-name = "camera_board_vdda";
+				regulator-min-microvolt = <2800000>;
+				regulator-max-microvolt = <2800000>;
+				regulator-always-on;
+			};
+
+			camera_board_vddd: fixedregulator_camera_board@2 {
+				compatible = "regulator-fixed";
+				regulator-name = "camera_board_vddd";
+				regulator-min-microvolt = <1500000>;
+				regulator-max-microvolt = <1500000>;
+				regulator-always-on;
+			};
+		};
+	};
+
+	fragment@1 {
+		target-path = "/soc/cci@a0c000";
+		__overlay__ {
+			status = "ok";
+
+			camera_board@39 {
+				compatible = "ovti,ov5645";
+				reg = <0x39>;
+
+				enable-gpios = <&msmgpio 98 GPIO_ACTIVE_HIGH>;
+				reset-gpios = <&msmgpio 104 GPIO_ACTIVE_LOW>;
+				pinctrl-names = "default";
+				pinctrl-0 = <&camera_board_default>;
+
+				clocks = <&mmcc CAMSS_MCLK1_CLK>;
+				clock-names = "xclk";
+				clock-frequency = <24000000>;
+
+				vdddo-supply = <&camera_board_vdddo>;
+				vdda-supply = <&camera_board_vdda>;
+				vddd-supply = <&camera_board_vddd>;
+
+				status = "ok";
+
+				port {
+					camera_board_ep: endpoint {
+						clock-lanes = <1>;
+						data-lanes = <0 2>;
+						remote-endpoint = <&csiphy1_ep>;
+					};
+				};
+			};
+		};
+	};
+
+	fragment@2 {
+		target-path = "/soc/camss@a00000";
+		__overlay__ {
+			status = "ok";
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				port@1 {
+					reg = <1>;
+					csiphy1_ep: endpoint {
+						clock-lanes = <7>;
+						data-lanes = <0 1>;
+						remote-endpoint = <&camera_board_ep>;
+						status = "ok";
+					};
+				};
+			};
+		};
+	};
+};
diff --git a/scripts/db820c/overlays/db820c-d3-rear-ov5640.dtbo b/scripts/db820c/overlays/db820c-d3-rear-ov5640.dtbo
new file mode 100644
index 0000000000000000000000000000000000000000..1c22da8b97c6f04c99e8a1a7596f2a9bd5643fba
GIT binary patch
literal 2654
zcmbVOy>8S%5Z>cQ1QaBo009L>B!mESPC^ihAUdS0p-YL`*qg*)do8c;l0!m*h6+jw
zcmZlU=<@*Z08~^Il(fKn`*Yqi$tB84b2~FTGyCoA%$~oV{_~5mQ;!*AcNv@6q4^ro
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z79XiV7OdRlMM9xf&Fg`JD{ECA>Ba@cTxDQ?HI_nVZrn_PS?oVr?e_yUD9dcb9(a7;
z<F#Lq@q(fyyyljzL@sL)j9YS!C-iBhR1k|SQ*2J9&xPf^R<@r@Ee&TaMKYlfC5u&B
WZjQo;*j(jkw+RdPhneSb%>DtH0yjVa

literal 0
HcmV?d00001

diff --git a/scripts/db820c/overlays/db820c-d3-rear-ov5640.dts b/scripts/db820c/overlays/db820c-d3-rear-ov5640.dts
new file mode 100644
index 0000000..645ef4b
--- /dev/null
+++ b/scripts/db820c/overlays/db820c-d3-rear-ov5640.dts
@@ -0,0 +1,91 @@
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/clock/qcom,mmcc-msm8996.h>
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+	fragment@0 {
+		target-path = "/soc";
+		__overlay__ {
+			camera_rear_vdddo: fixedregulator_camera_rear@0 {
+				compatible = "regulator-fixed";
+				regulator-name = "camera_rear_vdddo";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-always-on;
+			};
+
+			camera_rear_vdda: fixedregulator_camera_rear@1 {
+				compatible = "regulator-fixed";
+				regulator-name = "camera_rear_vdda";
+				regulator-min-microvolt = <2800000>;
+				regulator-max-microvolt = <2800000>;
+				regulator-always-on;
+			};
+
+			camera_rear_vddd: fixedregulator_camera_rear@2 {
+				compatible = "regulator-fixed";
+				regulator-name = "camera_rear_vddd";
+				regulator-min-microvolt = <1500000>;
+				regulator-max-microvolt = <1500000>;
+				regulator-always-on;
+			};
+		};
+	};
+
+	fragment@1 {
+		target-path = "/soc/cci@a0c000";
+		__overlay__ {
+			status = "ok";
+
+			camera_rear@3c {
+				compatible = "ovti,ov5640";
+				reg = <0x3c>;
+
+				powerdown-gpios = <&msmgpio 26 GPIO_ACTIVE_HIGH>;
+				reset-gpios = <&msmgpio 25 GPIO_ACTIVE_LOW>;
+				pinctrl-names = "default";
+				pinctrl-0 = <&camera_rear_default>;
+
+				clocks = <&mmcc CAMSS_MCLK0_CLK>;
+				clock-names = "xclk";
+
+				DOVDD-supply = <&camera_rear_vdddo>;
+				AVDD-supply = <&camera_rear_vdda>;
+				DVDD-supply = <&camera_rear_vddd>;
+
+				status = "ok";
+
+				port {
+					camera_rear_ep: endpoint {
+						clock-lanes = <0>;
+						data-lanes = <1 2>;
+						remote-endpoint = <&csiphy0_ep>;
+					};
+				};
+			};
+		};
+	};
+
+	fragment@2 {
+		target-path = "/soc/camss@a00000";
+		__overlay__ {
+			status = "ok";
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				port@0 {
+					reg = <0>;
+					csiphy0_ep: endpoint {
+						clock-lanes = <7>;
+						data-lanes = <0 1>;
+						remote-endpoint = <&camera_rear_ep>;
+						status = "ok";
+					};
+				};
+			};
+		};
+	};
+};
diff --git a/scripts/db820c/overlays/db820c-stm32-front-ov5645.dtbo b/scripts/db820c/overlays/db820c-stm32-front-ov5645.dtbo
new file mode 100644
index 0000000000000000000000000000000000000000..9b68042e85e701d7726b2e6186a349f6a7b13217
GIT binary patch
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diff --git a/scripts/db820c/overlays/db820c-stm32-front-ov5645.dts b/scripts/db820c/overlays/db820c-stm32-front-ov5645.dts
new file mode 100644
index 0000000..b218304
--- /dev/null
+++ b/scripts/db820c/overlays/db820c-stm32-front-ov5645.dts
@@ -0,0 +1,92 @@
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/clock/qcom,mmcc-msm8996.h>
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+	fragment@0 {
+		target-path = "/soc";
+		__overlay__ {
+			camera_front_vdddo: fixedregulator_camera_front@0 {
+				compatible = "regulator-fixed";
+				regulator-name = "camera_front_vdddo";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-always-on;
+			};
+
+			camera_front_vdda: fixedregulator_camera_front@1 {
+				compatible = "regulator-fixed";
+				regulator-name = "camera_front_vdda";
+				regulator-min-microvolt = <2800000>;
+				regulator-max-microvolt = <2800000>;
+				regulator-always-on;
+			};
+
+			camera_front_vddd: fixedregulator_camera_front@2 {
+				compatible = "regulator-fixed";
+				regulator-name = "camera_front_vddd";
+				regulator-min-microvolt = <1500000>;
+				regulator-max-microvolt = <1500000>;
+				regulator-always-on;
+			};
+		};
+	};
+
+	fragment@1 {
+		target-path = "/soc/cci@a0c000";
+		__overlay__ {
+			status = "ok";
+
+			camera_front@3a {
+				compatible = "ovti,ov5645";
+				reg = <0x3a>;
+
+				enable-gpios = <&msmgpio 133 GPIO_ACTIVE_HIGH>;
+				reset-gpios = <&msmgpio 23 GPIO_ACTIVE_LOW>;
+				pinctrl-names = "default";
+				pinctrl-0 = <&camera_front_default>;
+
+				clocks = <&mmcc CAMSS_MCLK2_CLK>;
+				clock-names = "xclk";
+				clock-frequency = <24000000>;
+
+				vdddo-supply = <&camera_front_vdddo>;
+				vdda-supply = <&camera_front_vdda>;
+				vddd-supply = <&camera_front_vddd>;
+
+				status = "ok";
+
+				port {
+					camera_front_ep: endpoint {
+						clock-lanes = <1>;
+						data-lanes = <0 2>;
+						remote-endpoint = <&csiphy2_ep>;
+					};
+				};
+			};
+		};
+	};
+
+	fragment@2 {
+		target-path = "/soc/camss@a00000";
+		__overlay__ {
+			status = "ok";
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				port@2 {
+					reg = <2>;
+					csiphy2_ep: endpoint {
+						clock-lanes = <7>;
+						data-lanes = <0 1>;
+						remote-endpoint = <&camera_front_ep>;
+						status = "ok";
+					};
+				};
+			};
+		};
+	};
+};
diff --git a/scripts/db820c/overlays/db820c-stm32-rear-ov5645.dtbo b/scripts/db820c/overlays/db820c-stm32-rear-ov5645.dtbo
new file mode 100644
index 0000000000000000000000000000000000000000..35cb460669d87112a287a149a1dfbae44bedf482
GIT binary patch
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literal 0
HcmV?d00001

diff --git a/scripts/db820c/overlays/db820c-stm32-rear-ov5645.dts b/scripts/db820c/overlays/db820c-stm32-rear-ov5645.dts
new file mode 100644
index 0000000..19f4664
--- /dev/null
+++ b/scripts/db820c/overlays/db820c-stm32-rear-ov5645.dts
@@ -0,0 +1,92 @@
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/clock/qcom,mmcc-msm8996.h>
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+	fragment@0 {
+		target-path = "/soc";
+		__overlay__ {
+			camera_rear_vdddo: fixedregulator_camera_rear@0 {
+				compatible = "regulator-fixed";
+				regulator-name = "camera_rear_vdddo";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+				regulator-always-on;
+			};
+
+			camera_rear_vdda: fixedregulator_camera_rear@1 {
+				compatible = "regulator-fixed";
+				regulator-name = "camera_rear_vdda";
+				regulator-min-microvolt = <2800000>;
+				regulator-max-microvolt = <2800000>;
+				regulator-always-on;
+			};
+
+			camera_rear_vddd: fixedregulator_camera_rear@2 {
+				compatible = "regulator-fixed";
+				regulator-name = "camera_rear_vddd";
+				regulator-min-microvolt = <1500000>;
+				regulator-max-microvolt = <1500000>;
+				regulator-always-on;
+			};
+		};
+	};
+
+	fragment@1 {
+		target-path = "/soc/cci@a0c000";
+		__overlay__ {
+			status = "ok";
+
+			camera_rear@3b {
+				compatible = "ovti,ov5645";
+				reg = <0x3b>;
+
+				enable-gpios = <&msmgpio 26 GPIO_ACTIVE_HIGH>;
+				reset-gpios = <&msmgpio 25 GPIO_ACTIVE_LOW>;
+				pinctrl-names = "default";
+				pinctrl-0 = <&camera_rear_default>;
+
+				clocks = <&mmcc CAMSS_MCLK0_CLK>;
+				clock-names = "xclk";
+				clock-frequency = <24000000>;
+
+				vdddo-supply = <&camera_rear_vdddo>;
+				vdda-supply = <&camera_rear_vdda>;
+				vddd-supply = <&camera_rear_vddd>;
+
+				status = "ok";
+
+				port {
+					camera_rear_ep: endpoint {
+						clock-lanes = <1>;
+						data-lanes = <0 2>;
+						remote-endpoint = <&csiphy0_ep>;
+					};
+				};
+			};
+		};
+	};
+
+	fragment@2 {
+		target-path = "/soc/camss@a00000";
+		__overlay__ {
+			status = "ok";
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+				port@0 {
+					reg = <0>;
+					csiphy0_ep: endpoint {
+						clock-lanes = <7>;
+						data-lanes = <0 1>;
+						remote-endpoint = <&camera_rear_ep>;
+						status = "ok";
+					};
+				};
+			};
+		};
+	};
+};
diff --git a/scripts/overlay-apply.sh b/scripts/overlay-apply.sh
new file mode 100755
index 0000000..b66b5ad
--- /dev/null
+++ b/scripts/overlay-apply.sh
@@ -0,0 +1,40 @@
+#!/bin/bash
+
+OVERLAY=${1}
+BOOTIMG=${2:-/dev/disk/by-partlabel/boot}
+DT_ROOT=`dirname $0`/../..
+DBOOTIMG=`which dbootimg`
+DBOOTIMG=${DBOOTIMG:-${DT_ROOT}/tools/dbootimg/dbootimg}
+DTBTOOL=`which dtbtool`
+DTBTOOL=${DTBTOOL:-${DT_ROOT}/tools/dtbtool/dtbtool}
+
+usage()
+{
+	echo "usage: ${0} overlay.dtbo [boot-image]"
+	echo "boot-image defaults to ${BOOTIMG}"
+}
+
+if [ $# -lt 1 ]; then
+	usage
+	exit 2
+fi
+
+if [ ! -e ${OVERLAY} ]; then
+	echo "${OVERLAY} doesn't exist."
+	exit 3
+fi
+
+if [ ! -e ${BOOTIMG} ]; then
+	echo "${BOOTIMG} doesn't exist."
+	exit 4
+fi
+
+${DBOOTIMG} ${BOOTIMG} -x dtb | ${DTBTOOL} -m ${OVERLAY} | ${DBOOTIMG} ${BOOTIMG} -u dtb
+
+if [ "$?" -ne 0 ]; then
+	echo "Failed to apply ${OVERLAY} to ${BOOTIMG}"
+	exit 1
+fi
+
+sync
+echo "${OVERLAY} applied to ${BOOTIMG}"