1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
|
From 7a4d12054b24c8cb980be4c6466b50c14beb78d3 Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.org>
Date: Wed, 28 Aug 2019 13:35:19 +0100
Subject: [PATCH 781/806] dtoverlays: Add overlay for the Sony IMX219 image
sensor.
Adds an overlay for the IMX219 image sensor, connected to the
Unicam CSI2 receiver peripheral.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
---
arch/arm/boot/dts/overlays/Makefile | 1 +
arch/arm/boot/dts/overlays/README | 12 ++
arch/arm/boot/dts/overlays/imx219-overlay.dts | 129 ++++++++++++++++++
3 files changed, 142 insertions(+)
create mode 100644 arch/arm/boot/dts/overlays/imx219-overlay.dts
--- a/arch/arm/boot/dts/overlays/Makefile
+++ b/arch/arm/boot/dts/overlays/Makefile
@@ -77,6 +77,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
i2c6.dtbo \
i2s-gpio28-31.dtbo \
ilitek251x.dtbo \
+ imx219.dtbo \
iqaudio-codec.dtbo \
iqaudio-dac.dtbo \
iqaudio-dacplus.dtbo \
--- a/arch/arm/boot/dts/overlays/README
+++ b/arch/arm/boot/dts/overlays/README
@@ -1269,6 +1269,18 @@ Params: interrupt GPIO use
touchscreen (in pixels)
+Name: imx219
+Info: Sony IMX219 camera module.
+ Uses Unicam 1, which is the standard camera connector on most Pi
+ variants.
+Load: dtoverlay=imx219,<param>=<val>
+Params: i2c_pins_0_1 Use pins 0&1 for the I2C instead of 44&45.
+ Useful on Compute Modules.
+
+ i2c_pins_28_29 Use pins 28&29 for the I2C instead of 44&45.
+ This is required for Pi B+, 2, 0, and 0W.
+
+
Name: iqaudio-codec
Info: Configures the IQaudio Codec audio card
Load: dtoverlay=iqaudio-codec
--- /dev/null
+++ b/arch/arm/boot/dts/overlays/imx219-overlay.dts
@@ -0,0 +1,129 @@
+// SPDX-License-Identifier: GPL-2.0-only
+// Definitions for IMX219 camera module on VC I2C bus
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+
+/{
+ compatible = "brcm,bcm2835";
+
+ fragment@0 {
+ target = <&i2c_vc>;
+ __overlay__ {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "okay";
+
+ imx219: imx219@10 {
+ compatible = "sony,imx219";
+ reg = <0x10>;
+ status = "okay";
+
+ clocks = <&imx219_clk>;
+ clock-names = "xclk";
+
+ VANA-supply = <&imx219_vana>; /* 2.8v */
+ VDIG-supply = <&imx219_vdig>; /* 1.8v */
+ VDDL-supply = <&imx219_vddl>; /* 1.2v */
+
+ imx219_clk: camera-clk {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <24000000>;
+ };
+
+ port {
+ imx219_0: endpoint {
+ remote-endpoint = <&csi1_ep>;
+ clock-lanes = <0>;
+ data-lanes = <1 2>;
+ clock-noncontinuous;
+ link-frequencies =
+ /bits/ 64 <297000000>;
+ };
+ };
+ };
+ };
+ };
+
+ fragment@1 {
+ target = <&csi1>;
+ __overlay__ {
+ status = "okay";
+
+ port {
+ csi1_ep: endpoint {
+ remote-endpoint = <&imx219_0>;
+ };
+ };
+ };
+ };
+
+ fragment@2 {
+ target = <&i2c0_pins>;
+ __dormant__ {
+ brcm,pins = <28 29>;
+ brcm,function = <4>; /* alt0 */
+ };
+ };
+ fragment@3 {
+ target = <&i2c0_pins>;
+ __overlay__ {
+ brcm,pins = <44 45>;
+ brcm,function = <5>; /* alt1 */
+ };
+ };
+ fragment@4 {
+ target = <&i2c0_pins>;
+ __dormant__ {
+ brcm,pins = <0 1>;
+ brcm,function = <4>; /* alt0 */
+ };
+ };
+ fragment@5 {
+ target = <&i2c_vc>;
+ __overlay__ {
+ status = "okay";
+ };
+ };
+
+ fragment@6 {
+ target-path="/";
+ __overlay__ {
+ imx219_vana: fixedregulator@0 {
+ compatible = "regulator-fixed";
+ regulator-name = "imx219_vana";
+ regulator-min-microvolt = <2800000>;
+ regulator-max-microvolt = <2800000>;
+ gpio = <&gpio 41 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+ imx219_vdig: fixedregulator@1 {
+ compatible = "regulator-fixed";
+ regulator-name = "imx219_vdig";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ };
+ imx219_vddl: fixedregulator@2 {
+ compatible = "regulator-fixed";
+ regulator-name = "imx219_vddl";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+ };
+ };
+ };
+
+ fragment@7 {
+ target-path="/__overrides__";
+ __overlay__ {
+ cam0-pwdn-ctrl = <&imx219_vana>,"gpio:0";
+ cam0-pwdn = <&imx219_vana>,"gpio:4";
+ };
+ };
+
+ __overrides__ {
+ i2c_pins_0_1 = <0>,"-2-3+4";
+ i2c_pins_28_29 = <0>,"+2-3-4";
+ };
+};
|
