Add initial vision and voice boards docs.

Change-Id: If1bc88370d1bca39a8b4255eceb4ac9fafb17a32
google · Jul 2, 2018 · fd23c56 · fd23c56
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diff --git a/docs/vision.md b/docs/vision.md
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+# Vision Bonnet
+
+## Pinout (40-pin header)
+
+```
+                   3.3V --> 1    2 <-- 5V
+                I2C_SDA --> 3    4 <-- 5V
+                I2C_SCL --> 5    6 <-- GND
+                            7    8
+                    GND --> 9   10
+                            11  12
+                            13  14 <-- GND
+  (GPIO_22) BUZZER_GPIO --> 15  16 <-- BUTTON_GPIO (GPIO_23)
+                   3.3V --> 17  18
+               SPI_MOSI --> 19  20 <-- GND
+               SPI_MISO --> 21  22
+               SPI_SCLK --> 23  24 <-- SPI_CE_MRD
+                    GND --> 25  26
+                 ID_SDA --> 27  28 <-- ID_SCL
+                            29  30 <-- GND
+          PI_TO_MRD_IRQ --> 31  32
+          MRD_TO_PI_IRQ --> 33  34 <-- GND
+                            35  36
+             MRD_UNUSED --> 37  38
+                    GND --> 39  40
+```
diff --git a/docs/voice.md b/docs/voice.md
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+# Voice HAT and Voice Bonnet
+
+## Pinout (40-pin header)
+
+Voice HAT
+```
+       3.3V --> 1    2 <-- 5V
+                3    4 <-- 5V
+                5    6 <-- GND
+                7    8
+        GND --> 9   10
+                11  12 <-- I2S_BCLK
+                13  14 <-- GND
+                15  16 <-- BUTTON_GPIO (GPIO_23)
+       3.3V --> 17  18
+                19  20 <-- GND
+                21  22 <-- LED_GPIO (GPIO_25)
+                23  24
+        GND --> 25  26
+     ID_SDA --> 27  28 <-- ID_SCL
+                29  30 <-- GND
+                31  32
+  I2S_LRCLK --> 33  34 <-- GND
+                35  36 <-- AMP_ENABLE
+                37  38 <-- I2S_DIN
+        GND --> 39  40 <-- I2S_DOUT
+```
+
+Voice Bonnet
+```
+       3.3V --> 1    2 <-- 5V
+    I2C_SDA --> 3    4 <-- 5V
+    I2C_SCL --> 5    6 <-- GND
+                7    8
+        GND --> 9   10
+                11  12 <-- I2S_BCLK
+                13  14 <-- GND
+                15  16 <-- BUTTON_GPIO (GPIO_23)
+       3.3V --> 17  18
+                19  20 <-- GND
+                21  22
+                23  24
+        GND --> 25  26
+     ID_SDA --> 27  28 <-- ID_SCL
+                29  30 <-- GND
+                31  32
+  I2S_LRCLK --> 33  34 <-- GND
+                35  36
+                37  38 <-- I2S_DIN
+        GND --> 39  40 <-- I2S_DOUT
+```