fw: drivers: add da1468x bluetooth code

src/bluetooth-fw/da1468x/controller/board/board_silk.c

@@ -0,0 +1,81 @@
+/*
+ * Copyright 2024 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "board.h"
+
+static const BoardConfigHostSPI s_host_spi = {
+  .mcu_int = {
+    .port = HW_GPIO_PORT_2,
+    .pin = HW_GPIO_PIN_3,
+    .function = HW_GPIO_FUNC_GPIO,
+  },
+
+  .spi = {
+    .peripheral = HW_SPI1,
+    .cs = {
+      .port = HW_GPIO_PORT_0,
+      .pin = HW_GPIO_PIN_1,
+      .function = HW_GPIO_FUNC_SPI_EN,
+    },
+    .cs_2 = {
+      .port = HW_GPIO_PORT_0,
+      .pin = HW_GPIO_PIN_7,
+      .function = HW_GPIO_FUNC_GPIO,
+    },
+    .clk = {
+      .port = HW_GPIO_PORT_0,
+      .pin = HW_GPIO_PIN_0,
+      .function = HW_GPIO_FUNC_SPI_CLK,
+    },
+    .miso_do = {
+      .port = HW_GPIO_PORT_1,
+      .pin = HW_GPIO_PIN_3,
+      .function = HW_GPIO_FUNC_SPI_DO,
+    },
+    .mosi_di = {
+      .port = HW_GPIO_PORT_0,
+      .pin = HW_GPIO_PIN_4,
+      .function = HW_GPIO_FUNC_SPI_DI,
+    },
+  }
+};
+
+// These are spare GPIOs on both the SILK and ROBERT bigboards which are broken out to a header
+// Check out debug_gpio.h for more info on how to leverage them for debug
+static BoardConfigGpioDebug s_debug_gpios = {
+  .num_debug_gpios = 4,
+  .debug_gpio = {
+    [0] = {
+      .port = HW_GPIO_PORT_3,
+      .pin = HW_GPIO_PIN_0,
+    },
+    [1] = {
+      .port = HW_GPIO_PORT_3,
+      .pin = HW_GPIO_PIN_1,
+    },
+    [2] = {
+      .port = HW_GPIO_PORT_3,
+      .pin = HW_GPIO_PIN_2,
+    },
+    [3] = {
+      .port = HW_GPIO_PORT_3,
+      .pin = HW_GPIO_PIN_3,
+    },
+  }
+};
+
+const BoardConfigHostSPI * const HOST_SPI = &s_host_spi;
+BoardConfigGpioDebug * const DEBUG_GPIOS = &s_debug_gpios;