samples: net: lwm2m_client: support Pinnacle 100 with HL78xx driver

Add support for using the HL78XX modem driver with Pinnacle 100
modem boards.

Signed-off-by: Ryan Erickson <[email protected]>

Author: rerickson1

samples/net/lwm2m_client/Kconfig

@@ -47,7 +47,7 @@ config NET_SAMPLE_LWM2M_SERVER
 
 config NET_SAMPLE_LWM2M_WAIT_DNS
 	bool "Wait DNS server addition before considering connection to be up"
-	depends on MODEM_HL7800 && !DNS_SERVER_IP_ADDRESSES
+	depends on (MODEM_HL7800 || MODEM_HL78XX) && !DNS_SERVER_IP_ADDRESSES
 	help
 	  Make sure we get DNS server addresses from the network
 	  before considering the connection to be up.

samples/net/lwm2m_client/overlay-pinnacle_100-hl78xx.conf

@@ -0,0 +1,24 @@
+CONFIG_MODEM_HL7800=n
+CONFIG_UART_ASYNC_API=y
+CONFIG_MODEM_HL78XX=y
+CONFIG_MODEM_HL78XX_AUTORAT=n
+
+# The HL78xx driver gets its IP settings from the cell network
+CONFIG_NET_CONFIG_SETTINGS=n
+CONFIG_NET_CONNECTION_MANAGER=y
+CONFIG_NET_SAMPLE_LWM2M_WAIT_DNS=y
+CONFIG_DNS_RESOLVER=y
+
+# NB-IoT has large latency, so increase timeouts. It is ok to use this for Cat-M1 as well.
+CONFIG_NET_SOCKETS_DNS_TIMEOUT=12000
+CONFIG_NET_SOCKETS_CONNECT_TIMEOUT=13000
+CONFIG_NET_SOCKETS_DTLS_TIMEOUT=15000
+CONFIG_COAP_INIT_ACK_TIMEOUT_MS=15000
+
+# Logging
+# CONFIG_LOG_BUFFER_SIZE=65535
+# For extra debug
+# CONFIG_MODEM_MODULES_LOG_LEVEL_DBG=y
+# CONFIG_MODEM_LOG_LEVEL_DBG=y
+# CONFIG_MODEM_CHAT_LOG_BUFFER_SIZE=1024
+# CONFIG_MODEM_HL78XX_LOG_CONTEXT_VERBOSE_DEBUG=y

samples/net/lwm2m_client/pinnacle_100-hl78xx.overlay

@@ -0,0 +1,36 @@
+/delete-node/ &hl7800;
+
+/ {
+	aliases {
+		modem-uart = &uart1;
+		modem = &hl7800;
+		gnss = &gnss;
+	};
+};
+
+&uart1 {
+	hl7800: hl7800 {
+		compatible = "swir,hl7800";
+		status = "okay";
+		mdm-reset-gpios = <&gpio1 15 (GPIO_OPEN_DRAIN | GPIO_ACTIVE_LOW)>;
+		mdm-wake-gpios = <&gpio1 13 (GPIO_OPEN_SOURCE | GPIO_ACTIVE_HIGH)>;
+		mdm-pwr-on-gpios = <&gpio1 2 (GPIO_OPEN_DRAIN | GPIO_ACTIVE_LOW)>;
+		mdm-fast-shutd-gpios = <&gpio1 14 (GPIO_OPEN_DRAIN | GPIO_ACTIVE_LOW)>;
+		mdm-vgpio-gpios = <&gpio1 11 0>;
+		mdm-uart-dsr-gpios = <&gpio0 25 0>;
+		mdm-uart-cts-gpios = <&gpio0 15 0>;
+		mdm-gpio6-gpios = <&gpio1 12 0>;
+		socket_offload: socket_offload {
+			compatible = "swir,hl7812-offload";
+			status = "okay";
+			/* optional properties for future: */
+			max-data-length = <512>;
+		};
+		gnss: hl_gnss {
+			compatible = "swir,hl7812-gnss";
+			pps-mode = "GNSS_PPS_MODE_DISABLED";
+			fix-rate = <1000>;
+			status = "disabled";
+		};
+	};
+};