MLK-17313-3 imx8mq_evk: Add USB PD power sink support

Enable the TCPC driver for i.MX8MQ EVK board. When booting with dead battery,
the TCPC driver will setup USB PD connection to negotiate the power with PD
power charger.

Signed-off-by: Ye Li <ye.li@nxp.com>
Acked-by: Jun Li <jun.li@nxp.com>

diff --git a/board/freescale/imx8mq_evk/Kconfig b/board/freescale/imx8mq_evk/Kconfig
index 421b081..3f3bddf 100644 (file)
--- a/board/freescale/imx8mq_evk/Kconfig
+++ b/board/freescale/imx8mq_evk/Kconfig
@@ -9,4 +9,6 @@ config SYS_VENDOR
 config SYS_CONFIG_NAME
        default "imx8mq_evk"
 
+source "board/freescale/common/Kconfig"
+
 endif

diff --git a/board/freescale/imx8mq_evk/imx8m_evk.c b/board/freescale/imx8mq_evk/imx8m_evk.c
index 618f77c..ed5c912 100644 (file)
--- a/board/freescale/imx8mq_evk/imx8m_evk.c
+++ b/board/freescale/imx8mq_evk/imx8m_evk.c
@@ -23,6 +23,8 @@
 #include <spl.h>
 #include <power/pmic.h>
 #include <power/pfuze100_pmic.h>
+#include <dm.h>
+#include "../common/tcpc.h"
 #include "../common/pfuze.h"
 #include <usb.h>
 #include <dwc3-uboot.h>
@@ -224,6 +226,32 @@ int board_usb_cleanup(int index, enum usb_init_type init)
 }
 #endif
 
+#ifdef CONFIG_USB_TCPC
+struct tcpc_port port;
+struct tcpc_port_config port_config = {
+       .i2c_bus = 0,
+       .addr = 0x50,
+       .port_type = TYPEC_PORT_UFP,
+       .max_snk_mv = 20000,
+       .max_snk_ma = 3000,
+       .max_snk_mw = 15000,
+       .op_snk_mv = 9000,
+};
+
+static int setup_typec(void)
+{
+       int ret;
+
+       ret = tcpc_init(&port, port_config, NULL);
+       if (ret) {
+               printf("%s: tcpc init failed, err=%d\n",
+                       __func__, ret);
+       }
+
+       return ret;
+}
+#endif
+
 int board_init(void)
 {
        board_qspi_init();
@@ -232,6 +260,9 @@ int board_init(void)
        setup_fec();
 #endif
 
+#ifdef CONFIG_USB_TCPC
+       setup_typec();
+#endif
        return 0;
 }
 

diff --git a/configs/imx8mq_evk_defconfig b/configs/imx8mq_evk_defconfig
index f1ca4b2..671f0e0 100644 (file)
--- a/configs/imx8mq_evk_defconfig
+++ b/configs/imx8mq_evk_defconfig
@@ -34,3 +34,4 @@ CONFIG_DM_THERMAL=y
 CONFIG_FIT=y
 CONFIG_SPL_FIT=y
 CONFIG_SPL_LOAD_FIT=y
+CONFIG_USB_TCPC=y