]> git.sur5r.net Git - u-boot/blobdiff - board/technexion/pico-imx6ul/pico-imx6ul.c
SPDX: Convert all of our single license tags to Linux Kernel style
[u-boot] / board / technexion / pico-imx6ul / pico-imx6ul.c
index b0b8f054c140e1ac3da0252dd4620acdedad46b8..8c76778276010bdde94f5a7cff7e3597019c3f66 100644 (file)
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright (C) 2015 Technexion Ltd.
  *
  * Author: Richard Hu <richard.hu@technexion.com>
- *
- * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <asm/arch/clock.h>
 #include <asm/arch/mx6-pins.h>
 #include <asm/arch/sys_proto.h>
 #include <asm/gpio.h>
-#include <asm/imx-common/iomux-v3.h>
+#include <asm/mach-imx/iomux-v3.h>
+#include <asm/mach-imx/mxc_i2c.h>
 #include <asm/io.h>
 #include <common.h>
 #include <miiphy.h>
 #include <netdev.h>
 #include <fsl_esdhc.h>
+#include <i2c.h>
 #include <linux/sizes.h>
 #include <usb.h>
+#include <power/pmic.h>
+#include <power/pfuze3000_pmic.h>
+#include "../../freescale/common/pfuze.h"
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -32,6 +36,11 @@ DECLARE_GLOBAL_DATA_PTR;
        PAD_CTL_PUS_22K_UP  | PAD_CTL_SPEED_LOW |               \
        PAD_CTL_DSE_80ohm   | PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
 
+#define I2C_PAD_CTRL   (PAD_CTL_PKE | PAD_CTL_PUE |            \
+       PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED |               \
+       PAD_CTL_DSE_40ohm | PAD_CTL_HYS |                       \
+       PAD_CTL_ODE)
+
 #define OTG_ID_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE |           \
        PAD_CTL_PUS_47K_UP  | PAD_CTL_SPEED_LOW |               \
        PAD_CTL_DSE_80ohm   | PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
@@ -47,6 +56,23 @@ DECLARE_GLOBAL_DATA_PTR;
 
 #define RMII_PHY_RESET IMX_GPIO_NR(1, 28)
 
+#ifdef CONFIG_SYS_I2C_MXC
+#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
+/* I2C2 for PMIC */
+struct i2c_pads_info i2c_pad_info1 = {
+       .scl = {
+               .i2c_mode =  MX6_PAD_GPIO1_IO02__I2C1_SCL | PC,
+               .gpio_mode = MX6_PAD_GPIO1_IO02__GPIO1_IO02 | PC,
+               .gp = IMX_GPIO_NR(1, 2),
+       },
+       .sda = {
+               .i2c_mode = MX6_PAD_GPIO1_IO03__I2C1_SDA | PC,
+               .gpio_mode = MX6_PAD_GPIO1_IO03__GPIO1_IO03 | PC,
+               .gp = IMX_GPIO_NR(1, 3),
+       },
+};
+#endif
+
 static iomux_v3_cfg_t const fec_pads[] = {
        MX6_PAD_ENET1_TX_EN__ENET2_MDC          | MUX_PAD_CTRL(MDIO_PAD_CTRL),
        MX6_PAD_ENET1_TX_DATA1__ENET2_MDIO      | MUX_PAD_CTRL(MDIO_PAD_CTRL),
@@ -182,6 +208,43 @@ int board_early_init_f(void)
        return 0;
 }
 
+#ifdef CONFIG_POWER
+#define I2C_PMIC       0
+static struct pmic *pfuze;
+int power_init_board(void)
+{
+       int ret;
+       unsigned int reg, rev_id;
+
+       ret = power_pfuze3000_init(I2C_PMIC);
+       if (ret)
+               return ret;
+
+       pfuze = pmic_get("PFUZE3000");
+       ret = pmic_probe(pfuze);
+       if (ret)
+               return ret;
+
+       pmic_reg_read(pfuze, PFUZE3000_DEVICEID, &reg);
+       pmic_reg_read(pfuze, PFUZE3000_REVID, &rev_id);
+       printf("PMIC: PFUZE3000 DEV_ID=0x%x REV_ID=0x%x\n", reg, rev_id);
+
+       /* disable Low Power Mode during standby mode */
+       pmic_reg_write(pfuze, PFUZE3000_LDOGCTL, 0x1);
+
+       /* SW1B step ramp up time from 2us to 4us/25mV */
+       pmic_reg_write(pfuze, PFUZE3000_SW1BCONF, 0x40);
+
+       /* SW1B mode to APS/PFM */
+       pmic_reg_write(pfuze, PFUZE3000_SW1BMODE, 0xc);
+
+       /* SW1B standby voltage set to 0.975V */
+       pmic_reg_write(pfuze, PFUZE3000_SW1BSTBY, 0xb);
+
+       return 0;
+}
+#endif
+
 int board_usb_phy_mode(int port)
 {
        if (port == 1)
@@ -211,6 +274,10 @@ int board_init(void)
        /* Address of boot parameters */
        gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
 
+       #ifdef CONFIG_SYS_I2C_MXC
+               setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1);
+       #endif
+
        setup_fec();
        setup_usb();