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authorVanessa Maegima <vanessa.maegima@nxp.com>2016-08-19 10:21:36 -0300
committerStefano Babic <sbabic@denx.de>2016-09-06 18:22:48 +0200
commit7d301a594d24e4ed63b3099cdb9e09249f945def (patch)
tree9af17e7fa9000545d15c2317aae5ae1647c50d06 /board
parentff3832205eb53b3e0ceebb6cd5d8891e0ec455d9 (diff)
warp7: Add PMIC support
Add PMIC support. Tested by command "pmic PFUZE3000 dump". Signed-off-by: Vanessa Maegima <vanessa.maegima@nxp.com> Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com> Reviewed-by: Stefano Babic <sbabic@denx.de>
Diffstat (limited to 'board')
-rw-r--r--board/warp7/warp7.c57
1 files changed, 57 insertions, 0 deletions
diff --git a/board/warp7/warp7.c b/board/warp7/warp7.c
index 27e31f35d5..cffee4a199 100644
--- a/board/warp7/warp7.c
+++ b/board/warp7/warp7.c
@@ -11,12 +11,17 @@
#include <asm/arch/sys_proto.h>
#include <asm/gpio.h>
#include <asm/imx-common/iomux-v3.h>
+#include <asm/imx-common/mxc_i2c.h>
#include <asm/io.h>
#include <common.h>
#include <fsl_esdhc.h>
+#include <i2c.h>
#include <mmc.h>
#include <asm/arch/crm_regs.h>
#include <usb.h>
+#include <power/pmic.h>
+#include <power/pfuze3000_pmic.h>
+#include "../freescale/common/pfuze.h"
DECLARE_GLOBAL_DATA_PTR;
@@ -25,6 +30,26 @@ DECLARE_GLOBAL_DATA_PTR;
#define USDHC_PAD_CTRL (PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW | \
PAD_CTL_HYS | PAD_CTL_PUE | PAD_CTL_PUS_PU47KOHM)
+#define I2C_PAD_CTRL (PAD_CTL_DSE_3P3V_32OHM | PAD_CTL_SRE_SLOW | \
+ PAD_CTL_HYS | PAD_CTL_PUE | PAD_CTL_PUS_PU100KOHM)
+
+#ifdef CONFIG_SYS_I2C_MXC
+#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
+/* I2C1 for PMIC */
+static struct i2c_pads_info i2c_pad_info1 = {
+ .scl = {
+ .i2c_mode = MX7D_PAD_I2C1_SCL__I2C1_SCL | PC,
+ .gpio_mode = MX7D_PAD_I2C1_SCL__GPIO4_IO8 | PC,
+ .gp = IMX_GPIO_NR(4, 8),
+ },
+ .sda = {
+ .i2c_mode = MX7D_PAD_I2C1_SDA__I2C1_SDA | PC,
+ .gpio_mode = MX7D_PAD_I2C1_SDA__GPIO4_IO9 | PC,
+ .gp = IMX_GPIO_NR(4, 9),
+ },
+};
+#endif
+
int dram_init(void)
{
gd->ram_size = PHYS_SDRAM_SIZE;
@@ -85,11 +110,43 @@ 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);
+
+ return 0;
+}
+#endif
+
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
+
return 0;
}