From b04601a7f0f29138bd4a14c383cdeefe83b5a7ee Mon Sep 17 00:00:00 2001 From: "Philip, Avinash" Date: Fri, 30 Aug 2013 16:28:43 -0400 Subject: drivers/power/pmic: Add tps65910 driver Add a driver for the TPS65910 PMIC that is found in the AM335x GP EVM, AM335x EVM SK and others. Signed-off-by: Philip, Avinash [trini: Split and rework Avinash's changes into new drivers/power framework] Signed-off-by: Tom Rini --- include/power/tps65910.h | 77 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100644 include/power/tps65910.h (limited to 'include/power/tps65910.h') diff --git a/include/power/tps65910.h b/include/power/tps65910.h new file mode 100644 index 0000000..ca84301 --- /dev/null +++ b/include/power/tps65910.h @@ -0,0 +1,77 @@ +/* + * (C) Copyright 2011-2013 + * Texas Instruments, + * + * SPDX-License-Identifier: GPL-2.0+ + * + * For more details, please see the TRM at http://www.ti.com/product/tps65910 + */ +#ifndef __POWER_TPS65910_H__ +#define __POWER_TPS65910_H__ + +#define MPU 0 +#define CORE 1 + +#define TPS65910_SR_I2C_ADDR 0x12 +#define TPS65910_CTRL_I2C_ADDR 0x2D + +/* PMIC Register offsets */ +enum { + TPS65910_VDD1_REG = 0x21, + TPS65910_VDD1_OP_REG = 0x22, + TPS65910_VDD2_REG = 0x24, + TPS65910_VDD2_OP_REG = 0x25, + TPS65910_DEVCTRL_REG = 0x3F, +}; + +/* VDD2 & VDD1 control register (VDD2_REG & VDD1_REG) */ +#define TPS65910_VGAIN_SEL_MASK (0x3 << 6) +#define TPS65910_ILMAX_MASK (0x1 << 5) +#define TPS65910_TSTEP_MASK (0x7 << 2) +#define TPS65910_ST_MASK (0x3) + +#define TPS65910_REG_VGAIN_SEL_X1 (0x0 << 6) +#define TPS65910_REG_VGAIN_SEL_X1_0 (0x1 << 6) +#define TPS65910_REG_VGAIN_SEL_X3 (0x2 << 6) +#define TPS65910_REG_VGAIN_SEL_X4 (0x3 << 6) + +#define TPS65910_REG_ILMAX_1_0_A (0x0 << 5) +#define TPS65910_REG_ILMAX_1_5_A (0x1 << 5) + +#define TPS65910_REG_TSTEP_ (0x0 << 2) +#define TPS65910_REG_TSTEP_12_5 (0x1 << 2) +#define TPS65910_REG_TSTEP_9_4 (0x2 << 2) +#define TPS65910_REG_TSTEP_7_5 (0x3 << 2) +#define TPS65910_REG_TSTEP_6_25 (0x4 << 2) +#define TPS65910_REG_TSTEP_4_7 (0x5 << 2) +#define TPS65910_REG_TSTEP_3_12 (0x6 << 2) +#define TPS65910_REG_TSTEP_2_5 (0x7 << 2) + +#define TPS65910_REG_ST_OFF (0x0) +#define TPS65910_REG_ST_ON_HI_POW (0x1) +#define TPS65910_REG_ST_OFF_1 (0x2) +#define TPS65910_REG_ST_ON_LOW_POW (0x3) + + +/* VDD2 & VDD1 voltage selection register. (VDD2_OP_REG & VDD1_OP_REG) */ +#define TPS65910_OP_REG_SEL (0x7F) + +#define TPS65910_OP_REG_CMD_MASK (0x1 << 7) +#define TPS65910_OP_REG_CMD_OP (0x0 << 7) +#define TPS65910_OP_REG_CMD_SR (0x1 << 7) + +#define TPS65910_OP_REG_SEL_MASK (0x7F) +#define TPS65910_OP_REG_SEL_0_9_5 (0x1F) /* 0.9500 V */ +#define TPS65910_OP_REG_SEL_1_1_3 (0x2E) /* 1.1375 V */ +#define TPS65910_OP_REG_SEL_1_2_0 (0x33) /* 1.2000 V */ +#define TPS65910_OP_REG_SEL_1_2_6 (0x38) /* 1.2625 V */ +#define TPS65910_OP_REG_SEL_1_3_2_5 (0x3D) /* 1.3250 V */ + +/* Device control register . (DEVCTRL_REG) */ +#define TPS65910_DEVCTRL_REG_SR_CTL_I2C_MASK (0x1 << 4) +#define TPS65910_DEVCTRL_REG_SR_CTL_I2C_SEL_SR_I2C (0x0 << 4) +#define TPS65910_DEVCTRL_REG_SR_CTL_I2C_SEL_CTL_I2C (0x1 << 4) + +int tps65910_set_i2c_control(void); +int tps65910_voltage_update(unsigned int module, unsigned char vddx_op_vol_sel); +#endif /* __POWER_TPS65910_H__ */ -- cgit v1.1