Since the Pfuze initializations are similar on various mx6 SABRE boards. Factorize the initialization to a common function in file board/freescale/common/pfuze.c. So that all SABRE boards BSP can share the function.
Signed-off-by: Ye.Li <[email protected]> --- Changes since v1: - Factorize the pfuze init function for sabre boards. board/freescale/common/Makefile | 1 + board/freescale/common/pfuze.c | 54 +++++++++++++++++++++++++++++++++++++++ board/freescale/common/pfuze.h | 12 ++++++++ 3 files changed, 67 insertions(+), 0 deletions(-) create mode 100644 board/freescale/common/pfuze.c create mode 100644 board/freescale/common/pfuze.h diff --git a/board/freescale/common/Makefile b/board/freescale/common/Makefile index 22b57cc..66fbdbc 100644 --- a/board/freescale/common/Makefile +++ b/board/freescale/common/Makefile @@ -49,6 +49,7 @@ obj-$(CONFIG_P5040DS) += ics307_clk.o obj-$(CONFIG_VSC_CROSSBAR) += vsc3316_3308.o obj-$(CONFIG_IDT8T49N222A) += idt8t49n222a_serdes_clk.o obj-$(CONFIG_ZM7300) += zm7300.o +obj-$(CONFIG_POWER_PFUZE100) += pfuze.o # deal with common files for P-series corenet based devices obj-$(CONFIG_P2041RDB) += p_corenet/ diff --git a/board/freescale/common/pfuze.c b/board/freescale/common/pfuze.c new file mode 100644 index 0000000..4398170 --- /dev/null +++ b/board/freescale/common/pfuze.c @@ -0,0 +1,54 @@ +/* + * Copyright 2014 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <power/pmic.h> +#include <power/pfuze100_pmic.h> + +struct pmic * pfuze_common_init(unsigned char i2cbus) +{ + struct pmic *p; + int ret; + unsigned int reg; + + ret = power_pfuze100_init(i2cbus); + if (ret) + return NULL; + + p = pmic_get("PFUZE100"); + ret = pmic_probe(p); + if (ret) + return NULL; + + pmic_reg_read(p, PFUZE100_DEVICEID, ®); + printf("PMIC: PFUZE100 ID=0x%02x\n", reg); + + /* Set SW1AB stanby volage to 0.975V */ + pmic_reg_read(p, PFUZE100_SW1ABSTBY, ®); + reg &= ~0x3f; + reg |= 0x1b; + pmic_reg_write(p, PFUZE100_SW1ABSTBY, reg); + + /* Set SW1AB/VDDARM step ramp up time from 16us to 4us/25mV */ + pmic_reg_read(p, PUZE_100_SW1ABCONF, ®); + reg &= ~0xc0; + reg |= 0x40; + pmic_reg_write(p, PUZE_100_SW1ABCONF, reg); + + /* Set SW1C standby voltage to 0.975V */ + pmic_reg_read(p, PFUZE100_SW1CSTBY, ®); + reg &= ~0x3f; + reg |= 0x1b; + pmic_reg_write(p, PFUZE100_SW1CSTBY, reg); + + /* Set SW1C/VDDSOC step ramp up time from 16us to 4us/25mV */ + pmic_reg_read(p, PFUZE100_SW1CCONF, ®); + reg &= ~0xc0; + reg |= 0x40; + pmic_reg_write(p, PFUZE100_SW1CCONF, reg); + + return p; +} diff --git a/board/freescale/common/pfuze.h b/board/freescale/common/pfuze.h new file mode 100644 index 0000000..c5d1771 --- /dev/null +++ b/board/freescale/common/pfuze.h @@ -0,0 +1,12 @@ +/* + * Copyright 2014 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __PFUZE_BOARD_HELPER__ +#define __PFUZE_BOARD_HELPER__ + +struct pmic * pfuze_common_init(unsigned char i2cbus); + +#endif -- 1.7.4.1 _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
