diff options
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/i2c-uclass.c | 2 | ||||
| -rw-r--r-- | drivers/i2c/i2c-uniphier-f.c | 7 | ||||
| -rw-r--r-- | drivers/i2c/i2c-uniphier.c | 7 | ||||
| -rw-r--r-- | drivers/i2c/mv_i2c.c | 2 | ||||
| -rw-r--r-- | drivers/i2c/mvtwsi.c | 17 |
5 files changed, 20 insertions, 15 deletions
diff --git a/drivers/i2c/i2c-uclass.c b/drivers/i2c/i2c-uclass.c index a6991bf875..b890806a44 100644 --- a/drivers/i2c/i2c-uclass.c +++ b/drivers/i2c/i2c-uclass.c @@ -230,6 +230,8 @@ static int i2c_bind_driver(struct udevice *bus, uint chip_addr, uint offset_len, snprintf(name, sizeof(name), "generic_%x", chip_addr); str = strdup(name); + if (!str) + return -ENOMEM; ret = device_bind_driver(bus, "i2c_generic_chip_drv", str, &dev); debug("%s: device_bind_driver: ret=%d\n", __func__, ret); if (ret) diff --git a/drivers/i2c/i2c-uniphier-f.c b/drivers/i2c/i2c-uniphier-f.c index 6707edd9ef..fd28c17399 100644 --- a/drivers/i2c/i2c-uniphier-f.c +++ b/drivers/i2c/i2c-uniphier-f.c @@ -1,6 +1,7 @@ /* * Copyright (C) 2014 Panasonic Corporation - * Author: Masahiro Yamada <yamada.m@jp.panasonic.com> + * Copyright (C) 2015 Socionext Inc. + * Author: Masahiro Yamada <yamada.masahiro@socionext.com> * * SPDX-License-Identifier: GPL-2.0+ */ @@ -352,8 +353,8 @@ static const struct dm_i2c_ops uniphier_fi2c_ops = { }; static const struct udevice_id uniphier_fi2c_of_match[] = { - { .compatible = "panasonic,uniphier-fi2c" }, - {}, + { .compatible = "socionext,uniphier-fi2c" }, + { /* sentinel */ } }; U_BOOT_DRIVER(uniphier_fi2c) = { diff --git a/drivers/i2c/i2c-uniphier.c b/drivers/i2c/i2c-uniphier.c index 64a9ed81d2..666272dd0d 100644 --- a/drivers/i2c/i2c-uniphier.c +++ b/drivers/i2c/i2c-uniphier.c @@ -1,6 +1,7 @@ /* * Copyright (C) 2014 Panasonic Corporation - * Author: Masahiro Yamada <yamada.m@jp.panasonic.com> + * Copyright (C) 2015 Socionext Inc. + * Author: Masahiro Yamada <yamada.masahiro@socionext.com> * * SPDX-License-Identifier: GPL-2.0+ */ @@ -212,8 +213,8 @@ static const struct dm_i2c_ops uniphier_i2c_ops = { }; static const struct udevice_id uniphier_i2c_of_match[] = { - { .compatible = "panasonic,uniphier-i2c" }, - {}, + { .compatible = "socionext,uniphier-i2c" }, + { /* sentinel */ } }; U_BOOT_DRIVER(uniphier_i2c) = { diff --git a/drivers/i2c/mv_i2c.c b/drivers/i2c/mv_i2c.c index e65cce0d8e..fc02e65504 100644 --- a/drivers/i2c/mv_i2c.c +++ b/drivers/i2c/mv_i2c.c @@ -73,7 +73,7 @@ static void i2c_board_init(struct mv_i2c *base) } #ifdef CONFIG_I2C_MULTI_BUS -static u32 i2c_regs[CONFIG_MV_I2C_NUM] = CONFIG_MV_I2C_REG; +static unsigned long i2c_regs[CONFIG_MV_I2C_NUM] = CONFIG_MV_I2C_REG; static unsigned int bus_initialized[CONFIG_MV_I2C_NUM]; static unsigned int current_bus; diff --git a/drivers/i2c/mvtwsi.c b/drivers/i2c/mvtwsi.c index 9b2ca1e81b..6f6edd5e51 100644 --- a/drivers/i2c/mvtwsi.c +++ b/drivers/i2c/mvtwsi.c @@ -228,13 +228,14 @@ static int twsi_stop(int status) return status; } -/* - * Ugly formula to convert m and n values to a frequency comes from - * TWSI specifications - */ - -#define TWSI_FREQUENCY(m, n) \ - (CONFIG_SYS_TCLK / (10 * (m + 1) * (1 << n))) +static unsigned int twsi_calc_freq(const int n, const int m) +{ +#ifdef CONFIG_SUNXI + return CONFIG_SYS_TCLK / (10 * (m + 1) * (1 << n)); +#else + return CONFIG_SYS_TCLK / (10 * (m + 1) * (2 << n)); +#endif +} /* * Reset controller. @@ -266,7 +267,7 @@ static unsigned int twsi_i2c_set_bus_speed(struct i2c_adapter *adap, /* compute m, n setting for highest speed not above requested speed */ for (n = 0; n < 8; n++) { for (m = 0; m < 16; m++) { - tmp_speed = TWSI_FREQUENCY(m, n); + tmp_speed = twsi_calc_freq(n, m); if ((tmp_speed <= requested_speed) && (tmp_speed > highest_speed)) { highest_speed = tmp_speed; |
