diff options
Diffstat (limited to 'drivers/i2c/busses/i2c-mpc.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-mpc.c | 99 |
1 files changed, 46 insertions, 53 deletions
diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c index f627001108b..2f74d9b6c0b 100644 --- a/drivers/i2c/busses/i2c-mpc.c +++ b/drivers/i2c/busses/i2c-mpc.c @@ -66,7 +66,7 @@ struct mpc_i2c_divider { u16 fdr; /* including dfsrr */ }; -struct mpc_i2c_match_data { +struct mpc_i2c_data { void (*setclock)(struct device_node *node, struct mpc_i2c *i2c, u32 clock, u32 prescaler); @@ -165,7 +165,7 @@ static int i2c_wait(struct mpc_i2c *i2c, unsigned timeout, int writing) } #ifdef CONFIG_PPC_MPC52xx -static const struct mpc_i2c_divider mpc_i2c_dividers_52xx[] = { +static const struct mpc_i2c_divider mpc_i2c_dividers_52xx[] __devinitconst = { {20, 0x20}, {22, 0x21}, {24, 0x22}, {26, 0x23}, {28, 0x24}, {30, 0x01}, {32, 0x25}, {34, 0x02}, {36, 0x26}, {40, 0x27}, {44, 0x04}, {48, 0x28}, @@ -186,7 +186,8 @@ static const struct mpc_i2c_divider mpc_i2c_dividers_52xx[] = { {10240, 0x9d}, {12288, 0x9e}, {15360, 0x9f} }; -int mpc_i2c_get_fdr_52xx(struct device_node *node, u32 clock, int prescaler) +static int __devinit mpc_i2c_get_fdr_52xx(struct device_node *node, u32 clock, + int prescaler) { const struct mpc_i2c_divider *div = NULL; unsigned int pvr = mfspr(SPRN_PVR); @@ -215,9 +216,9 @@ int mpc_i2c_get_fdr_52xx(struct device_node *node, u32 clock, int prescaler) return div ? (int)div->fdr : -EINVAL; } -static void mpc_i2c_setclock_52xx(struct device_node *node, - struct mpc_i2c *i2c, - u32 clock, u32 prescaler) +static void __devinit mpc_i2c_setclock_52xx(struct device_node *node, + struct mpc_i2c *i2c, + u32 clock, u32 prescaler) { int ret, fdr; @@ -230,15 +231,15 @@ static void mpc_i2c_setclock_52xx(struct device_node *node, dev_info(i2c->dev, "clock %d Hz (fdr=%d)\n", clock, fdr); } #else /* !CONFIG_PPC_MPC52xx */ -static void mpc_i2c_setclock_52xx(struct device_node *node, - struct mpc_i2c *i2c, - u32 clock, u32 prescaler) +static void __devinit mpc_i2c_setclock_52xx(struct device_node *node, + struct mpc_i2c *i2c, + u32 clock, u32 prescaler) { } #endif /* CONFIG_PPC_MPC52xx*/ #ifdef CONFIG_FSL_SOC -static const struct mpc_i2c_divider mpc_i2c_dividers_8xxx[] = { +static const struct mpc_i2c_divider mpc_i2c_dividers_8xxx[] __devinitconst = { {160, 0x0120}, {192, 0x0121}, {224, 0x0122}, {256, 0x0123}, {288, 0x0100}, {320, 0x0101}, {352, 0x0601}, {384, 0x0102}, {416, 0x0602}, {448, 0x0126}, {480, 0x0103}, {512, 0x0127}, @@ -258,7 +259,7 @@ static const struct mpc_i2c_divider mpc_i2c_dividers_8xxx[] = { {49152, 0x011e}, {61440, 0x011f} }; -u32 mpc_i2c_get_sec_cfg_8xxx(void) +static u32 __devinit mpc_i2c_get_sec_cfg_8xxx(void) { struct device_node *node = NULL; u32 __iomem *reg; @@ -287,7 +288,8 @@ u32 mpc_i2c_get_sec_cfg_8xxx(void) return val; } -int mpc_i2c_get_fdr_8xxx(struct device_node *node, u32 clock, u32 prescaler) +static int __devinit mpc_i2c_get_fdr_8xxx(struct device_node *node, u32 clock, + u32 prescaler) { const struct mpc_i2c_divider *div = NULL; u32 divider; @@ -320,9 +322,9 @@ int mpc_i2c_get_fdr_8xxx(struct device_node *node, u32 clock, u32 prescaler) return div ? (int)div->fdr : -EINVAL; } -static void mpc_i2c_setclock_8xxx(struct device_node *node, - struct mpc_i2c *i2c, - u32 clock, u32 prescaler) +static void __devinit mpc_i2c_setclock_8xxx(struct device_node *node, + struct mpc_i2c *i2c, + u32 clock, u32 prescaler) { int ret, fdr; @@ -338,9 +340,9 @@ static void mpc_i2c_setclock_8xxx(struct device_node *node, } #else /* !CONFIG_FSL_SOC */ -static void mpc_i2c_setclock_8xxx(struct device_node *node, - struct mpc_i2c *i2c, - u32 clock, u32 prescaler) +static void __devinit mpc_i2c_setclock_8xxx(struct device_node *node, + struct mpc_i2c *i2c, + u32 clock, u32 prescaler) { } #endif /* CONFIG_FSL_SOC */ @@ -529,8 +531,8 @@ static int __devinit fsl_i2c_probe(struct of_device *op, clock = *prop; if (match->data) { - struct mpc_i2c_match_data *data = - (struct mpc_i2c_match_data *)match->data; + struct mpc_i2c_data *data = + (struct mpc_i2c_data *)match->data; data->setclock(op->node, i2c, clock, data->prescaler); } else { /* Backwards compatibility */ @@ -582,44 +584,35 @@ static int __devexit fsl_i2c_remove(struct of_device *op) return 0; }; +static struct mpc_i2c_data mpc_i2c_data_52xx __devinitdata = { + .setclock = mpc_i2c_setclock_52xx, +}; + +static struct mpc_i2c_data mpc_i2c_data_8313 __devinitdata = { + .setclock = mpc_i2c_setclock_8xxx, +}; + +static struct mpc_i2c_data mpc_i2c_data_8543 __devinitdata = { + .setclock = mpc_i2c_setclock_8xxx, + .prescaler = 2, +}; + +static struct mpc_i2c_data mpc_i2c_data_8544 __devinitdata = { + .setclock = mpc_i2c_setclock_8xxx, + .prescaler = 3, +}; + static const struct of_device_id mpc_i2c_of_match[] = { - {.compatible = "mpc5200-i2c", - .data = &(struct mpc_i2c_match_data) { - .setclock = mpc_i2c_setclock_52xx, - }, - }, - {.compatible = "fsl,mpc5200b-i2c", - .data = &(struct mpc_i2c_match_data) { - .setclock = mpc_i2c_setclock_52xx, - }, - }, - {.compatible = "fsl,mpc5200-i2c", - .data = &(struct mpc_i2c_match_data) { - .setclock = mpc_i2c_setclock_52xx, - }, - }, - {.compatible = "fsl,mpc8313-i2c", - .data = &(struct mpc_i2c_match_data) { - .setclock = mpc_i2c_setclock_8xxx, - }, - }, - {.compatible = "fsl,mpc8543-i2c", - .data = &(struct mpc_i2c_match_data) { - .setclock = mpc_i2c_setclock_8xxx, - .prescaler = 2, - }, - }, - {.compatible = "fsl,mpc8544-i2c", - .data = &(struct mpc_i2c_match_data) { - .setclock = mpc_i2c_setclock_8xxx, - .prescaler = 3, - }, + {.compatible = "mpc5200-i2c", .data = &mpc_i2c_data_52xx, }, + {.compatible = "fsl,mpc5200b-i2c", .data = &mpc_i2c_data_52xx, }, + {.compatible = "fsl,mpc5200-i2c", .data = &mpc_i2c_data_52xx, }, + {.compatible = "fsl,mpc8313-i2c", .data = &mpc_i2c_data_8313, }, + {.compatible = "fsl,mpc8543-i2c", .data = &mpc_i2c_data_8543, }, + {.compatible = "fsl,mpc8544-i2c", .data = &mpc_i2c_data_8544, }, /* Backward compatibility */ - }, {.compatible = "fsl-i2c", }, {}, }; - MODULE_DEVICE_TABLE(of, mpc_i2c_of_match); |