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MFD: mcp/ucb1x00: separate ucb1x00 driver data from the MCP data

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Patch taken from 5dd7bf59e0 (ARM: sa11x0: Implement autoloading of codec
and codec pdata for mcp bus.) by Jochen Friedrich <jochen@scram.de>.

This adds just the codec data part of the patch.

Acked-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2012-01-20 22:13:52 +00:00
parent a6aecae29a
commit abe06082d0
8 changed files with 24 additions and 11 deletions
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7
arch/arm/mach-sa1100/collie.c
View file

@ -22,6 +22,7 @@
#include <linux/tty.h>
#include <linux/delay.h>
#include <linux/platform_device.h>
#include <linux/mfd/ucb1x00.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/timer.h>
@ -85,10 +86,14 @@ static struct scoop_pcmcia_config collie_pcmcia_config = {
.num_devs = 1,
};
static struct ucb1x00_plat_data collie_ucb1x00_data = {
.gpio_base = COLLIE_TC35143_GPIO_BASE,
};
static struct mcp_plat_data collie_mcp_data = {
.mccr0 = MCCR0_ADM | MCCR0_ExtClk,
.sclk_rate = 9216000,
.gpio_base = COLLIE_TC35143_GPIO_BASE,
.codec_pdata = &collie_ucb1x00_data,
};
/*

2
arch/arm/mach-sa1100/include/mach/mcp.h
View file

@ -16,7 +16,7 @@ struct mcp_plat_data {
u32 mccr0;
u32 mccr1;
unsigned int sclk_rate;
int gpio_base;
void *codec_pdata;
};
#endif

7
arch/arm/mach-sa1100/simpad.c
View file

@ -10,6 +10,7 @@
#include <linux/string.h>
#include <linux/pm.h>
#include <linux/platform_device.h>
#include <linux/mfd/ucb1x00.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/io.h>
@ -187,10 +188,14 @@ static struct resource simpad_flash_resources [] = {
}
};
static struct ucb1x00_plat_data simpad_ucb1x00_data = {
.gpio_base = SIMPAD_UCB1X00_GPIO_BASE,
};
static struct mcp_plat_data simpad_mcp_data = {
.mccr0 = MCCR0_ADM,
.sclk_rate = 11981000,
.gpio_base = SIMPAD_UCB1X00_GPIO_BASE,
.codec_pdata = &simpad_ucb1x00_data,
};

3
drivers/mfd/mcp-core.c
View file

@ -217,8 +217,9 @@ struct mcp *mcp_host_alloc(struct device *parent, size_t size)
}
EXPORT_SYMBOL(mcp_host_alloc);
int mcp_host_add(struct mcp *mcp)
int mcp_host_add(struct mcp *mcp, void *pdata)
{
mcp->attached_device.platform_data = pdata;
dev_set_name(&mcp->attached_device, "mcp0");
return device_add(&mcp->attached_device);
}

3
drivers/mfd/mcp-sa11x0.c
View file

@ -194,7 +194,6 @@ static int mcp_sa11x0_probe(struct platform_device *dev)
mcp->owner = THIS_MODULE;
mcp->ops = &mcp_sa11x0;
mcp->sclk_rate = data->sclk_rate;
mcp->gpio_base = data->gpio_base;
m = priv(mcp);
m->mccr0 = data->mccr0 | 0x7f7f;
@ -229,7 +228,7 @@ static int mcp_sa11x0_probe(struct platform_device *dev)
mcp->rw_timeout = (64 * 3 * 1000000 + mcp->sclk_rate - 1) /
mcp->sclk_rate;
ret = mcp_host_add(mcp);
ret = mcp_host_add(mcp, data->codec_pdata);
if (ret == 0)
return 0;

7
drivers/mfd/ucb1x00-core.c
View file

@ -534,6 +534,7 @@ static int ucb1x00_probe(struct mcp *mcp)
{
struct ucb1x00 *ucb;
struct ucb1x00_driver *drv;
struct ucb1x00_plat_data *pdata;
unsigned int id;
int ret = -ENODEV;
int temp;
@ -551,7 +552,7 @@ static int ucb1x00_probe(struct mcp *mcp)
if (!ucb)
goto err_disable;
pdata = mcp->attached_device.platform_data;
ucb->dev.class = &ucb1x00_class;
ucb->dev.parent = &mcp->attached_device;
dev_set_name(&ucb->dev, "ucb1x00");
@ -570,9 +571,9 @@ static int ucb1x00_probe(struct mcp *mcp)
}
ucb->gpio.base = -1;
if (mcp->gpio_base != 0) {
if (pdata && pdata->gpio_base) {
ucb->gpio.label = dev_name(&ucb->dev);
ucb->gpio.base = mcp->gpio_base;
ucb->gpio.base = pdata->gpio_base;
ucb->gpio.ngpio = 10;
ucb->gpio.set = ucb1x00_gpio_set;
ucb->gpio.get = ucb1x00_gpio_get;

3
include/linux/mfd/mcp.h
View file

@ -20,7 +20,6 @@ struct mcp {
unsigned int sclk_rate;
unsigned int rw_timeout;
struct device attached_device;
int gpio_base;
};
struct mcp_ops {
@ -41,7 +40,7 @@ void mcp_disable(struct mcp *);
#define mcp_get_sclk_rate(mcp) ((mcp)->sclk_rate)
struct mcp *mcp_host_alloc(struct device *, size_t);
int mcp_host_add(struct mcp *);
int mcp_host_add(struct mcp *, void *);
void mcp_host_del(struct mcp *);
void mcp_host_free(struct mcp *);

3
include/linux/mfd/ucb1x00.h
View file

@ -104,6 +104,9 @@
#define UCB_MODE_DYN_VFLAG_ENA (1 << 12)
#define UCB_MODE_AUD_OFF_CAN (1 << 13)
struct ucb1x00_plat_data {
int gpio_base;
};
struct ucb1x00_irq {
void *devid;