redonkable/alistair23-linux
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i2c-omap: Add support for omap34xx

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Add support for omap34xx

Signed-off-by: chandra shekhar <x0044955@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Chandra shekhar 2008-11-21 13:39:46 -08:00 committed by Tony Lindgren
parent b6ee52c399
commit 3d522fb41e
1 changed files with 11 additions and 9 deletions
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20
drivers/i2c/busses/i2c-omap.c
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@ -156,7 +156,7 @@ static inline u16 omap_i2c_read_reg(struct omap_i2c_dev *i2c_dev, int reg)
static int omap_i2c_get_clocks(struct omap_i2c_dev *dev)
{
if (cpu_is_omap16xx() || cpu_is_omap24xx()) {
if (cpu_is_omap16xx() || cpu_class_is_omap2()) {
dev->iclk = clk_get(dev->dev, "i2c_ick");
if (IS_ERR(dev->iclk)) {
dev->iclk = NULL;
@ -266,7 +266,7 @@ static int omap_i2c_init(struct omap_i2c_dev *dev)
psc = fclk_rate / 12000000;
}
if (cpu_is_omap2430()) {
if (cpu_is_omap2430() || cpu_is_omap34xx()) {
/* HSI2C controller internal clk rate should be 19.2 Mhz */
internal_clk = 19200;
@ -608,7 +608,8 @@ omap_i2c_isr(int this_irq, void *dev_id)
*dev->buf++ = w;
dev->buf_len--;
/* Data reg from 2430 is 8 bit wide */
if (!cpu_is_omap2430()) {
if (!cpu_is_omap2430() &&
!cpu_is_omap34xx()) {
if (dev->buf_len) {
*dev->buf++ = w >> 8;
dev->buf_len--;
@ -646,7 +647,8 @@ omap_i2c_isr(int this_irq, void *dev_id)
w = *dev->buf++;
dev->buf_len--;
/* Data reg from 2430 is 8 bit wide */
if (!cpu_is_omap2430()) {
if (!cpu_is_omap2430() &&
!cpu_is_omap34xx()) {
if (dev->buf_len) {
w |= *dev->buf++ << 8;
dev->buf_len--;
@ -694,7 +696,7 @@ omap_i2c_probe(struct platform_device *pdev)
struct i2c_adapter *adap;
struct resource *mem, *irq, *ioarea;
int r;
u32 *speed = NULL;
u32 speed = 0;
/* NOTE: driver uses the static register mapping */
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@ -722,11 +724,11 @@ omap_i2c_probe(struct platform_device *pdev)
}
if (pdev->dev.platform_data != NULL)
speed = (u32 *) pdev->dev.platform_data;
speed = *(u32 *)pdev->dev.platform_data;
else
*speed = 100; /* Defualt speed */
speed = 100; /* Defualt speed */
dev->speed = *speed;
dev->speed = speed;
dev->dev = &pdev->dev;
dev->irq = irq->start;
dev->base = ioremap(mem->start, mem->end - mem->start + 1);
@ -745,7 +747,7 @@ omap_i2c_probe(struct platform_device *pdev)
if (cpu_is_omap15xx())
dev->rev1 = omap_i2c_read_reg(dev, OMAP_I2C_REV_REG) < 0x20;
if (cpu_is_omap2430()) {
if (cpu_is_omap2430() || cpu_is_omap34xx()) {
u16 s;
/* Set up the fifo size - Get total size */