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[MFD] Add SA11x0 MCP platform device support

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Add platform device data for the SA11x0 MCP device.  This allows
platforms to customise the configuration of the SA11x0 MCP device
according to their needs.

Signed-off-by: Russell King <[email protected]>
This commit is contained in:
Russell King 2005-08-18 10:10:46 +01:00 • committed by Russell King
commit 323cdfc191
9 changed files with 79 additions and 10 deletions
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20
drivers/mfd/mcp-sa11x0.c
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@ -24,6 +24,7 @@
#include <asm/hardware.h>
#include <asm/mach-types.h>
#include <asm/system.h>
#include <asm/arch/mcp.h>
#include <asm/arch/assabet.h>
@ -140,16 +141,11 @@ static struct mcp_ops mcp_sa11x0 = {
static int mcp_sa11x0_probe(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct mcp_plat_data *data = pdev->dev.platform_data;
struct mcp *mcp;
int ret;
if (!machine_is_adsbitsy() && !machine_is_assabet() &&
!machine_is_cerf() && !machine_is_flexanet() &&
!machine_is_freebird() && !machine_is_graphicsclient() &&
!machine_is_graphicsmaster() && !machine_is_lart() &&
!machine_is_omnimeter() && !machine_is_pfs168() &&
!machine_is_shannon() && !machine_is_simpad() &&
!machine_is_yopy())
if (!data)
return -ENODEV;
if (!request_mem_region(0x80060000, 0x60, "sa11x0-mcp"))
@ -163,7 +159,7 @@ static int mcp_sa11x0_probe(struct device *dev)
mcp->owner = THIS_MODULE;
mcp->ops = &mcp_sa11x0;
mcp->sclk_rate = 11981000,
mcp->sclk_rate = data->sclk_rate;
mcp->dma_audio_rd = DMA_Ser4MCP0Rd;
mcp->dma_audio_wr = DMA_Ser4MCP0Wr;
mcp->dma_telco_rd = DMA_Ser4MCP1Rd;
@ -184,9 +180,13 @@ static int mcp_sa11x0_probe(struct device *dev)
PSDR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM);
PPSR &= ~(PPC_TXD4 | PPC_SCLK | PPC_SFRM);
/*
* Initialise device. Note that we initially
* set the sampling rate to minimum.
*/
Ser4MCSR = -1;
Ser4MCCR1 = 0;
Ser4MCCR0 = 0x00007f7f | MCCR0_ADM;
Ser4MCCR1 = data->mccr1;
Ser4MCCR0 = data->mccr0 | 0x7f7f;
/*
* Calculate the read/write timeout (us) from the bit clock