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omap1: Add 7xx clocks and pin muxes for SPI

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Commit 35c9049b27 added
drivers/spi/omap_spi_100k.c.

This patch add the related clocks and pin muxing
entries to make the driver work on omap7xx platforms.

Signed-off-by: Cory Maccarrone <darkstar6262@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Cory Maccarrone 2010-01-08 10:29:05 -08:00 committed by Tony Lindgren
parent 4cc6420c12
commit c5c4dce45d
5 changed files with 58 additions and 0 deletions
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4
arch/arm/mach-omap1/clock_data.c
View File

@ -658,6 +658,10 @@ static struct omap_clk omap_clks[] = {
CLK("i2c_omap.1", "fck", &i2c_fck, CK_16XX | CK_1510 | CK_310 | CK_7XX),
CLK("i2c_omap.1", "ick", &i2c_ick, CK_16XX),
CLK("i2c_omap.1", "ick", &dummy_ck, CK_1510 | CK_310 | CK_7XX),
CLK("omap1_spi100k.1", "fck", &dummy_ck, CK_7XX),
CLK("omap1_spi100k.1", "ick", &dummy_ck, CK_7XX),
CLK("omap1_spi100k.2", "fck", &dummy_ck, CK_7XX),
CLK("omap1_spi100k.2", "ick", &dummy_ck, CK_7XX),
CLK("omap_uwire", "fck", &armxor_ck.clk, CK_16XX | CK_1510 | CK_310),
CLK("omap-mcbsp.1", "ick", &dspper_ck, CK_16XX),
CLK("omap-mcbsp.1", "ick", &dummy_ck, CK_1510 | CK_310),

35
arch/arm/mach-omap1/devices.c
View File

@ -14,6 +14,7 @@
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/spi/spi.h>
#include <mach/hardware.h>
#include <asm/mach/map.h>
@ -23,6 +24,7 @@
#include <plat/mux.h>
#include <mach/gpio.h>
#include <plat/mmc.h>
#include <plat/omap7xx.h>
/*-------------------------------------------------------------------------*/
@ -196,6 +198,38 @@ void __init omap1_init_mmc(struct omap_mmc_platform_data **mmc_data,
/*-------------------------------------------------------------------------*/
/* OMAP7xx SPI support */
#if defined(CONFIG_SPI_OMAP_100K) || defined(CONFIG_SPI_OMAP_100K_MODULE)
struct platform_device omap_spi1 = {
.name = "omap1_spi100k",
.id = 1,
};
struct platform_device omap_spi2 = {
.name = "omap1_spi100k",
.id = 2,
};
static void omap_init_spi100k(void)
{
omap_spi1.dev.platform_data = ioremap(OMAP7XX_SPI1_BASE, 0x7ff);
if (omap_spi1.dev.platform_data)
platform_device_register(&omap_spi1);
omap_spi2.dev.platform_data = ioremap(OMAP7XX_SPI2_BASE, 0x7ff);
if (omap_spi2.dev.platform_data)
platform_device_register(&omap_spi2);
}
#else
static inline void omap_init_spi100k(void)
{
}
#endif
/*-------------------------------------------------------------------------*/
#if defined(CONFIG_OMAP_STI)
#define OMAP1_STI_BASE 0xfffea000
@ -263,6 +297,7 @@ static int __init omap1_init_devices(void)
omap_init_mbox();
omap_init_rtc();
omap_init_spi100k();
omap_init_sti();
return 0;

8
arch/arm/mach-omap1/mux.c
View File

@ -62,6 +62,14 @@ MUX_CFG_7XX("MMC_7XX_DAT0", 2, 17, 0, 16, 1, 0)
/* I2C interface */
MUX_CFG_7XX("I2C_7XX_SCL", 5, 1, 0, 0, 1, 0)
MUX_CFG_7XX("I2C_7XX_SDA", 5, 5, 0, 0, 1, 0)
/* SPI pins */
MUX_CFG_7XX("SPI_7XX_1", 6, 5, 4, 4, 1, 0)
MUX_CFG_7XX("SPI_7XX_2", 6, 9, 4, 8, 1, 0)
MUX_CFG_7XX("SPI_7XX_3", 6, 13, 4, 12, 1, 0)
MUX_CFG_7XX("SPI_7XX_4", 6, 17, 4, 16, 1, 0)
MUX_CFG_7XX("SPI_7XX_5", 8, 25, 0, 24, 0, 0)
MUX_CFG_7XX("SPI_7XX_6", 9, 5, 0, 4, 0, 0)
};
#define OMAP7XX_PINS_SZ ARRAY_SIZE(omap7xx_pins)
#else

8
arch/arm/plat-omap/include/plat/mux.h
View File

@ -183,6 +183,14 @@ enum omap7xx_index {
/* I2C */
I2C_7XX_SCL,
I2C_7XX_SDA,
/* SPI */
SPI_7XX_1,
SPI_7XX_2,
SPI_7XX_3,
SPI_7XX_4,
SPI_7XX_5,
SPI_7XX_6,
};
enum omap1xxx_index {

3
arch/arm/plat-omap/include/plat/omap7xx.h
View File

@ -46,6 +46,9 @@
#define OMAP7XX_DSPREG_SIZE SZ_128K
#define OMAP7XX_DSPREG_START 0xE1000000
#define OMAP7XX_SPI1_BASE 0xfffc0800
#define OMAP7XX_SPI2_BASE 0xfffc1000
/*
* ----------------------------------------------------------------------------
* OMAP7XX specific configuration registers