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ARM: EXYNOS: Modified files for SPI consolidation work 

As SPI platform devices are consolidated to plat-samsung, some
corresponding changes are required in the respective machine folder.
Setup files are added for SPI GPIO configurations and platform data
initialization.

Signed-off-by: Padmavathi Venna <padma.v@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
This commit is contained in:
Padmavathi Venna 2011-12-26 16:42:15 +09:00 committed by Kukjin Kim
parent 6640790ce2
commit 74ac23a3e4
7 changed files with 147 additions and 30 deletions
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5
arch/arm/mach-exynos/Kconfig
View File

@ -148,6 +148,11 @@ config EXYNOS4_SETUP_USB_PHY
help
Common setup code for USB PHY controller
config EXYNOS4_SETUP_SPI
bool
help
Common setup code for SPI GPIO configurations.
# machine support
if ARCH_EXYNOS4

1
arch/arm/mach-exynos/Makefile
View File

@ -60,3 +60,4 @@ obj-$(CONFIG_EXYNOS4_SETUP_I2C7) += setup-i2c7.o
obj-$(CONFIG_EXYNOS4_SETUP_KEYPAD) += setup-keypad.o
obj-$(CONFIG_EXYNOS4_SETUP_SDHCI_GPIO) += setup-sdhci-gpio.o
obj-$(CONFIG_EXYNOS4_SETUP_USB_PHY) += setup-usb-phy.o
obj-$(CONFIG_EXYNOS4_SETUP_SPI) += setup-spi.o

73
arch/arm/mach-exynos/clock.c
View File

@ -1109,36 +1109,6 @@ static struct clksrc_clk clksrcs[] = {
.sources = &clkset_group,
.reg_src = { .reg = S5P_CLKSRC_LCD0, .shift = 0, .size = 4 },
.reg_div = { .reg = S5P_CLKDIV_LCD0, .shift = 0, .size = 4 },
}, {
.clk = {
.name = "sclk_spi",
.devname = "s3c64xx-spi.0",
.enable = exynos4_clksrc_mask_peril1_ctrl,
.ctrlbit = (1 << 16),
},
.sources = &clkset_group,
.reg_src = { .reg = S5P_CLKSRC_PERIL1, .shift = 16, .size = 4 },
.reg_div = { .reg = S5P_CLKDIV_PERIL1, .shift = 0, .size = 4 },
}, {
.clk = {
.name = "sclk_spi",
.devname = "s3c64xx-spi.1",
.enable = exynos4_clksrc_mask_peril1_ctrl,
.ctrlbit = (1 << 20),
},
.sources = &clkset_group,
.reg_src = { .reg = S5P_CLKSRC_PERIL1, .shift = 20, .size = 4 },
.reg_div = { .reg = S5P_CLKDIV_PERIL1, .shift = 16, .size = 4 },
}, {
.clk = {
.name = "sclk_spi",
.devname = "s3c64xx-spi.2",
.enable = exynos4_clksrc_mask_peril1_ctrl,
.ctrlbit = (1 << 24),
},
.sources = &clkset_group,
.reg_src = { .reg = S5P_CLKSRC_PERIL1, .shift = 24, .size = 4 },
.reg_div = { .reg = S5P_CLKDIV_PERIL2, .shift = 0, .size = 4 },
}, {
.clk = {
.name = "sclk_fimg2d",
@ -1257,6 +1227,42 @@ static struct clksrc_clk clk_sclk_mmc3 = {
.reg_div = { .reg = S5P_CLKDIV_FSYS2, .shift = 24, .size = 8 },
};
static struct clksrc_clk clk_sclk_spi0 = {
.clk = {
.name = "sclk_spi",
.devname = "s3c64xx-spi.0",
.enable = exynos4_clksrc_mask_peril1_ctrl,
.ctrlbit = (1 << 16),
},
.sources = &clkset_group,
.reg_src = { .reg = S5P_CLKSRC_PERIL1, .shift = 16, .size = 4 },
.reg_div = { .reg = S5P_CLKDIV_PERIL1, .shift = 0, .size = 4 },
};
static struct clksrc_clk clk_sclk_spi1 = {
.clk = {
.name = "sclk_spi",
.devname = "s3c64xx-spi.1",
.enable = exynos4_clksrc_mask_peril1_ctrl,
.ctrlbit = (1 << 20),
},
.sources = &clkset_group,
.reg_src = { .reg = S5P_CLKSRC_PERIL1, .shift = 20, .size = 4 },
.reg_div = { .reg = S5P_CLKDIV_PERIL1, .shift = 16, .size = 4 },
};
static struct clksrc_clk clk_sclk_spi2 = {
.clk = {
.name = "sclk_spi",
.devname = "s3c64xx-spi.2",
.enable = exynos4_clksrc_mask_peril1_ctrl,
.ctrlbit = (1 << 24),
},
.sources = &clkset_group,
.reg_src = { .reg = S5P_CLKSRC_PERIL1, .shift = 24, .size = 4 },
.reg_div = { .reg = S5P_CLKDIV_PERIL2, .shift = 0, .size = 4 },
};
/* Clock initialization code */
static struct clksrc_clk *sysclks[] = {
&clk_mout_apll,
@ -1305,6 +1311,10 @@ static struct clksrc_clk *clksrc_cdev[] = {
&clk_sclk_mmc1,
&clk_sclk_mmc2,
&clk_sclk_mmc3,
&clk_sclk_spi0,
&clk_sclk_spi1,
&clk_sclk_spi2,
};
static struct clk_lookup exynos4_clk_lookup[] = {
@ -1318,6 +1328,9 @@ static struct clk_lookup exynos4_clk_lookup[] = {
CLKDEV_INIT("s3c-sdhci.3", "mmc_busclk.2", &clk_sclk_mmc3.clk),
CLKDEV_INIT("dma-pl330.0", "apb_pclk", &clk_pdma0),
CLKDEV_INIT("dma-pl330.1", "apb_pclk", &clk_pdma1),
CLKDEV_INIT("s3c64xx-spi.0", "spi_busclk0", &clk_sclk_spi0.clk),
CLKDEV_INIT("s3c64xx-spi.1", "spi_busclk0", &clk_sclk_spi1.clk),
CLKDEV_INIT("s3c64xx-spi.2", "spi_busclk0", &clk_sclk_spi2.clk),
};
static int xtal_rate;

3
arch/arm/mach-exynos/include/mach/irqs.h
View File

@ -72,6 +72,9 @@
#define IRQ_IIC5 IRQ_SPI(63)
#define IRQ_IIC6 IRQ_SPI(64)
#define IRQ_IIC7 IRQ_SPI(65)
#define IRQ_SPI0 IRQ_SPI(66)
#define IRQ_SPI1 IRQ_SPI(67)
#define IRQ_SPI2 IRQ_SPI(68)
#define IRQ_USB_HOST IRQ_SPI(70)
#define IRQ_USB_HSOTG IRQ_SPI(71)

7
arch/arm/mach-exynos/include/mach/map.h
View File

@ -87,6 +87,10 @@
#define EXYNOS4_PA_SYSMMU_TV 0x12E20000
#define EXYNOS4_PA_SYSMMU_MFC_L 0x13620000
#define EXYNOS4_PA_SYSMMU_MFC_R 0x13630000
#define EXYNOS4_PA_SPI0 0x13920000
#define EXYNOS4_PA_SPI1 0x13930000
#define EXYNOS4_PA_SPI2 0x13940000
#define EXYNOS4_PA_GPIO1 0x11400000
#define EXYNOS4_PA_GPIO2 0x11000000
@ -148,6 +152,9 @@
#define S3C_PA_RTC EXYNOS4_PA_RTC
#define S3C_PA_WDT EXYNOS4_PA_WATCHDOG
#define S3C_PA_UART EXYNOS4_PA_UART
#define S3C_PA_SPI0 EXYNOS4_PA_SPI0
#define S3C_PA_SPI1 EXYNOS4_PA_SPI1
#define S3C_PA_SPI2 EXYNOS4_PA_SPI2
#define S5P_PA_CHIPID EXYNOS4_PA_CHIPID
#define S5P_PA_EHCI EXYNOS4_PA_EHCI

16
arch/arm/mach-exynos/include/mach/spi-clocks.h Normal file
View File

@ -0,0 +1,16 @@
/* linux/arch/arm/mach-exynos4/include/mach/spi-clocks.h
*
* Copyright (C) 2011 Samsung Electronics Co. Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __ASM_ARCH_SPI_CLKS_H
#define __ASM_ARCH_SPI_CLKS_H __FILE__
/* Must source from SCLK_SPI */
#define EXYNOS4_SPI_SRCCLK_SCLK 0
#endif /* __ASM_ARCH_SPI_CLKS_H */

72
arch/arm/mach-exynos/setup-spi.c Normal file
View File

@ -0,0 +1,72 @@
/* linux/arch/arm/mach-exynos4/setup-spi.c
*
* Copyright (C) 2011 Samsung Electronics Ltd.
* http://www.samsung.com/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/gpio.h>
#include <linux/platform_device.h>
#include <plat/gpio-cfg.h>
#include <plat/s3c64xx-spi.h>
#ifdef CONFIG_S3C64XX_DEV_SPI0
struct s3c64xx_spi_info s3c64xx_spi0_pdata __initdata = {
.fifo_lvl_mask = 0x1ff,
.rx_lvl_offset = 15,
.high_speed = 1,
.clk_from_cmu = true,
.tx_st_done = 25,
};
int s3c64xx_spi0_cfg_gpio(struct platform_device *dev)
{
s3c_gpio_cfgpin(EXYNOS4_GPB(0), S3C_GPIO_SFN(2));
s3c_gpio_setpull(EXYNOS4_GPB(0), S3C_GPIO_PULL_UP);
s3c_gpio_cfgall_range(EXYNOS4_GPB(2), 2,
S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
return 0;
}
#endif
#ifdef CONFIG_S3C64XX_DEV_SPI1
struct s3c64xx_spi_info s3c64xx_spi1_pdata __initdata = {
.fifo_lvl_mask = 0x7f,
.rx_lvl_offset = 15,
.high_speed = 1,
.clk_from_cmu = true,
.tx_st_done = 25,
};
int s3c64xx_spi1_cfg_gpio(struct platform_device *dev)
{
s3c_gpio_cfgpin(EXYNOS4_GPB(4), S3C_GPIO_SFN(2));
s3c_gpio_setpull(EXYNOS4_GPB(4), S3C_GPIO_PULL_UP);
s3c_gpio_cfgall_range(EXYNOS4_GPB(6), 2,
S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
return 0;
}
#endif
#ifdef CONFIG_S3C64XX_DEV_SPI2
struct s3c64xx_spi_info s3c64xx_spi2_pdata __initdata = {
.fifo_lvl_mask = 0x7f,
.rx_lvl_offset = 15,
.high_speed = 1,
.clk_from_cmu = true,
.tx_st_done = 25,
};
int s3c64xx_spi2_cfg_gpio(struct platform_device *dev)
{
s3c_gpio_cfgpin(EXYNOS4_GPC1(1), S3C_GPIO_SFN(5));
s3c_gpio_setpull(EXYNOS4_GPC1(1), S3C_GPIO_PULL_UP);
s3c_gpio_cfgall_range(EXYNOS4_GPC1(3), 2,
S3C_GPIO_SFN(5), S3C_GPIO_PULL_UP);
return 0;
}
#endif