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ARM: SAMSUNG: Consolidation of SPI platform devices to plat-samsung

Browse source 
SPI platform device definitions consolidated from respective machine
folder to plat-samsung

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 2011-12-23 10:14:31 +09:00 committed by Kukjin Kim
parent a153e31abb
commit 875a59374c
12 changed files with 141 additions and 800 deletions
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1
arch/arm/mach-s3c64xx/Makefile
View file

@ -59,4 +59,3 @@ obj-$(CONFIG_MACH_WLF_CRAGG_6410) += mach-crag6410.o mach-crag6410-module.o
obj-y += dev-uart.o
obj-y += dev-audio.o
obj-$(CONFIG_S3C64XX_DEV_SPI) += dev-spi.o

173
arch/arm/mach-s3c64xx/dev-spi.c
View file

@ -1,173 +0,0 @@
/* linux/arch/arm/plat-s3c64xx/dev-spi.c
*
* Copyright (C) 2009 Samsung Electronics Ltd.
* Jaswinder Singh <jassi.brar@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/kernel.h>
#include <linux/string.h>
#include <linux/export.h>
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
#include <linux/gpio.h>
#include <mach/dma.h>
#include <mach/map.h>
#include <mach/spi-clocks.h>
#include <mach/irqs.h>
#include <plat/s3c64xx-spi.h>
#include <plat/gpio-cfg.h>
#include <plat/devs.h>
/* SPI Controller platform_devices */
/* Since we emulate multi-cs capability, we do not touch the GPC-3,7.
* The emulated CS is toggled by board specific mechanism, as it can
* be either some immediate GPIO or some signal out of some other
* chip in between ... or some yet another way.
* We simply do not assume anything about CS.
*/
static int s3c64xx_spi_cfg_gpio(struct platform_device *pdev)
{
unsigned int base;
switch (pdev->id) {
case 0:
base = S3C64XX_GPC(0);
break;
case 1:
base = S3C64XX_GPC(4);
break;
default:
dev_err(&pdev->dev, "Invalid SPI Controller number!");
return -EINVAL;
}
s3c_gpio_cfgall_range(base, 3,
S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
return 0;
}
static struct resource s3c64xx_spi0_resource[] = {
[0] = {
.start = S3C64XX_PA_SPI0,
.end = S3C64XX_PA_SPI0 + 0x100 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = DMACH_SPI0_TX,
.end = DMACH_SPI0_TX,
.flags = IORESOURCE_DMA,
},
[2] = {
.start = DMACH_SPI0_RX,
.end = DMACH_SPI0_RX,
.flags = IORESOURCE_DMA,
},
[3] = {
.start = IRQ_SPI0,
.end = IRQ_SPI0,
.flags = IORESOURCE_IRQ,
},
};
static struct s3c64xx_spi_info s3c64xx_spi0_pdata = {
.cfg_gpio = s3c64xx_spi_cfg_gpio,
.fifo_lvl_mask = 0x7f,
.rx_lvl_offset = 13,
.tx_st_done = 21,
};
static u64 spi_dmamask = DMA_BIT_MASK(32);
struct platform_device s3c64xx_device_spi0 = {
.name = "s3c64xx-spi",
.id = 0,
.num_resources = ARRAY_SIZE(s3c64xx_spi0_resource),
.resource = s3c64xx_spi0_resource,
.dev = {
.dma_mask = &spi_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &s3c64xx_spi0_pdata,
},
};
EXPORT_SYMBOL(s3c64xx_device_spi0);
static struct resource s3c64xx_spi1_resource[] = {
[0] = {
.start = S3C64XX_PA_SPI1,
.end = S3C64XX_PA_SPI1 + 0x100 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = DMACH_SPI1_TX,
.end = DMACH_SPI1_TX,
.flags = IORESOURCE_DMA,
},
[2] = {
.start = DMACH_SPI1_RX,
.end = DMACH_SPI1_RX,
.flags = IORESOURCE_DMA,
},
[3] = {
.start = IRQ_SPI1,
.end = IRQ_SPI1,
.flags = IORESOURCE_IRQ,
},
};
static struct s3c64xx_spi_info s3c64xx_spi1_pdata = {
.cfg_gpio = s3c64xx_spi_cfg_gpio,
.fifo_lvl_mask = 0x7f,
.rx_lvl_offset = 13,
.tx_st_done = 21,
};
struct platform_device s3c64xx_device_spi1 = {
.name = "s3c64xx-spi",
.id = 1,
.num_resources = ARRAY_SIZE(s3c64xx_spi1_resource),
.resource = s3c64xx_spi1_resource,
.dev = {
.dma_mask = &spi_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &s3c64xx_spi1_pdata,
},
};
EXPORT_SYMBOL(s3c64xx_device_spi1);
void __init s3c64xx_spi_set_info(int cntrlr, int src_clk_nr, int num_cs)
{
struct s3c64xx_spi_info *pd;
/* Reject invalid configuration */
if (!num_cs || src_clk_nr < 0
|| src_clk_nr > S3C64XX_SPI_SRCCLK_48M) {
printk(KERN_ERR "%s: Invalid SPI configuration\n", __func__);
return;
}
switch (cntrlr) {
case 0:
pd = &s3c64xx_spi0_pdata;
break;
case 1:
pd = &s3c64xx_spi1_pdata;
break;
default:
printk(KERN_ERR "%s: Invalid SPI controller(%d)\n",
__func__, cntrlr);
return;
}
pd->num_cs = num_cs;
pd->src_clk_nr = src_clk_nr;
}

1
arch/arm/mach-s5p64x0/Makefile
View file

@ -26,7 +26,6 @@ obj-$(CONFIG_MACH_SMDK6450) += mach-smdk6450.o
# device support
obj-y += dev-audio.o
obj-$(CONFIG_S3C64XX_DEV_SPI) += dev-spi.o
obj-$(CONFIG_S5P64X0_SETUP_I2C1) += setup-i2c1.o
obj-$(CONFIG_S5P64X0_SETUP_FB_24BPP) += setup-fb-24bpp.o

218
arch/arm/mach-s5p64x0/dev-spi.c
View file

@ -1,218 +0,0 @@
/* linux/arch/arm/mach-s5p64x0/dev-spi.c
*
* Copyright (c) 2010 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* Copyright (C) 2010 Samsung Electronics Co. Ltd.
* Jaswinder Singh <jassi.brar@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/platform_device.h>
#include <linux/dma-mapping.h>
#include <linux/gpio.h>
#include <mach/dma.h>
#include <mach/map.h>
#include <mach/irqs.h>
#include <mach/regs-clock.h>
#include <mach/spi-clocks.h>
#include <plat/cpu.h>
#include <plat/s3c64xx-spi.h>
#include <plat/gpio-cfg.h>
/* SPI Controller platform_devices */
/* Since we emulate multi-cs capability, we do not touch the CS.
* The emulated CS is toggled by board specific mechanism, as it can
* be either some immediate GPIO or some signal out of some other
* chip in between ... or some yet another way.
* We simply do not assume anything about CS.
*/
static int s5p6440_spi_cfg_gpio(struct platform_device *pdev)
{
unsigned int base;
switch (pdev->id) {
case 0:
base = S5P6440_GPC(0);
break;
case 1:
base = S5P6440_GPC(4);
break;
default:
dev_err(&pdev->dev, "Invalid SPI Controller number!");
return -EINVAL;
}
s3c_gpio_cfgall_range(base, 3,
S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
return 0;
}
static int s5p6450_spi_cfg_gpio(struct platform_device *pdev)
{
unsigned int base;
switch (pdev->id) {
case 0:
base = S5P6450_GPC(0);
break;
case 1:
base = S5P6450_GPC(4);
break;
default:
dev_err(&pdev->dev, "Invalid SPI Controller number!");
return -EINVAL;
}
s3c_gpio_cfgall_range(base, 3,
S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
return 0;
}
static struct resource s5p64x0_spi0_resource[] = {
[0] = {
.start = S5P64X0_PA_SPI0,
.end = S5P64X0_PA_SPI0 + 0x100 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = DMACH_SPI0_TX,
.end = DMACH_SPI0_TX,
.flags = IORESOURCE_DMA,
},
[2] = {
.start = DMACH_SPI0_RX,
.end = DMACH_SPI0_RX,
.flags = IORESOURCE_DMA,
},
[3] = {
.start = IRQ_SPI0,
.end = IRQ_SPI0,
.flags = IORESOURCE_IRQ,
},
};
static struct s3c64xx_spi_info s5p6440_spi0_pdata = {
.cfg_gpio = s5p6440_spi_cfg_gpio,
.fifo_lvl_mask = 0x1ff,
.rx_lvl_offset = 15,
.tx_st_done = 25,
};
static struct s3c64xx_spi_info s5p6450_spi0_pdata = {
.cfg_gpio = s5p6450_spi_cfg_gpio,
.fifo_lvl_mask = 0x1ff,
.rx_lvl_offset = 15,
.tx_st_done = 25,
};
static u64 spi_dmamask = DMA_BIT_MASK(32);
struct platform_device s5p64x0_device_spi0 = {
.name = "s3c64xx-spi",
.id = 0,
.num_resources = ARRAY_SIZE(s5p64x0_spi0_resource),
.resource = s5p64x0_spi0_resource,
.dev = {
.dma_mask = &spi_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
};
static struct resource s5p64x0_spi1_resource[] = {
[0] = {
.start = S5P64X0_PA_SPI1,
.end = S5P64X0_PA_SPI1 + 0x100 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = DMACH_SPI1_TX,
.end = DMACH_SPI1_TX,
.flags = IORESOURCE_DMA,
},
[2] = {
.start = DMACH_SPI1_RX,
.end = DMACH_SPI1_RX,
.flags = IORESOURCE_DMA,
},
[3] = {
.start = IRQ_SPI1,
.end = IRQ_SPI1,
.flags = IORESOURCE_IRQ,
},
};
static struct s3c64xx_spi_info s5p6440_spi1_pdata = {
.cfg_gpio = s5p6440_spi_cfg_gpio,
.fifo_lvl_mask = 0x7f,
.rx_lvl_offset = 15,
.tx_st_done = 25,
};
static struct s3c64xx_spi_info s5p6450_spi1_pdata = {
.cfg_gpio = s5p6450_spi_cfg_gpio,
.fifo_lvl_mask = 0x7f,
.rx_lvl_offset = 15,
.tx_st_done = 25,
};
struct platform_device s5p64x0_device_spi1 = {
.name = "s3c64xx-spi",
.id = 1,
.num_resources = ARRAY_SIZE(s5p64x0_spi1_resource),
.resource = s5p64x0_spi1_resource,
.dev = {
.dma_mask = &spi_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
};
void __init s5p64x0_spi_set_info(int cntrlr, int src_clk_nr, int num_cs)
{
struct s3c64xx_spi_info *pd;
/* Reject invalid configuration */
if (!num_cs || src_clk_nr < 0
|| src_clk_nr > S5P64X0_SPI_SRCCLK_SCLK) {
printk(KERN_ERR "%s: Invalid SPI configuration\n", __func__);
return;
}
switch (cntrlr) {
case 0:
if (soc_is_s5p6450())
pd = &s5p6450_spi0_pdata;
else
pd = &s5p6440_spi0_pdata;
s5p64x0_device_spi0.dev.platform_data = pd;
break;
case 1:
if (soc_is_s5p6450())
pd = &s5p6450_spi1_pdata;
else
pd = &s5p6440_spi1_pdata;
s5p64x0_device_spi1.dev.platform_data = pd;
break;
default:
printk(KERN_ERR "%s: Invalid SPI controller(%d)\n",
__func__, cntrlr);
return;
}
pd->num_cs = num_cs;
pd->src_clk_nr = src_clk_nr;
}

1
arch/arm/mach-s5pc100/Makefile
View file

@ -25,7 +25,6 @@ obj-$(CONFIG_S5PC100_SETUP_SDHCI_GPIO) += setup-sdhci-gpio.o
# device support
obj-y += dev-audio.o
obj-$(CONFIG_S3C64XX_DEV_SPI) += dev-spi.o
# machine support

220
arch/arm/mach-s5pc100/dev-spi.c
View file

@ -1,220 +0,0 @@
/* linux/arch/arm/mach-s5pc100/dev-spi.c
*
* Copyright (C) 2010 Samsung Electronics Co. Ltd.
* Jaswinder Singh <jassi.brar@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/platform_device.h>
#include <linux/dma-mapping.h>
#include <linux/gpio.h>
#include <mach/dma.h>
#include <mach/map.h>
#include <mach/spi-clocks.h>
#include <mach/irqs.h>
#include <plat/s3c64xx-spi.h>
#include <plat/gpio-cfg.h>
#include <plat/irqs.h>
/* SPI Controller platform_devices */
/* Since we emulate multi-cs capability, we do not touch the CS.
* The emulated CS is toggled by board specific mechanism, as it can
* be either some immediate GPIO or some signal out of some other
* chip in between ... or some yet another way.
* We simply do not assume anything about CS.
*/
static int s5pc100_spi_cfg_gpio(struct platform_device *pdev)
{
switch (pdev->id) {
case 0:
s3c_gpio_cfgall_range(S5PC100_GPB(0), 3,
S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
break;
case 1:
s3c_gpio_cfgall_range(S5PC100_GPB(4), 3,
S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
break;
case 2:
s3c_gpio_cfgpin(S5PC100_GPG3(0), S3C_GPIO_SFN(3));
s3c_gpio_setpull(S5PC100_GPG3(0), S3C_GPIO_PULL_UP);
s3c_gpio_cfgall_range(S5PC100_GPB(2), 2,
S3C_GPIO_SFN(3), S3C_GPIO_PULL_UP);
break;
default:
dev_err(&pdev->dev, "Invalid SPI Controller number!");
return -EINVAL;
}
return 0;
}
static struct resource s5pc100_spi0_resource[] = {
[0] = {
.start = S5PC100_PA_SPI0,
.end = S5PC100_PA_SPI0 + 0x100 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = DMACH_SPI0_TX,
.end = DMACH_SPI0_TX,
.flags = IORESOURCE_DMA,
},
[2] = {
.start = DMACH_SPI0_RX,
.end = DMACH_SPI0_RX,
.flags = IORESOURCE_DMA,
},
[3] = {
.start = IRQ_SPI0,
.end = IRQ_SPI0,
.flags = IORESOURCE_IRQ,
},
};
static struct s3c64xx_spi_info s5pc100_spi0_pdata = {
.cfg_gpio = s5pc100_spi_cfg_gpio,
.fifo_lvl_mask = 0x7f,
.rx_lvl_offset = 13,
.high_speed = 1,
.tx_st_done = 21,
};
static u64 spi_dmamask = DMA_BIT_MASK(32);
struct platform_device s5pc100_device_spi0 = {
.name = "s3c64xx-spi",
.id = 0,
.num_resources = ARRAY_SIZE(s5pc100_spi0_resource),
.resource = s5pc100_spi0_resource,
.dev = {
.dma_mask = &spi_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &s5pc100_spi0_pdata,
},
};
static struct resource s5pc100_spi1_resource[] = {
[0] = {
.start = S5PC100_PA_SPI1,
.end = S5PC100_PA_SPI1 + 0x100 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = DMACH_SPI1_TX,
.end = DMACH_SPI1_TX,
.flags = IORESOURCE_DMA,
},
[2] = {
.start = DMACH_SPI1_RX,
.end = DMACH_SPI1_RX,
.flags = IORESOURCE_DMA,
},
[3] = {
.start = IRQ_SPI1,
.end = IRQ_SPI1,
.flags = IORESOURCE_IRQ,
},
};
static struct s3c64xx_spi_info s5pc100_spi1_pdata = {
.cfg_gpio = s5pc100_spi_cfg_gpio,
.fifo_lvl_mask = 0x7f,
.rx_lvl_offset = 13,
.high_speed = 1,
.tx_st_done = 21,
};
struct platform_device s5pc100_device_spi1 = {
.name = "s3c64xx-spi",
.id = 1,
.num_resources = ARRAY_SIZE(s5pc100_spi1_resource),
.resource = s5pc100_spi1_resource,
.dev = {
.dma_mask = &spi_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &s5pc100_spi1_pdata,
},
};
static struct resource s5pc100_spi2_resource[] = {
[0] = {
.start = S5PC100_PA_SPI2,
.end = S5PC100_PA_SPI2 + 0x100 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = DMACH_SPI2_TX,
.end = DMACH_SPI2_TX,
.flags = IORESOURCE_DMA,
},
[2] = {
.start = DMACH_SPI2_RX,
.end = DMACH_SPI2_RX,
.flags = IORESOURCE_DMA,
},
[3] = {
.start = IRQ_SPI2,
.end = IRQ_SPI2,
.flags = IORESOURCE_IRQ,
},
};
static struct s3c64xx_spi_info s5pc100_spi2_pdata = {
.cfg_gpio = s5pc100_spi_cfg_gpio,
.fifo_lvl_mask = 0x7f,
.rx_lvl_offset = 13,
.high_speed = 1,
.tx_st_done = 21,
};
struct platform_device s5pc100_device_spi2 = {
.name = "s3c64xx-spi",
.id = 2,
.num_resources = ARRAY_SIZE(s5pc100_spi2_resource),
.resource = s5pc100_spi2_resource,
.dev = {
.dma_mask = &spi_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &s5pc100_spi2_pdata,
},
};
void __init s5pc100_spi_set_info(int cntrlr, int src_clk_nr, int num_cs)
{
struct s3c64xx_spi_info *pd;
/* Reject invalid configuration */
if (!num_cs || src_clk_nr < 0
|| src_clk_nr > S5PC100_SPI_SRCCLK_SPIBUS) {
printk(KERN_ERR "%s: Invalid SPI configuration\n", __func__);
return;
}
switch (cntrlr) {
case 0:
pd = &s5pc100_spi0_pdata;
break;
case 1:
pd = &s5pc100_spi1_pdata;
break;
case 2:
pd = &s5pc100_spi2_pdata;
break;
default:
printk(KERN_ERR "%s: Invalid SPI controller(%d)\n",
__func__, cntrlr);
return;
}
pd->num_cs = num_cs;
pd->src_clk_nr = src_clk_nr;
}

1
arch/arm/mach-s5pv210/Makefile
View file

@ -27,7 +27,6 @@ obj-$(CONFIG_MACH_TORBRECK) += mach-torbreck.o
# device support
obj-y += dev-audio.o
obj-$(CONFIG_S3C64XX_DEV_SPI) += dev-spi.o
obj-$(CONFIG_S5PV210_SETUP_FB_24BPP) += setup-fb-24bpp.o
obj-$(CONFIG_S5PV210_SETUP_FIMC) += setup-fimc.o

169
arch/arm/mach-s5pv210/dev-spi.c
View file

@ -1,169 +0,0 @@
/* linux/arch/arm/mach-s5pv210/dev-spi.c
*
* Copyright (C) 2010 Samsung Electronics Co. Ltd.
* Jaswinder Singh <jassi.brar@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/platform_device.h>
#include <linux/dma-mapping.h>
#include <linux/gpio.h>
#include <mach/dma.h>
#include <mach/map.h>
#include <mach/irqs.h>
#include <mach/spi-clocks.h>
#include <plat/s3c64xx-spi.h>
#include <plat/gpio-cfg.h>
/* SPI Controller platform_devices */
/* Since we emulate multi-cs capability, we do not touch the CS.
* The emulated CS is toggled by board specific mechanism, as it can
* be either some immediate GPIO or some signal out of some other
* chip in between ... or some yet another way.
* We simply do not assume anything about CS.
*/
static int s5pv210_spi_cfg_gpio(struct platform_device *pdev)
{
unsigned int base;
switch (pdev->id) {
case 0:
base = S5PV210_GPB(0);
break;
case 1:
base = S5PV210_GPB(4);
break;
default:
dev_err(&pdev->dev, "Invalid SPI Controller number!");
return -EINVAL;
}
s3c_gpio_cfgall_range(base, 3,
S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
return 0;
}
static struct resource s5pv210_spi0_resource[] = {
[0] = {
.start = S5PV210_PA_SPI0,
.end = S5PV210_PA_SPI0 + 0x100 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = DMACH_SPI0_TX,
.end = DMACH_SPI0_TX,
.flags = IORESOURCE_DMA,
},
[2] = {
.start = DMACH_SPI0_RX,
.end = DMACH_SPI0_RX,
.flags = IORESOURCE_DMA,
},
[3] = {
.start = IRQ_SPI0,
.end = IRQ_SPI0,
.flags = IORESOURCE_IRQ,
},
};
static struct s3c64xx_spi_info s5pv210_spi0_pdata = {
.cfg_gpio = s5pv210_spi_cfg_gpio,
.fifo_lvl_mask = 0x1ff,
.rx_lvl_offset = 15,
.high_speed = 1,
.tx_st_done = 25,
};
static u64 spi_dmamask = DMA_BIT_MASK(32);
struct platform_device s5pv210_device_spi0 = {
.name = "s3c64xx-spi",
.id = 0,
.num_resources = ARRAY_SIZE(s5pv210_spi0_resource),
.resource = s5pv210_spi0_resource,
.dev = {
.dma_mask = &spi_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &s5pv210_spi0_pdata,
},
};
static struct resource s5pv210_spi1_resource[] = {
[0] = {
.start = S5PV210_PA_SPI1,
.end = S5PV210_PA_SPI1 + 0x100 - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = DMACH_SPI1_TX,
.end = DMACH_SPI1_TX,
.flags = IORESOURCE_DMA,
},
[2] = {
.start = DMACH_SPI1_RX,
.end = DMACH_SPI1_RX,
.flags = IORESOURCE_DMA,
},
[3] = {
.start = IRQ_SPI1,
.end = IRQ_SPI1,
.flags = IORESOURCE_IRQ,
},
};
static struct s3c64xx_spi_info s5pv210_spi1_pdata = {
.cfg_gpio = s5pv210_spi_cfg_gpio,
.fifo_lvl_mask = 0x7f,
.rx_lvl_offset = 15,
.high_speed = 1,
.tx_st_done = 25,
};
struct platform_device s5pv210_device_spi1 = {
.name = "s3c64xx-spi",
.id = 1,
.num_resources = ARRAY_SIZE(s5pv210_spi1_resource),
.resource = s5pv210_spi1_resource,
.dev = {
.dma_mask = &spi_dmamask,
.coherent_dma_mask = DMA_BIT_MASK(32),
.platform_data = &s5pv210_spi1_pdata,
},
};
void __init s5pv210_spi_set_info(int cntrlr, int src_clk_nr, int num_cs)
{
struct s3c64xx_spi_info *pd;
/* Reject invalid configuration */
if (!num_cs || src_clk_nr < 0
|| src_clk_nr > S5PV210_SPI_SRCCLK_SCLK) {
printk(KERN_ERR "%s: Invalid SPI configuration\n", __func__);
return;
}
switch (cntrlr) {
case 0:
pd = &s5pv210_spi0_pdata;
break;
case 1:
pd = &s5pv210_spi1_pdata;
break;
default:
printk(KERN_ERR "%s: Invalid SPI controller(%d)\n",
__func__, cntrlr);
return;
}
pd->num_cs = num_cs;
pd->src_clk_nr = src_clk_nr;
}

16
arch/arm/plat-samsung/Kconfig
View file

@ -226,11 +226,23 @@ config SAMSUNG_DEV_IDE
help
Compile in platform device definitions for IDE
config S3C64XX_DEV_SPI
config S3C64XX_DEV_SPI0
bool
help
Compile in platform device definitions for S3C64XX's type
SPI controllers.
SPI controller 0
config S3C64XX_DEV_SPI1
bool
help
Compile in platform device definitions for S3C64XX's type
SPI controller 1
config S3C64XX_DEV_SPI2
bool
help
Compile in platform device definitions for S3C64XX's type
SPI controller 2
config SAMSUNG_DEV_TS
bool

118
arch/arm/plat-samsung/devs.c
View file

@ -61,6 +61,7 @@
#include <plat/regs-iic.h>
#include <plat/regs-serial.h>
#include <plat/regs-spi.h>
#include <plat/s3c64xx-spi.h>
static u64 samsung_device_dma_mask = DMA_BIT_MASK(32);
@ -1461,3 +1462,120 @@ struct platform_device s3c_device_wdt = {
.resource = s3c_wdt_resource,
};
#endif /* CONFIG_S3C_DEV_WDT */
#ifdef CONFIG_S3C64XX_DEV_SPI0
static struct resource s3c64xx_spi0_resource[] = {
[0] = DEFINE_RES_MEM(S3C_PA_SPI0, SZ_256),
[1] = DEFINE_RES_DMA(DMACH_SPI0_TX),
[2] = DEFINE_RES_DMA(DMACH_SPI0_RX),
[3] = DEFINE_RES_IRQ(IRQ_SPI0),
};
struct platform_device s3c64xx_device_spi0 = {
.name = "s3c64xx-spi",
.id = 0,
.num_resources = ARRAY_SIZE(s3c64xx_spi0_resource),
.resource = s3c64xx_spi0_resource,
.dev = {
.dma_mask = &samsung_device_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
};
void __init s3c64xx_spi0_set_platdata(struct s3c64xx_spi_info *pd,
int src_clk_nr, int num_cs)
{
if (!pd) {
pr_err("%s:Need to pass platform data\n", __func__);
return;
}
/* Reject invalid configuration */
if (!num_cs || src_clk_nr < 0) {
pr_err("%s: Invalid SPI configuration\n", __func__);
return;
}
pd->num_cs = num_cs;
pd->src_clk_nr = src_clk_nr;
s3c_set_platdata(pd, sizeof(*pd), &s3c64xx_device_spi0);
}
#endif /* CONFIG_S3C64XX_DEV_SPI0 */
#ifdef CONFIG_S3C64XX_DEV_SPI1
static struct resource s3c64xx_spi1_resource[] = {
[0] = DEFINE_RES_MEM(S3C_PA_SPI1, SZ_256),
[1] = DEFINE_RES_DMA(DMACH_SPI1_TX),
[2] = DEFINE_RES_DMA(DMACH_SPI1_RX),
[3] = DEFINE_RES_IRQ(IRQ_SPI1),
};
struct platform_device s3c64xx_device_spi1 = {
.name = "s3c64xx-spi",
.id = 1,
.num_resources = ARRAY_SIZE(s3c64xx_spi1_resource),
.resource = s3c64xx_spi1_resource,
.dev = {
.dma_mask = &samsung_device_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
};
void __init s3c64xx_spi1_set_platdata(struct s3c64xx_spi_info *pd,
int src_clk_nr, int num_cs)
{
if (!pd) {
pr_err("%s:Need to pass platform data\n", __func__);
return;
}
/* Reject invalid configuration */
if (!num_cs || src_clk_nr < 0) {
pr_err("%s: Invalid SPI configuration\n", __func__);
return;
}
pd->num_cs = num_cs;
pd->src_clk_nr = src_clk_nr;
s3c_set_platdata(pd, sizeof(*pd), &s3c64xx_device_spi1);
}
#endif /* CONFIG_S3C64XX_DEV_SPI1 */
#ifdef CONFIG_S3C64XX_DEV_SPI2
static struct resource s3c64xx_spi2_resource[] = {
[0] = DEFINE_RES_MEM(S3C_PA_SPI2, SZ_256),
[1] = DEFINE_RES_DMA(DMACH_SPI2_TX),
[2] = DEFINE_RES_DMA(DMACH_SPI2_RX),
[3] = DEFINE_RES_IRQ(IRQ_SPI2),
};
struct platform_device s3c64xx_device_spi2 = {
.name = "s3c64xx-spi",
.id = 2,
.num_resources = ARRAY_SIZE(s3c64xx_spi2_resource),
.resource = s3c64xx_spi2_resource,
.dev = {
.dma_mask = &samsung_device_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
},
};
void __init s3c64xx_spi2_set_platdata(struct s3c64xx_spi_info *pd,
int src_clk_nr, int num_cs)
{
if (!pd) {
pr_err("%s:Need to pass platform data\n", __func__);
return;
}
/* Reject invalid configuration */
if (!num_cs || src_clk_nr < 0) {
pr_err("%s: Invalid SPI configuration\n", __func__);
return;
}
pd->num_cs = num_cs;
pd->src_clk_nr = src_clk_nr;
s3c_set_platdata(pd, sizeof(*pd), &s3c64xx_device_spi2);
}
#endif /* CONFIG_S3C64XX_DEV_SPI2 */

8
arch/arm/plat-samsung/include/plat/devs.h
View file

@ -39,6 +39,7 @@ extern struct platform_device s3c64xx_device_pcm0;
extern struct platform_device s3c64xx_device_pcm1;
extern struct platform_device s3c64xx_device_spi0;
extern struct platform_device s3c64xx_device_spi1;
extern struct platform_device s3c64xx_device_spi2;
extern struct platform_device s3c_device_adc;
extern struct platform_device s3c_device_cfcon;
@ -98,8 +99,6 @@ extern struct platform_device s5p6450_device_iis1;
extern struct platform_device s5p6450_device_iis2;
extern struct platform_device s5p6450_device_pcm0;
extern struct platform_device s5p64x0_device_spi0;
extern struct platform_device s5p64x0_device_spi1;
extern struct platform_device s5pc100_device_ac97;
extern struct platform_device s5pc100_device_iis0;
@ -108,9 +107,6 @@ extern struct platform_device s5pc100_device_iis2;
extern struct platform_device s5pc100_device_pcm0;
extern struct platform_device s5pc100_device_pcm1;
extern struct platform_device s5pc100_device_spdif;
extern struct platform_device s5pc100_device_spi0;
extern struct platform_device s5pc100_device_spi1;
extern struct platform_device s5pc100_device_spi2;
extern struct platform_device s5pv210_device_ac97;
extern struct platform_device s5pv210_device_iis0;
@ -120,8 +116,6 @@ extern struct platform_device s5pv210_device_pcm0;
extern struct platform_device s5pv210_device_pcm1;
extern struct platform_device s5pv210_device_pcm2;
extern struct platform_device s5pv210_device_spdif;
extern struct platform_device s5pv210_device_spi0;
extern struct platform_device s5pv210_device_spi1;
extern struct platform_device exynos4_device_ac97;
extern struct platform_device exynos4_device_ahci;

15
arch/arm/plat-samsung/include/plat/s3c64xx-spi.h
View file

@ -56,18 +56,19 @@ struct s3c64xx_spi_info {
};
/**
* s3c64xx_spi_set_info - SPI Controller configure callback by the board
* s3c64xx_spi_set_platdata - SPI Controller configure callback by the board
* initialization code.
* @cntrlr: SPI controller number the configuration is for.
* @pd: SPI platform data to set.
* @src_clk_nr: Clock the SPI controller is to use to generate SPI clocks.
* @num_cs: Number of elements in the 'cs' array.
*
* Call this from machine init code for each SPI Controller that
* has some chips attached to it.
*/
extern void s3c64xx_spi_set_info(int cntrlr, int src_clk_nr, int num_cs);
extern void s5pc100_spi_set_info(int cntrlr, int src_clk_nr, int num_cs);
extern void s5pv210_spi_set_info(int cntrlr, int src_clk_nr, int num_cs);
extern void s5p64x0_spi_set_info(int cntrlr, int src_clk_nr, int num_cs);
extern void s3c64xx_spi0_set_platdata(struct s3c64xx_spi_info *pd,
int src_clk_nr, int num_cs);
extern void s3c64xx_spi1_set_platdata(struct s3c64xx_spi_info *pd,
int src_clk_nr, int num_cs);
extern void s3c64xx_spi2_set_platdata(struct s3c64xx_spi_info *pd,
int src_clk_nr, int num_cs);
#endif /* __S3C64XX_PLAT_SPI_H */