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ARM: S3C24XX: add platform-devices for new dma driver for s3c2412 and…
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… s3c2443

This includes defining the mapping for the request sources.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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Heiko Stuebner authored and Kukjin Kim committed Oct 7, 2013
1 parent ddeccb8 commit f2dda07
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Showing 7 changed files with 114 additions and 0 deletions.
106 changes: 106 additions & 0 deletions arch/arm/mach-s3c24xx/common.c
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,7 @@
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/platform_data/dma-s3c24xx.h>

#include <mach/hardware.h>
#include <mach/regs-clock.h>
Expand All @@ -44,6 +45,7 @@

#include <mach/regs-gpio.h>
#include <plat/regs-serial.h>
#include <mach/dma.h>

#include <plat/cpu.h>
#include <plat/devs.h>
Expand Down Expand Up @@ -329,3 +331,107 @@ void __init_or_cpufreq s3c24xx_setup_clocks(unsigned long fclk,
clk_p.rate = pclk;
clk_f.rate = fclk;
}

#if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2412) || \
defined(CONFIG_CPU_S3C2440) || defined(CONFIG_CPU_S3C2442)
static struct resource s3c2410_dma_resource[] = {
[0] = DEFINE_RES_MEM(S3C24XX_PA_DMA, S3C24XX_SZ_DMA),
[1] = DEFINE_RES_IRQ(IRQ_DMA0),
[2] = DEFINE_RES_IRQ(IRQ_DMA1),
[3] = DEFINE_RES_IRQ(IRQ_DMA2),
[4] = DEFINE_RES_IRQ(IRQ_DMA3),
};
#endif

#ifdef CONFIG_CPU_S3C2412
static struct s3c24xx_dma_channel s3c2412_dma_channels[DMACH_MAX] = {
[DMACH_XD0] = { S3C24XX_DMA_AHB, true, 17 },
[DMACH_XD1] = { S3C24XX_DMA_AHB, true, 18 },
[DMACH_SDI] = { S3C24XX_DMA_APB, false, 10 },
[DMACH_SPI0_RX] = { S3C24XX_DMA_APB, true, 1 },
[DMACH_SPI0_TX] = { S3C24XX_DMA_APB, true, 0 },
[DMACH_SPI1_RX] = { S3C24XX_DMA_APB, true, 3 },
[DMACH_SPI1_TX] = { S3C24XX_DMA_APB, true, 2 },
[DMACH_UART0] = { S3C24XX_DMA_APB, true, 19 },
[DMACH_UART1] = { S3C24XX_DMA_APB, true, 21 },
[DMACH_UART2] = { S3C24XX_DMA_APB, true, 23 },
[DMACH_UART0_SRC2] = { S3C24XX_DMA_APB, true, 20 },
[DMACH_UART1_SRC2] = { S3C24XX_DMA_APB, true, 22 },
[DMACH_UART2_SRC2] = { S3C24XX_DMA_APB, true, 24 },
[DMACH_TIMER] = { S3C24XX_DMA_APB, true, 9 },
[DMACH_I2S_IN] = { S3C24XX_DMA_APB, true, 5 },
[DMACH_I2S_OUT] = { S3C24XX_DMA_APB, true, 4 },
[DMACH_USB_EP1] = { S3C24XX_DMA_APB, true, 13 },
[DMACH_USB_EP2] = { S3C24XX_DMA_APB, true, 14 },
[DMACH_USB_EP3] = { S3C24XX_DMA_APB, true, 15 },
[DMACH_USB_EP4] = { S3C24XX_DMA_APB, true, 16 },
};

static struct s3c24xx_dma_platdata s3c2412_dma_platdata = {
.num_phy_channels = 4,
.channels = s3c2412_dma_channels,
.num_channels = DMACH_MAX,
};

struct platform_device s3c2412_device_dma = {
.name = "s3c2412-dma",
.id = 0,
.num_resources = ARRAY_SIZE(s3c2410_dma_resource),
.resource = s3c2410_dma_resource,
.dev = {
.platform_data = &s3c2412_dma_platdata,
},
};
#endif

#if defined(CONFIG_CPUS_3C2443) || defined(CONFIG_CPU_S3C2416)
static struct resource s3c2443_dma_resource[] = {
[0] = DEFINE_RES_MEM(S3C24XX_PA_DMA, S3C24XX_SZ_DMA),
[1] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA0),
[2] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA1),
[3] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA2),
[4] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA3),
[5] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA4),
[6] = DEFINE_RES_IRQ(IRQ_S3C2443_DMA5),
};

static struct s3c24xx_dma_channel s3c2443_dma_channels[DMACH_MAX] = {
[DMACH_XD0] = { S3C24XX_DMA_AHB, true, 17 },
[DMACH_XD1] = { S3C24XX_DMA_AHB, true, 18 },
[DMACH_SDI] = { S3C24XX_DMA_APB, false, 10 },
[DMACH_SPI0_RX] = { S3C24XX_DMA_APB, true, 1 },
[DMACH_SPI0_TX] = { S3C24XX_DMA_APB, true, 0 },
[DMACH_SPI1_RX] = { S3C24XX_DMA_APB, true, 3 },
[DMACH_SPI1_TX] = { S3C24XX_DMA_APB, true, 2 },
[DMACH_UART0] = { S3C24XX_DMA_APB, true, 19 },
[DMACH_UART1] = { S3C24XX_DMA_APB, true, 21 },
[DMACH_UART2] = { S3C24XX_DMA_APB, true, 23 },
[DMACH_UART3] = { S3C24XX_DMA_APB, true, 25 },
[DMACH_UART0_SRC2] = { S3C24XX_DMA_APB, true, 20 },
[DMACH_UART1_SRC2] = { S3C24XX_DMA_APB, true, 22 },
[DMACH_UART2_SRC2] = { S3C24XX_DMA_APB, true, 24 },
[DMACH_UART3_SRC2] = { S3C24XX_DMA_APB, true, 26 },
[DMACH_TIMER] = { S3C24XX_DMA_APB, true, 9 },
[DMACH_I2S_IN] = { S3C24XX_DMA_APB, true, 5 },
[DMACH_I2S_OUT] = { S3C24XX_DMA_APB, true, 4 },
[DMACH_PCM_IN] = { S3C24XX_DMA_APB, true, 28 },
[DMACH_PCM_OUT] = { S3C24XX_DMA_APB, true, 27 },
[DMACH_MIC_IN] = { S3C24XX_DMA_APB, true, 29 },
};

static struct s3c24xx_dma_platdata s3c2443_dma_platdata = {
.num_phy_channels = 6,
.channels = s3c2443_dma_channels,
.num_channels = DMACH_MAX,
};

struct platform_device s3c2443_device_dma = {
.name = "s3c2443-dma",
.id = 0,
.num_resources = ARRAY_SIZE(s3c2443_dma_resource),
.resource = s3c2443_dma_resource,
.dev = {
.platform_data = &s3c2443_dma_platdata,
},
};
#endif
3 changes: 3 additions & 0 deletions arch/arm/mach-s3c24xx/common.h
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Expand Up @@ -109,4 +109,7 @@ extern void s3c2443_init_irq(void);

extern struct syscore_ops s3c24xx_irq_syscore_ops;

extern struct platform_device s3c2412_device_dma;
extern struct platform_device s3c2443_device_dma;

#endif /* __ARCH_ARM_MACH_S3C24XX_COMMON_H */
1 change: 1 addition & 0 deletions arch/arm/mach-s3c24xx/mach-jive.c
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Expand Up @@ -466,6 +466,7 @@ static struct platform_device *jive_devices[] __initdata = {
&jive_device_wm8750,
&s3c_device_nand,
&s3c_device_usbgadget,
&s3c2412_device_dma,
};

static struct s3c2410_udc_mach_info jive_udc_cfg __initdata = {
Expand Down
1 change: 1 addition & 0 deletions arch/arm/mach-s3c24xx/mach-smdk2413.c
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Expand Up @@ -89,6 +89,7 @@ static struct platform_device *smdk2413_devices[] __initdata = {
&s3c_device_i2c0,
&s3c_device_iis,
&s3c_device_usbgadget,
&s3c2412_device_dma,
};

static void __init smdk2413_fixup(struct tag *tags, char **cmdline,
Expand Down
1 change: 1 addition & 0 deletions arch/arm/mach-s3c24xx/mach-smdk2416.c
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Expand Up @@ -215,6 +215,7 @@ static struct platform_device *smdk2416_devices[] __initdata = {
&s3c_device_hsmmc0,
&s3c_device_hsmmc1,
&s3c_device_usb_hsudc,
&s3c2443_device_dma,
};

static void __init smdk2416_map_io(void)
Expand Down
1 change: 1 addition & 0 deletions arch/arm/mach-s3c24xx/mach-smdk2443.c
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Expand Up @@ -115,6 +115,7 @@ static struct platform_device *smdk2443_devices[] __initdata = {
#ifdef CONFIG_SND_SOC_SMDK2443_WM9710
&s3c_device_ac97,
#endif
&s3c2443_device_dma,
};

static void __init smdk2443_map_io(void)
Expand Down
1 change: 1 addition & 0 deletions arch/arm/mach-s3c24xx/mach-vstms.c
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Expand Up @@ -126,6 +126,7 @@ static struct platform_device *vstms_devices[] __initdata = {
&s3c_device_iis,
&s3c_device_rtc,
&s3c_device_nand,
&s3c2412_device_dma,
};

static void __init vstms_fixup(struct tag *tags, char **cmdline,
Expand Down

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