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Merge branch 'next/devel-samsung' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/soc2

Browse Source 
* 'next/devel-samsung' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: EXYNOS: Support Suspend/Resume for EXYNOS4412
  ARM: EXYNOS: To use common config for EXYNOS4 and EXYNOS5 SPI
  ARM: EXYNOS: Support DMA for EXYNOS5250 SoC
  ARM: EXYNOS: Add platform resource definitions for FIMC-LITE
  ARM: EXYNOS: add platform device for core DRM subsystem
  ARM: EXYNOS: add dts files to dtbs target
  spi/s3c64xx: Allow usage for ARCH_S3C24XX
  ARM: S3C24XX: Add HSSPI setup callback for s3c64xx-spi driver
  ARM: S3C24XX: Add clock-lookup entries required by s3c64xx-spi
  ARM: S3C24XX: Add map entries needed by the s3c64xx-spi devices
  ARM: S3C24XX: claim spi channels for hsspi in dma-s3c2443
  ARM: S3C24XX: Add forgotten clock lookup table to S3C2443

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2012-05-15 16:51:11 +02:00
commit 26625ddadb
24 changed files with 292 additions and 52 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
arch/arm/mach-exynos/Kconfig
View File

@ -61,6 +61,7 @@ config SOC_EXYNOS5250
bool "SAMSUNG EXYNOS5250"
default y
depends on ARCH_EXYNOS5
select SAMSUNG_DMADEV
help
Enable EXYNOS5250 SoC support
@ -70,7 +71,7 @@ config EXYNOS4_MCT
help
Use MCT (Multi Core Timer) as kernel timers
config EXYNOS4_DEV_DMA
config EXYNOS_DEV_DMA
bool
help
Compile in amba device definitions for DMA controller
@ -80,6 +81,11 @@ config EXYNOS4_DEV_AHCI
help
Compile in platform device definitions for AHCI
config EXYNOS_DEV_DRM
bool
help
Compile in platform device definitions for core DRM device
config EXYNOS4_SETUP_FIMD0
bool
help
@ -161,7 +167,7 @@ config EXYNOS4_SETUP_USB_PHY
help
Common setup code for USB PHY controller
config EXYNOS4_SETUP_SPI
config EXYNOS_SETUP_SPI
bool
help
Common setup code for SPI GPIO configurations.
@ -223,7 +229,7 @@ config MACH_ARMLEX4210
select S3C_DEV_HSMMC2
select S3C_DEV_HSMMC3
select EXYNOS4_DEV_AHCI
select EXYNOS4_DEV_DMA
select EXYNOS_DEV_DMA
select EXYNOS4_SETUP_SDHCI
help
Machine support for Samsung ARMLEX4210 based on EXYNOS4210
@ -350,7 +356,7 @@ config MACH_SMDK4212
select SAMSUNG_DEV_KEYPAD
select SAMSUNG_DEV_PWM
select EXYNOS_DEV_SYSMMU
select EXYNOS4_DEV_DMA
select EXYNOS_DEV_DMA
select EXYNOS4_SETUP_I2C1
select EXYNOS4_SETUP_I2C3
select EXYNOS4_SETUP_I2C7

7
arch/arm/mach-exynos/Makefile
View File

@ -50,10 +50,11 @@ obj-$(CONFIG_MACH_EXYNOS5_DT) += mach-exynos5-dt.o
obj-y += dev-uart.o
obj-$(CONFIG_ARCH_EXYNOS4) += dev-audio.o
obj-$(CONFIG_EXYNOS4_DEV_AHCI) += dev-ahci.o
obj-$(CONFIG_EXYNOS_DEV_SYSMMU) += dev-sysmmu.o
obj-$(CONFIG_EXYNOS4_DEV_DWMCI) += dev-dwmci.o
obj-$(CONFIG_EXYNOS4_DEV_DMA) += dma.o
obj-$(CONFIG_EXYNOS_DEV_DMA) += dma.o
obj-$(CONFIG_EXYNOS4_DEV_USB_OHCI) += dev-ohci.o
obj-$(CONFIG_EXYNOS_DEV_DRM) += dev-drm.o
obj-$(CONFIG_EXYNOS_DEV_SYSMMU) += dev-sysmmu.o
obj-$(CONFIG_ARCH_EXYNOS) += setup-i2c0.o
obj-$(CONFIG_EXYNOS4_SETUP_FIMC) += setup-fimc.o
@ -68,4 +69,4 @@ 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-$(CONFIG_EXYNOS4_SETUP_SPI) += setup-spi.o
obj-$(CONFIG_EXYNOS_SETUP_SPI) += setup-spi.o

3
arch/arm/mach-exynos/Makefile.boot
View File

@ -1,2 +1,5 @@
zreladdr-y += 0x40008000
params_phys-y := 0x40000100
dtb-$(CONFIG_MACH_EXYNOS4_DT) += exynos4210-origen.dtb exynos4210-smdkv310.dtb
dtb-$(CONFIG_MACH_EXYNOS5_DT) += exynos5250-smdk5250.dtb

10
arch/arm/mach-exynos/clock-exynos4212.c
View File

@ -92,6 +92,16 @@ static struct clk init_clocks_off[] = {
.devname = SYSMMU_CLOCK_DEVNAME(isp, 9),
.enable = exynos4212_clk_ip_isp1_ctrl,
.ctrlbit = (1 << 4),
}, {
.name = "flite",
.devname = "exynos-fimc-lite.0",
.enable = exynos4212_clk_ip_isp0_ctrl,
.ctrlbit = (1 << 4),
}, {
.name = "flite",
.devname = "exynos-fimc-lite.1",
.enable = exynos4212_clk_ip_isp0_ctrl,
.ctrlbit = (1 << 3),
}
};

29
arch/arm/mach-exynos/dev-drm.c Normal file
View File

@ -0,0 +1,29 @@
/*
* linux/arch/arm/mach-exynos/dev-drm.c
*
* Copyright (c) 2012 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* EXYNOS - core DRM device
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#include <linux/kernel.h>
#include <linux/dma-mapping.h>
#include <linux/platform_device.h>
#include <plat/devs.h>
static u64 exynos_drm_dma_mask = DMA_BIT_MASK(32);
struct platform_device exynos_device_drm = {
.name = "exynos-drm",
.dev = {
.dma_mask = &exynos_drm_dma_mask,
.coherent_dma_mask = DMA_BIT_MASK(32),
}
};

141
arch/arm/mach-exynos/dma.c
View File

@ -103,10 +103,45 @@ static u8 exynos4212_pdma0_peri[] = {
DMACH_MIPI_HSI5,
};
struct dma_pl330_platdata exynos4_pdma0_pdata;
static u8 exynos5250_pdma0_peri[] = {
DMACH_PCM0_RX,
DMACH_PCM0_TX,
DMACH_PCM2_RX,
DMACH_PCM2_TX,
DMACH_SPI0_RX,
DMACH_SPI0_TX,
DMACH_SPI2_RX,
DMACH_SPI2_TX,
DMACH_I2S0S_TX,
DMACH_I2S0_RX,
DMACH_I2S0_TX,
DMACH_I2S2_RX,
DMACH_I2S2_TX,
DMACH_UART0_RX,
DMACH_UART0_TX,
DMACH_UART2_RX,
DMACH_UART2_TX,
DMACH_UART4_RX,
DMACH_UART4_TX,
DMACH_SLIMBUS0_RX,
DMACH_SLIMBUS0_TX,
DMACH_SLIMBUS2_RX,
DMACH_SLIMBUS2_TX,
DMACH_SLIMBUS4_RX,
DMACH_SLIMBUS4_TX,
DMACH_AC97_MICIN,
DMACH_AC97_PCMIN,
DMACH_AC97_PCMOUT,
DMACH_MIPI_HSI0,
DMACH_MIPI_HSI2,
DMACH_MIPI_HSI4,
DMACH_MIPI_HSI6,
};
static AMBA_AHB_DEVICE(exynos4_pdma0, "dma-pl330.0", 0x00041330,
EXYNOS4_PA_PDMA0, {EXYNOS4_IRQ_PDMA0}, &exynos4_pdma0_pdata);
static struct dma_pl330_platdata exynos_pdma0_pdata;
static AMBA_AHB_DEVICE(exynos_pdma0, "dma-pl330.0", 0x00041330,
EXYNOS4_PA_PDMA0, {EXYNOS4_IRQ_PDMA0}, &exynos_pdma0_pdata);
static u8 exynos4210_pdma1_peri[] = {
DMACH_PCM0_RX,
@ -169,10 +204,45 @@ static u8 exynos4212_pdma1_peri[] = {
DMACH_MIPI_HSI7,
};
static struct dma_pl330_platdata exynos4_pdma1_pdata;
static u8 exynos5250_pdma1_peri[] = {
DMACH_PCM0_RX,
DMACH_PCM0_TX,
DMACH_PCM1_RX,
DMACH_PCM1_TX,
DMACH_SPI1_RX,
DMACH_SPI1_TX,
DMACH_PWM,
DMACH_SPDIF,
DMACH_I2S0S_TX,
DMACH_I2S0_RX,
DMACH_I2S0_TX,
DMACH_I2S1_RX,
DMACH_I2S1_TX,
DMACH_UART0_RX,
DMACH_UART0_TX,
DMACH_UART1_RX,
DMACH_UART1_TX,
DMACH_UART3_RX,
DMACH_UART3_TX,
DMACH_SLIMBUS1_RX,
DMACH_SLIMBUS1_TX,
DMACH_SLIMBUS3_RX,
DMACH_SLIMBUS3_TX,
DMACH_SLIMBUS5_RX,
DMACH_SLIMBUS5_TX,
DMACH_SLIMBUS0AUX_RX,
DMACH_SLIMBUS0AUX_TX,
DMACH_DISP1,
DMACH_MIPI_HSI1,
DMACH_MIPI_HSI3,
DMACH_MIPI_HSI5,
DMACH_MIPI_HSI7,
};
static AMBA_AHB_DEVICE(exynos4_pdma1, "dma-pl330.1", 0x00041330,
EXYNOS4_PA_PDMA1, {EXYNOS4_IRQ_PDMA1}, &exynos4_pdma1_pdata);
static struct dma_pl330_platdata exynos_pdma1_pdata;
static AMBA_AHB_DEVICE(exynos_pdma1, "dma-pl330.1", 0x00041330,
EXYNOS4_PA_PDMA1, {EXYNOS4_IRQ_PDMA1}, &exynos_pdma1_pdata);
static u8 mdma_peri[] = {
DMACH_MTOM_0,
@ -185,46 +255,63 @@ static u8 mdma_peri[] = {
DMACH_MTOM_7,
};
static struct dma_pl330_platdata exynos4_mdma1_pdata = {
static struct dma_pl330_platdata exynos_mdma1_pdata = {
.nr_valid_peri = ARRAY_SIZE(mdma_peri),
.peri_id = mdma_peri,
};
static AMBA_AHB_DEVICE(exynos4_mdma1, "dma-pl330.2", 0x00041330,
EXYNOS4_PA_MDMA1, {EXYNOS4_IRQ_MDMA1}, &exynos4_mdma1_pdata);
static AMBA_AHB_DEVICE(exynos_mdma1, "dma-pl330.2", 0x00041330,
EXYNOS4_PA_MDMA1, {EXYNOS4_IRQ_MDMA1}, &exynos_mdma1_pdata);
static int __init exynos4_dma_init(void)
static int __init exynos_dma_init(void)
{
if (of_have_populated_dt())
return 0;
if (soc_is_exynos4210()) {
exynos4_pdma0_pdata.nr_valid_peri =
exynos_pdma0_pdata.nr_valid_peri =
ARRAY_SIZE(exynos4210_pdma0_peri);
exynos4_pdma0_pdata.peri_id = exynos4210_pdma0_peri;
exynos4_pdma1_pdata.nr_valid_peri =
exynos_pdma0_pdata.peri_id = exynos4210_pdma0_peri;
exynos_pdma1_pdata.nr_valid_peri =
ARRAY_SIZE(exynos4210_pdma1_peri);
exynos4_pdma1_pdata.peri_id = exynos4210_pdma1_peri;
exynos_pdma1_pdata.peri_id = exynos4210_pdma1_peri;
} else if (soc_is_exynos4212() || soc_is_exynos4412()) {
exynos4_pdma0_pdata.nr_valid_peri =
exynos_pdma0_pdata.nr_valid_peri =
ARRAY_SIZE(exynos4212_pdma0_peri);
exynos4_pdma0_pdata.peri_id = exynos4212_pdma0_peri;
exynos4_pdma1_pdata.nr_valid_peri =
exynos_pdma0_pdata.peri_id = exynos4212_pdma0_peri;
exynos_pdma1_pdata.nr_valid_peri =
ARRAY_SIZE(exynos4212_pdma1_peri);
exynos4_pdma1_pdata.peri_id = exynos4212_pdma1_peri;
exynos_pdma1_pdata.peri_id = exynos4212_pdma1_peri;
} else if (soc_is_exynos5250()) {
exynos_pdma0_pdata.nr_valid_peri =
ARRAY_SIZE(exynos5250_pdma0_peri);
exynos_pdma0_pdata.peri_id = exynos5250_pdma0_peri;
exynos_pdma1_pdata.nr_valid_peri =
ARRAY_SIZE(exynos5250_pdma1_peri);
exynos_pdma1_pdata.peri_id = exynos5250_pdma1_peri;
exynos_pdma0_device.res.start = EXYNOS5_PA_PDMA0;
exynos_pdma0_device.res.end = EXYNOS5_PA_PDMA0 + SZ_4K;
exynos_pdma0_device.irq[0] = EXYNOS5_IRQ_PDMA0;
exynos_pdma1_device.res.start = EXYNOS5_PA_PDMA1;
exynos_pdma1_device.res.end = EXYNOS5_PA_PDMA1 + SZ_4K;
exynos_pdma0_device.irq[0] = EXYNOS5_IRQ_PDMA1;
exynos_mdma1_device.res.start = EXYNOS5_PA_MDMA1;
exynos_mdma1_device.res.end = EXYNOS5_PA_MDMA1 + SZ_4K;
exynos_pdma0_device.irq[0] = EXYNOS5_IRQ_MDMA1;
}
dma_cap_set(DMA_SLAVE, exynos4_pdma0_pdata.cap_mask);
dma_cap_set(DMA_CYCLIC, exynos4_pdma0_pdata.cap_mask);
amba_device_register(&exynos4_pdma0_device, &iomem_resource);
dma_cap_set(DMA_SLAVE, exynos_pdma0_pdata.cap_mask);
dma_cap_set(DMA_CYCLIC, exynos_pdma0_pdata.cap_mask);
amba_device_register(&exynos_pdma0_device, &iomem_resource);
dma_cap_set(DMA_SLAVE, exynos4_pdma1_pdata.cap_mask);
dma_cap_set(DMA_CYCLIC, exynos4_pdma1_pdata.cap_mask);
amba_device_register(&exynos4_pdma1_device, &iomem_resource);
dma_cap_set(DMA_SLAVE, exynos_pdma1_pdata.cap_mask);
dma_cap_set(DMA_CYCLIC, exynos_pdma1_pdata.cap_mask);
amba_device_register(&exynos_pdma1_device, &iomem_resource);
dma_cap_set(DMA_MEMCPY, exynos4_mdma1_pdata.cap_mask);
amba_device_register(&exynos4_mdma1_device, &iomem_resource);
dma_cap_set(DMA_MEMCPY, exynos_mdma1_pdata.cap_mask);
amba_device_register(&exynos_mdma1_device, &iomem_resource);
return 0;
}
arch_initcall(exynos4_dma_init);
arch_initcall(exynos_dma_init);

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

@ -34,6 +34,9 @@
#define EXYNOS4_PA_JPEG 0x11840000
/* x = 0...1 */
#define EXYNOS4_PA_FIMC_LITE(x) (0x12390000 + ((x) * 0x10000))
#define EXYNOS4_PA_G2D 0x12800000
#define EXYNOS4_PA_I2S0 0x03830000

10
arch/arm/mach-exynos/include/mach/regs-pmu.h
View File

@ -177,7 +177,7 @@
#define S5P_PMU_LCD1_CONF S5P_PMUREG(0x3CA0)
/* Only for EXYNOS4212 */
/* Only for EXYNOS4x12 */
#define S5P_ISP_ARM_LOWPWR S5P_PMUREG(0x1050)
#define S5P_DIS_IRQ_ISP_ARM_LOCAL_LOWPWR S5P_PMUREG(0x1054)
#define S5P_DIS_IRQ_ISP_ARM_CENTRAL_LOWPWR S5P_PMUREG(0x1058)
@ -218,4 +218,12 @@
#define S5P_SECSS_MEM_OPTION S5P_PMUREG(0x2EC8)
#define S5P_ROTATOR_MEM_OPTION S5P_PMUREG(0x2F48)
/* Only for EXYNOS4412 */
#define S5P_ARM_CORE2_LOWPWR S5P_PMUREG(0x1020)
#define S5P_DIS_IRQ_CORE2 S5P_PMUREG(0x1024)
#define S5P_DIS_IRQ_CENTRAL2 S5P_PMUREG(0x1028)
#define S5P_ARM_CORE3_LOWPWR S5P_PMUREG(0x1030)
#define S5P_DIS_IRQ_CORE3 S5P_PMUREG(0x1034)
#define S5P_DIS_IRQ_CENTRAL3 S5P_PMUREG(0x1038)
#endif /* __ASM_ARCH_REGS_PMU_H */

2
arch/arm/mach-exynos/include/mach/spi-clocks.h
View File

@ -11,6 +11,6 @@
#define __ASM_ARCH_SPI_CLKS_H __FILE__
/* Must source from SCLK_SPI */
#define EXYNOS4_SPI_SRCCLK_SCLK 0
#define EXYNOS_SPI_SRCCLK_SCLK 0
#endif /* __ASM_ARCH_SPI_CLKS_H */

2
arch/arm/mach-exynos/pm.c
View File

@ -313,7 +313,7 @@ static int exynos4_pm_suspend(void)
tmp &= ~S5P_CENTRAL_LOWPWR_CFG;
__raw_writel(tmp, S5P_CENTRAL_SEQ_CONFIGURATION);
if (soc_is_exynos4212()) {
if (soc_is_exynos4212() || soc_is_exynos4412()) {
tmp = __raw_readl(S5P_CENTRAL_SEQ_OPTION);
tmp &= ~(S5P_USE_STANDBYWFI_ISP_ARM |
S5P_USE_STANDBYWFE_ISP_ARM);

24
arch/arm/mach-exynos/pmu.c
View File

@ -94,7 +94,7 @@ static struct exynos4_pmu_conf exynos4210_pmu_config[] = {
{ PMU_TABLE_END,},
};
static struct exynos4_pmu_conf exynos4212_pmu_config[] = {
static struct exynos4_pmu_conf exynos4x12_pmu_config[] = {
{ S5P_ARM_CORE0_LOWPWR, { 0x0, 0x0, 0x2 } },
{ S5P_DIS_IRQ_CORE0, { 0x0, 0x0, 0x0 } },
{ S5P_DIS_IRQ_CENTRAL0, { 0x0, 0x0, 0x0 } },
@ -202,6 +202,16 @@ static struct exynos4_pmu_conf exynos4212_pmu_config[] = {
{ PMU_TABLE_END,},
};
static struct exynos4_pmu_conf exynos4412_pmu_config[] = {
{ S5P_ARM_CORE2_LOWPWR, { 0x0, 0x0, 0x2 } },
{ S5P_DIS_IRQ_CORE2, { 0x0, 0x0, 0x0 } },
{ S5P_DIS_IRQ_CENTRAL2, { 0x0, 0x0, 0x0 } },
{ S5P_ARM_CORE3_LOWPWR, { 0x0, 0x0, 0x2 } },
{ S5P_DIS_IRQ_CORE3, { 0x0, 0x0, 0x0 } },
{ S5P_DIS_IRQ_CENTRAL3, { 0x0, 0x0, 0x0 } },
{ PMU_TABLE_END,},
};
void exynos4_sys_powerdown_conf(enum sys_powerdown mode)
{
unsigned int i;
@ -209,6 +219,12 @@ void exynos4_sys_powerdown_conf(enum sys_powerdown mode)
for (i = 0; (exynos4_pmu_config[i].reg != PMU_TABLE_END) ; i++)
__raw_writel(exynos4_pmu_config[i].val[mode],
exynos4_pmu_config[i].reg);
if (soc_is_exynos4412()) {
for (i = 0; exynos4412_pmu_config[i].reg != PMU_TABLE_END ; i++)
__raw_writel(exynos4412_pmu_config[i].val[mode],
exynos4412_pmu_config[i].reg);
}
}
static int __init exynos4_pmu_init(void)
@ -218,9 +234,9 @@ static int __init exynos4_pmu_init(void)
if (soc_is_exynos4210()) {
exynos4_pmu_config = exynos4210_pmu_config;
pr_info("EXYNOS4210 PMU Initialize\n");
} else if (soc_is_exynos4212()) {
exynos4_pmu_config = exynos4212_pmu_config;
pr_info("EXYNOS4212 PMU Initialize\n");
} else if (soc_is_exynos4212() || soc_is_exynos4412()) {
exynos4_pmu_config = exynos4x12_pmu_config;
pr_info("EXYNOS4x12 PMU Initialize\n");
} else {
pr_info("EXYNOS4: PMU not supported\n");
}

5
arch/arm/mach-s3c24xx/Kconfig
View File

@ -518,6 +518,11 @@ config S3C2443_DMA
help
Internal config node for S3C2443 DMA support
config S3C2443_SETUP_SPI
bool
help
Common setup code for SPI GPIO configurations
endif # CPU_S3C2443 || CPU_S3C2416
if CPU_S3C2443

1
arch/arm/mach-s3c24xx/Makefile
View File

@ -91,5 +91,6 @@ obj-$(CONFIG_MACH_OSIRIS_DVS) += mach-osiris-dvs.o
# device setup
obj-$(CONFIG_S3C2416_SETUP_SDHCI_GPIO) += setup-sdhci-gpio.o
obj-$(CONFIG_S3C2443_SETUP_SPI) += setup-spi.o
obj-$(CONFIG_ARCH_S3C24XX) += setup-i2c.o
obj-$(CONFIG_S3C24XX_SETUP_TS) += setup-ts.o

1
arch/arm/mach-s3c24xx/clock-s3c2416.c
View File

@ -144,6 +144,7 @@ static struct clk_lookup s3c2416_clk_lookup[] = {
CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.0", &hsmmc0_clk),
CLKDEV_INIT("s3c-sdhci.0", "mmc_busclk.2", &hsmmc_mux0.clk),
CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.2", &hsmmc_mux1.clk),
CLKDEV_INIT("s3c64xx-spi.0", "spi_busclk2", &hsspi_mux.clk),
};
void __init s3c2416_init_clocks(int xtal)

6
arch/arm/mach-s3c24xx/clock-s3c2443.c
View File

@ -179,6 +179,11 @@ static struct clk *clks[] __initdata = {
&clk_hsmmc,
};
static struct clk_lookup s3c2443_clk_lookup[] = {
CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.2", &clk_hsmmc),
CLKDEV_INIT("s3c64xx-spi.0", "spi_busclk2", &clk_hsspi.clk),
};
void __init s3c2443_init_clocks(int xtal)
{
unsigned long epllcon = __raw_readl(S3C2443_EPLLCON);
@ -210,6 +215,7 @@ void __init s3c2443_init_clocks(int xtal)
s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
clkdev_add_table(s3c2443_clk_lookup, ARRAY_SIZE(s3c2443_clk_lookup));
s3c_pwmclk_init();
}

15
arch/arm/mach-s3c24xx/common-s3c2443.c
View File

@ -423,11 +423,6 @@ static struct clk init_clocks_off[] = {
.parent = &clk_p,
.enable = s3c2443_clkcon_enable_p,
.ctrlbit = S3C2443_PCLKCON_IIS,
}, {
.name = "hsspi",
.parent = &clk_p,
.enable = s3c2443_clkcon_enable_p,
.ctrlbit = S3C2443_PCLKCON_HSSPI,
}, {
.name = "adc",
.parent = &clk_p,
@ -562,6 +557,14 @@ static struct clk hsmmc1_clk = {
.ctrlbit = S3C2443_HCLKCON_HSMMC,
};
static struct clk hsspi_clk = {
.name = "spi",
.devname = "s3c64xx-spi.0",
.parent = &clk_p,
.enable = s3c2443_clkcon_enable_p,
.ctrlbit = S3C2443_PCLKCON_HSSPI,
};
/* EPLLCON compatible enough to get on/off information */
void __init_or_cpufreq s3c2443_common_setup_clocks(pll_fn get_mpll)
@ -612,6 +615,7 @@ static struct clk *clks[] __initdata = {
&clk_usb_bus,
&clk_armdiv,
&hsmmc1_clk,
&hsspi_clk,
};
static struct clksrc_clk *clksrcs[] __initdata = {
@ -629,6 +633,7 @@ static struct clk_lookup s3c2443_clk_lookup[] = {
CLKDEV_INIT(NULL, "clk_uart_baud2", &clk_p),
CLKDEV_INIT(NULL, "clk_uart_baud3", &clk_esys_uart.clk),
CLKDEV_INIT("s3c-sdhci.1", "mmc_busclk.0", &hsmmc1_clk),
CLKDEV_INIT("s3c64xx-spi.0", "spi_busclk0", &hsspi_clk),
};
void __init s3c2443_common_init_clocks(int xtal, pll_fn get_mpll,

16
arch/arm/mach-s3c24xx/dma-s3c2443.c
View File

@ -55,12 +55,20 @@ static struct s3c24xx_dma_map __initdata s3c2443_dma_mappings[] = {
.name = "sdi",
.channels = MAP(S3C2443_DMAREQSEL_SDI),
},
[DMACH_SPI0] = {
.name = "spi0",
[DMACH_SPI0_RX] = {
.name = "spi0-rx",
.channels = MAP(S3C2443_DMAREQSEL_SPI0RX),
},
[DMACH_SPI0_TX] = {
.name = "spi0-tx",
.channels = MAP(S3C2443_DMAREQSEL_SPI0TX),
},
[DMACH_SPI1] = { /* only on S3C2443/S3C2450 */
.name = "spi1",
[DMACH_SPI1_RX] = { /* only on S3C2443/S3C2450 */
.name = "spi1-rx",
.channels = MAP(S3C2443_DMAREQSEL_SPI1RX),
},
[DMACH_SPI1_TX] = { /* only on S3C2443/S3C2450 */
.name = "spi1-tx",
.channels = MAP(S3C2443_DMAREQSEL_SPI1TX),
},
[DMACH_UART0] = {

4
arch/arm/mach-s3c24xx/include/mach/dma.h
View File

@ -47,6 +47,10 @@ enum dma_ch {
DMACH_UART2_SRC2,
DMACH_UART3, /* s3c2443 has extra uart */
DMACH_UART3_SRC2,
DMACH_SPI0_TX, /* s3c2443/2416/2450 hsspi0 */
DMACH_SPI0_RX, /* s3c2443/2416/2450 hsspi0 */
DMACH_SPI1_TX, /* s3c2443/2450 hsspi1 */
DMACH_SPI1_RX, /* s3c2443/2450 hsspi1 */
DMACH_MAX, /* the end entry */
};

5
arch/arm/mach-s3c24xx/include/mach/map.h
View File

@ -98,6 +98,8 @@
/* SPI */
#define S3C2410_PA_SPI (0x59000000)
#define S3C2443_PA_SPI0 (0x52000000)
#define S3C2443_PA_SPI1 S3C2410_PA_SPI
/* SDI */
#define S3C2410_PA_SDI (0x5A000000)
@ -162,4 +164,7 @@
#define S3C_PA_WDT S3C2410_PA_WATCHDOG
#define S3C_PA_NAND S3C24XX_PA_NAND
#define S3C_PA_SPI0 S3C2443_PA_SPI0
#define S3C_PA_SPI1 S3C2443_PA_SPI1
#endif /* __ASM_ARCH_MAP_H */

39
arch/arm/mach-s3c24xx/setup-spi.c Normal file
View File

@ -0,0 +1,39 @@
/*
* HS-SPI device setup for S3C2443/S3C2416
*
* 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>
#include <mach/hardware.h>
#include <mach/regs-gpio.h>
#ifdef CONFIG_S3C64XX_DEV_SPI0
struct s3c64xx_spi_info s3c64xx_spi0_pdata __initdata = {
.fifo_lvl_mask = 0x7f,
.rx_lvl_offset = 13,
.tx_st_done = 21,
.high_speed = 1,
};
int s3c64xx_spi0_cfg_gpio(struct platform_device *pdev)
{
/* enable hsspi bit in misccr */
s3c2410_modify_misccr(S3C2416_MISCCR_HSSPI_EN2, 1);
s3c_gpio_cfgall_range(S3C2410_GPE(11), 3,
S3C_GPIO_SFN(2), S3C_GPIO_PULL_UP);
return 0;
}
#endif

2
arch/arm/plat-samsung/Kconfig
View File

@ -291,7 +291,7 @@ config S3C_DMA
config SAMSUNG_DMADEV
bool
select DMADEVICES
select PL330_DMA if (CPU_EXYNOS4210 || CPU_S5PV210 || CPU_S5PC100 || \
select PL330_DMA if (ARCH_EXYNOS5 || ARCH_EXYNOS4 || CPU_S5PV210 || CPU_S5PC100 || \
CPU_S5P6450 || CPU_S5P6440)
select ARM_AMBA
help

2
arch/arm/plat-samsung/include/plat/devs.h
View File

@ -134,6 +134,8 @@ extern struct platform_device exynos4_device_pcm2;
extern struct platform_device exynos4_device_pd[];
extern struct platform_device exynos4_device_spdif;
extern struct platform_device exynos_device_drm;
extern struct platform_device samsung_asoc_dma;
extern struct platform_device samsung_asoc_idma;
extern struct platform_device samsung_device_keypad;

1
arch/arm/plat-samsung/include/plat/dma-pl330.h
View File

@ -90,6 +90,7 @@ enum dma_ch {
DMACH_MIPI_HSI5,
DMACH_MIPI_HSI6,
DMACH_MIPI_HSI7,
DMACH_DISP1,
DMACH_MTOM_0,
DMACH_MTOM_1,
DMACH_MTOM_2,

2
drivers/spi/Kconfig
View File

@ -311,7 +311,7 @@ config SPI_S3C24XX_FIQ
config SPI_S3C64XX
tristate "Samsung S3C64XX series type SPI"
depends on (ARCH_S3C64XX || ARCH_S5P64X0 || ARCH_EXYNOS)
depends on (ARCH_S3C24XX || ARCH_S3C64XX || ARCH_S5P64X0 || ARCH_EXYNOS)
select S3C64XX_DMA if ARCH_S3C64XX
help
SPI driver for Samsung S3C64XX and newer SoCs.