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-rw-r--r--arch/arm/mach-s5p6440/Kconfig4
-rw-r--r--arch/arm/mach-s5p6440/Makefile1
-rw-r--r--arch/arm/mach-s5p6440/cpu.c1
-rw-r--r--arch/arm/mach-s5p6440/dev-spi.c176
-rw-r--r--arch/arm/mach-s5p6440/gpio.c15
-rw-r--r--arch/arm/mach-s5p6440/include/mach/map.h8
-rw-r--r--arch/arm/mach-s5p6440/include/mach/spi-clocks.h17
-rw-r--r--arch/arm/mach-s5p6440/mach-smdk6440.c13
8 files changed, 235 insertions, 0 deletions
diff --git a/arch/arm/mach-s5p6440/Kconfig b/arch/arm/mach-s5p6440/Kconfig
index 77aeffd1733..f066fae07c5 100644
--- a/arch/arm/mach-s5p6440/Kconfig
+++ b/arch/arm/mach-s5p6440/Kconfig
@@ -16,6 +16,10 @@ config CPU_S5P6440
config MACH_SMDK6440
bool "SMDK6440"
select CPU_S5P6440
+ select SAMSUNG_DEV_TS
+ select SAMSUNG_DEV_ADC
+ select S3C_DEV_WDT
+ select HAVE_S3C2410_WATCHDOG
help
Machine support for the Samsung SMDK6440
diff --git a/arch/arm/mach-s5p6440/Makefile b/arch/arm/mach-s5p6440/Makefile
index 44facf43d59..be3c53aab23 100644
--- a/arch/arm/mach-s5p6440/Makefile
+++ b/arch/arm/mach-s5p6440/Makefile
@@ -21,3 +21,4 @@ obj-$(CONFIG_MACH_SMDK6440) += mach-smdk6440.o
# device support
obj-y += dev-audio.o
+obj-$(CONFIG_S3C64XX_DEV_SPI) += dev-spi.o
diff --git a/arch/arm/mach-s5p6440/cpu.c b/arch/arm/mach-s5p6440/cpu.c
index ca3b3206e6f..b2fe6a58155 100644
--- a/arch/arm/mach-s5p6440/cpu.c
+++ b/arch/arm/mach-s5p6440/cpu.c
@@ -61,6 +61,7 @@ static void s5p6440_idle(void)
void __init s5p6440_map_io(void)
{
/* initialize any device information early */
+ s3c_device_adc.name = "s3c64xx-adc";
}
void __init s5p6440_init_clocks(int xtal)
diff --git a/arch/arm/mach-s5p6440/dev-spi.c b/arch/arm/mach-s5p6440/dev-spi.c
new file mode 100644
index 00000000000..0a30280019c
--- /dev/null
+++ b/arch/arm/mach-s5p6440/dev-spi.c
@@ -0,0 +1,176 @@
+/* linux/arch/arm/mach-s5p6440/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 <mach/dma.h>
+#include <mach/map.h>
+#include <mach/irqs.h>
+#include <mach/gpio.h>
+#include <mach/spi-clocks.h>
+
+#include <plat/s3c64xx-spi.h>
+#include <plat/gpio-cfg.h>
+
+static char *spi_src_clks[] = {
+ [S5P6440_SPI_SRCCLK_PCLK] = "pclk",
+ [S5P6440_SPI_SRCCLK_SCLK] = "spi_epll",
+};
+
+/* 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)
+{
+ switch (pdev->id) {
+ case 0:
+ s3c_gpio_cfgpin(S5P6440_GPC(0), S3C_GPIO_SFN(2));
+ s3c_gpio_cfgpin(S5P6440_GPC(1), S3C_GPIO_SFN(2));
+ s3c_gpio_cfgpin(S5P6440_GPC(2), S3C_GPIO_SFN(2));
+ s3c_gpio_setpull(S5P6440_GPC(0), S3C_GPIO_PULL_UP);
+ s3c_gpio_setpull(S5P6440_GPC(1), S3C_GPIO_PULL_UP);
+ s3c_gpio_setpull(S5P6440_GPC(2), S3C_GPIO_PULL_UP);
+ break;
+
+ case 1:
+ s3c_gpio_cfgpin(S5P6440_GPC(4), S3C_GPIO_SFN(2));
+ s3c_gpio_cfgpin(S5P6440_GPC(5), S3C_GPIO_SFN(2));
+ s3c_gpio_cfgpin(S5P6440_GPC(6), S3C_GPIO_SFN(2));
+ s3c_gpio_setpull(S5P6440_GPC(4), S3C_GPIO_PULL_UP);
+ s3c_gpio_setpull(S5P6440_GPC(5), S3C_GPIO_PULL_UP);
+ s3c_gpio_setpull(S5P6440_GPC(6), S3C_GPIO_PULL_UP);
+ break;
+
+ default:
+ dev_err(&pdev->dev, "Invalid SPI Controller number!");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static struct resource s5p6440_spi0_resource[] = {
+ [0] = {
+ .start = S5P6440_PA_SPI0,
+ .end = S5P6440_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,
+};
+
+static u64 spi_dmamask = DMA_BIT_MASK(32);
+
+struct platform_device s5p6440_device_spi0 = {
+ .name = "s3c64xx-spi",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(s5p6440_spi0_resource),
+ .resource = s5p6440_spi0_resource,
+ .dev = {
+ .dma_mask = &spi_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = &s5p6440_spi0_pdata,
+ },
+};
+
+static struct resource s5p6440_spi1_resource[] = {
+ [0] = {
+ .start = S5P6440_PA_SPI1,
+ .end = S5P6440_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,
+};
+
+struct platform_device s5p6440_device_spi1 = {
+ .name = "s3c64xx-spi",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(s5p6440_spi1_resource),
+ .resource = s5p6440_spi1_resource,
+ .dev = {
+ .dma_mask = &spi_dmamask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ .platform_data = &s5p6440_spi1_pdata,
+ },
+};
+
+void __init s5p6440_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 > S5P6440_SPI_SRCCLK_SCLK) {
+ printk(KERN_ERR "%s: Invalid SPI configuration\n", __func__);
+ return;
+ }
+
+ switch (cntrlr) {
+ case 0:
+ pd = &s5p6440_spi0_pdata;
+ break;
+ case 1:
+ pd = &s5p6440_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;
+ pd->src_clk_name = spi_src_clks[src_clk_nr];
+}
diff --git a/arch/arm/mach-s5p6440/gpio.c b/arch/arm/mach-s5p6440/gpio.c
index 262dc75d5be..92efc05b1ba 100644
--- a/arch/arm/mach-s5p6440/gpio.c
+++ b/arch/arm/mach-s5p6440/gpio.c
@@ -46,6 +46,7 @@ static int s5p6440_gpiolib_rbank_4bit2_input(struct gpio_chip *chip,
void __iomem *base = ourchip->base;
void __iomem *regcon = base;
unsigned long con;
+ unsigned long flags;
switch (offset) {
case 6:
@@ -63,10 +64,14 @@ static int s5p6440_gpiolib_rbank_4bit2_input(struct gpio_chip *chip,
break;
}
+ s3c_gpio_lock(ourchip, flags);
+
con = __raw_readl(regcon);
con &= ~(0xf << con_4bit_shift(offset));
__raw_writel(con, regcon);
+ s3c_gpio_unlock(ourchip, flags);
+
return 0;
}
@@ -78,6 +83,7 @@ static int s5p6440_gpiolib_rbank_4bit2_output(struct gpio_chip *chip,
void __iomem *regcon = base;
unsigned long con;
unsigned long dat;
+ unsigned long flags;
unsigned con_offset = offset;
switch (con_offset) {
@@ -96,6 +102,8 @@ static int s5p6440_gpiolib_rbank_4bit2_output(struct gpio_chip *chip,
break;
}
+ s3c_gpio_lock(ourchip, flags);
+
con = __raw_readl(regcon);
con &= ~(0xf << con_4bit_shift(con_offset));
con |= 0x1 << con_4bit_shift(con_offset);
@@ -109,6 +117,8 @@ static int s5p6440_gpiolib_rbank_4bit2_output(struct gpio_chip *chip,
__raw_writel(con, regcon);
__raw_writel(dat, base + GPIODAT_OFF);
+ s3c_gpio_unlock(ourchip, flags);
+
return 0;
}
@@ -117,6 +127,7 @@ int s5p6440_gpio_setcfg_4bit_rbank(struct s3c_gpio_chip *chip,
{
void __iomem *reg = chip->base;
unsigned int shift;
+ unsigned long flags;
u32 con;
switch (off) {
@@ -142,11 +153,15 @@ int s5p6440_gpio_setcfg_4bit_rbank(struct s3c_gpio_chip *chip,
cfg <<= shift;
}
+ s3c_gpio_lock(chip, flags);
+
con = __raw_readl(reg);
con &= ~(0xf << shift);
con |= cfg;
__raw_writel(con, reg);
+ s3c_gpio_unlock(chip, flags);
+
return 0;
}
diff --git a/arch/arm/mach-s5p6440/include/mach/map.h b/arch/arm/mach-s5p6440/include/mach/map.h
index 72aedadd412..44011b91fbd 100644
--- a/arch/arm/mach-s5p6440/include/mach/map.h
+++ b/arch/arm/mach-s5p6440/include/mach/map.h
@@ -54,6 +54,9 @@
#define S5P6440_PA_IIC0 (0xEC104000)
+#define S5P6440_PA_SPI0 0xEC400000
+#define S5P6440_PA_SPI1 0xEC500000
+
#define S5P6440_PA_HSOTG (0xED100000)
#define S5P6440_PA_HSMMC0 (0xED800000)
@@ -69,8 +72,13 @@
/* PCM */
#define S5P6440_PA_PCM 0xF2100000
+#define S5P6440_PA_ADC (0xF3000000)
+
/* compatibiltiy defines. */
#define S3C_PA_UART S5P6440_PA_UART
#define S3C_PA_IIC S5P6440_PA_IIC0
+#define S3C_PA_WDT S5P6440_PA_WDT
+
+#define SAMSUNG_PA_ADC S5P6440_PA_ADC
#endif /* __ASM_ARCH_MAP_H */
diff --git a/arch/arm/mach-s5p6440/include/mach/spi-clocks.h b/arch/arm/mach-s5p6440/include/mach/spi-clocks.h
new file mode 100644
index 00000000000..5fbca50d1cf
--- /dev/null
+++ b/arch/arm/mach-s5p6440/include/mach/spi-clocks.h
@@ -0,0 +1,17 @@
+/* linux/arch/arm/mach-s5p6440/include/mach/spi-clocks.h
+ *
+ * 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.
+ */
+
+#ifndef __S5P6440_PLAT_SPI_CLKS_H
+#define __S5P6440_PLAT_SPI_CLKS_H __FILE__
+
+#define S5P6440_SPI_SRCCLK_PCLK 0
+#define S5P6440_SPI_SRCCLK_SCLK 1
+
+#endif /* __S5P6440_PLAT_SPI_CLKS_H */
diff --git a/arch/arm/mach-s5p6440/mach-smdk6440.c b/arch/arm/mach-s5p6440/mach-smdk6440.c
index d7fede971ca..8291fecc701 100644
--- a/arch/arm/mach-s5p6440/mach-smdk6440.c
+++ b/arch/arm/mach-s5p6440/mach-smdk6440.c
@@ -38,6 +38,8 @@
#include <plat/devs.h>
#include <plat/cpu.h>
#include <plat/pll.h>
+#include <plat/adc.h>
+#include <plat/ts.h>
#define S5P6440_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \
S3C2410_UCON_RXILEVEL | \
@@ -85,6 +87,15 @@ static struct s3c2410_uartcfg smdk6440_uartcfgs[] __initdata = {
static struct platform_device *smdk6440_devices[] __initdata = {
&s5p6440_device_iis,
+ &s3c_device_adc,
+ &s3c_device_ts,
+ &s3c_device_wdt,
+};
+
+static struct s3c2410_ts_mach_info s3c_ts_platform __initdata = {
+ .delay = 10000,
+ .presc = 49,
+ .oversampling_shift = 2,
};
static void __init smdk6440_map_io(void)
@@ -96,6 +107,8 @@ static void __init smdk6440_map_io(void)
static void __init smdk6440_machine_init(void)
{
+ s3c24xx_ts_set_platdata(&s3c_ts_platform);
+
platform_add_devices(smdk6440_devices, ARRAY_SIZE(smdk6440_devices));
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-11 19:43:30 +0000