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-rw-r--r--arch/arm/plat-samsung/Kconfig6
-rw-r--r--arch/arm/plat-samsung/Makefile1
-rw-r--r--arch/arm/plat-samsung/adc.c48
-rw-r--r--arch/arm/plat-samsung/clock.c75
-rw-r--r--arch/arm/plat-samsung/devs.c14
-rw-r--r--arch/arm/plat-samsung/include/plat/cpu.h8
-rw-r--r--arch/arm/plat-samsung/include/plat/devs.h4
-rw-r--r--arch/arm/plat-samsung/include/plat/gpio-core.h7
-rw-r--r--arch/arm/plat-samsung/include/plat/mfc.h11
-rw-r--r--arch/arm/plat-samsung/include/plat/pm.h2
-rw-r--r--arch/arm/plat-samsung/s5p-dev-mfc.c34
-rw-r--r--arch/arm/plat-samsung/s5p-irq-gpioint.c8
-rw-r--r--arch/arm/plat-samsung/setup-camif.c70
13 files changed, 232 insertions, 56 deletions
diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
index 59401e1cc53..a9d52167e16 100644
--- a/arch/arm/plat-samsung/Kconfig
+++ b/arch/arm/plat-samsung/Kconfig
@@ -414,6 +414,11 @@ config S5P_SETUP_MIPIPHY
help
Compile in common setup code for MIPI-CSIS and MIPI-DSIM devices
+config S3C_SETUP_CAMIF
+ bool
+ help
+ Compile in common setup code for S3C CAMIF devices
+
# DMA
config S3C_DMA
@@ -502,5 +507,6 @@ config DEBUG_S3C_UART
default "0" if DEBUG_S3C_UART0
default "1" if DEBUG_S3C_UART1
default "2" if DEBUG_S3C_UART2
+ default "3" if DEBUG_S3C_UART3
endif
diff --git a/arch/arm/plat-samsung/Makefile b/arch/arm/plat-samsung/Makefile
index 9e40e8d0074..3a7c64d1814 100644
--- a/arch/arm/plat-samsung/Makefile
+++ b/arch/arm/plat-samsung/Makefile
@@ -41,6 +41,7 @@ obj-$(CONFIG_S5P_DEV_UART) += s5p-dev-uart.o
obj-$(CONFIG_SAMSUNG_DEV_BACKLIGHT) += dev-backlight.o
+obj-$(CONFIG_S3C_SETUP_CAMIF) += setup-camif.o
obj-$(CONFIG_S5P_SETUP_MIPIPHY) += setup-mipiphy.o
# DMA support
diff --git a/arch/arm/plat-samsung/adc.c b/arch/arm/plat-samsung/adc.c
index b1e05ccff3a..37542c2689a 100644
--- a/arch/arm/plat-samsung/adc.c
+++ b/arch/arm/plat-samsung/adc.c
@@ -344,7 +344,7 @@ static int s3c_adc_probe(struct platform_device *pdev)
int ret;
unsigned tmp;
- adc = kzalloc(sizeof(struct adc_device), GFP_KERNEL);
+ adc = devm_kzalloc(dev, sizeof(struct adc_device), GFP_KERNEL);
if (adc == NULL) {
dev_err(dev, "failed to allocate adc_device\n");
return -ENOMEM;
@@ -355,50 +355,46 @@ static int s3c_adc_probe(struct platform_device *pdev)
adc->pdev = pdev;
adc->prescale = S3C2410_ADCCON_PRSCVL(49);
- adc->vdd = regulator_get(dev, "vdd");
+ adc->vdd = devm_regulator_get(dev, "vdd");
if (IS_ERR(adc->vdd)) {
dev_err(dev, "operating without regulator \"vdd\" .\n");
- ret = PTR_ERR(adc->vdd);
- goto err_alloc;
+ return PTR_ERR(adc->vdd);
}
adc->irq = platform_get_irq(pdev, 1);
if (adc->irq <= 0) {
dev_err(dev, "failed to get adc irq\n");
- ret = -ENOENT;
- goto err_reg;
+ return -ENOENT;
}
- ret = request_irq(adc->irq, s3c_adc_irq, 0, dev_name(dev), adc);
+ ret = devm_request_irq(dev, adc->irq, s3c_adc_irq, 0, dev_name(dev),
+ adc);
if (ret < 0) {
dev_err(dev, "failed to attach adc irq\n");
- goto err_reg;
+ return ret;
}
- adc->clk = clk_get(dev, "adc");
+ adc->clk = devm_clk_get(dev, "adc");
if (IS_ERR(adc->clk)) {
dev_err(dev, "failed to get adc clock\n");
- ret = PTR_ERR(adc->clk);
- goto err_irq;
+ return PTR_ERR(adc->clk);
}
regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!regs) {
dev_err(dev, "failed to find registers\n");
- ret = -ENXIO;
- goto err_clk;
+ return -ENXIO;
}
- adc->regs = ioremap(regs->start, resource_size(regs));
+ adc->regs = devm_request_and_ioremap(dev, regs);
if (!adc->regs) {
dev_err(dev, "failed to map registers\n");
- ret = -ENXIO;
- goto err_clk;
+ return -ENXIO;
}
ret = regulator_enable(adc->vdd);
if (ret)
- goto err_ioremap;
+ return ret;
clk_enable(adc->clk);
@@ -418,32 +414,14 @@ static int s3c_adc_probe(struct platform_device *pdev)
adc_dev = adc;
return 0;
-
- err_ioremap:
- iounmap(adc->regs);
- err_clk:
- clk_put(adc->clk);
-
- err_irq:
- free_irq(adc->irq, adc);
- err_reg:
- regulator_put(adc->vdd);
- err_alloc:
- kfree(adc);
- return ret;
}
static int __devexit s3c_adc_remove(struct platform_device *pdev)
{
struct adc_device *adc = platform_get_drvdata(pdev);
- iounmap(adc->regs);
- free_irq(adc->irq, adc);
clk_disable(adc->clk);
regulator_disable(adc->vdd);
- regulator_put(adc->vdd);
- clk_put(adc->clk);
- kfree(adc);
return 0;
}
diff --git a/arch/arm/plat-samsung/clock.c b/arch/arm/plat-samsung/clock.c
index 012bbd0b8d8..47c9fad43f0 100644
--- a/arch/arm/plat-samsung/clock.c
+++ b/arch/arm/plat-samsung/clock.c
@@ -389,6 +389,72 @@ int __init s3c24xx_register_baseclocks(unsigned long xtal)
static struct dentry *clk_debugfs_root;
+static void clock_tree_show_one(struct seq_file *s, struct clk *c, int level)
+{
+ struct clk *child;
+ const char *state;
+ char buf[255] = { 0 };
+ int n = 0;
+
+ if (c->name)
+ n = snprintf(buf, sizeof(buf) - 1, "%s", c->name);
+
+ if (c->devname)
+ n += snprintf(buf + n, sizeof(buf) - 1 - n, ":%s", c->devname);
+
+ state = (c->usage > 0) ? "on" : "off";
+
+ seq_printf(s, "%*s%-*s %-6s %-3d %-10lu\n",
+ level * 3 + 1, "",
+ 50 - level * 3, buf,
+ state, c->usage, clk_get_rate(c));
+
+ list_for_each_entry(child, &clocks, list) {
+ if (child->parent != c)
+ continue;
+
+ clock_tree_show_one(s, child, level + 1);
+ }
+}
+
+static int clock_tree_show(struct seq_file *s, void *data)
+{
+ struct clk *c;
+ unsigned long flags;
+
+ seq_printf(s, " clock state ref rate\n");
+ seq_printf(s, "----------------------------------------------------\n");
+
+ spin_lock_irqsave(&clocks_lock, flags);
+
+ list_for_each_entry(c, &clocks, list)
+ if (c->parent == NULL)
+ clock_tree_show_one(s, c, 0);
+
+ spin_unlock_irqrestore(&clocks_lock, flags);
+ return 0;
+}
+
+static int clock_tree_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, clock_tree_show, inode->i_private);
+}
+
+static const struct file_operations clock_tree_fops = {
+ .open = clock_tree_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int clock_rate_show(void *data, u64 *val)
+{
+ struct clk *c = data;
+ *val = clk_get_rate(c);
+ return 0;
+}
+DEFINE_SIMPLE_ATTRIBUTE(clock_rate_fops, clock_rate_show, NULL, "%llu\n");
+
static int clk_debugfs_register_one(struct clk *c)
{
int err;
@@ -411,7 +477,7 @@ static int clk_debugfs_register_one(struct clk *c)
goto err_out;
}
- d = debugfs_create_u32("rate", S_IRUGO, c->dent, (u32 *)&c->rate);
+ d = debugfs_create_file("rate", S_IRUGO, c->dent, c, &clock_rate_fops);
if (!d) {
err = -ENOMEM;
goto err_out;
@@ -446,13 +512,18 @@ static int __init clk_debugfs_init(void)
{
struct clk *c;
struct dentry *d;
- int err;
+ int err = -ENOMEM;
d = debugfs_create_dir("clock", NULL);
if (!d)
return -ENOMEM;
clk_debugfs_root = d;
+ d = debugfs_create_file("clock_tree", S_IRUGO, clk_debugfs_root, NULL,
+ &clock_tree_fops);
+ if (!d)
+ goto err_out;
+
list_for_each_entry(c, &clocks, list) {
err = clk_debugfs_register(c);
if (err)
diff --git a/arch/arm/plat-samsung/devs.c b/arch/arm/plat-samsung/devs.c
index 03f654d55ef..51afedda9ab 100644
--- a/arch/arm/plat-samsung/devs.c
+++ b/arch/arm/plat-samsung/devs.c
@@ -146,15 +146,6 @@ struct platform_device s3c_device_camif = {
/* ASOC DMA */
-struct platform_device samsung_asoc_dma = {
- .name = "samsung-audio",
- .id = -1,
- .dev = {
- .dma_mask = &samsung_device_dma_mask,
- .coherent_dma_mask = DMA_BIT_MASK(32),
- }
-};
-
struct platform_device samsung_asoc_idma = {
.name = "samsung-idma",
.id = -1,
@@ -486,11 +477,7 @@ static struct resource s3c_i2c0_resource[] = {
struct platform_device s3c_device_i2c0 = {
.name = "s3c2410-i2c",
-#ifdef CONFIG_S3C_DEV_I2C1
.id = 0,
-#else
- .id = -1,
-#endif
.num_resources = ARRAY_SIZE(s3c_i2c0_resource),
.resource = s3c_i2c0_resource,
};
@@ -933,6 +920,7 @@ struct platform_device s5p_device_mfc_r = {
.coherent_dma_mask = DMA_BIT_MASK(32),
},
};
+
#endif /* CONFIG_S5P_DEV_MFC */
/* MIPI CSIS */
diff --git a/arch/arm/plat-samsung/include/plat/cpu.h b/arch/arm/plat-samsung/include/plat/cpu.h
index ace4451b765..e0072ce8d6e 100644
--- a/arch/arm/plat-samsung/include/plat/cpu.h
+++ b/arch/arm/plat-samsung/include/plat/cpu.h
@@ -43,6 +43,7 @@ extern unsigned long samsung_cpu_id;
#define EXYNOS4_CPU_MASK 0xFFFE0000
#define EXYNOS5250_SOC_ID 0x43520000
+#define EXYNOS5440_SOC_ID 0x54400000
#define EXYNOS5_SOC_MASK 0xFFFFF000
#define IS_SAMSUNG_CPU(name, id, mask) \
@@ -62,6 +63,7 @@ IS_SAMSUNG_CPU(exynos4210, EXYNOS4210_CPU_ID, EXYNOS4_CPU_MASK)
IS_SAMSUNG_CPU(exynos4212, EXYNOS4212_CPU_ID, EXYNOS4_CPU_MASK)
IS_SAMSUNG_CPU(exynos4412, EXYNOS4412_CPU_ID, EXYNOS4_CPU_MASK)
IS_SAMSUNG_CPU(exynos5250, EXYNOS5250_SOC_ID, EXYNOS5_SOC_MASK)
+IS_SAMSUNG_CPU(exynos5440, EXYNOS5440_SOC_ID, EXYNOS5_SOC_MASK)
#if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2412) || \
defined(CONFIG_CPU_S3C2416) || defined(CONFIG_CPU_S3C2440) || \
@@ -130,6 +132,12 @@ IS_SAMSUNG_CPU(exynos5250, EXYNOS5250_SOC_ID, EXYNOS5_SOC_MASK)
# define soc_is_exynos5250() 0
#endif
+#if defined(CONFIG_SOC_EXYNOS5440)
+# define soc_is_exynos5440() is_samsung_exynos5440()
+#else
+# define soc_is_exynos5440() 0
+#endif
+
#define IODESC_ENT(x) { (unsigned long)S3C24XX_VA_##x, __phys_to_pfn(S3C24XX_PA_##x), S3C24XX_SZ_##x, MT_DEVICE }
#ifndef KHZ
diff --git a/arch/arm/plat-samsung/include/plat/devs.h b/arch/arm/plat-samsung/include/plat/devs.h
index 5da4b4f38f4..87d501ff332 100644
--- a/arch/arm/plat-samsung/include/plat/devs.h
+++ b/arch/arm/plat-samsung/include/plat/devs.h
@@ -123,7 +123,6 @@ extern struct platform_device s5pv210_device_spdif;
extern struct platform_device exynos4_device_ac97;
extern struct platform_device exynos4_device_ahci;
-extern struct platform_device exynos4_device_dwmci;
extern struct platform_device exynos4_device_i2s0;
extern struct platform_device exynos4_device_i2s1;
extern struct platform_device exynos4_device_i2s2;
@@ -133,9 +132,6 @@ extern struct platform_device exynos4_device_pcm1;
extern struct platform_device exynos4_device_pcm2;
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;
diff --git a/arch/arm/plat-samsung/include/plat/gpio-core.h b/arch/arm/plat-samsung/include/plat/gpio-core.h
index 1fe6917f6a2..f7a3ea2c498 100644
--- a/arch/arm/plat-samsung/include/plat/gpio-core.h
+++ b/arch/arm/plat-samsung/include/plat/gpio-core.h
@@ -11,6 +11,9 @@
* published by the Free Software Foundation.
*/
+#ifndef __PLAT_SAMSUNG_GPIO_CORE_H
+#define __PLAT_SAMSUNG_GPIO_CORE_H
+
#define GPIOCON_OFF (0x00)
#define GPIODAT_OFF (0x04)
@@ -48,6 +51,7 @@ struct samsung_gpio_cfg;
* @config: special function and pull-resistor control information.
* @lock: Lock for exclusive access to this gpio bank.
* @pm_save: Save information for suspend/resume support.
+ * @bitmap_gpio_int: Bitmap for representing GPIO interrupt or not.
*
* This wrapper provides the necessary information for the Samsung
* specific gpios being registered with gpiolib.
@@ -71,6 +75,7 @@ struct samsung_gpio_chip {
#ifdef CONFIG_PM
u32 pm_save[4];
#endif
+ u32 bitmap_gpio_int;
};
static inline struct samsung_gpio_chip *to_samsung_gpio(struct gpio_chip *gpc)
@@ -122,3 +127,5 @@ extern struct samsung_gpio_pm samsung_gpio_pm_4bit;
/* locking wrappers to deal with multiple access to the same gpio bank */
#define samsung_gpio_lock(_oc, _fl) spin_lock_irqsave(&(_oc)->lock, _fl)
#define samsung_gpio_unlock(_oc, _fl) spin_unlock_irqrestore(&(_oc)->lock, _fl)
+
+#endif /* __PLAT_SAMSUNG_GPIO_CORE_H */
diff --git a/arch/arm/plat-samsung/include/plat/mfc.h b/arch/arm/plat-samsung/include/plat/mfc.h
index ac13227272f..e6d7c42d68b 100644
--- a/arch/arm/plat-samsung/include/plat/mfc.h
+++ b/arch/arm/plat-samsung/include/plat/mfc.h
@@ -10,6 +10,14 @@
#ifndef __PLAT_SAMSUNG_MFC_H
#define __PLAT_SAMSUNG_MFC_H __FILE__
+struct s5p_mfc_dt_meminfo {
+ unsigned long loff;
+ unsigned long lsize;
+ unsigned long roff;
+ unsigned long rsize;
+ char *compatible;
+};
+
/**
* s5p_mfc_reserve_mem - function to early reserve memory for MFC driver
* @rbase: base address for MFC 'right' memory interface
@@ -24,4 +32,7 @@
void __init s5p_mfc_reserve_mem(phys_addr_t rbase, unsigned int rsize,
phys_addr_t lbase, unsigned int lsize);
+int __init s5p_fdt_find_mfc_mem(unsigned long node, const char *uname,
+ int depth, void *data);
+
#endif /* __PLAT_SAMSUNG_MFC_H */
diff --git a/arch/arm/plat-samsung/include/plat/pm.h b/arch/arm/plat-samsung/include/plat/pm.h
index 61fc53740fb..887a0c95437 100644
--- a/arch/arm/plat-samsung/include/plat/pm.h
+++ b/arch/arm/plat-samsung/include/plat/pm.h
@@ -107,10 +107,12 @@ extern void s3c_pm_do_restore(struct sleep_save *ptr, int count);
extern void s3c_pm_do_restore_core(struct sleep_save *ptr, int count);
#ifdef CONFIG_PM
+extern int s3c_irq_wake(struct irq_data *data, unsigned int state);
extern int s3c_irqext_wake(struct irq_data *data, unsigned int state);
extern int s3c24xx_irq_suspend(void);
extern void s3c24xx_irq_resume(void);
#else
+#define s3c_irq_wake NULL
#define s3c_irqext_wake NULL
#define s3c24xx_irq_suspend NULL
#define s3c24xx_irq_resume NULL
diff --git a/arch/arm/plat-samsung/s5p-dev-mfc.c b/arch/arm/plat-samsung/s5p-dev-mfc.c
index ad6089465e2..5ec104b5408 100644
--- a/arch/arm/plat-samsung/s5p-dev-mfc.c
+++ b/arch/arm/plat-samsung/s5p-dev-mfc.c
@@ -14,6 +14,8 @@
#include <linux/dma-mapping.h>
#include <linux/memblock.h>
#include <linux/ioport.h>
+#include <linux/of_fdt.h>
+#include <linux/of.h>
#include <mach/map.h>
#include <plat/devs.h>
@@ -69,3 +71,35 @@ static int __init s5p_mfc_memory_init(void)
return 0;
}
device_initcall(s5p_mfc_memory_init);
+
+#ifdef CONFIG_OF
+int __init s5p_fdt_find_mfc_mem(unsigned long node, const char *uname,
+ int depth, void *data)
+{
+ __be32 *prop;
+ unsigned long len;
+ struct s5p_mfc_dt_meminfo *mfc_mem = data;
+
+ if (!data)
+ return 0;
+
+ if (!of_flat_dt_is_compatible(node, mfc_mem->compatible))
+ return 0;
+
+ prop = of_get_flat_dt_prop(node, "samsung,mfc-l", &len);
+ if (!prop || (len != 2 * sizeof(unsigned long)))
+ return 0;
+
+ mfc_mem->loff = be32_to_cpu(prop[0]);
+ mfc_mem->lsize = be32_to_cpu(prop[1]);
+
+ prop = of_get_flat_dt_prop(node, "samsung,mfc-r", &len);
+ if (!prop || (len != 2 * sizeof(unsigned long)))
+ return 0;
+
+ mfc_mem->roff = be32_to_cpu(prop[0]);
+ mfc_mem->rsize = be32_to_cpu(prop[1]);
+
+ return 1;
+}
+#endif
diff --git a/arch/arm/plat-samsung/s5p-irq-gpioint.c b/arch/arm/plat-samsung/s5p-irq-gpioint.c
index 23557d30e44..bae56131a50 100644
--- a/arch/arm/plat-samsung/s5p-irq-gpioint.c
+++ b/arch/arm/plat-samsung/s5p-irq-gpioint.c
@@ -185,7 +185,7 @@ int __init s5p_register_gpio_interrupt(int pin)
/* check if the group has been already registered */
if (my_chip->irq_base)
- return my_chip->irq_base + offset;
+ goto success;
/* register gpio group */
ret = s5p_gpioint_add(my_chip);
@@ -193,9 +193,13 @@ int __init s5p_register_gpio_interrupt(int pin)
my_chip->chip.to_irq = samsung_gpiolib_to_irq;
printk(KERN_INFO "Registered interrupt support for gpio group %d.\n",
group);
- return my_chip->irq_base + offset;
+ goto success;
}
return ret;
+success:
+ my_chip->bitmap_gpio_int |= BIT(offset);
+
+ return my_chip->irq_base + offset;
}
int __init s5p_register_gpioint_bank(int chain_irq, int start, int nr_groups)
diff --git a/arch/arm/plat-samsung/setup-camif.c b/arch/arm/plat-samsung/setup-camif.c
new file mode 100644
index 00000000000..e01bf760af2
--- /dev/null
+++ b/arch/arm/plat-samsung/setup-camif.c
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2012 Sylwester Nawrocki <sylvester.nawrocki@gmail.com>
+ *
+ * Helper functions for S3C24XX/S3C64XX SoC series CAMIF driver
+ *
+ * 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 <plat/gpio-cfg.h>
+
+/* Number of camera port pins, without FIELD */
+#define S3C_CAMIF_NUM_GPIOS 13
+
+/* Default camera port configuration helpers. */
+
+static void camif_get_gpios(int *gpio_start, int *gpio_reset)
+{
+#ifdef CONFIG_ARCH_S3C24XX
+ *gpio_start = S3C2410_GPJ(0);
+ *gpio_reset = S3C2410_GPJ(12);
+#else
+ /* s3c64xx */
+ *gpio_start = S3C64XX_GPF(0);
+ *gpio_reset = S3C64XX_GPF(3);
+#endif
+}
+
+int s3c_camif_gpio_get(void)
+{
+ int gpio_start, gpio_reset;
+ int ret, i;
+
+ camif_get_gpios(&gpio_start, &gpio_reset);
+
+ for (i = 0; i < S3C_CAMIF_NUM_GPIOS; i++) {
+ int gpio = gpio_start + i;
+
+ if (gpio == gpio_reset)
+ continue;
+
+ ret = gpio_request(gpio, "camif");
+ if (!ret)
+ ret = s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+ if (ret) {
+ pr_err("failed to configure GPIO %d\n", gpio);
+ for (--i; i >= 0; i--)
+ gpio_free(gpio--);
+ return ret;
+ }
+ s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE);
+ }
+
+ return 0;
+}
+
+void s3c_camif_gpio_put(void)
+{
+ int i, gpio_start, gpio_reset;
+
+ camif_get_gpios(&gpio_start, &gpio_reset);
+
+ for (i = 0; i < S3C_CAMIF_NUM_GPIOS; i++) {
+ int gpio = gpio_start + i;
+ if (gpio != gpio_reset)
+ gpio_free(gpio);
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-30 19:41:48 +0000