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-rw-r--r--arch/mips/alchemy/devboards/db1000.c87
-rw-r--r--arch/mips/alchemy/devboards/db1200.c29
-rw-r--r--arch/mips/alchemy/devboards/db1300.c30
-rw-r--r--arch/mips/alchemy/devboards/db1550.c5
-rw-r--r--arch/mips/alchemy/devboards/platform.c17
-rw-r--r--arch/mips/alchemy/devboards/pm.c2
6 files changed, 75 insertions, 95 deletions
diff --git a/arch/mips/alchemy/devboards/db1000.c b/arch/mips/alchemy/devboards/db1000.c
index 2c52ee27b4f2..6984cd5169b5 100644
--- a/arch/mips/alchemy/devboards/db1000.c
+++ b/arch/mips/alchemy/devboards/db1000.c
@@ -10,16 +10,16 @@
#include <linux/dma-mapping.h>
#include <linux/gpio.h>
#include <linux/gpio/machine.h>
+#include <linux/gpio/property.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/leds.h>
#include <linux/mmc/host.h>
-#include <linux/module.h>
#include <linux/platform_device.h>
+#include <linux/property.h>
#include <linux/pm.h>
#include <linux/spi/spi.h>
#include <linux/spi/spi_gpio.h>
-#include <linux/spi/ads7846.h>
#include <asm/mach-au1x00/au1000.h>
#include <asm/mach-au1x00/gpio-au1000.h>
#include <asm/mach-au1x00/au1000_dma.h>
@@ -165,14 +165,10 @@ static struct platform_device db1x00_audio_dev = {
/******************************************************************************/
+#ifdef CONFIG_MMC_AU1X
static irqreturn_t db1100_mmc_cd(int irq, void *ptr)
{
- void (*mmc_cd)(struct mmc_host *, unsigned long);
- /* link against CONFIG_MMC=m */
- mmc_cd = symbol_get(mmc_detect_change);
- mmc_cd(ptr, msecs_to_jiffies(500));
- symbol_put(mmc_detect_change);
-
+ mmc_detect_change(ptr, msecs_to_jiffies(500));
return IRQ_HANDLED;
}
@@ -375,17 +371,24 @@ static struct platform_device db1100_mmc1_dev = {
.num_resources = ARRAY_SIZE(au1100_mmc1_res),
.resource = au1100_mmc1_res,
};
+#endif /* CONFIG_MMC_AU1X */
/******************************************************************************/
-static struct ads7846_platform_data db1100_touch_pd = {
- .model = 7846,
- .vref_mv = 3300,
- .gpio_pendown = 21,
+static const struct software_node db1100_alchemy2_gpiochip = {
+ .name = "alchemy-gpio2",
};
-static struct spi_gpio_platform_data db1100_spictl_pd = {
- .num_chipselect = 1,
+static const struct property_entry db1100_ads7846_properties[] = {
+ PROPERTY_ENTRY_U16("ti,vref_min", 3300),
+ PROPERTY_ENTRY_GPIO("pendown-gpios",
+ &db1100_alchemy2_gpiochip, 21, GPIO_ACTIVE_LOW),
+ { }
+};
+
+static const struct software_node db1100_ads7846_swnode = {
+ .name = "ads7846",
+ .properties = db1100_ads7846_properties,
};
static struct spi_board_info db1100_spi_info[] __initdata = {
@@ -396,37 +399,37 @@ static struct spi_board_info db1100_spi_info[] __initdata = {
.chip_select = 0,
.mode = 0,
.irq = AU1100_GPIO21_INT,
- .platform_data = &db1100_touch_pd,
+ .swnode = &db1100_ads7846_swnode,
},
};
-static struct platform_device db1100_spi_dev = {
- .name = "spi_gpio",
- .id = 0,
- .dev = {
- .platform_data = &db1100_spictl_pd,
- .dma_mask = &au1xxx_all_dmamask,
- .coherent_dma_mask = DMA_BIT_MASK(32),
- },
+static const struct spi_gpio_platform_data db1100_spictl_pd __initconst = {
+ .num_chipselect = 1,
};
/*
* Alchemy GPIO 2 has its base at 200 so the GPIO lines
* 207 thru 210 are GPIOs at offset 7 thru 10 at this chip.
*/
-static struct gpiod_lookup_table db1100_spi_gpiod_table = {
- .dev_id = "spi_gpio",
- .table = {
- GPIO_LOOKUP("alchemy-gpio2", 9,
- "sck", GPIO_ACTIVE_HIGH),
- GPIO_LOOKUP("alchemy-gpio2", 8,
- "mosi", GPIO_ACTIVE_HIGH),
- GPIO_LOOKUP("alchemy-gpio2", 7,
- "miso", GPIO_ACTIVE_HIGH),
- GPIO_LOOKUP("alchemy-gpio2", 10,
- "cs", GPIO_ACTIVE_HIGH),
- { },
- },
+static const struct property_entry db1100_spi_dev_properties[] __initconst = {
+ PROPERTY_ENTRY_GPIO("miso-gpios",
+ &db1100_alchemy2_gpiochip, 7, GPIO_ACTIVE_HIGH),
+ PROPERTY_ENTRY_GPIO("mosi-gpios",
+ &db1100_alchemy2_gpiochip, 8, GPIO_ACTIVE_HIGH),
+ PROPERTY_ENTRY_GPIO("sck-gpios",
+ &db1100_alchemy2_gpiochip, 9, GPIO_ACTIVE_HIGH),
+ PROPERTY_ENTRY_GPIO("cs-gpios",
+ &db1100_alchemy2_gpiochip, 10, GPIO_ACTIVE_HIGH),
+ { }
+};
+
+static const struct platform_device_info db1100_spi_dev_info __initconst = {
+ .name = "spi_gpio",
+ .id = 0,
+ .data = &db1100_spictl_pd,
+ .size_data = sizeof(db1100_spictl_pd),
+ .dma_mask = DMA_BIT_MASK(32),
+ .properties = db1100_spi_dev_properties,
};
static struct platform_device *db1x00_devs[] = {
@@ -438,16 +441,20 @@ static struct platform_device *db1x00_devs[] = {
static struct platform_device *db1100_devs[] = {
&au1100_lcd_device,
+#ifdef CONFIG_MMC_AU1X
&db1100_mmc0_dev,
&db1100_mmc1_dev,
+#endif
};
int __init db1000_dev_setup(void)
{
int board = BCSR_WHOAMI_BOARD(bcsr_read(BCSR_WHOAMI));
int c0, c1, d0, d1, s0, s1, flashsize = 32, twosocks = 1;
+ int err;
unsigned long pfc;
struct clk *c, *p;
+ struct platform_device *spi_dev;
if (board == BCSR_WHOAMI_DB1500) {
c0 = AU1500_GPIO2_INT;
@@ -474,6 +481,7 @@ int __init db1000_dev_setup(void)
pfc |= (1 << 0); /* SSI0 pins as GPIOs */
alchemy_wrsys(pfc, AU1000_SYS_PINFUNC);
+ software_node_register(&db1100_alchemy2_gpiochip);
spi_register_board_info(db1100_spi_info,
ARRAY_SIZE(db1100_spi_info));
@@ -490,8 +498,11 @@ int __init db1000_dev_setup(void)
clk_put(p);
platform_add_devices(db1100_devs, ARRAY_SIZE(db1100_devs));
- gpiod_add_lookup_table(&db1100_spi_gpiod_table);
- platform_device_register(&db1100_spi_dev);
+
+ spi_dev = platform_device_register_full(&db1100_spi_dev_info);
+ err = PTR_ERR_OR_ZERO(spi_dev);
+ if (err)
+ pr_err("failed to register SPI controller: %d\n", err);
} else if (board == BCSR_WHOAMI_DB1000) {
c0 = AU1000_GPIO2_INT;
c1 = AU1000_GPIO5_INT;
diff --git a/arch/mips/alchemy/devboards/db1200.c b/arch/mips/alchemy/devboards/db1200.c
index 421d651433b6..67f067706af2 100644
--- a/arch/mips/alchemy/devboards/db1200.c
+++ b/arch/mips/alchemy/devboards/db1200.c
@@ -10,7 +10,6 @@
#include <linux/gpio.h>
#include <linux/i2c.h>
#include <linux/init.h>
-#include <linux/module.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/leds.h>
@@ -327,6 +326,7 @@ static struct platform_device db1200_ide_dev = {
/**********************************************************************/
+#ifdef CONFIG_MMC_AU1X
/* SD carddetects: they're supposed to be edge-triggered, but ack
* doesn't seem to work (CPLD Rev 2). Instead, the screaming one
* is disabled and its counterpart enabled. The 200ms timeout is
@@ -340,14 +340,7 @@ static irqreturn_t db1200_mmc_cd(int irq, void *ptr)
static irqreturn_t db1200_mmc_cdfn(int irq, void *ptr)
{
- void (*mmc_cd)(struct mmc_host *, unsigned long);
-
- /* link against CONFIG_MMC=m */
- mmc_cd = symbol_get(mmc_detect_change);
- if (mmc_cd) {
- mmc_cd(ptr, msecs_to_jiffies(200));
- symbol_put(mmc_detect_change);
- }
+ mmc_detect_change(ptr, msecs_to_jiffies(200));
msleep(100); /* debounce */
if (irq == DB1200_SD0_INSERT_INT)
@@ -431,14 +424,7 @@ static irqreturn_t pb1200_mmc1_cd(int irq, void *ptr)
static irqreturn_t pb1200_mmc1_cdfn(int irq, void *ptr)
{
- void (*mmc_cd)(struct mmc_host *, unsigned long);
-
- /* link against CONFIG_MMC=m */
- mmc_cd = symbol_get(mmc_detect_change);
- if (mmc_cd) {
- mmc_cd(ptr, msecs_to_jiffies(200));
- symbol_put(mmc_detect_change);
- }
+ mmc_detect_change(ptr, msecs_to_jiffies(200));
msleep(100); /* debounce */
if (irq == PB1200_SD1_INSERT_INT)
@@ -599,6 +585,7 @@ static struct platform_device pb1200_mmc1_dev = {
.num_resources = ARRAY_SIZE(au1200_mmc1_res),
.resource = au1200_mmc1_res,
};
+#endif /* CONFIG_MMC_AU1X */
/**********************************************************************/
@@ -766,7 +753,9 @@ static struct platform_device db1200_audiodma_dev = {
static struct platform_device *db1200_devs[] __initdata = {
NULL, /* PSC0, selected by S6.8 */
&db1200_ide_dev,
+#ifdef CONFIG_MMC_AU1X
&db1200_mmc0_dev,
+#endif
&au1200_lcd_dev,
&db1200_eth_dev,
&db1200_nand_dev,
@@ -777,7 +766,9 @@ static struct platform_device *db1200_devs[] __initdata = {
};
static struct platform_device *pb1200_devs[] __initdata = {
+#ifdef CONFIG_MMC_AU1X
&pb1200_mmc1_dev,
+#endif
};
/* Some peripheral base addresses differ on the PB1200 */
@@ -835,7 +826,7 @@ int __init db1200_dev_setup(void)
if (!IS_ERR(c)) {
pfc = clk_round_rate(c, 50000000);
if ((pfc < 1) || (abs(50000000 - pfc) > 2500000))
- pr_warn("DB1200: cant get I2C close to 50MHz\n");
+ pr_warn("DB1200: can't get I2C close to 50MHz\n");
else
clk_set_rate(c, pfc);
clk_prepare_enable(c);
@@ -856,7 +847,7 @@ int __init db1200_dev_setup(void)
i2c_register_board_info(0, db1200_i2c_devs,
ARRAY_SIZE(db1200_i2c_devs));
spi_register_board_info(db1200_spi_devs,
- ARRAY_SIZE(db1200_i2c_devs));
+ ARRAY_SIZE(db1200_spi_devs));
/* SWITCHES: S6.8 I2C/SPI selector (OFF=I2C ON=SPI)
* S6.7 AC97/I2S selector (OFF=AC97 ON=I2S)
diff --git a/arch/mips/alchemy/devboards/db1300.c b/arch/mips/alchemy/devboards/db1300.c
index 8ac1f56ee57d..d377e043b49f 100644
--- a/arch/mips/alchemy/devboards/db1300.c
+++ b/arch/mips/alchemy/devboards/db1300.c
@@ -17,7 +17,6 @@
#include <linux/interrupt.h>
#include <linux/ata_platform.h>
#include <linux/mmc/host.h>
-#include <linux/module.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/platnand.h>
#include <linux/platform_device.h>
@@ -451,6 +450,7 @@ static struct platform_device db1300_ide_dev = {
/**********************************************************************/
+#ifdef CONFIG_MMC_AU1X
static irqreturn_t db1300_mmc_cd(int irq, void *ptr)
{
disable_irq_nosync(irq);
@@ -459,14 +459,7 @@ static irqreturn_t db1300_mmc_cd(int irq, void *ptr)
static irqreturn_t db1300_mmc_cdfn(int irq, void *ptr)
{
- void (*mmc_cd)(struct mmc_host *, unsigned long);
-
- /* link against CONFIG_MMC=m. We can only be called once MMC core has
- * initialized the controller, so symbol_get() should always succeed.
- */
- mmc_cd = symbol_get(mmc_detect_change);
- mmc_cd(ptr, msecs_to_jiffies(200));
- symbol_put(mmc_detect_change);
+ mmc_detect_change(ptr, msecs_to_jiffies(200));
msleep(100); /* debounce */
if (irq == DB1300_SD1_INSERT_INT)
@@ -640,6 +633,7 @@ static struct platform_device db1300_sd0_dev = {
.resource = au1300_sd0_res,
.num_resources = ARRAY_SIZE(au1300_sd0_res),
};
+#endif /* CONFIG_MMC_AU1X */
/**********************************************************************/
@@ -731,16 +725,8 @@ static struct platform_device db1300_lcd_dev = {
/**********************************************************************/
-static void db1300_wm97xx_irqen(struct wm97xx *wm, int enable)
-{
- if (enable)
- enable_irq(DB1300_AC97_PEN_INT);
- else
- disable_irq_nosync(DB1300_AC97_PEN_INT);
-}
-
+#if IS_ENABLED(CONFIG_TOUCHSCREEN_WM97XX)
static struct wm97xx_mach_ops db1300_wm97xx_ops = {
- .irq_enable = db1300_wm97xx_irqen,
.irq_gpio = WM97XX_GPIO_3,
};
@@ -762,6 +748,12 @@ static int db1300_wm97xx_probe(struct platform_device *pdev)
return wm97xx_register_mach_ops(wm, &db1300_wm97xx_ops);
}
+#else
+static int db1300_wm97xx_probe(struct platform_device *pdev)
+{
+ return -ENODEV;
+}
+#endif
static struct platform_driver db1300_wm97xx_driver = {
.driver.name = "wm97xx-touch",
@@ -777,8 +769,10 @@ static struct platform_device *db1300_dev[] __initdata = {
&db1300_5waysw_dev,
&db1300_nand_dev,
&db1300_ide_dev,
+#ifdef CONFIG_MMC_AU1X
&db1300_sd0_dev,
&db1300_sd1_dev,
+#endif
&db1300_lcd_dev,
&db1300_ac97_dev,
&db1300_i2s_dev,
diff --git a/arch/mips/alchemy/devboards/db1550.c b/arch/mips/alchemy/devboards/db1550.c
index 3e0c75c0ece0..6c6837181f55 100644
--- a/arch/mips/alchemy/devboards/db1550.c
+++ b/arch/mips/alchemy/devboards/db1550.c
@@ -66,6 +66,7 @@ int __init db1550_board_setup(void)
case BCSR_WHOAMI_PB1550_DDR:
bcsr_init(PB1550_BCSR_PHYS_ADDR,
PB1550_BCSR_PHYS_ADDR + PB1550_BCSR_HEXLED_OFS);
+ break;
case BCSR_WHOAMI_DB1550:
break;
default:
@@ -225,7 +226,7 @@ static void __init pb1550_nand_setup(void)
case 0: case 2: case 8: case 0xC: case 0xD:
/* x16 NAND Flash */
pb1550_nand_pd.devwidth = 1;
- /* fallthrough */
+ fallthrough;
case 1: case 3: case 9: case 0xE: case 0xF:
/* x8 NAND, already set up */
platform_device_register(&pb1550_nand_dev);
@@ -588,7 +589,7 @@ int __init db1550_dev_setup(void)
i2c_register_board_info(0, db1550_i2c_devs,
ARRAY_SIZE(db1550_i2c_devs));
spi_register_board_info(db1550_spi_devs,
- ARRAY_SIZE(db1550_i2c_devs));
+ ARRAY_SIZE(db1550_spi_devs));
c = clk_get(NULL, "psc0_intclk");
if (!IS_ERR(c)) {
diff --git a/arch/mips/alchemy/devboards/platform.c b/arch/mips/alchemy/devboards/platform.c
index 8d4b65c3268a..754bdd2ca630 100644
--- a/arch/mips/alchemy/devboards/platform.c
+++ b/arch/mips/alchemy/devboards/platform.c
@@ -20,23 +20,6 @@
#include <prom.h>
-void __init prom_init(void)
-{
- unsigned char *memsize_str;
- unsigned long memsize;
-
- prom_argc = (int)fw_arg0;
- prom_argv = (char **)fw_arg1;
- prom_envp = (char **)fw_arg2;
-
- prom_init_cmdline();
- memsize_str = prom_getenv("memsize");
- if (!memsize_str || kstrtoul(memsize_str, 0, &memsize))
- memsize = 64 << 20; /* all devboards have at least 64MB RAM */
-
- add_memory_region(0, memsize, BOOT_MEM_RAM);
-}
-
void prom_putchar(char c)
{
if (alchemy_get_cputype() == ALCHEMY_CPU_AU1300)
diff --git a/arch/mips/alchemy/devboards/pm.c b/arch/mips/alchemy/devboards/pm.c
index 73c77814687a..b17a0d199851 100644
--- a/arch/mips/alchemy/devboards/pm.c
+++ b/arch/mips/alchemy/devboards/pm.c
@@ -17,7 +17,7 @@
* Generic suspend userspace interface for Alchemy development boards.
* This code exports a few sysfs nodes under /sys/power/db1x/ which
* can be used by userspace to en/disable all au1x-provided wakeup
- * sources and configure the timeout after which the the TOYMATCH2 irq
+ * sources and configure the timeout after which the TOYMATCH2 irq
* is to trigger a wakeup.
*/