diff options
author | Russell King <rmk+kernel@armlinux.org.uk> | 2017-09-09 16:34:41 +0100 |
---|---|---|
committer | Russell King <rmk+kernel@armlinux.org.uk> | 2017-09-09 16:34:41 +0100 |
commit | e558bdc21ae1f0db520eccd84015e17d8a589973 (patch) | |
tree | b436123bd52f267b8c7f361618cded3e1e4421ea /arch/arm/mach-pxa | |
parent | 746a272e44141af24a02f6c9b0f65f4c4598ed42 (diff) | |
parent | 9a3dc3186fc3795e076a4122da9e0258651a9631 (diff) |
Merge branches 'fixes' and 'misc' into for-linus
Diffstat (limited to 'arch/arm/mach-pxa')
-rw-r--r-- | arch/arm/mach-pxa/balloon3.c | 2 | ||||
-rw-r--r-- | arch/arm/mach-pxa/include/mach/magician.h | 1 | ||||
-rw-r--r-- | arch/arm/mach-pxa/littleton.c | 2 | ||||
-rw-r--r-- | arch/arm/mach-pxa/magician.c | 84 | ||||
-rw-r--r-- | arch/arm/mach-pxa/pm.c | 4 | ||||
-rw-r--r-- | arch/arm/mach-pxa/pxa3xx-ulpi.c | 6 | ||||
-rw-r--r-- | arch/arm/mach-pxa/stargate2.c | 2 |
7 files changed, 90 insertions, 11 deletions
diff --git a/arch/arm/mach-pxa/balloon3.c b/arch/arm/mach-pxa/balloon3.c index d452a49c0396..1467c1d1e541 100644 --- a/arch/arm/mach-pxa/balloon3.c +++ b/arch/arm/mach-pxa/balloon3.c @@ -27,7 +27,7 @@ #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> #include <linux/types.h> -#include <linux/i2c/pcf857x.h> +#include <linux/platform_data/pcf857x.h> #include <linux/i2c/pxa-i2c.h> #include <linux/mtd/nand.h> #include <linux/mtd/physmap.h> diff --git a/arch/arm/mach-pxa/include/mach/magician.h b/arch/arm/mach-pxa/include/mach/magician.h index 5f6b850ebe33..c48b54d0f331 100644 --- a/arch/arm/mach-pxa/include/mach/magician.h +++ b/arch/arm/mach-pxa/include/mach/magician.h @@ -24,6 +24,7 @@ #define GPIO10_MAGICIAN_GSM_IRQ 10 #define GPIO11_MAGICIAN_GSM_OUT1 11 #define GPIO13_MAGICIAN_CPLD_IRQ 13 +#define GPIO14_MAGICIAN_TSC2046_CS 14 #define GPIO18_MAGICIAN_UNKNOWN 18 #define GPIO22_MAGICIAN_VIBRA_EN 22 #define GPIO26_MAGICIAN_GSM_POWER 26 diff --git a/arch/arm/mach-pxa/littleton.c b/arch/arm/mach-pxa/littleton.c index 051c554776a6..fae38fdc8d8e 100644 --- a/arch/arm/mach-pxa/littleton.c +++ b/arch/arm/mach-pxa/littleton.c @@ -27,7 +27,7 @@ #include <linux/i2c.h> #include <linux/leds.h> #include <linux/mfd/da903x.h> -#include <linux/i2c/max732x.h> +#include <linux/platform_data/max732x.h> #include <linux/i2c/pxa-i2c.h> #include <asm/types.h> diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c index b413e36506af..7f3566c93733 100644 --- a/arch/arm/mach-pxa/magician.c +++ b/arch/arm/mach-pxa/magician.c @@ -54,6 +54,10 @@ #include "devices.h" #include "generic.h" +#include <linux/spi/spi.h> +#include <linux/spi/pxa2xx_spi.h> +#include <linux/spi/ads7846.h> + static unsigned long magician_pin_config[] __initdata = { /* SDRAM and Static Memory I/O Signals */ @@ -85,7 +89,7 @@ static unsigned long magician_pin_config[] __initdata = { /* SSP 2 TSC2046 touchscreen */ GPIO19_SSP2_SCLK, - GPIO14_SSP2_SFRM, + MFP_CFG_OUT(GPIO14, AF0, DRIVE_HIGH), /* frame as GPIO */ GPIO89_SSP2_TXD, GPIO88_SSP2_RXD, @@ -675,6 +679,37 @@ static struct platform_device bq24022 = { }; /* + * fixed regulator for ads7846 + */ + +static struct regulator_consumer_supply ads7846_supply = + REGULATOR_SUPPLY("vcc", "spi2.0"); + +static struct regulator_init_data vads7846_regulator = { + .constraints = { + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = 1, + .consumer_supplies = &ads7846_supply, +}; + +static struct fixed_voltage_config vads7846 = { + .supply_name = "vads7846", + .microvolts = 3300000, /* probably */ + .gpio = -EINVAL, + .startup_delay = 0, + .init_data = &vads7846_regulator, +}; + +static struct platform_device vads7846_device = { + .name = "reg-fixed-voltage", + .id = -1, + .dev = { + .platform_data = &vads7846, + }, +}; + +/* * Vcore regulator MAX1587A */ @@ -852,6 +887,49 @@ static struct i2c_pxa_platform_data magician_i2c_power_info = { }; /* + * Touchscreen + */ + +static struct ads7846_platform_data ads7846_pdata = { + .model = 7846, + .x_plate_ohms = 317, + .y_plate_ohms = 500, + .pressure_max = 1023, /* with x plate ohms it will overflow 255 */ + .debounce_max = 3, /* first readout is always bad */ + .debounce_tol = 30, + .debounce_rep = 0, + .gpio_pendown = GPIO115_MAGICIAN_nPEN_IRQ, + .keep_vref_on = 1, + .wakeup = true, + .vref_delay_usecs = 100, + .penirq_recheck_delay_usecs = 100, +}; + +struct pxa2xx_spi_chip tsc2046_chip_info = { + .tx_threshold = 1, + .rx_threshold = 2, + .timeout = 64, + /* NOTICE must be GPIO, incompatibility with hw PXA SPI framing */ + .gpio_cs = GPIO14_MAGICIAN_TSC2046_CS, +}; + +static struct pxa2xx_spi_master magician_spi_info = { + .num_chipselect = 1, + .enable_dma = 1, +}; + +static struct spi_board_info ads7846_spi_board_info[] __initdata = { + { + .modalias = "ads7846", + .bus_num = 2, + .max_speed_hz = 2500000, + .platform_data = &ads7846_pdata, + .controller_data = &tsc2046_chip_info, + .irq = PXA_GPIO_TO_IRQ(GPIO115_MAGICIAN_nPEN_IRQ), + }, +}; + +/* * Platform devices */ @@ -865,6 +943,7 @@ static struct platform_device *devices[] __initdata = { &power_supply, &strataflash, &leds_gpio, + &vads7846_device, }; static struct gpio magician_global_gpios[] = { @@ -922,6 +1001,9 @@ static void __init magician_init(void) } else pr_err("LCD detection: CPLD mapping failed\n"); + pxa2xx_set_spi_info(2, &magician_spi_info); + spi_register_board_info(ARRAY_AND_SIZE(ads7846_spi_board_info)); + regulator_register_always_on(0, "power", pwm_backlight_supply, ARRAY_SIZE(pwm_backlight_supply), 5000000); diff --git a/arch/arm/mach-pxa/pm.c b/arch/arm/mach-pxa/pm.c index e7450fb49d24..f2237f471750 100644 --- a/arch/arm/mach-pxa/pm.c +++ b/arch/arm/mach-pxa/pm.c @@ -107,10 +107,8 @@ static int __init pxa_pm_init(void) sleep_save = kmalloc_array(pxa_cpu_pm_fns->save_count, sizeof(*sleep_save), GFP_KERNEL); - if (!sleep_save) { - printk(KERN_ERR "failed to alloc memory for pm save\n"); + if (!sleep_save) return -ENOMEM; - } suspend_set_ops(&pxa_pm_ops); return 0; diff --git a/arch/arm/mach-pxa/pxa3xx-ulpi.c b/arch/arm/mach-pxa/pxa3xx-ulpi.c index eba595fac8ca..60cb59a7ebd1 100644 --- a/arch/arm/mach-pxa/pxa3xx-ulpi.c +++ b/arch/arm/mach-pxa/pxa3xx-ulpi.c @@ -286,11 +286,9 @@ static int pxa3xx_u2d_probe(struct platform_device *pdev) struct resource *r; int err; - u2d = kzalloc(sizeof(struct pxa3xx_u2d_ulpi), GFP_KERNEL); - if (!u2d) { - dev_err(&pdev->dev, "failed to allocate memory\n"); + u2d = kzalloc(sizeof(*u2d), GFP_KERNEL); + if (!u2d) return -ENOMEM; - } u2d->clk = clk_get(&pdev->dev, NULL); if (IS_ERR(u2d->clk)) { diff --git a/arch/arm/mach-pxa/stargate2.c b/arch/arm/mach-pxa/stargate2.c index 7b6610e9dae4..2d45d18b1a5e 100644 --- a/arch/arm/mach-pxa/stargate2.c +++ b/arch/arm/mach-pxa/stargate2.c @@ -26,7 +26,7 @@ #include <linux/mtd/partitions.h> #include <linux/i2c/pxa-i2c.h> -#include <linux/i2c/pcf857x.h> +#include <linux/platform_data/pcf857x.h> #include <linux/platform_data/at24.h> #include <linux/smc91x.h> #include <linux/gpio.h> |