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author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-05-23 01:34:21 +0200 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-05-23 01:34:21 +0200 |
commit | fb09bafda67041b74a668dc9d77735e36bd33d3b (patch) | |
tree | 2dd32b65062a95045468fdcab366ecdb8e4fcac6 /arch/arm/mach-at91/at91sam9g45_devices.c | |
parent | Merge tag 'tty-3.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/greg... (diff) | |
parent | Staging: bcm: Remove two unused variables from Adapter.h (diff) | |
download | linux-fb09bafda67041b74a668dc9d77735e36bd33d3b.tar.xz linux-fb09bafda67041b74a668dc9d77735e36bd33d3b.zip |
Merge tag 'staging-3.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging tree changes from Greg Kroah-Hartman:
"Here is the big staging tree pull request for the 3.5-rc1 merge
window.
Loads of changes here, and we just narrowly added more lines than we
added:
622 files changed, 28356 insertions(+), 26059 deletions(-)
But, good news is that there is a number of subsystems that moved out
of the staging tree, to their respective "real" portions of the
kernel.
Code that moved out was:
- iio core code
- mei driver
- vme core and bridge drivers
There was one broken network driver that moved into staging as a step
before it is removed from the tree (pc300), and there was a few new
drivers added to the tree:
- new iio drivers
- gdm72xx wimax USB driver
- ipack subsystem and 2 drivers
All of the movements around have acks from the various subsystem
maintainers, and all of this has been in the linux-next tree for a
while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
Fixed up various trivial conflicts, along with a non-trivial one found
in -next and pointed out by Olof Johanssen: a clean - but incorrect -
merge of the arch/arm/boot/dts/at91sam9g20.dtsi file. Fix up manually
as per Stephen Rothwell.
* tag 'staging-3.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (536 commits)
Staging: bcm: Remove two unused variables from Adapter.h
Staging: bcm: Removes the volatile type definition from Adapter.h
Staging: bcm: Rename all "INT" to "int" in Adapter.h
Staging: bcm: Fix warning: __packed vs. __attribute__((packed)) in Adapter.h
Staging: bcm: Correctly format all comments in Adapter.h
Staging: bcm: Fix all whitespace issues in Adapter.h
Staging: bcm: Properly format braces in Adapter.h
Staging: ipack/bridges/tpci200: remove unneeded casts
Staging: ipack/bridges/tpci200: remove TPCI200_SHORTNAME constant
Staging: ipack: remove board_name and bus_name fields from struct ipack_device
Staging: ipack: improve the register of a bus and a device in the bus.
staging: comedi: cleanup all the comedi_driver 'detach' functions
staging: comedi: remove all 'default N' in Kconfig
staging: line6/config.h: Delete unused header
staging: gdm72xx depends on NET
staging: gdm72xx: Set up parent link in sysfs for gdm72xx devices
staging: drm/omap: initial dmabuf/prime import support
staging: drm/omap: dmabuf/prime mmap support
pstore/ram: Add ECC support
pstore/ram: Switch to persistent_ram routines
...
Diffstat (limited to 'arch/arm/mach-at91/at91sam9g45_devices.c')
-rw-r--r-- | arch/arm/mach-at91/at91sam9g45_devices.c | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c index 35bd42d02195..f6747246d649 100644 --- a/arch/arm/mach-at91/at91sam9g45_devices.c +++ b/arch/arm/mach-at91/at91sam9g45_devices.c @@ -19,9 +19,12 @@ #include <linux/i2c-gpio.h> #include <linux/atmel-mci.h> +#include <linux/platform_data/at91_adc.h> + #include <linux/fb.h> #include <video/atmel_lcdc.h> +#include <mach/at91_adc.h> #include <mach/board.h> #include <mach/at91sam9g45.h> #include <mach/at91sam9g45_matrix.h> @@ -1182,6 +1185,104 @@ void __init at91_add_device_tsadcc(struct at91_tsadcc_data *data) {} /* -------------------------------------------------------------------- + * ADC + * -------------------------------------------------------------------- */ + +#if IS_ENABLED(CONFIG_AT91_ADC) +static struct at91_adc_data adc_data; + +static struct resource adc_resources[] = { + [0] = { + .start = AT91SAM9G45_BASE_TSC, + .end = AT91SAM9G45_BASE_TSC + SZ_16K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = AT91SAM9G45_ID_TSC, + .end = AT91SAM9G45_ID_TSC, + .flags = IORESOURCE_IRQ, + } +}; + +static struct platform_device at91_adc_device = { + .name = "at91_adc", + .id = -1, + .dev = { + .platform_data = &adc_data, + }, + .resource = adc_resources, + .num_resources = ARRAY_SIZE(adc_resources), +}; + +static struct at91_adc_trigger at91_adc_triggers[] = { + [0] = { + .name = "external-rising", + .value = 1, + .is_external = true, + }, + [1] = { + .name = "external-falling", + .value = 2, + .is_external = true, + }, + [2] = { + .name = "external-any", + .value = 3, + .is_external = true, + }, + [3] = { + .name = "continuous", + .value = 6, + .is_external = false, + }, +}; + +static struct at91_adc_reg_desc at91_adc_register_g45 = { + .channel_base = AT91_ADC_CHR(0), + .drdy_mask = AT91_ADC_DRDY, + .status_register = AT91_ADC_SR, + .trigger_register = 0x08, +}; + +void __init at91_add_device_adc(struct at91_adc_data *data) +{ + if (!data) + return; + + if (test_bit(0, &data->channels_used)) + at91_set_gpio_input(AT91_PIN_PD20, 0); + if (test_bit(1, &data->channels_used)) + at91_set_gpio_input(AT91_PIN_PD21, 0); + if (test_bit(2, &data->channels_used)) + at91_set_gpio_input(AT91_PIN_PD22, 0); + if (test_bit(3, &data->channels_used)) + at91_set_gpio_input(AT91_PIN_PD23, 0); + if (test_bit(4, &data->channels_used)) + at91_set_gpio_input(AT91_PIN_PD24, 0); + if (test_bit(5, &data->channels_used)) + at91_set_gpio_input(AT91_PIN_PD25, 0); + if (test_bit(6, &data->channels_used)) + at91_set_gpio_input(AT91_PIN_PD26, 0); + if (test_bit(7, &data->channels_used)) + at91_set_gpio_input(AT91_PIN_PD27, 0); + + if (data->use_external_triggers) + at91_set_A_periph(AT91_PIN_PD28, 0); + + data->num_channels = 8; + data->startup_time = 40; + data->registers = &at91_adc_register_g45; + data->trigger_number = 4; + data->trigger_list = at91_adc_triggers; + + adc_data = *data; + platform_device_register(&at91_adc_device); +} +#else +void __init at91_add_device_adc(struct at91_adc_data *data) {} +#endif + +/* -------------------------------------------------------------------- * RTT * -------------------------------------------------------------------- */ |