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author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-07-16 21:21:41 +0200 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-07-16 21:21:41 +0200 |
commit | c309b6f24222246c18a8b65d3950e6e755440865 (patch) | |
tree | 11893170f5c246bb0dee8066e85878af04162ab0 /Documentation/backlight/lp855x-driver.txt | |
parent | Merge tag 'xtensa-20190715' of git://github.com/jcmvbkbc/linux-xtensa (diff) | |
parent | docs: kbuild: fix build with pdf and fix some minor issues (diff) | |
download | linux-c309b6f24222246c18a8b65d3950e6e755440865.tar.xz linux-c309b6f24222246c18a8b65d3950e6e755440865.zip |
Merge tag 'docs/v5.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull rst conversion of docs from Mauro Carvalho Chehab:
"As agreed with Jon, I'm sending this big series directly to you, c/c
him, as this series required a special care, in order to avoid
conflicts with other trees"
* tag 'docs/v5.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (77 commits)
docs: kbuild: fix build with pdf and fix some minor issues
docs: block: fix pdf output
docs: arm: fix a breakage with pdf output
docs: don't use nested tables
docs: gpio: add sysfs interface to the admin-guide
docs: locking: add it to the main index
docs: add some directories to the main documentation index
docs: add SPDX tags to new index files
docs: add a memory-devices subdir to driver-api
docs: phy: place documentation under driver-api
docs: serial: move it to the driver-api
docs: driver-api: add remaining converted dirs to it
docs: driver-api: add xilinx driver API documentation
docs: driver-api: add a series of orphaned documents
docs: admin-guide: add a series of orphaned documents
docs: cgroup-v1: add it to the admin-guide book
docs: aoe: add it to the driver-api book
docs: add some documentation dirs to the driver-api book
docs: driver-model: move it to the driver-api book
docs: lp855x-driver.rst: add it to the driver-api book
...
Diffstat (limited to 'Documentation/backlight/lp855x-driver.txt')
-rw-r--r-- | Documentation/backlight/lp855x-driver.txt | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/Documentation/backlight/lp855x-driver.txt b/Documentation/backlight/lp855x-driver.txt deleted file mode 100644 index 01bce243d3d7..000000000000 --- a/Documentation/backlight/lp855x-driver.txt +++ /dev/null @@ -1,66 +0,0 @@ -Kernel driver lp855x -==================== - -Backlight driver for LP855x ICs - -Supported chips: - Texas Instruments LP8550, LP8551, LP8552, LP8553, LP8555, LP8556 and - LP8557 - -Author: Milo(Woogyom) Kim <milo.kim@ti.com> - -Description ------------ - -* Brightness control - -Brightness can be controlled by the pwm input or the i2c command. -The lp855x driver supports both cases. - -* Device attributes - -1) bl_ctl_mode -Backlight control mode. -Value : pwm based or register based - -2) chip_id -The lp855x chip id. -Value : lp8550/lp8551/lp8552/lp8553/lp8555/lp8556/lp8557 - -Platform data for lp855x ------------------------- - -For supporting platform specific data, the lp855x platform data can be used. - -* name : Backlight driver name. If it is not defined, default name is set. -* device_control : Value of DEVICE CONTROL register. -* initial_brightness : Initial value of backlight brightness. -* period_ns : Platform specific PWM period value. unit is nano. - Only valid when brightness is pwm input mode. -* size_program : Total size of lp855x_rom_data. -* rom_data : List of new eeprom/eprom registers. - -example 1) lp8552 platform data : i2c register mode with new eeprom data - -#define EEPROM_A5_ADDR 0xA5 -#define EEPROM_A5_VAL 0x4f /* EN_VSYNC=0 */ - -static struct lp855x_rom_data lp8552_eeprom_arr[] = { - {EEPROM_A5_ADDR, EEPROM_A5_VAL}, -}; - -static struct lp855x_platform_data lp8552_pdata = { - .name = "lcd-bl", - .device_control = I2C_CONFIG(LP8552), - .initial_brightness = INITIAL_BRT, - .size_program = ARRAY_SIZE(lp8552_eeprom_arr), - .rom_data = lp8552_eeprom_arr, -}; - -example 2) lp8556 platform data : pwm input mode with default rom data - -static struct lp855x_platform_data lp8556_pdata = { - .device_control = PWM_CONFIG(LP8556), - .initial_brightness = INITIAL_BRT, - .period_ns = 1000000, -}; |