diff options
Diffstat (limited to 'Documentation/ABI/testing')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-iio | 15 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-iio-adc-stm32 | 18 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-iio-distance-srf08 | 22 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-iio-timer-stm32 | 29 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-devfreq-event | 25 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-led | 17 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-rc | 14 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-platform-hidma | 2 | ||||
| -rw-r--r-- | Documentation/ABI/testing/sysfs-platform-hidma-mgmt | 20 |
9 files changed, 142 insertions, 20 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio index b8f220f978dd..530809ccfacf 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio +++ b/Documentation/ABI/testing/sysfs-bus-iio @@ -170,6 +170,16 @@ Description: Has all of the equivalent parameters as per voltageY. Units after application of scale and offset are m/s^2. +What: /sys/bus/iio/devices/iio:deviceX/in_gravity_x_raw +What: /sys/bus/iio/devices/iio:deviceX/in_gravity_y_raw +What: /sys/bus/iio/devices/iio:deviceX/in_gravity_z_raw +KernelVersion: 4.11 +Contact: linux-iio@vger.kernel.org +Description: + Gravity in direction x, y or z (may be arbitrarily assigned + but should match other such assignments on device). + Units after application of scale and offset are m/s^2. + What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_x_raw What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_y_raw What: /sys/bus/iio/devices/iio:deviceX/in_anglvel_z_raw @@ -805,7 +815,7 @@ Description: attribute. E.g. if in_voltage0_raw_thresh_rising_value is set to 1200 and in_voltage0_raw_thresh_rising_hysteresis is set to 50. The event will get activated once in_voltage0_raw goes above 1200 and will become - deactived again once the value falls below 1150. + deactivated again once the value falls below 1150. What: /sys/.../events/in_accel_x_raw_roc_rising_value What: /sys/.../events/in_accel_x_raw_roc_falling_value @@ -1245,7 +1255,8 @@ Description: reflectivity of infrared or ultrasound emitted. Often these sensors are unit less and as such conversion to SI units is not possible. Higher proximity measurements - indicate closer objects, and vice versa. + indicate closer objects, and vice versa. Units after + application of scale and offset are meters. What: /sys/.../iio:deviceX/in_illuminance_input What: /sys/.../iio:deviceX/in_illuminance_raw diff --git a/Documentation/ABI/testing/sysfs-bus-iio-adc-stm32 b/Documentation/ABI/testing/sysfs-bus-iio-adc-stm32 new file mode 100644 index 000000000000..efe4c85e3c8b --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-iio-adc-stm32 @@ -0,0 +1,18 @@ +What: /sys/bus/iio/devices/triggerX/trigger_polarity +KernelVersion: 4.11 +Contact: fabrice.gasnier@st.com +Description: + The STM32 ADC can be configured to use external trigger sources + (e.g. timers, pwm or exti gpio). Then, it can be tuned to start + conversions on external trigger by either: + - "rising-edge" + - "falling-edge" + - "both-edges". + Reading returns current trigger polarity. + Writing value before enabling conversions sets trigger polarity. + +What: /sys/bus/iio/devices/triggerX/trigger_polarity_available +KernelVersion: 4.11 +Contact: fabrice.gasnier@st.com +Description: + List all available trigger_polarity settings. diff --git a/Documentation/ABI/testing/sysfs-bus-iio-distance-srf08 b/Documentation/ABI/testing/sysfs-bus-iio-distance-srf08 new file mode 100644 index 000000000000..0a1ca1487fa9 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-iio-distance-srf08 @@ -0,0 +1,22 @@ +What /sys/bus/iio/devices/iio:deviceX/sensor_sensitivity +Date: January 2017 +KernelVersion: 4.11 +Contact: linux-iio@vger.kernel.org +Description: + Show or set the gain boost of the amp, from 0-31 range. + default 31 + +What /sys/bus/iio/devices/iio:deviceX/sensor_max_range +Date: January 2017 +KernelVersion: 4.11 +Contact: linux-iio@vger.kernel.org +Description: + Show or set the maximum range between the sensor and the + first object echoed in meters. Default value is 6.020. + This setting limits the time the driver is waiting for a + echo. + Showing the range of available values is represented as the + minimum value, the step and the maximum value, all enclosed + in square brackets. + Example: + [0.043 0.043 11.008] diff --git a/Documentation/ABI/testing/sysfs-bus-iio-timer-stm32 b/Documentation/ABI/testing/sysfs-bus-iio-timer-stm32 new file mode 100644 index 000000000000..6534a60037ff --- /dev/null +++ b/Documentation/ABI/testing/sysfs-bus-iio-timer-stm32 @@ -0,0 +1,29 @@ +What: /sys/bus/iio/devices/triggerX/master_mode_available +KernelVersion: 4.11 +Contact: benjamin.gaignard@st.com +Description: + Reading returns the list possible master modes which are: + - "reset" : The UG bit from the TIMx_EGR register is used as trigger output (TRGO). + - "enable" : The Counter Enable signal CNT_EN is used as trigger output. + - "update" : The update event is selected as trigger output. + For instance a master timer can then be used as a prescaler for a slave timer. + - "compare_pulse" : The trigger output send a positive pulse when the CC1IF flag is to be set. + - "OC1REF" : OC1REF signal is used as trigger output. + - "OC2REF" : OC2REF signal is used as trigger output. + - "OC3REF" : OC3REF signal is used as trigger output. + - "OC4REF" : OC4REF signal is used as trigger output. + +What: /sys/bus/iio/devices/triggerX/master_mode +KernelVersion: 4.11 +Contact: benjamin.gaignard@st.com +Description: + Reading returns the current master modes. + Writing set the master mode + +What: /sys/bus/iio/devices/triggerX/sampling_frequency +KernelVersion: 4.11 +Contact: benjamin.gaignard@st.com +Description: + Reading returns the current sampling frequency. + Writing an value different of 0 set and start sampling. + Writing 0 stop sampling. diff --git a/Documentation/ABI/testing/sysfs-class-devfreq-event b/Documentation/ABI/testing/sysfs-class-devfreq-event new file mode 100644 index 000000000000..ceaf0f686d4a --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-devfreq-event @@ -0,0 +1,25 @@ +What: /sys/class/devfreq-event/event(x)/ +Date: January 2017 +Contact: Chanwoo Choi <cw00.choi@samsung.com> +Description: + Provide a place in sysfs for the devfreq-event objects. + This allows accessing various devfreq-event specific variables. + The name of devfreq-event object denoted as 'event(x)' which + includes the unique number of 'x' for each devfreq-event object. + +What: /sys/class/devfreq-event/event(x)/name +Date: January 2017 +Contact: Chanwoo Choi <cw00.choi@samsung.com> +Description: + The /sys/class/devfreq-event/event(x)/name attribute contains + the name of the devfreq-event object. This attribute is + read-only. + +What: /sys/class/devfreq-event/event(x)/enable_count +Date: January 2017 +Contact: Chanwoo Choi <cw00.choi@samsung.com> +Description: + The /sys/class/devfreq-event/event(x)/enable_count attribute + contains the reference count to enable the devfreq-event + object. If the device is enabled, the value of attribute is + greater than zero. diff --git a/Documentation/ABI/testing/sysfs-class-led b/Documentation/ABI/testing/sysfs-class-led index 491cdeedc195..5f67f7ab277b 100644 --- a/Documentation/ABI/testing/sysfs-class-led +++ b/Documentation/ABI/testing/sysfs-class-led @@ -23,6 +23,23 @@ Description: If the LED does not support different brightness levels, this should be 1. +What: /sys/class/leds/<led>/brightness_hw_changed +Date: January 2017 +KernelVersion: 4.11 +Description: + Last hardware set brightness level for this LED. Some LEDs + may be changed autonomously by hardware/firmware. Only LEDs + where this happens and the driver can detect this, will have + this file. + + This file supports poll() to detect when the hardware changes + the brightness. + + Reading this file will return the last brightness level set + by the hardware, this may be different from the current + brightness. Reading this file when no hw brightness change + event has happened will return an ENODATA error. + What: /sys/class/leds/<led>/trigger Date: March 2006 KernelVersion: 2.6.17 diff --git a/Documentation/ABI/testing/sysfs-class-rc b/Documentation/ABI/testing/sysfs-class-rc index b65674da43bb..8be1fd3760e0 100644 --- a/Documentation/ABI/testing/sysfs-class-rc +++ b/Documentation/ABI/testing/sysfs-class-rc @@ -62,18 +62,18 @@ Description: This value may be reset to 0 if the current protocol is altered. What: /sys/class/rc/rcN/wakeup_protocols -Date: Feb 2014 -KernelVersion: 3.15 +Date: Feb 2017 +KernelVersion: 4.11 Contact: Mauro Carvalho Chehab <m.chehab@samsung.com> Description: Reading this file returns a list of available protocols to use for the wakeup filter, something like: - "rc5 rc6 nec jvc [sony]" + "rc-5 nec nec-x rc-6-0 rc-6-6a-24 [rc-6-6a-32] rc-6-mce" + Note that protocol variants are listed, so "nec", "sony", + "rc-5", "rc-6" have their different bit length encodings + listed if available. The enabled wakeup protocol is shown in [] brackets. - Writing "+proto" will add a protocol to the list of enabled - wakeup protocols. - Writing "-proto" will remove a protocol from the list of enabled - wakeup protocols. + Only one protocol can be selected at a time. Writing "proto" will use "proto" for wakeup events. Writing "none" will disable wakeup. Write fails with EINVAL if an invalid protocol combination or diff --git a/Documentation/ABI/testing/sysfs-platform-hidma b/Documentation/ABI/testing/sysfs-platform-hidma index d36441538660..fca40a54df59 100644 --- a/Documentation/ABI/testing/sysfs-platform-hidma +++ b/Documentation/ABI/testing/sysfs-platform-hidma @@ -2,7 +2,7 @@ What: /sys/devices/platform/hidma-*/chid /sys/devices/platform/QCOM8061:*/chid Date: Dec 2015 KernelVersion: 4.4 -Contact: "Sinan Kaya <okaya@cudeaurora.org>" +Contact: "Sinan Kaya <okaya@codeaurora.org>" Description: Contains the ID of the channel within the HIDMA instance. It is used to associate a given HIDMA channel with the diff --git a/Documentation/ABI/testing/sysfs-platform-hidma-mgmt b/Documentation/ABI/testing/sysfs-platform-hidma-mgmt index c2fb5d033f0e..3b6c5c9eabdc 100644 --- a/Documentation/ABI/testing/sysfs-platform-hidma-mgmt +++ b/Documentation/ABI/testing/sysfs-platform-hidma-mgmt @@ -2,7 +2,7 @@ What: /sys/devices/platform/hidma-mgmt*/chanops/chan*/priority /sys/devices/platform/QCOM8060:*/chanops/chan*/priority Date: Nov 2015 KernelVersion: 4.4 -Contact: "Sinan Kaya <okaya@cudeaurora.org>" +Contact: "Sinan Kaya <okaya@codeaurora.org>" Description: Contains either 0 or 1 and indicates if the DMA channel is a low priority (0) or high priority (1) channel. @@ -11,7 +11,7 @@ What: /sys/devices/platform/hidma-mgmt*/chanops/chan*/weight /sys/devices/platform/QCOM8060:*/chanops/chan*/weight Date: Nov 2015 KernelVersion: 4.4 -Contact: "Sinan Kaya <okaya@cudeaurora.org>" +Contact: "Sinan Kaya <okaya@codeaurora.org>" Description: Contains 0..15 and indicates the weight of the channel among equal priority channels during round robin scheduling. @@ -20,7 +20,7 @@ What: /sys/devices/platform/hidma-mgmt*/chreset_timeout_cycles /sys/devices/platform/QCOM8060:*/chreset_timeout_cycles Date: Nov 2015 KernelVersion: 4.4 -Contact: "Sinan Kaya <okaya@cudeaurora.org>" +Contact: "Sinan Kaya <okaya@codeaurora.org>" Description: Contains the platform specific cycle value to wait after a reset command is issued. If the value is chosen too short, @@ -32,7 +32,7 @@ What: /sys/devices/platform/hidma-mgmt*/dma_channels /sys/devices/platform/QCOM8060:*/dma_channels Date: Nov 2015 KernelVersion: 4.4 -Contact: "Sinan Kaya <okaya@cudeaurora.org>" +Contact: "Sinan Kaya <okaya@codeaurora.org>" Description: Contains the number of dma channels supported by one instance of HIDMA hardware. The value may change from chip to chip. @@ -41,7 +41,7 @@ What: /sys/devices/platform/hidma-mgmt*/hw_version_major /sys/devices/platform/QCOM8060:*/hw_version_major Date: Nov 2015 KernelVersion: 4.4 -Contact: "Sinan Kaya <okaya@cudeaurora.org>" +Contact: "Sinan Kaya <okaya@codeaurora.org>" Description: Version number major for the hardware. @@ -49,7 +49,7 @@ What: /sys/devices/platform/hidma-mgmt*/hw_version_minor /sys/devices/platform/QCOM8060:*/hw_version_minor Date: Nov 2015 KernelVersion: 4.4 -Contact: "Sinan Kaya <okaya@cudeaurora.org>" +Contact: "Sinan Kaya <okaya@codeaurora.org>" Description: Version number minor for the hardware. @@ -57,7 +57,7 @@ What: /sys/devices/platform/hidma-mgmt*/max_rd_xactions /sys/devices/platform/QCOM8060:*/max_rd_xactions Date: Nov 2015 KernelVersion: 4.4 -Contact: "Sinan Kaya <okaya@cudeaurora.org>" +Contact: "Sinan Kaya <okaya@codeaurora.org>" Description: Contains a value between 0 and 31. Maximum number of read transactions that can be issued back to back. @@ -69,7 +69,7 @@ What: /sys/devices/platform/hidma-mgmt*/max_read_request /sys/devices/platform/QCOM8060:*/max_read_request Date: Nov 2015 KernelVersion: 4.4 -Contact: "Sinan Kaya <okaya@cudeaurora.org>" +Contact: "Sinan Kaya <okaya@codeaurora.org>" Description: Size of each read request. The value needs to be a power of two and can be between 128 and 1024. @@ -78,7 +78,7 @@ What: /sys/devices/platform/hidma-mgmt*/max_wr_xactions /sys/devices/platform/QCOM8060:*/max_wr_xactions Date: Nov 2015 KernelVersion: 4.4 -Contact: "Sinan Kaya <okaya@cudeaurora.org>" +Contact: "Sinan Kaya <okaya@codeaurora.org>" Description: Contains a value between 0 and 31. Maximum number of write transactions that can be issued back to back. @@ -91,7 +91,7 @@ What: /sys/devices/platform/hidma-mgmt*/max_write_request /sys/devices/platform/QCOM8060:*/max_write_request Date: Nov 2015 KernelVersion: 4.4 -Contact: "Sinan Kaya <okaya@cudeaurora.org>" +Contact: "Sinan Kaya <okaya@codeaurora.org>" Description: Size of each write request. The value needs to be a power of two and can be between 128 and 1024. |