diff options
Diffstat (limited to 'Documentation/devicetree')
19 files changed, 402 insertions, 10 deletions
diff --git a/Documentation/devicetree/bindings/ata/ahci-dm816.txt b/Documentation/devicetree/bindings/ata/ahci-dm816.txt new file mode 100644 index 000000000000..f8c535f3541f --- /dev/null +++ b/Documentation/devicetree/bindings/ata/ahci-dm816.txt @@ -0,0 +1,21 @@ +Device tree binding for the TI DM816 AHCI SATA Controller +--------------------------------------------------------- + +Required properties: + - compatible: must be "ti,dm816-ahci" + - reg: physical base address and size of the register region used by + the controller (as defined by the AHCI 1.1 standard) + - interrupts: interrupt specifier (refer to the interrupt binding) + - clocks: list of phandle and clock specifier pairs (or only + phandles for clock providers with '0' defined for + #clock-cells); two clocks must be specified: the functional + clock and an external reference clock + +Example: + + sata: sata@4a140000 { + compatible = "ti,dm816-ahci"; + reg = <0x4a140000 0x10000>; + interrupts = <16>; + clocks = <&sysclk5_ck>, <&sata_refclk>; + }; diff --git a/Documentation/devicetree/bindings/hwmon/ads7828.txt b/Documentation/devicetree/bindings/hwmon/ads7828.txt new file mode 100644 index 000000000000..fe0cc4ad7ea9 --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/ads7828.txt @@ -0,0 +1,25 @@ +ads7828 properties + +Required properties: +- compatible: Should be one of + ti,ads7828 + ti,ads7830 +- reg: I2C address + +Optional properties: + +- ti,differential-input + Set to use the device in differential mode. +- vref-supply + The external reference on the device is set to this regulators output. If it + does not exists the internal reference will be used and output by the ads78xx + on the "external vref" pin. + + Example ADS7828 node: + + ads7828: ads@48 { + comatible = "ti,ads7828"; + reg = <0x48>; + vref-supply = <&vref>; + ti,differential-input; + }; diff --git a/Documentation/devicetree/bindings/hwmon/aspeed-pwm-tacho.txt b/Documentation/devicetree/bindings/hwmon/aspeed-pwm-tacho.txt new file mode 100644 index 000000000000..cf4460564adb --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/aspeed-pwm-tacho.txt @@ -0,0 +1,68 @@ +ASPEED AST2400/AST2500 PWM and Fan Tacho controller device driver + +The ASPEED PWM controller can support upto 8 PWM outputs. The ASPEED Fan Tacho +controller can support upto 16 Fan tachometer inputs. + +There can be upto 8 fans supported. Each fan can have one PWM output and +one/two Fan tach inputs. + +Required properties for pwm-tacho node: +- #address-cells : should be 1. + +- #size-cells : should be 1. + +- reg : address and length of the register set for the device. + +- pinctrl-names : a pinctrl state named "default" must be defined. + +- pinctrl-0 : phandle referencing pin configuration of the PWM ports. + +- compatible : should be "aspeed,ast2400-pwm-tacho" for AST2400 and + "aspeed,ast2500-pwm-tacho" for AST2500. + +- clocks : a fixed clock providing input clock frequency(PWM + and Fan Tach clock) + +fan subnode format: +=================== +Under fan subnode there can upto 8 child nodes, with each child node +representing a fan. If there are 8 fans each fan can have one PWM port and +one/two Fan tach inputs. + +Required properties for each child node: +- reg : should specify PWM source port. + integer value in the range 0 to 7 with 0 indicating PWM port A and + 7 indicating PWM port H. + +- aspeed,fan-tach-ch : should specify the Fan tach input channel. + integer value in the range 0 through 15, with 0 indicating + Fan tach channel 0 and 15 indicating Fan tach channel 15. + Atleast one Fan tach input channel is required. + +Examples: + +pwm_tacho_fixed_clk: fixedclk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <24000000>; +}; + +pwm_tacho: pwmtachocontroller@1e786000 { + #address-cells = <1>; + #size-cells = <1>; + reg = <0x1E786000 0x1000>; + compatible = "aspeed,ast2500-pwm-tacho"; + clocks = <&pwm_tacho_fixed_clk>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pwm0_default &pinctrl_pwm1_default>; + + fan@0 { + reg = <0x00>; + aspeed,fan-tach-ch = /bits/ 8 <0x00>; + }; + + fan@1 { + reg = <0x01>; + aspeed,fan-tach-ch = /bits/ 8 <0x01 0x02>; + }; +}; diff --git a/Documentation/devicetree/bindings/hwmon/lm87.txt b/Documentation/devicetree/bindings/hwmon/lm87.txt new file mode 100644 index 000000000000..e1b79903f204 --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/lm87.txt @@ -0,0 +1,30 @@ +*LM87 hwmon sensor. + +Required properties: +- compatible: Should be + "ti,lm87" + +- reg: I2C address + +optional properties: +- has-temp3: This configures pins 18 and 19 to be used as a second + remote temperature sensing channel. By default the pins + are configured as voltage input pins in0 and in5. + +- has-in6: When set, pin 5 is configured to be used as voltage input + in6. Otherwise the pin is set as FAN1 input. + +- has-in7: When set, pin 6 is configured to be used as voltage input + in7. Otherwise the pin is set as FAN2 input. + +- vcc-supply: a Phandle for the regulator supplying power, can be + cofigured to measure 5.0V power supply. Default is 3.3V. + +Example: + +lm87@2e { + compatible = "ti,lm87"; + reg = <0x2e>; + has-temp3; + vcc-supply = <®_5v0>; +}; diff --git a/Documentation/devicetree/bindings/ipmi/aspeed,ast2400-ibt-bmc.txt b/Documentation/devicetree/bindings/ipmi/aspeed,ast2400-ibt-bmc.txt index 6f28969af9dc..028268fd99ee 100644 --- a/Documentation/devicetree/bindings/ipmi/aspeed,ast2400-ibt-bmc.txt +++ b/Documentation/devicetree/bindings/ipmi/aspeed,ast2400-ibt-bmc.txt @@ -6,7 +6,9 @@ perform in-band IPMI communication with their host. Required properties: -- compatible : should be "aspeed,ast2400-ibt-bmc" +- compatible : should be one of + "aspeed,ast2400-ibt-bmc" + "aspeed,ast2500-ibt-bmc" - reg: physical address and size of the registers Optional properties: diff --git a/Documentation/devicetree/bindings/leds/leds-cpcap.txt b/Documentation/devicetree/bindings/leds/leds-cpcap.txt new file mode 100644 index 000000000000..ebf7cdc7f70c --- /dev/null +++ b/Documentation/devicetree/bindings/leds/leds-cpcap.txt @@ -0,0 +1,29 @@ +Motorola CPCAP PMIC LEDs +------------------------ + +This module is part of the CPCAP. For more details about the whole +chip see Documentation/devicetree/bindings/mfd/motorola-cpcap.txt. + +Requires node properties: +- compatible: should be one of + * "motorola,cpcap-led-mdl" (Main Display Lighting) + * "motorola,cpcap-led-kl" (Keyboard Lighting) + * "motorola,cpcap-led-adl" (Aux Display Lighting) + * "motorola,cpcap-led-red" (Red Triode) + * "motorola,cpcap-led-green" (Green Triode) + * "motorola,cpcap-led-blue" (Blue Triode) + * "motorola,cpcap-led-cf" (Camera Flash) + * "motorola,cpcap-led-bt" (Bluetooth) + * "motorola,cpcap-led-cp" (Camera Privacy LED) +- label: see Documentation/devicetree/bindings/leds/common.txt +- vdd-supply: A phandle to the regulator powering the LED + +Example: + +&cpcap { + cpcap_led_red: red-led { + compatible = "motorola,cpcap-led-red"; + label = "cpcap:red"; + vdd-supply = <&sw5>; + }; +}; diff --git a/Documentation/devicetree/bindings/leds/leds-mt6323.txt b/Documentation/devicetree/bindings/leds/leds-mt6323.txt new file mode 100644 index 000000000000..45bf9f7d85f3 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/leds-mt6323.txt @@ -0,0 +1,60 @@ +Device Tree Bindings for LED support on MT6323 PMIC + +MT6323 LED controller is subfunction provided by MT6323 PMIC, so the LED +controllers are defined as the subnode of the function node provided by MT6323 +PMIC controller that is being defined as one kind of Muti-Function Device (MFD) +using shared bus called PMIC wrapper for each subfunction to access remote +MT6323 PMIC hardware. + +For MT6323 MFD bindings see: +Documentation/devicetree/bindings/mfd/mt6397.txt +For MediaTek PMIC wrapper bindings see: +Documentation/devicetree/bindings/soc/mediatek/pwrap.txt + +Required properties: +- compatible : Must be "mediatek,mt6323-led" +- address-cells : Must be 1 +- size-cells : Must be 0 + +Each led is represented as a child node of the mediatek,mt6323-led that +describes the initial behavior for each LED physically and currently only four +LED child nodes can be supported. + +Required properties for the LED child node: +- reg : LED channel number (0..3) + +Optional properties for the LED child node: +- label : See Documentation/devicetree/bindings/leds/common.txt +- linux,default-trigger : See Documentation/devicetree/bindings/leds/common.txt +- default-state: See Documentation/devicetree/bindings/leds/common.txt + +Example: + + mt6323: pmic { + compatible = "mediatek,mt6323"; + + ... + + mt6323led: leds { + compatible = "mediatek,mt6323-led"; + #address-cells = <1>; + #size-cells = <0>; + + led@0 { + reg = <0>; + label = "LED0"; + linux,default-trigger = "timer"; + default-state = "on"; + }; + led@1 { + reg = <1>; + label = "LED1"; + default-state = "off"; + }; + led@2 { + reg = <2>; + label = "LED2"; + default-state = "on"; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/leds/leds-pca9532.txt b/Documentation/devicetree/bindings/leds/leds-pca9532.txt index 198f3ba0e01f..f769c52e3643 100644 --- a/Documentation/devicetree/bindings/leds/leds-pca9532.txt +++ b/Documentation/devicetree/bindings/leds/leds-pca9532.txt @@ -17,6 +17,8 @@ Optional sub-node properties: - label: see Documentation/devicetree/bindings/leds/common.txt - type: Output configuration, see dt-bindings/leds/leds-pca9532.h (default NONE) - linux,default-trigger: see Documentation/devicetree/bindings/leds/common.txt + - default-state: see Documentation/devicetree/bindings/leds/common.txt + This property is only valid for sub-nodes of type <PCA9532_TYPE_LED>. Example: #include <dt-bindings/leds/leds-pca9532.h> @@ -33,6 +35,14 @@ Example: label = "pca:green:power"; type = <PCA9532_TYPE_LED>; }; + kernel-booting { + type = <PCA9532_TYPE_LED>; + default-state = "on"; + }; + sys-stat { + type = <PCA9532_TYPE_LED>; + default-state = "keep"; // don't touch, was set by U-Boot + }; }; For more product information please see the link below: diff --git a/Documentation/devicetree/bindings/mailbox/brcm,iproc-flexrm-mbox.txt b/Documentation/devicetree/bindings/mailbox/brcm,iproc-flexrm-mbox.txt new file mode 100644 index 000000000000..752ae6b00d26 --- /dev/null +++ b/Documentation/devicetree/bindings/mailbox/brcm,iproc-flexrm-mbox.txt @@ -0,0 +1,59 @@ +Broadcom FlexRM Ring Manager +============================ +The Broadcom FlexRM ring manager provides a set of rings which can be +used to submit work to offload engines. An SoC may have multiple FlexRM +hardware blocks. There is one device tree entry per FlexRM block. The +FlexRM driver will create a mailbox-controller instance for given FlexRM +hardware block where each mailbox channel is a separate FlexRM ring. + +Required properties: +-------------------- +- compatible: Should be "brcm,iproc-flexrm-mbox" +- reg: Specifies base physical address and size of the FlexRM + ring registers +- msi-parent: Phandles (and potential Device IDs) to MSI controllers + The FlexRM engine will send MSIs (instead of wired + interrupts) to CPU. There is one MSI for each FlexRM ring. + Refer devicetree/bindings/interrupt-controller/msi.txt +- #mbox-cells: Specifies the number of cells needed to encode a mailbox + channel. This should be 3. + + The 1st cell is the mailbox channel number. + + The 2nd cell contains MSI completion threshold. This is the + number of completion messages for which FlexRM will inject + one MSI interrupt to CPU. + + The 3nd cell contains MSI timer value representing time for + which FlexRM will wait to accumulate N completion messages + where N is the value specified by 2nd cell above. If FlexRM + does not get required number of completion messages in time + specified by this cell then it will inject one MSI interrupt + to CPU provided atleast one completion message is available. + +Optional properties: +-------------------- +- dma-coherent: Present if DMA operations made by the FlexRM engine (such + as DMA descriptor access, access to buffers pointed by DMA + descriptors and read/write pointer updates to DDR) are + cache coherent with the CPU. + +Example: +-------- +crypto_mbox: mbox@67000000 { + compatible = "brcm,iproc-flexrm-mbox"; + reg = <0x67000000 0x200000>; + msi-parent = <&gic_its 0x7f00>; + #mbox-cells = <3>; +}; + +crypto@672c0000 { + compatible = "brcm,spu2-v2-crypto"; + reg = <0x672c0000 0x1000>; + mboxes = <&crypto_mbox 0 0x1 0xffff>, + <&crypto_mbox 1 0x1 0xffff>, + <&crypto_mbox 16 0x1 0xffff>, + <&crypto_mbox 17 0x1 0xffff>, + <&crypto_mbox 30 0x1 0xffff>, + <&crypto_mbox 31 0x1 0xffff>; +}; diff --git a/Documentation/devicetree/bindings/mailbox/brcm,iproc-pdc-mbox.txt b/Documentation/devicetree/bindings/mailbox/brcm,iproc-pdc-mbox.txt index 411ccf421584..0f3ee81d92c2 100644 --- a/Documentation/devicetree/bindings/mailbox/brcm,iproc-pdc-mbox.txt +++ b/Documentation/devicetree/bindings/mailbox/brcm,iproc-pdc-mbox.txt @@ -1,9 +1,11 @@ The PDC driver manages data transfer to and from various offload engines on some Broadcom SoCs. An SoC may have multiple PDC hardware blocks. There is -one device tree entry per block. +one device tree entry per block. On some chips, the PDC functionality is +handled by the FA2 (Northstar Plus). Required properties: -- compatible : Should be "brcm,iproc-pdc-mbox". +- compatible : Should be "brcm,iproc-pdc-mbox" or "brcm,iproc-fa2-mbox" for + FA2/Northstar Plus. - reg: Should contain PDC registers location and length. - interrupts: Should contain the IRQ line for the PDC. - #mbox-cells: 1 diff --git a/Documentation/devicetree/bindings/power/power_domain.txt b/Documentation/devicetree/bindings/power/power_domain.txt index 723e1ad937da..14bd9e945ff6 100644 --- a/Documentation/devicetree/bindings/power/power_domain.txt +++ b/Documentation/devicetree/bindings/power/power_domain.txt @@ -31,7 +31,9 @@ Optional properties: - domain-idle-states : A phandle of an idle-state that shall be soaked into a generic domain power state. The idle state definitions are - compatible with domain-idle-state specified in [1]. + compatible with domain-idle-state specified in [1]. phandles + that are not compatible with domain-idle-state will be + ignored. The domain-idle-state property reflects the idle state of this PM domain and not the idle states of the devices or sub-domains in the PM domain. Devices and sub-domains have their own idle-states independent of the parent @@ -79,7 +81,7 @@ Example 3: child: power-controller@12341000 { compatible = "foo,power-controller"; reg = <0x12341000 0x1000>; - power-domains = <&parent 0>; + power-domains = <&parent>; #power-domain-cells = <0>; domain-idle-states = <&DOMAIN_PWR_DN>; }; diff --git a/Documentation/devicetree/bindings/power/reset/gemini-poweroff.txt b/Documentation/devicetree/bindings/power/reset/gemini-poweroff.txt new file mode 100644 index 000000000000..7fec3e100214 --- /dev/null +++ b/Documentation/devicetree/bindings/power/reset/gemini-poweroff.txt @@ -0,0 +1,17 @@ +* Device-Tree bindings for Cortina Systems Gemini Poweroff + +This is a special IP block in the Cortina Gemini SoC that only +deals with different ways to power the system down. + +Required properties: +- compatible: should be "cortina,gemini-power-controller" +- reg: should contain the physical memory base and size +- interrupts: should contain the power management interrupt + +Example: + +power-controller@4b000000 { + compatible = "cortina,gemini-power-controller"; + reg = <0x4b000000 0x100>; + interrupts = <26 IRQ_TYPE_EDGE_FALLING>; +}; diff --git a/Documentation/devicetree/bindings/power/reset/syscon-poweroff.txt b/Documentation/devicetree/bindings/power/reset/syscon-poweroff.txt index 1e2546f8b08a..022ed1f3bc80 100644 --- a/Documentation/devicetree/bindings/power/reset/syscon-poweroff.txt +++ b/Documentation/devicetree/bindings/power/reset/syscon-poweroff.txt @@ -3,13 +3,20 @@ Generic SYSCON mapped register poweroff driver This is a generic poweroff driver using syscon to map the poweroff register. The poweroff is generally performed with a write to the poweroff register defined by the register map pointed by syscon reference plus the offset -with the mask defined in the poweroff node. +with the value and mask defined in the poweroff node. Required properties: - compatible: should contain "syscon-poweroff" - regmap: this is phandle to the register map node - offset: offset in the register map for the poweroff register (in bytes) -- mask: the poweroff value written to the poweroff register (32 bit access) +- value: the poweroff value written to the poweroff register (32 bit access) + +Optional properties: +- mask: update only the register bits defined by the mask (32 bit) + +Legacy usage: +If a node doesn't contain a value property but contains a mask property, the +mask property is used as the value. Default will be little endian mode, 32 bit access only. diff --git a/Documentation/devicetree/bindings/power/rockchip-io-domain.txt b/Documentation/devicetree/bindings/power/rockchip-io-domain.txt index d23dc002a87e..d3a5a93a65cd 100644 --- a/Documentation/devicetree/bindings/power/rockchip-io-domain.txt +++ b/Documentation/devicetree/bindings/power/rockchip-io-domain.txt @@ -33,6 +33,7 @@ Required properties: - compatible: should be one of: - "rockchip,rk3188-io-voltage-domain" for rk3188 - "rockchip,rk3288-io-voltage-domain" for rk3288 + - "rockchip,rk3328-io-voltage-domain" for rk3328 - "rockchip,rk3368-io-voltage-domain" for rk3368 - "rockchip,rk3368-pmu-io-voltage-domain" for rk3368 pmu-domains - "rockchip,rk3399-io-voltage-domain" for rk3399 diff --git a/Documentation/devicetree/bindings/power/supply/cpcap-charger.txt b/Documentation/devicetree/bindings/power/supply/cpcap-charger.txt new file mode 100644 index 000000000000..80bd873c3b1d --- /dev/null +++ b/Documentation/devicetree/bindings/power/supply/cpcap-charger.txt @@ -0,0 +1,37 @@ +Motorola CPCAP PMIC battery charger binding + +Required properties: +- compatible: Shall be "motorola,mapphone-cpcap-charger" +- interrupts: Interrupt specifier for each name in interrupt-names +- interrupt-names: Should contain the following entries: + "chrg_det", "rvrs_chrg", "chrg_se1b", "se0conn", + "rvrs_mode", "chrgcurr1", "vbusvld", "battdetb" +- io-channels: IIO ADC channel specifier for each name in io-channel-names +- io-channel-names: Should contain the following entries: + "battdetb", "battp", "vbus", "chg_isense", "batti" + +Optional properties: +- mode-gpios: Optionally CPCAP charger can have a companion wireless + charge controller that is controlled with two GPIOs + that are active low. + +Example: + +cpcap_charger: charger { + compatible = "motorola,mapphone-cpcap-charger"; + interrupts-extended = < + &cpcap 13 0 &cpcap 12 0 &cpcap 29 0 &cpcap 28 0 + &cpcap 22 0 &cpcap 20 0 &cpcap 19 0 &cpcap 54 0 + >; + interrupt-names = + "chrg_det", "rvrs_chrg", "chrg_se1b", "se0conn", + "rvrs_mode", "chrgcurr1", "vbusvld", "battdetb"; + mode-gpios = <&gpio3 29 GPIO_ACTIVE_LOW + &gpio3 23 GPIO_ACTIVE_LOW>; + io-channels = <&cpcap_adc 0 &cpcap_adc 1 + &cpcap_adc 2 &cpcap_adc 5 + &cpcap_adc 6>; + io-channel-names = "battdetb", "battp", + "vbus", "chg_isense", + "batti"; +}; diff --git a/Documentation/devicetree/bindings/power/supply/lego_ev3_battery.txt b/Documentation/devicetree/bindings/power/supply/lego_ev3_battery.txt new file mode 100644 index 000000000000..5485633b1faa --- /dev/null +++ b/Documentation/devicetree/bindings/power/supply/lego_ev3_battery.txt @@ -0,0 +1,21 @@ +LEGO MINDSTORMS EV3 Battery +~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +LEGO MINDSTORMS EV3 has some built-in capability for monitoring the battery. +It uses 6 AA batteries or a special Li-ion rechargeable battery pack that is +detected by a key switch in the battery compartment. + +Required properties: + - compatible: Must be "lego,ev3-battery" + - io-channels: phandles to analog inputs for reading voltage and current + - io-channel-names: Must be "voltage", "current" + - rechargeable-gpios: phandle to the rechargeable battery indication gpio + +Example: + + battery { + compatible = "lego,ev3-battery"; + io-channels = <&adc 4>, <&adc 3>; + io-channel-names = "voltage", "current"; + rechargeable-gpios = <&gpio 136 GPIO_ACTIVE_LOW>; + }; diff --git a/Documentation/devicetree/bindings/power/supply/ltc2941.txt b/Documentation/devicetree/bindings/power/supply/ltc2941.txt index ea42ae12d924..a9d7aa60558b 100644 --- a/Documentation/devicetree/bindings/power/supply/ltc2941.txt +++ b/Documentation/devicetree/bindings/power/supply/ltc2941.txt @@ -6,8 +6,8 @@ temperature monitoring, and uses a slightly different conversion formula for the charge counter. Required properties: -- compatible: Should contain "ltc2941" or "ltc2943" which also indicates the - type of I2C chip attached. +- compatible: Should contain "lltc,ltc2941" or "lltc,ltc2943" which also + indicates the type of I2C chip attached. - reg: The 7-bit I2C address. - lltc,resistor-sense: The sense resistor value in milli-ohms. Can be a 32-bit negative value when the battery has been connected to the wrong end of the @@ -20,7 +20,7 @@ Required properties: Example from the Topic Miami Florida board: fuelgauge: ltc2943@64 { - compatible = "ltc2943"; + compatible = "lltc,ltc2943"; reg = <0x64>; lltc,resistor-sense = <15>; lltc,prescaler-exponent = <5>; /* 2^(2*5) = 1024 */ diff --git a/Documentation/devicetree/bindings/power/supply/max8925_batter.txt b/Documentation/devicetree/bindings/power/supply/max8925_battery.txt index d7e3e0c0f71d..d7e3e0c0f71d 100644 --- a/Documentation/devicetree/bindings/power/supply/max8925_batter.txt +++ b/Documentation/devicetree/bindings/power/supply/max8925_battery.txt diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt index ec0bfb9bbebd..830c9987fa02 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.txt +++ b/Documentation/devicetree/bindings/vendor-prefixes.txt @@ -265,6 +265,7 @@ sbs Smart Battery System schindler Schindler seagate Seagate Technology PLC semtech Semtech Corporation +sensirion Sensirion AG sgx SGX Sensortech sharp Sharp Corporation si-en Si-En Technology Ltd. |