diff options
Diffstat (limited to 'Documentation/devicetree/bindings')
10 files changed, 237 insertions, 23 deletions
diff --git a/Documentation/devicetree/bindings/clock/imx23-clock.txt b/Documentation/devicetree/bindings/clock/imx23-clock.txt index baadbb11fe9..5083c0b834b 100644 --- a/Documentation/devicetree/bindings/clock/imx23-clock.txt +++ b/Documentation/devicetree/bindings/clock/imx23-clock.txt @@ -60,11 +60,6 @@ clks: clkctrl@80040000 { compatible = "fsl,imx23-clkctrl"; reg = <0x80040000 0x2000>; #clock-cells = <1>; - clock-output-names = - ... - "uart", /* 32 */ - ... - "end_of_list"; }; auart0: serial@8006c000 { diff --git a/Documentation/devicetree/bindings/clock/imx25-clock.txt b/Documentation/devicetree/bindings/clock/imx25-clock.txt index c2a3525ecb4..db4f2f05c4d 100644 --- a/Documentation/devicetree/bindings/clock/imx25-clock.txt +++ b/Documentation/devicetree/bindings/clock/imx25-clock.txt @@ -146,10 +146,6 @@ clks: ccm@53f80000 { compatible = "fsl,imx25-ccm"; reg = <0x53f80000 0x4000>; interrupts = <31>; - clock-output-names = ... - "uart_ipg", - "uart_serial", - ...; }; uart1: serial@43f90000 { diff --git a/Documentation/devicetree/bindings/clock/imx28-clock.txt b/Documentation/devicetree/bindings/clock/imx28-clock.txt index 52a49a4a50b..e6587af62ff 100644 --- a/Documentation/devicetree/bindings/clock/imx28-clock.txt +++ b/Documentation/devicetree/bindings/clock/imx28-clock.txt @@ -83,11 +83,6 @@ clks: clkctrl@80040000 { compatible = "fsl,imx28-clkctrl"; reg = <0x80040000 0x2000>; #clock-cells = <1>; - clock-output-names = - ... - "uart", /* 45 */ - ... - "end_of_list"; }; auart0: serial@8006a000 { diff --git a/Documentation/devicetree/bindings/clock/imx6q-clock.txt b/Documentation/devicetree/bindings/clock/imx6q-clock.txt index d77b4e68dc4..f73fdf59556 100644 --- a/Documentation/devicetree/bindings/clock/imx6q-clock.txt +++ b/Documentation/devicetree/bindings/clock/imx6q-clock.txt @@ -211,10 +211,6 @@ clks: ccm@020c4000 { reg = <0x020c4000 0x4000>; interrupts = <0 87 0x04 0 88 0x04>; #clock-cells = <1>; - clock-output-names = ... - "uart_ipg", - "uart_serial", - ...; }; uart1: serial@02020000 { diff --git a/Documentation/devicetree/bindings/gpio/gpio-poweroff.txt b/Documentation/devicetree/bindings/gpio/gpio-poweroff.txt index 558cdf3c9ab..d4eab9227ea 100644 --- a/Documentation/devicetree/bindings/gpio/gpio-poweroff.txt +++ b/Documentation/devicetree/bindings/gpio/gpio-poweroff.txt @@ -1,4 +1,19 @@ -GPIO line that should be set high/low to power off a device +Driver a GPIO line that can be used to turn the power off. + +The driver supports both level triggered and edge triggered power off. +At driver load time, the driver will request the given gpio line and +install a pm_power_off handler. If the optional properties 'input' is +not found, the GPIO line will be driven in the inactive +state. Otherwise its configured as an input. + +When the pm_power_off is called, the gpio is configured as an output, +and drive active, so triggering a level triggered power off +condition. This will also cause an inactive->active edge condition, so +triggering positive edge triggered power off. After a delay of 100ms, +the GPIO is set to inactive, thus causing an active->inactive edge, +triggering negative edge triggered power off. After another 100ms +delay the GPIO is driver active again. If the power is still on and +the CPU still running after a 3000ms delay, a WARN_ON(1) is emitted. Required properties: - compatible : should be "gpio-poweroff". @@ -13,10 +28,9 @@ Optional properties: property is not specified, the GPIO is initialized as an output in its inactive state. - Examples: gpio-poweroff { compatible = "gpio-poweroff"; - gpios = <&gpio 4 0>; /* GPIO 4 Active Low */ + gpios = <&gpio 4 0>; }; diff --git a/Documentation/devicetree/bindings/pinctrl/atmel,at91-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/atmel,at91-pinctrl.txt index 3a268127b05..bc50899e0c8 100644 --- a/Documentation/devicetree/bindings/pinctrl/atmel,at91-pinctrl.txt +++ b/Documentation/devicetree/bindings/pinctrl/atmel,at91-pinctrl.txt @@ -81,7 +81,8 @@ PA31 TXD4 Required properties for pin configuration node: - atmel,pins: 4 integers array, represents a group of pins mux and config setting. The format is atmel,pins = <PIN_BANK PIN_BANK_NUM PERIPH CONFIG>. - The PERIPH 0 means gpio. + The PERIPH 0 means gpio, PERIPH 1 is periph A, PERIPH 2 is periph B... + PIN_BANK 0 is pioA, PIN_BANK 1 is pioB... Bits used for CONFIG: PULL_UP (1 << 0): indicate this pin need a pull up. @@ -126,7 +127,7 @@ pinctrl@fffff400 { pinctrl_dbgu: dbgu-0 { atmel,pins = <1 14 0x1 0x0 /* PB14 periph A */ - 1 15 0x1 0x1>; /* PB15 periph with pullup */ + 1 15 0x1 0x1>; /* PB15 periph A with pullup */ }; }; }; diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-sirf.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-sirf.txt new file mode 100644 index 00000000000..c596a6ad328 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-sirf.txt @@ -0,0 +1,47 @@ +CSR SiRFprimaII pinmux controller + +Required properties: +- compatible : "sirf,prima2-pinctrl" +- reg : Address range of the pinctrl registers +- interrupts : Interrupts used by every GPIO group +- gpio-controller : Indicates this device is a GPIO controller +- interrupt-controller : Marks the device node as an interrupt controller +Optional properties: +- sirf,pullups : if n-th bit of m-th bank is set, set a pullup on GPIO-n of bank m +- sirf,pulldowns : if n-th bit of m-th bank is set, set a pulldown on GPIO-n of bank m + +Please refer to pinctrl-bindings.txt in this directory for details of the common +pinctrl bindings used by client devices. + +SiRFprimaII's pinmux nodes act as a container for an abitrary number of subnodes. +Each of these subnodes represents some desired configuration for a group of pins. + +Required subnode-properties: +- sirf,pins : An array of strings. Each string contains the name of a group. +- sirf,function: A string containing the name of the function to mux to the + group. + + Valid values for group and function names can be found from looking at the + group and function arrays in driver files: + drivers/pinctrl/pinctrl-sirf.c + +For example, pinctrl might have subnodes like the following: + uart2_pins_a: uart2@0 { + uart { + sirf,pins = "uart2grp"; + sirf,function = "uart2"; + }; + }; + uart2_noflow_pins_a: uart2@1 { + uart { + sirf,pins = "uart2_nostreamctrlgrp"; + sirf,function = "uart2_nostreamctrl"; + }; + }; + +For a specific board, if it wants to use uart2 without hardware flow control, +it can add the following to its board-specific .dts file. +uart2: uart@0xb0070000 { + pinctrl-names = "default"; + pinctrl-0 = <&uart2_noflow_pins_a>; +} diff --git a/Documentation/devicetree/bindings/regulator/anatop-regulator.txt b/Documentation/devicetree/bindings/regulator/anatop-regulator.txt index 357758cb6e9..758eae24082 100644 --- a/Documentation/devicetree/bindings/regulator/anatop-regulator.txt +++ b/Documentation/devicetree/bindings/regulator/anatop-regulator.txt @@ -9,6 +9,11 @@ Required properties: - anatop-min-voltage: Minimum voltage of this regulator - anatop-max-voltage: Maximum voltage of this regulator +Optional properties: +- anatop-delay-reg-offset: Anatop MFD step time register offset +- anatop-delay-bit-shift: Bit shift for the step time register +- anatop-delay-bit-width: Number of bits used in the step time register + Any property defined as part of the core regulator binding, defined in regulator.txt, can also be used. @@ -23,6 +28,9 @@ Example: anatop-reg-offset = <0x140>; anatop-vol-bit-shift = <9>; anatop-vol-bit-width = <5>; + anatop-delay-reg-offset = <0x170>; + anatop-delay-bit-shift = <24>; + anatop-delay-bit-width = <2>; anatop-min-bit-val = <1>; anatop-min-voltage = <725000>; anatop-max-voltage = <1300000>; diff --git a/Documentation/devicetree/bindings/regulator/s5m8767-regulator.txt b/Documentation/devicetree/bindings/regulator/s5m8767-regulator.txt new file mode 100644 index 00000000000..a35ff99003a --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/s5m8767-regulator.txt @@ -0,0 +1,152 @@ +* Samsung S5M8767 Voltage and Current Regulator + +The Samsung S5M8767 is a multi-function device which includes volatage and +current regulators, rtc, charger controller and other sub-blocks. It is +interfaced to the host controller using a i2c interface. Each sub-block is +addressed by the host system using different i2c slave address. This document +describes the bindings for 'pmic' sub-block of s5m8767. + +Required properties: +- compatible: Should be "samsung,s5m8767-pmic". +- reg: Specifies the i2c slave address of the pmic block. It should be 0x66. + +- s5m8767,pmic-buck2-dvs-voltage: A set of 8 voltage values in micro-volt (uV) + units for buck2 when changing voltage using gpio dvs. Refer to [1] below + for additional information. + +- s5m8767,pmic-buck3-dvs-voltage: A set of 8 voltage values in micro-volt (uV) + units for buck3 when changing voltage using gpio dvs. Refer to [1] below + for additional information. + +- s5m8767,pmic-buck4-dvs-voltage: A set of 8 voltage values in micro-volt (uV) + units for buck4 when changing voltage using gpio dvs. Refer to [1] below + for additional information. + +- s5m8767,pmic-buck-ds-gpios: GPIO specifiers for three host gpio's used + for selecting GPIO DVS lines. It is one-to-one mapped to dvs gpio lines. + +[1] If none of the 's5m8767,pmic-buck[2/3/4]-uses-gpio-dvs' optional + property is specified, the 's5m8767,pmic-buck[2/3/4]-dvs-voltage' + property should specify atleast one voltage level (which would be a + safe operating voltage). + + If either of the 's5m8767,pmic-buck[2/3/4]-uses-gpio-dvs' optional + property is specified, then all the eight voltage values for the + 's5m8767,pmic-buck[2/3/4]-dvs-voltage' should be specified. + +Optional properties: +- interrupt-parent: Specifies the phandle of the interrupt controller to which + the interrupts from s5m8767 are delivered to. +- interrupts: Interrupt specifiers for two interrupt sources. + - First interrupt specifier is for 'irq1' interrupt. + - Second interrupt specifier is for 'alert' interrupt. +- s5m8767,pmic-buck2-uses-gpio-dvs: 'buck2' can be controlled by gpio dvs. +- s5m8767,pmic-buck3-uses-gpio-dvs: 'buck3' can be controlled by gpio dvs. +- s5m8767,pmic-buck4-uses-gpio-dvs: 'buck4' can be controlled by gpio dvs. + +Additional properties required if either of the optional properties are used: + +- s5m8767,pmic-buck234-default-dvs-idx: Default voltage setting selected from + the possible 8 options selectable by the dvs gpios. The value of this + property should be between 0 and 7. If not specified or if out of range, the + default value of this property is set to 0. + +- s5m8767,pmic-buck-dvs-gpios: GPIO specifiers for three host gpio's used + for dvs. The format of the gpio specifier depends in the gpio controller. + +Regulators: The regulators of s5m8767 that have to be instantiated should be +included in a sub-node named 'regulators'. Regulator nodes included in this +sub-node should be of the format as listed below. + + regulator_name { + ldo1_reg: LDO1 { + regulator-name = "VDD_ALIVE_1.0V"; + regulator-min-microvolt = <1100000>; + regulator-max-microvolt = <1100000>; + regulator-always-on; + regulator-boot-on; + op_mode = <1>; /* Normal Mode */ + }; + }; +The above regulator entries are defined in regulator bindings documentation +except op_mode description. + - op_mode: describes the different operating modes of the LDO's with + power mode change in SOC. The different possible values are, + 0 - always off mode + 1 - on in normal mode + 2 - low power mode + 3 - suspend mode + +The following are the names of the regulators that the s5m8767 pmic block +supports. Note: The 'n' in LDOn and BUCKn represents the LDO or BUCK number +as per the datasheet of s5m8767. + + - LDOn + - valid values for n are 1 to 28 + - Example: LDO0, LD01, LDO28 + - BUCKn + - valid values for n are 1 to 9. + - Example: BUCK1, BUCK2, BUCK9 + +The bindings inside the regulator nodes use the standard regulator bindings +which are documented elsewhere. + +Example: + + s5m8767_pmic@66 { + compatible = "samsung,s5m8767-pmic"; + reg = <0x66>; + + s5m8767,pmic-buck2-uses-gpio-dvs; + s5m8767,pmic-buck3-uses-gpio-dvs; + s5m8767,pmic-buck4-uses-gpio-dvs; + + s5m8767,pmic-buck-default-dvs-idx = <0>; + + s5m8767,pmic-buck-dvs-gpios = <&gpx0 0 1 0 0>, /* DVS1 */ + <&gpx0 1 1 0 0>, /* DVS2 */ + <&gpx0 2 1 0 0>; /* DVS3 */ + + s5m8767,pmic-buck-ds-gpios = <&gpx2 3 1 0 0>, /* SET1 */ + <&gpx2 4 1 0 0>, /* SET2 */ + <&gpx2 5 1 0 0>; /* SET3 */ + + s5m8767,pmic-buck2-dvs-voltage = <1350000>, <1300000>, + <1250000>, <1200000>, + <1150000>, <1100000>, + <1000000>, <950000>; + + s5m8767,pmic-buck3-dvs-voltage = <1100000>, <1100000>, + <1100000>, <1100000>, + <1000000>, <1000000>, + <1000000>, <1000000>; + + s5m8767,pmic-buck4-dvs-voltage = <1200000>, <1200000>, + <1200000>, <1200000>, + <1200000>, <1200000>, + <1200000>, <1200000>; + + regulators { + ldo1_reg: LDO1 { + regulator-name = "VDD_ABB_3.3V"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + op_mode = <1>; /* Normal Mode */ + }; + + ldo2_reg: LDO2 { + regulator-name = "VDD_ALIVE_1.1V"; + regulator-min-microvolt = <1100000>; + regulator-max-microvolt = <1100000>; + regulator-always-on; + }; + + buck1_reg: BUCK1 { + regulator-name = "VDD_MIF_1.2V"; + regulator-min-microvolt = <950000>; + regulator-max-microvolt = <1350000>; + regulator-always-on; + regulator-boot-on; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/watchdog/twl4030-wdt.txt b/Documentation/devicetree/bindings/watchdog/twl4030-wdt.txt new file mode 100644 index 00000000000..80a37193c0b --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/twl4030-wdt.txt @@ -0,0 +1,10 @@ +Device tree bindings for twl4030-wdt driver (TWL4030 watchdog) + +Required properties: + compatible = "ti,twl4030-wdt"; + +Example: + +watchdog { + compatible = "ti,twl4030-wdt"; +}; |