diff options
Diffstat (limited to 'Documentation/devicetree/bindings/mfd')
| -rw-r--r-- | Documentation/devicetree/bindings/mfd/arizona.txt | 24 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/mfd/palmas.txt | 2 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/mfd/s2mpa01.txt | 90 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/mfd/s2mps11.txt | 153 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/mfd/samsung,sec-core.txt | 88 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/mfd/syscon.txt | 4 |
6 files changed, 115 insertions, 246 deletions
diff --git a/Documentation/devicetree/bindings/mfd/arizona.txt b/Documentation/devicetree/bindings/mfd/arizona.txt index 18be0cbfb..9b30011ec 100644 --- a/Documentation/devicetree/bindings/mfd/arizona.txt +++ b/Documentation/devicetree/bindings/mfd/arizona.txt @@ -1,4 +1,4 @@ -Wolfson Arizona class audio SoCs +Cirrus Logic/Wolfson Microelectronics Arizona class audio SoCs These devices are audio SoCs with extensive digital capabilites and a range of analogue I/O. @@ -6,12 +6,14 @@ of analogue I/O. Required properties: - compatible : One of the following chip-specific strings: + "cirrus,cs47l24" "wlf,wm5102" "wlf,wm5110" "wlf,wm8280" "wlf,wm8997" "wlf,wm8998" "wlf,wm1814" + "wlf,wm1831" - reg : I2C slave address when connected using I2C, chip select number when using SPI. @@ -24,7 +26,7 @@ Required properties: - #interrupt-cells: the number of cells to describe an IRQ, this should be 2. The first cell is the IRQ number. The second cell is the flags, encoded as the trigger masks from - Documentation/devicetree/bindings/interrupts.txt + Documentation/devicetree/bindings/interrupt-controller/interrupts.txt - gpio-controller : Indicates this device is a GPIO controller. - #gpio-cells : Must be 2. The first cell is the pin number and the @@ -41,10 +43,21 @@ Required properties: - SPKVDD-supply : Speaker driver power supply (wm8997) + - DCVDD-supply : Main power supply (cs47l24, wm1831) + + - MICVDD-supply : Microphone power supply (cs47l24, wm1831) + Optional properties: - wlf,reset : GPIO specifier for the GPIO controlling /RESET + - clocks: Should reference the clocks supplied on MCLK1 and MCLK2 + - clock-names: Should contains two strings: + "mclk1" for the clock supplied on MCLK1, recommended to be a high + quality audio reference clock + "mclk2" for the clock supplied on MCLK2, recommended to be an always on + 32k clock + - wlf,gpio-defaults : A list of GPIO configuration register values. Defines for the appropriate values can found in <dt-bindings/mfd/arizona.txt>. If absent, no configuration of these registers is performed. If any entry has @@ -59,6 +72,12 @@ Optional properties: that have not been specified are set to 0 by default. Entries are: <IN1, IN2, IN3, IN4> (wm5102, wm5110, wm8280, wm8997) <IN1A, IN2A, IN1B, IN2B> (wm8998, wm1814) + - wlf,out-mono : A list of boolean values indicating whether each output is + mono or stereo. Position within the list indicates the output affected + (eg. First entry in the list corresponds to output 1). A non-zero value + indicates a mono output. If present, the number of values should be less + than or equal to the number of outputs, if less values are supplied the + additional outputs will be treated as stereo. - wlf,dmic-ref : DMIC reference voltage source for each input, can be selected from either MICVDD or one of the MICBIAS's, defines @@ -69,6 +88,7 @@ Optional properties: - DCVDD-supply, MICVDD-supply : Power supplies, only need to be specified if they are being externally supplied. As covered in Documentation/devicetree/bindings/regulator/regulator.txt + (wm5102, wm5110, wm8280, wm8997, wm8998, wm1814) Also see child specific device properties: Regulator - ../regulator/arizona-regulator.txt diff --git a/Documentation/devicetree/bindings/mfd/palmas.txt b/Documentation/devicetree/bindings/mfd/palmas.txt index eda898978..8ae1a32bf 100644 --- a/Documentation/devicetree/bindings/mfd/palmas.txt +++ b/Documentation/devicetree/bindings/mfd/palmas.txt @@ -24,7 +24,7 @@ and also the generic series names - #interrupt-cells : should be set to 2 for IRQ number and flags The first cell is the IRQ number. The second cell is the flags, encoded as the trigger masks from - Documentation/devicetree/bindings/interrupts.txt + Documentation/devicetree/bindings/interrupt-controller/interrupts.txt - interrupt-parent : The parent interrupt controller. Optional properties: diff --git a/Documentation/devicetree/bindings/mfd/s2mpa01.txt b/Documentation/devicetree/bindings/mfd/s2mpa01.txt deleted file mode 100644 index c13d3d8c3..000000000 --- a/Documentation/devicetree/bindings/mfd/s2mpa01.txt +++ /dev/null @@ -1,90 +0,0 @@ - -* Samsung S2MPA01 Voltage and Current Regulator - -The Samsung S2MPA01 is a multi-function device which includes high -efficiency buck converters including Dual-Phase buck converter, various LDOs, -and an RTC. It is interfaced to the host controller using an I2C interface. -Each sub-block is addressed by the host system using different I2C slave -addresses. - -Required properties: -- compatible: Should be "samsung,s2mpa01-pmic". -- reg: Specifies the I2C slave address of the PMIC block. It should be 0x66. - -Optional properties: -- interrupt-parent: Specifies the phandle of the interrupt controller to which - the interrupts from s2mpa01 are delivered to. -- interrupts: An interrupt specifier for the sole interrupt generated by the - device. - -Optional nodes: -- regulators: The regulators of s2mpa01 that have to be instantiated should be - included in a sub-node named 'regulators'. Regulator nodes and constraints - included in this sub-node use the standard regulator bindings which are - documented elsewhere. - -Properties for BUCK regulator nodes: -- regulator-ramp-delay: ramp delay in uV/us. May be 6250, 12500 - (default), 25000, or 50000. May be 0 for disabling the ramp delay on - BUCK{1,2,3,4}. - - In the absence of the regulator-ramp-delay property, the default ramp - delay will be used. - - NOTE: Some BUCKs share the ramp rate setting i.e. same ramp value will be set - for a particular group of BUCKs. So provide same regulator-ramp-delay=<value>. - - The following BUCKs share ramp settings: - * 1 and 6 - * 2 and 4 - * 8, 9, and 10 - -The following are the names of the regulators that the s2mpa01 PMIC block -supports. Note: The 'n' in LDOn and BUCKn represents the LDO or BUCK number -as per the datasheet of s2mpa01. - - - LDOn - - valid values for n are 1 to 26 - - Example: LDO1, LD02, LDO26 - - BUCKn - - valid values for n are 1 to 10. - - Example: BUCK1, BUCK2, BUCK9 - -Example: - - s2mpa01_pmic@66 { - compatible = "samsung,s2mpa01-pmic"; - reg = <0x66>; - - regulators { - ldo1_reg: LDO1 { - regulator-name = "VDD_ALIVE"; - regulator-min-microvolt = <1000000>; - regulator-max-microvolt = <1000000>; - }; - - ldo2_reg: LDO2 { - regulator-name = "VDDQ_MMC2"; - regulator-min-microvolt = <2800000>; - regulator-max-microvolt = <2800000>; - regulator-always-on; - }; - - buck1_reg: BUCK1 { - regulator-name = "vdd_mif"; - regulator-min-microvolt = <950000>; - regulator-max-microvolt = <1350000>; - regulator-always-on; - regulator-boot-on; - }; - - buck2_reg: BUCK2 { - regulator-name = "vdd_arm"; - regulator-min-microvolt = <950000>; - regulator-max-microvolt = <1350000>; - regulator-always-on; - regulator-boot-on; - regulator-ramp-delay = <50000>; - }; - }; - }; diff --git a/Documentation/devicetree/bindings/mfd/s2mps11.txt b/Documentation/devicetree/bindings/mfd/s2mps11.txt deleted file mode 100644 index 09b94c97f..000000000 --- a/Documentation/devicetree/bindings/mfd/s2mps11.txt +++ /dev/null @@ -1,153 +0,0 @@ - -* Samsung S2MPS11/13/14/15 and S2MPU02 Voltage and Current Regulator - -The Samsung S2MPS11 is a multi-function device which includes voltage and -current regulators, RTC, charger controller and other sub-blocks. It is -interfaced to the host controller using an I2C interface. Each sub-block is -addressed by the host system using different I2C slave addresses. - -Required properties: -- compatible: Should be one of the following - - "samsung,s2mps11-pmic" - - "samsung,s2mps13-pmic" - - "samsung,s2mps14-pmic" - - "samsung,s2mps15-pmic" - - "samsung,s2mpu02-pmic". -- reg: Specifies the I2C slave address of the pmic block. It should be 0x66. - -Optional properties: -- interrupt-parent: Specifies the phandle of the interrupt controller to which - the interrupts from s2mps11 are delivered to. -- interrupts: Interrupt specifiers for interrupt sources. -- samsung,s2mps11-wrstbi-ground: Indicates that WRSTBI pin of PMIC is pulled - down. When the system is suspended it will always go down thus triggerring - unwanted buck warm reset (setting buck voltages to default values). -- samsung,s2mps11-acokb-ground: Indicates that ACOKB pin of S2MPS11 PMIC is - connected to the ground so the PMIC must manually set PWRHOLD bit in CTRL1 - register to turn off the power. Usually the ACOKB is pulled up to VBATT so - when PWRHOLD pin goes low, the rising ACOKB will trigger power off. - -Optional nodes: -- clocks: s2mps11, s2mps13, s2mps15 and s5m8767 provide three(AP/CP/BT) buffered 32.768 - KHz outputs, so to register these as clocks with common clock framework - instantiate a sub-node named "clocks". It uses the common clock binding - documented in : - [Documentation/devicetree/bindings/clock/clock-bindings.txt] - The s2mps14 provides two (AP/BT) buffered 32.768 KHz outputs. - - #clock-cells: should be 1. - - - The following is the list of clocks generated by the controller. Each clock - is assigned an identifier and client nodes use this identifier to specify - the clock which they consume. - Clock ID Devices - ---------------------------------------------------------- - 32KhzAP 0 S2MPS11, S2MPS13, S2MPS14, S2MPS15, S5M8767 - 32KhzCP 1 S2MPS11, S2MPS13, S2MPS15, S5M8767 - 32KhzBT 2 S2MPS11, S2MPS13, S2MPS14, S2MPS15, S5M8767 - - - compatible: Should be one of: "samsung,s2mps11-clk", "samsung,s2mps13-clk", - "samsung,s2mps14-clk", "samsung,s5m8767-clk" - The s2msp15 uses the same compatible as s2mps13, as both provides similar clocks. - -- regulators: The regulators of s2mps11 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 { - [standard regulator constraints....]; - }; - - regulator-ramp-delay for BUCKs = [6250/12500/25000(default)/50000] uV/us - - BUCK[2/3/4/6] supports disabling ramp delay on hardware, so explicitly - regulator-ramp-delay = <0> can be used for them to disable ramp delay. - In the absence of the regulator-ramp-delay property, the default ramp - delay will be used. - -NOTE: Some BUCKs share the ramp rate setting i.e. same ramp value will be set -for a particular group of BUCKs. So provide same regulator-ramp-delay<value>. -Grouping of BUCKs sharing ramp rate setting is as follow : BUCK[1, 6], -BUCK[3, 4], and BUCK[7, 8, 10] - -On S2MPS14 the LDO10, LDO11 and LDO12 can be configured to external control -over GPIO. To turn this feature on this property must be added to the regulator -sub-node: - - samsung,ext-control-gpios: GPIO specifier for one GPIO - controlling this regulator (enable/disable); -Example: - LDO12 { - regulator-name = "V_EMMC_2.8V"; - regulator-min-microvolt = <2800000>; - regulator-max-microvolt = <2800000>; - samsung,ext-control-gpios = <&gpk0 2 0>; - }; - - -The regulator constraints inside the regulator nodes use the standard regulator -bindings which are documented elsewhere. - -The following are the names of the regulators that the s2mps11 pmic block -supports. Note: The 'n' in LDOn and BUCKn represents the LDO or BUCK number -as per the datasheet of s2mps11. - - - LDOn - - valid values for n are: - - S2MPS11: 1 to 38 - - S2MPS13: 1 to 40 - - S2MPS14: 1 to 25 - - S2MPS15: 1 to 27 - - S2MPU02: 1 to 28 - - Example: LDO1, LDO2, LDO28 - - BUCKn - - valid values for n are: - - S2MPS11: 1 to 10 - - S2MPS13: 1 to 10 - - S2MPS14: 1 to 5 - - S2MPS15: 1 to 10 - - S2MPU02: 1 to 7 - - Example: BUCK1, BUCK2, BUCK9 - -Example: - - s2mps11_pmic@66 { - compatible = "samsung,s2mps11-pmic"; - reg = <0x66>; - - s2m_osc: clocks { - compatible = "samsung,s2mps11-clk"; - #clock-cells = <1>; - clock-output-names = "xx", "yy", "zz"; - }; - - regulators { - ldo1_reg: LDO1 { - regulator-name = "VDD_ABB_3.3V"; - regulator-min-microvolt = <3300000>; - regulator-max-microvolt = <3300000>; - }; - - 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"; - regulator-min-microvolt = <950000>; - regulator-max-microvolt = <1350000>; - regulator-always-on; - regulator-boot-on; - }; - - buck2_reg: BUCK2 { - regulator-name = "vdd_arm"; - regulator-min-microvolt = <950000>; - regulator-max-microvolt = <1350000>; - regulator-always-on; - regulator-boot-on; - regulator-ramp-delay = <50000>; - }; - }; - }; diff --git a/Documentation/devicetree/bindings/mfd/samsung,sec-core.txt b/Documentation/devicetree/bindings/mfd/samsung,sec-core.txt new file mode 100644 index 000000000..cdd079bfc --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/samsung,sec-core.txt @@ -0,0 +1,88 @@ +Binding for Samsung S2M and S5M family multi-function device +============================================================ + +This is a part of device tree bindings for S2M and S5M family multi-function +devices. + +The Samsung S2MPA01, S2MPS11/13/14/15, S2MPU02 and S5M8767 is a family +of multi-function devices which include voltage and current regulators, RTC, +charger controller, clock outputs and other sub-blocks. It is interfaced +to the host controller using an I2C interface. Each sub-block is usually +addressed by the host system using different I2C slave addresses. + + +This document describes bindings for main device node. Optional sub-blocks +must be a sub-nodes to it. Bindings for them can be found in: + - bindings/regulator/samsung,s2mpa01.txt + - bindings/regulator/samsung,s2mps11.txt + - bindings/regulator/samsung,s5m8767.txt + - bindings/clock/samsung,s2mps11.txt + + +Required properties: + - compatible: Should be one of the following + - "samsung,s2mpa01-pmic", + - "samsung,s2mps11-pmic", + - "samsung,s2mps13-pmic", + - "samsung,s2mps14-pmic", + - "samsung,s2mps15-pmic", + - "samsung,s2mpu02-pmic", + - "samsung,s5m8767-pmic". + - reg: Specifies the I2C slave address of the pmic block. It should be 0x66. + +Optional properties: + - interrupt-parent: Specifies the phandle of the interrupt controller to which + the interrupts from s2mps11 are delivered to. + - interrupts: Interrupt specifiers for interrupt sources. + - samsung,s2mps11-wrstbi-ground: Indicates that WRSTBI pin of PMIC is pulled + down. When the system is suspended it will always go down thus triggerring + unwanted buck warm reset (setting buck voltages to default values). + - samsung,s2mps11-acokb-ground: Indicates that ACOKB pin of S2MPS11 PMIC is + connected to the ground so the PMIC must manually set PWRHOLD bit in CTRL1 + register to turn off the power. Usually the ACOKB is pulled up to VBATT so + when PWRHOLD pin goes low, the rising ACOKB will trigger power off. + +Example: + + s2mps11_pmic@66 { + compatible = "samsung,s2mps11-pmic"; + reg = <0x66>; + + s2m_osc: clocks { + compatible = "samsung,s2mps11-clk"; + #clock-cells = <1>; + clock-output-names = "xx", "yy", "zz"; + }; + + regulators { + ldo1_reg: LDO1 { + regulator-name = "VDD_ABB_3.3V"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; + + 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"; + regulator-min-microvolt = <950000>; + regulator-max-microvolt = <1350000>; + regulator-always-on; + regulator-boot-on; + }; + + buck2_reg: BUCK2 { + regulator-name = "vdd_arm"; + regulator-min-microvolt = <950000>; + regulator-max-microvolt = <1350000>; + regulator-always-on; + regulator-boot-on; + regulator-ramp-delay = <50000>; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/mfd/syscon.txt b/Documentation/devicetree/bindings/mfd/syscon.txt index fe8150bb3..408f76868 100644 --- a/Documentation/devicetree/bindings/mfd/syscon.txt +++ b/Documentation/devicetree/bindings/mfd/syscon.txt @@ -13,6 +13,10 @@ Required properties: - compatible: Should contain "syscon". - reg: the register region can be accessed from syscon +Optional property: +- reg-io-width: the size (in bytes) of the IO accesses that should be + performed on the device. + Examples: gpr: iomuxc-gpr@020e0000 { compatible = "fsl,imx6q-iomuxc-gpr", "syscon"; |