diff options
Diffstat (limited to 'Documentation')
7 files changed, 166 insertions, 68 deletions
diff --git a/Documentation/devicetree/bindings/rtc/epson,rx8900.txt b/Documentation/devicetree/bindings/rtc/epson,rx8900.txt deleted file mode 100644 index 3f61e516ecf6..000000000000 --- a/Documentation/devicetree/bindings/rtc/epson,rx8900.txt +++ /dev/null @@ -1,22 +0,0 @@ -Real Time Clock driver for: - - Epson RX8900 - - Micro Crystal rv8803 - -Required properties: -- compatible: should be: "microcrystal,rv8803" or "epson,rx8900" -- reg : the I2C address of the device for I2C - -Optional properties: -- epson,vdet-disable : boolean, if present will disable voltage detector. - Should be set if no backup battery is used. -- trickle-diode-disable : boolean, if present will disable internal trickle - charger diode - -Example: - - rtc: rtc@32 { - compatible = "epson,rx8900" - reg = <0x32>; - epson,vdet-disable; - trickle-diode-disable; - }; diff --git a/Documentation/devicetree/bindings/rtc/epson,rx8900.yaml b/Documentation/devicetree/bindings/rtc/epson,rx8900.yaml new file mode 100644 index 000000000000..29fe39bb08ad --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/epson,rx8900.yaml @@ -0,0 +1,49 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/rtc/epson,rx8900.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: EPSON RX8900 / Microcrystal RV8803 Real-Time Clock DT bindings + +maintainers: + - Marek Vasut <marex@denx.de> + +allOf: + - $ref: rtc.yaml# + +properties: + compatible: + enum: + - epson,rx8900 + - microcrystal,rv8803 + + reg: + maxItems: 1 + + epson,vdet-disable: + type: boolean + description: | + Disable voltage detector. Should be set if no backup battery is used. + + trickle-diode-disable: true + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + rtc@32 { + compatible = "epson,rx8900"; + reg = <0x32>; + epson,vdet-disable; + trickle-diode-disable; + }; + }; diff --git a/Documentation/devicetree/bindings/rtc/faraday,ftrtc010.txt b/Documentation/devicetree/bindings/rtc/faraday,ftrtc010.txt deleted file mode 100644 index e3938f5e0b6c..000000000000 --- a/Documentation/devicetree/bindings/rtc/faraday,ftrtc010.txt +++ /dev/null @@ -1,28 +0,0 @@ -* Faraday Technology FTRTC010 Real Time Clock - -This RTC appears in for example the Storlink Gemini family of -SoCs. - -Required properties: -- compatible : Should be one of: - "faraday,ftrtc010" - "cortina,gemini-rtc", "faraday,ftrtc010" - -Optional properties: -- clocks: when present should contain clock references to the - PCLK and EXTCLK clocks. Faraday calls the later CLK1HZ and - says the clock should be 1 Hz, but implementers actually seem - to choose different clocks here, like Cortina who chose - 32768 Hz (a typical low-power clock). -- clock-names: should name the clocks "PCLK" and "EXTCLK" - respectively. - -Examples: - -rtc@45000000 { - compatible = "cortina,gemini-rtc"; - reg = <0x45000000 0x100>; - interrupts = <17 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&foo 0>, <&foo 1>; - clock-names = "PCLK", "EXTCLK"; -}; diff --git a/Documentation/devicetree/bindings/rtc/faraday,ftrtc010.yaml b/Documentation/devicetree/bindings/rtc/faraday,ftrtc010.yaml new file mode 100644 index 000000000000..657c13b62b67 --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/faraday,ftrtc010.yaml @@ -0,0 +1,59 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/rtc/faraday,ftrtc010.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Faraday Technology FTRTC010 Real Time Clock + +maintainers: + - Linus Walleij <linus.walleij@linaro.org> + +description: | + This RTC appears in for example the Storlink Gemini family of SoCs. + +properties: + compatible: + oneOf: + - const: faraday,ftrtc010 + - items: + - const: cortina,gemini-rtc + - const: faraday,ftrtc010 + + resets: + maxItems: 1 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + minItems: 2 + items: + - description: PCLK clocks + - description: EXTCLK clocks. Faraday calls it CLK1HZ and says the clock + should be 1 Hz, but implementers actually seem to choose different + clocks here, like Cortina who chose 32768 Hz (a typical low-power clock). + + clock-names: + items: + - const: "PCLK" + - const: "EXTCLK" + +required: + - compatible + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + rtc@45000000 { + compatible = "cortina,gemini-rtc", "faraday,ftrtc010"; + reg = <0x45000000 0x100>; + interrupts = <17 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&foo 0>, <&foo 1>; + clock-names = "PCLK", "EXTCLK"; + }; diff --git a/Documentation/devicetree/bindings/rtc/rtc-m41t80.txt b/Documentation/devicetree/bindings/rtc/rtc-m41t80.txt index c746cb221210..cdd196b1e9bd 100644 --- a/Documentation/devicetree/bindings/rtc/rtc-m41t80.txt +++ b/Documentation/devicetree/bindings/rtc/rtc-m41t80.txt @@ -21,10 +21,19 @@ Optional properties: clock name - wakeup-source: Enables wake up of host system on alarm +Optional child node: +- clock: Provide this if the square wave pin is used as boot-enabled fixed clock. + Example: rtc@68 { compatible = "st,m41t80"; reg = <0x68>; interrupt-parent = <&UIC0>; interrupts = <0x9 0x8>; + + clock { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <32768>; + }; }; diff --git a/Documentation/devicetree/bindings/rtc/ti,bq32000.yaml b/Documentation/devicetree/bindings/rtc/ti,bq32000.yaml new file mode 100644 index 000000000000..bf9c1c4ddb7e --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/ti,bq32000.yaml @@ -0,0 +1,49 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/rtc/ti,bq32000.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: TI BQ32000 I2C Serial Real-Time Clock + +maintainers: + - Alexandre Belloni <alexandre.belloni@bootlin.com> + +allOf: + - $ref: rtc.yaml# + +properties: + compatible: + const: ti,bq32000 + + reg: + const: 0x68 + + interrupts: + maxItems: 1 + + start-year: true + + trickle-resistor-ohms: + enum: [ 1120, 20180 ] + + trickle-diode-disable: true + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + bq32000: rtc@68 { + compatible = "ti,bq32000"; + reg = <0x68>; + trickle-resistor-ohms = <1120>; + }; + }; diff --git a/Documentation/devicetree/bindings/rtc/ti,bq32k.txt b/Documentation/devicetree/bindings/rtc/ti,bq32k.txt deleted file mode 100644 index e204906b9ad3..000000000000 --- a/Documentation/devicetree/bindings/rtc/ti,bq32k.txt +++ /dev/null @@ -1,18 +0,0 @@ -* TI BQ32000 I2C Serial Real-Time Clock - -Required properties: -- compatible: Should contain "ti,bq32000". -- reg: I2C address for chip - -Optional properties: -- trickle-resistor-ohms : Selected resistor for trickle charger - Values usable are 1120 and 20180 - Should be given if trickle charger should be enabled -- trickle-diode-disable : Do not use internal trickle charger diode - Should be given if internal trickle charger diode should be disabled -Example: - bq32000: rtc@68 { - compatible = "ti,bq32000"; - trickle-resistor-ohms = <1120>; - reg = <0x68>; - }; |