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author | Sascha Hauer <s.hauer@pengutronix.de> | 2022-04-12 10:22:44 +0200 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2022-04-14 09:33:24 +0200 |
commit | b01786baa849369ff2345c51e63857c952a01130 (patch) | |
tree | 43970a0ff46d32b8cad45b1dc3f3ca638e04fc5e /dts/Bindings/gnss | |
parent | 610797b376e65475f7aed1218a085ff8701da474 (diff) | |
download | barebox-b01786baa849369ff2345c51e63857c952a01130.tar.gz barebox-b01786baa849369ff2345c51e63857c952a01130.tar.xz |
dts: update to v5.18-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/gnss')
-rw-r--r-- | dts/Bindings/gnss/gnss-common.yaml | 55 | ||||
-rw-r--r-- | dts/Bindings/gnss/gnss.txt | 37 | ||||
-rw-r--r-- | dts/Bindings/gnss/sirfstar.txt | 46 | ||||
-rw-r--r-- | dts/Bindings/gnss/sirfstar.yaml | 76 | ||||
-rw-r--r-- | dts/Bindings/gnss/u-blox,neo-6m.yaml | 14 |
5 files changed, 136 insertions, 92 deletions
diff --git a/dts/Bindings/gnss/gnss-common.yaml b/dts/Bindings/gnss/gnss-common.yaml new file mode 100644 index 0000000000..963b926e30 --- /dev/null +++ b/dts/Bindings/gnss/gnss-common.yaml @@ -0,0 +1,55 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gnss/gnss-common.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Common Properties for Global Navigation Satellite Systems (GNSS) + receiver devices + +maintainers: + - Johan Hovold <johan@kernel.org> + +description: | + This document defines device tree properties common to Global Navigation + Satellite System receivers. + +properties: + $nodename: + pattern: "^gnss(@.*)?$" + + lna-supply: + description: A separate regulator supplying power for the Low Noise + Amplifier (LNA). This is an amplifier connected between the GNSS + device and the receiver antenna. + + enable-gpios: + description: A GPIO line that will enable the GNSS receiver when + asserted. If this line is active low, the GPIO phandle should + consequently be tagged with the GPIO_ACTIVE_LOW flag so the operating + system can rely on asserting the line to enable the GNSS device. + maxItems: 1 + + timepulse-gpios: + description: When a timepulse is provided to the GNSS device using a + GPIO line, this is used. + maxItems: 1 + + current-speed: + description: The baudrate in bits per second of the device as it comes + online, current active speed. + $ref: /schemas/types.yaml#/definitions/uint32 + +additionalProperties: true + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + serial { + gnss { + compatible = "u-blox,neo-8"; + vcc-supply = <&gnss_reg>; + timepulse-gpios = <&gpio0 16 GPIO_ACTIVE_HIGH>; + current-speed = <4800>; + }; + }; diff --git a/dts/Bindings/gnss/gnss.txt b/dts/Bindings/gnss/gnss.txt deleted file mode 100644 index d6dc9c0d82..0000000000 --- a/dts/Bindings/gnss/gnss.txt +++ /dev/null @@ -1,37 +0,0 @@ -GNSS Receiver DT binding - -This documents the binding structure and common properties for GNSS receiver -devices. - -A GNSS receiver node is a node named "gnss" and typically resides on a serial -bus (e.g. UART, I2C or SPI). - -Please refer to the following documents for generic properties: - - Documentation/devicetree/bindings/serial/serial.yaml - Documentation/devicetree/bindings/spi/spi-bus.txt - -Required properties: - -- compatible : A string reflecting the vendor and specific device the node - represents - -Optional properties: -- lna-supply : Separate supply for an LNA -- enable-gpios : GPIO used to enable the device -- timepulse-gpios : Time pulse GPIO - -Example: - -serial@1234 { - compatible = "ns16550a"; - - gnss { - compatible = "u-blox,neo-8"; - - vcc-supply = <&gnss_reg>; - timepulse-gpios = <&gpio0 16 GPIO_ACTIVE_HIGH>; - - current-speed = <4800>; - }; -}; diff --git a/dts/Bindings/gnss/sirfstar.txt b/dts/Bindings/gnss/sirfstar.txt deleted file mode 100644 index f4252b6b66..0000000000 --- a/dts/Bindings/gnss/sirfstar.txt +++ /dev/null @@ -1,46 +0,0 @@ -SiRFstar-based GNSS Receiver DT binding - -SiRFstar chipsets are used in GNSS-receiver modules produced by several -vendors and can use UART, SPI or I2C interfaces. - -Please see Documentation/devicetree/bindings/gnss/gnss.txt for generic -properties. - -Required properties: - -- compatible : Must be one of - - "fastrax,uc430" - "linx,r4" - "wi2wi,w2sg0004" - "wi2wi,w2sg0008i" - "wi2wi,w2sg0084i" - -- vcc-supply : Main voltage regulator (pin name: 3V3_IN, VCC, VDD) - -Required properties (I2C): -- reg : I2C slave address - -Required properties (SPI): -- reg : SPI chip select address - -Optional properties: - -- sirf,onoff-gpios : GPIO used to power on and off device (pin name: ON_OFF) -- sirf,wakeup-gpios : GPIO used to determine device power state - (pin name: RFPWRUP, WAKEUP) -- timepulse-gpios : Time pulse GPIO (pin name: 1PPS, TM) - -Example: - -serial@1234 { - compatible = "ns16550a"; - - gnss { - compatible = "wi2wi,w2sg0084i"; - - vcc-supply = <&gnss_reg>; - sirf,onoff-gpios = <&gpio0 16 GPIO_ACTIVE_HIGH>; - sirf,wakeup-gpios = <&gpio0 17 GPIO_ACTIVE_HIGH>; - }; -}; diff --git a/dts/Bindings/gnss/sirfstar.yaml b/dts/Bindings/gnss/sirfstar.yaml new file mode 100644 index 0000000000..991599cdaa --- /dev/null +++ b/dts/Bindings/gnss/sirfstar.yaml @@ -0,0 +1,76 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gnss/sirfstar.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: SiRFstar GNSS Receiver Device Tree Bindings + +maintainers: + - Johan Hovold <johan@kernel.org> + +description: + The SiRFstar GNSS receivers have incarnated over the years in different + chips, starting from the SiRFstarIII which was a chip that was introduced in + 2004 and used in a lot of dedicated GPS devices. In 2009 SiRF was acquired + by CSR (Cambridge Silicon Radio) and in 2012 the CSR GPS business was + acquired by Samsung, while some products remained with CSR. In 2014 CSR + was acquired by Qualcomm who still sell some of the SiRF products. + + SiRF chips can be used over UART, I2C or SPI buses. + +allOf: + - $ref: gnss-common.yaml# + +properties: + compatible: + enum: + - csr,gsd4t + - csr,csrg05ta03-icje-r + - fastrax,uc430 + - linx,r4 + - wi2wi,w2sg0004 + - wi2wi,w2sg0008i + - wi2wi,w2sg0084i + + reg: + description: + The I2C Address, SPI chip select address. Not required on UART buses. + + vcc-supply: + description: + Main voltage regulator, pin names such as 3V3_IN, VCC, VDD. + + reset-gpios: + maxItems: 1 + description: An optional active low reset line, should be flagged with + GPIO_ACTIVE_LOW. + + sirf,onoff-gpios: + maxItems: 1 + description: GPIO used to power on and off device, pin name ON_OFF. + + sirf,wakeup-gpios: + maxItems: 1 + description: GPIO used to determine device power state, pin names such + as RFPWRUP, WAKEUP. + +required: + - compatible + - vcc-supply + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + serial { + gnss { + compatible = "wi2wi,w2sg0084i"; + vcc-supply = <&gnss_vcc_reg>; + reset-gpios = <&gpio0 15 GPIO_ACTIVE_LOW>; + sirf,onoff-gpios = <&gpio0 16 GPIO_ACTIVE_HIGH>; + sirf,wakeup-gpios = <&gpio0 17 GPIO_ACTIVE_HIGH>; + current-speed = <38400>; + }; + }; diff --git a/dts/Bindings/gnss/u-blox,neo-6m.yaml b/dts/Bindings/gnss/u-blox,neo-6m.yaml index 396101a223..35a760cfd3 100644 --- a/dts/Bindings/gnss/u-blox,neo-6m.yaml +++ b/dts/Bindings/gnss/u-blox,neo-6m.yaml @@ -6,6 +6,9 @@ $schema: http://devicetree.org/meta-schemas/core.yaml# title: U-blox GNSS Receiver Device Tree Bindings +allOf: + - $ref: gnss-common.yaml# + maintainers: - Johan Hovold <johan@kernel.org> @@ -29,27 +32,20 @@ properties: description: > Main voltage regulator - timepulse-gpios: - maxItems: 1 - description: > - Time pulse GPIO - u-blox,extint-gpios: maxItems: 1 description: > GPIO connected to the "external interrupt" input pin - + v-bckp-supply: description: > Backup voltage regulator - current-speed: true - required: - compatible - vcc-supply -additionalProperties: false +unevaluatedProperties: false examples: - | |