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| author | Linus Walleij <linus.walleij@linaro.org> | 2022-03-18 01:58:43 +0300 |
|---|---|---|
| committer | Rob Herring <robh@kernel.org> | 2022-03-20 22:02:22 +0300 |
| commit | 094b10cb795a85e2f90f03c24b030888ab2f1fa3 (patch) | |
| tree | 8621e0463425811c396b822a35285de35ff54d20 /Documentation/devicetree/bindings/gnss | |
| parent | 5505409e423f61c981d84f53dee2a93bf3ba5913 (diff) | |
| download | linux-094b10cb795a85e2f90f03c24b030888ab2f1fa3.tar.xz | |
dt-bindings: gnss: Add two more chips
The CSR GSD4t is a CSR product using the SiRFstarIV core, and
the CSR CSRG05TA03-ICJE-R is a CSR product using the SiRFstarV
core.
These chips have a SRESETN line that can be pulled low to hard
reset the chip and in some designs this is connected to a GPIO,
so add this as an optional property.
Update the example with a reset line so users see that it need
to be tagged as active low.
Cc: devicetree@vger.kernel.org
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220317225844.1262643-4-linus.walleij@linaro.org
Diffstat (limited to 'Documentation/devicetree/bindings/gnss')
| -rw-r--r-- | Documentation/devicetree/bindings/gnss/sirfstar.yaml | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/gnss/sirfstar.yaml b/Documentation/devicetree/bindings/gnss/sirfstar.yaml index 1178d4b32a5c..991599cdaa6b 100644 --- a/Documentation/devicetree/bindings/gnss/sirfstar.yaml +++ b/Documentation/devicetree/bindings/gnss/sirfstar.yaml @@ -25,6 +25,8 @@ allOf: properties: compatible: enum: + - csr,gsd4t + - csr,csrg05ta03-icje-r - fastrax,uc430 - linx,r4 - wi2wi,w2sg0004 @@ -39,6 +41,11 @@ properties: 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. @@ -61,6 +68,7 @@ examples: 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>; |