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SubjectRe: [PATCH v2 1/3] dt-bindings: pinctrl: qcom: Define common TLMM binding
On 25-01-21, 20:26, Bjorn Andersson wrote:
> Several properties are shared between all TLMM bindings. By providing a
> common binding to define these properties each platform's binding can be
> reduced to just listing which of these properties should be checked for
> - or further specified.

Rob, Linus are we okay with this common binding, if so can we please get
this one in for the next merge window?

>
> Reviewed-by: Vinod Koul <vkoul@kernel.org>
> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
> ---
>
> Changes since v1:
> - Dropped "phandle", as Rob pushed this to the dt-schema instead
> - Expanded the "TLMM" abbreviation
>
> .../bindings/pinctrl/qcom,tlmm-common.yaml | 85 +++++++++++++++++++
> 1 file changed, 85 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/pinctrl/qcom,tlmm-common.yaml
>
> diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,tlmm-common.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,tlmm-common.yaml
> new file mode 100644
> index 000000000000..3b37cf102d41
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pinctrl/qcom,tlmm-common.yaml
> @@ -0,0 +1,85 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/pinctrl/qcom,tlmm-common.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm Technologies, Inc. Top Level Mode Multiplexer (TLMM) definitions
> +
> +maintainers:
> + - Bjorn Andersson <bjorn.andersson@linaro.org>
> +
> +description:
> + This defines the common properties used to describe all Qualcomm Top Level
> + Mode Multiplexer bindings and pinconf/pinmux states for these.
> +
> +properties:
> + interrupts:
> + description:
> + Specifies the TLMM summary IRQ
> + maxItems: 1
> +
> + interrupt-controller: true
> +
> + '#interrupt-cells':
> + description:
> + Specifies the PIN numbers and Flags, as defined in defined in
> + include/dt-bindings/interrupt-controller/irq.h
> + const: 2
> +
> + gpio-controller: true
> +
> + '#gpio-cells':
> + description:
> + Specifying the pin number and flags, as defined in
> + include/dt-bindings/gpio/gpio.h
> + const: 2
> +
> + gpio-ranges:
> + maxItems: 1
> +
> + wakeup-parent:
> + description:
> + Specifying the interrupt-controller used to wake up the system when the
> + TLMM block has been powered down.
> + maxItems: 1
> +
> + gpio-reserved-ranges:
> + description:
> + Pins can be reserved for trusted applications and thereby unaccessible
> + from the OS. This property can be used to mark the pins which resources
> + should not be accessed by the OS. Please see the ../gpio/gpio.txt for more
> + information.
> +
> +required:
> + - interrupts
> + - interrupt-controller
> + - '#interrupt-cells'
> + - gpio-controller
> + - '#gpio-cells'
> + - gpio-ranges
> +
> +additionalProperties: true
> +
> +$defs:
> + qcom-tlmm-state:
> + allOf:
> + - $ref: pincfg-node.yaml#
> + - $ref: pinmux-node.yaml#
> +
> + properties:
> + drive-strength:
> + enum: [2, 4, 6, 8, 10, 12, 14, 16]
> + default: 2
> + description:
> + Selects the drive strength for the specified pins, in mA.
> +
> + bias-pull-down: true
> + bias-pull-up: true
> + bias-disable: true
> + input-enable: true
> + output-high: true
> + output-low: true
> +
> + additionalProperties: true
> +...
> --
> 2.29.2

--
~Vinod

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