Add device tree binding Documentation details for ipq5018 pinctrl driver. Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> Co-developed-by: Nitheesh Sekar <quic_nsekar@xxxxxxxxxxx> Signed-off-by: Nitheesh Sekar <quic_nsekar@xxxxxxxxxxx> Co-developed-by: Varadarajan Narayanan <quic_varada@xxxxxxxxxxx> Signed-off-by: Varadarajan Narayanan <quic_varada@xxxxxxxxxxx> Signed-off-by: Sricharan Ramabadhran <quic_srichara@xxxxxxxxxxx> --- .../bindings/pinctrl/qcom,ipq5018-tlmm.yaml | 127 ++++++++++++++++++ 1 file changed, 127 insertions(+) create mode 100644 Documentation/devicetree/bindings/pinctrl/qcom,ipq5018-tlmm.yaml diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,ipq5018-tlmm.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,ipq5018-tlmm.yaml new file mode 100644 index 000000000000..fad0118fd521 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/qcom,ipq5018-tlmm.yaml @@ -0,0 +1,127 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pinctrl/qcom,ipq5018-tlmm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm IPQ5018 TLMM pin controller + +maintainers: + - Bjorn Andersson <andersson@xxxxxxxxxx> + - Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> + +description: + Top Level Mode Multiplexer pin controller in Qualcomm IPQ5018 SoC. + +properties: + compatible: + const: qcom,ipq5018-tlmm + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + interrupt-controller: true + "#interrupt-cells": true + gpio-controller: true + "#gpio-cells": true + gpio-ranges: true + wakeup-parent: true + + gpio-reserved-ranges: + minItems: 1 + maxItems: 24 + + gpio-line-names: + maxItems: 47 + +patternProperties: + "-state$": + oneOf: + - $ref: "#/$defs/qcom-ipq5018-tlmm-state" + - patternProperties: + "-pins$": + $ref: "#/$defs/qcom-ipq5018-tlmm-state" + additionalProperties: false + +$defs: + qcom-ipq5018-tlmm-state: + type: object + description: + Pinctrl node's client devices use subnodes for desired pin configuration. + Client device subnodes use below standard properties. + $ref: qcom,tlmm-common.yaml#/$defs/qcom-tlmm-state + unevaluatedProperties: false + + properties: + pins: + description: + List of gpio pins affected by the properties specified in this + subnode. + items: + pattern: "^gpio([0-9]|[1-3][0-9]|4[0-6])$" + minItems: 1 + maxItems: 8 + + function: + description: + Specify the alternative function to be configured for the specified + pins. + + enum: [ atest_char, audio_pdm0, audio_pdm1, audio_rxbclk, audio_rxd, + audio_rxfsync, audio_rxmclk, audio_txbclk, audio_txd, + audio_txfsync, audio_txmclk, blsp0_i2c, blsp0_spi, blsp0_uart0, + blsp0_uart1, blsp1_i2c0, blsp1_i2c1, blsp1_spi0, blsp1_spi1, + blsp1_uart0, blsp1_uart1, blsp1_uart2, blsp2_i2c0, blsp2_i2c1, + blsp2_spi, blsp2_spi0, blsp2_spi1, btss, burn0, burn1, cri_trng, + cri_trng0, cri_trng1, cxc_clk, cxc_data, dbg_out, eud_gpio, + gcc_plltest, gcc_tlmm, gpio, led0, led2, mac0, mac1, mdc, mdio, + pcie0_clk, pcie0_wake, pcie1_clk, pcie1_wake, pll_test, + prng_rosc, pwm0, pwm1, pwm2, pwm3, qdss_cti_trig_in_a0, + qdss_cti_trig_in_a1, qdss_cti_trig_in_b0, qdss_cti_trig_in_b1, + qdss_cti_trig_out_a0, qdss_cti_trig_out_a1, + qdss_cti_trig_out_b0, qdss_cti_trig_out_b1, qdss_traceclk_a, + qdss_traceclk_b, qdss_tracectl_a, qdss_tracectl_b, + qdss_tracedata_a, qdss_tracedata_b, qspi_clk, qspi_cs, + qspi_data, reset_out, sdc1_clk, sdc1_cmd, sdc1_data, wci_txd, + wci_rxd, wsa_swrm, wsi_clk3, wsi_data3, wsis_reset, xfem ] + + required: + - pins + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + tlmm: pinctrl@1000000 { + compatible = "qcom,ipq5018-tlmm"; + reg = <0x01000000 0x300000>; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&tlmm 0 0 47>; + interrupt-controller; + #interrupt-cells = <2>; + interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>; + + uart-w-state { + rx-pins { + pins = "gpio33"; + function = "blsp1_uart1"; + bias-pull-down; + }; + + tx-pins { + pins = "gpio34"; + function = "blsp1_uart1"; + bias-pull-down; + }; + }; + }; +... -- 2.34.1
