[PATCH V3 3/9] dt-bindings: pinctrl: qcom: Add support for ipq5018

Sricharan Ramabadhran
2023-04-14T10:35:08Z

Add device tree binding Documentation details for ipq5018
pinctrl driver.

Co-developed-by: Nitheesh Sekar <quic_nsekar@quicinc.com>
Signed-off-by: Nitheesh Sekar <quic_nsekar@quicinc.com>
Co-developed-by: Varadarajan Narayanan <quic_varada@quicinc.com>
Signed-off-by: Varadarajan Narayanan <quic_varada@quicinc.com>
Signed-off-by: Sricharan Ramabadhran <quic_srichara@quicinc.com>
---
[v3] Fixed review comments and DTS schema warnings

.../bindings/pinctrl/qcom,ipq5018-tlmm.yaml | 129 +++++++++++++++++++++
1 file changed, 129 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 0000000..477d5df
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/qcom,ipq5018-tlmm.yaml
@@ -0,0 +1,129 @@
+# 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@kernel.org>
+ - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
+
+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: 33
+
+ 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
+
+ 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 ]
+
+ bias-pull-down: true
+ bias-pull-up: true
+ bias-disable: true
+ drive-strength: true
+ input-enable: true
+ output-high: true
+ output-low: true
+
+ required:
+ - pins
+
+ additionalProperties: false
+
+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>;
+ interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+
+ uart2-state {
+ pins = "gpio34", "gpio35";
+ function = "blsp2_uart";
+ drive-strength = <8>;
+ bias-pull-down;
+ };
+ };
--
2.7.4