dt-bindings: pinctrl: qcom: add IPQ5424 pinctrl

Add device tree bindings for IPQ5424 TLMM block.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Sricharan Ramabadhran <quic_srichara@quicinc.com>
Link: https://lore.kernel.org/20240927065244.3024604-4-quic_srichara@quicinc.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

Documentation/devicetree/bindings/pinctrl/qcom,ipq5424-tlmm.yaml

@@ -0,0 +1,114 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/qcom,ipq5424-tlmm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm IPQ5424 TLMM pin controller
+
+maintainers:
+  - Bjorn Andersson <andersson@kernel.org>
+
+description:
+  Top Level Mode Multiplexer pin controller in Qualcomm IPQ5424 SoC.
+
+allOf:
+  - $ref: /schemas/pinctrl/qcom,tlmm-common.yaml#
+
+properties:
+  compatible:
+    const: qcom,ipq5424-tlmm
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  gpio-reserved-ranges:
+    minItems: 1
+    maxItems: 25
+
+  gpio-line-names:
+    maxItems: 50
+
+patternProperties:
+  "-state$":
+    oneOf:
+      - $ref: "#/$defs/qcom-ipq5424-tlmm-state"
+      - patternProperties:
+          "-pins$":
+            $ref: "#/$defs/qcom-ipq5424-tlmm-state"
+        additionalProperties: false
+
+$defs:
+  qcom-ipq5424-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]|[1-4][0-9])$"
+        minItems: 1
+        maxItems: 50
+
+      function:
+        description:
+          Specify the alternative function to be configured for the specified
+          pins.
+
+        enum: [ atest_char, atest_char0, atest_char1, atest_char2, atest_char3,
+                atest_tic, audio_pri, audio_pri0, audio_pri1, audio_sec,
+                audio_sec0, audio_sec1, core_voltage, cri_trng0, cri_trng1,
+                cri_trng2, cri_trng3, cxc_clk, cxc_data, dbg_out, gcc_plltest,
+                gcc_tlmm, gpio, i2c0_scl, i2c0_sda, i2c1_scl, i2c1_sda, i2c11,
+                mac0, mac1, mdc_mst, mdc_slv, mdio_mst, mdio_slv, pcie0_clk,
+                pcie0_wake, pcie1_clk, pcie1_wake, pcie2_clk, pcie2_wake,
+                pcie3_clk, pcie3_wake, pll_test, prng_rosc0, prng_rosc1,
+                prng_rosc2, prng_rosc3, PTA0_0, PTA0_1, PTA0_2, PTA10, PTA11,
+                pwm0, pwm1, pwm2, qdss_cti_trig_in_a0, qdss_cti_trig_out_a0,
+                qdss_cti_trig_in_a1, qdss_cti_trig_out_a1, qdss_cti_trig_in_b0,
+                qdss_cti_trig_out_b0, qdss_cti_trig_in_b1, qdss_cti_trig_out_b1,
+                qdss_traceclk_a, qdss_tracectl_a, qdss_tracedata_a, qspi_clk,
+                qspi_cs, qspi_data, resout, rx0, rx1, rx2, sdc_clk, sdc_cmd,
+                sdc_data, spi0, spi1, spi10, spi11, tsens_max, uart0, uart1,
+                wci_txd, wci_rxd, wsi_clk, wsi_data ]
+
+    required:
+      - pins
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    tlmm: pinctrl@1000000 {
+        compatible = "qcom,ipq5424-tlmm";
+        reg = <0x01000000 0x300000>;
+        gpio-controller;
+        #gpio-cells = <0x2>;
+        gpio-ranges = <&tlmm 0 0 50>;
+        interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>;
+        interrupt-controller;
+        #interrupt-cells = <0x2>;
+
+        uart1_pins: uart1-state {
+            pins = "gpio43", "gpio44";
+            function = "uart1";
+            drive-strength = <8>;
+            bias-pull-up;
+        };
+    };