dt-bindings: pinctrl: qcom: add sdm670 pinctrl

There is a new driver for the Snapdragon 670 TLMM (Top-Level Mode
Multiplexer). Document it.

Adapted from qcom,sm6350-pinctrl.yaml.

Signed-off-by: Richard Acayan <[e-mail]>
Reviewed-by: Krzysztof Kozlowski <[e-mail]>
Reviewed-by: Bjorn Andersson <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Linus Walleij <[e-mail]>

Documentation/devicetree/bindings/pinctrl/qcom,sdm670-tlmm.yaml

···
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/qcom,sdm670-tlmm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Technologies, Inc. SDM670 TLMM block
+
+maintainers:
+  - Richard Acayan <[e-mail]>
+
+description: |
+  The Top Level Mode Multiplexer (TLMM) block found in the SDM670 platform.
+
+allOf:
+  - $ref: /schemas/pinctrl/qcom,tlmm-common.yaml#
+
+properties:
+  compatible:
+    const: qcom,sdm670-tlmm
+
+  reg:
+    maxItems: 1
+
+  interrupts: true
+  interrupt-controller: true
+  "#interrupt-cells": true
+  gpio-controller: true
+  gpio-reserved-ranges:
+    minItems: 1
+    maxItems: 75
+
+  "#gpio-cells": true
+  gpio-ranges: true
+  wakeup-parent: true
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+patternProperties:
+  "-state$":
+    oneOf:
+      - $ref: "#/$defs/qcom-sdm670-tlmm-state"
+      - patternProperties:
+          "-pins$":
+            $ref: "#/$defs/qcom-sdm670-tlmm-state"
+        additionalProperties: false
+
+$defs:
+  qcom-sdm670-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:
+          oneOf:
+            - pattern: "^gpio([0-9]|[1-9][0-9]|1[0-4][0-9])$"
+            - enum: [ ufs_reset, sdc1_rclk, sdc1_clk, sdc1_cmd, sdc1_data,
+                      sdc2_clk, sdc2_cmd, sdc2_data ]
+        minItems: 1
+        maxItems: 36
+
+      function:
+        description:
+          Specify the alternative function to be configured for the specified
+          pins.
+
+        enum: [ adsp_ext, agera_pll, atest_char, atest_tsens, atest_tsens2, atest_usb1, atest_usb10,
+                atest_usb11, atest_usb12, atest_usb13, atest_usb2, atest_usb20, atest_usb21,
+                atest_usb22, atest_usb23, cam_mclk, cci_async, cci_i2c, cci_timer0, cci_timer1,
+                cci_timer2, cci_timer3, cci_timer4, copy_gp, copy_phase, dbg_out, ddr_bist,
+                ddr_pxi0, ddr_pxi1, ddr_pxi2, ddr_pxi3, edp_hot, edp_lcd, gcc_gp1, gcc_gp2, gcc_gp3,
+                gp_pdm0, gp_pdm1, gp_pdm2, gpio, gps_tx, jitter_bist, ldo_en, ldo_update,
+                lpass_slimbus, m_voc, mdp_vsync, mdp_vsync0, mdp_vsync1, mdp_vsync2, mdp_vsync3,
+                mss_lte, nav_pps, pa_indicator, pci_e0, pci_e1, phase_flag, pll_bist, pll_bypassnl,
+                pll_reset, pri_mi2s, pri_mi2s_ws, prng_rosc, qdss_cti, qdss, qlink_enable,
+                qlink_request, qua_mi2s, qup0, qup1, qup10, qup11, qup12, qup13, qup14, qup15, qup2,
+                qup3, qup4, qup5, qup6, qup7, qup8, qup9, qup_l4, qup_l5, qup_l6, sdc4_clk,
+                sdc4_cmd, sdc4_data, sd_write, sec_mi2s, ter_mi2s, tgu_ch0, tgu_ch1, tgu_ch2,
+                tgu_ch3, tsif1_clk, tsif1_data, tsif1_en, tsif1_error, tsif1_sync, tsif2_clk,
+                tsif2_data, tsif2_en, tsif2_error, tsif2_sync, uim1_clk, uim1_data, uim1_present,
+                uim1_reset, uim2_clk, uim2_data, uim2_present, uim2_reset, uim_batt, usb_phy, vfr_1,
+                vsense_trigger, wlan1_adc0, wlan1_adc1, wlan2_adc0, wlan2_adc1, wsa_clk, wsa_data, ]
+
+
+      bias-disable: true
+      bias-pull-down: true
+      bias-pull-up: true
+      drive-strength: true
+      input-enable: true
+      output-high: true
+      output-low: true
+
+    required:
+      - pins
+
+    additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    pinctrl@3400000 {
+        compatible = "qcom,sdm670-tlmm";
+        reg = <0x03400000 0x300000>;
+        interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
+        gpio-controller;
+        #gpio-cells = <2>;
+        interrupt-controller;
+        #interrupt-cells = <2>;
+        gpio-ranges = <&tlmm 0 0 151>;
+
+        qup-i2c9-state {
+            pins = "gpio6", "gpio7";
+            function = "qup9";
+        };
+    };
+...