dt-bindings: pinctrl: qcom: Add QCM2290 pinctrl bindings

Add device tree bindings for QCM2290 pinctrl.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210923033224.29719-2-shawn.guo@linaro.orgSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

Documentation/devicetree/bindings/pinctrl/qcom,qcm2290-pinctrl.yaml

+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/qcom,qcm2290-pinctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Technologies, Inc. QCM2290 TLMM block
+
+maintainers:
+  - Shawn Guo <shawn.guo@linaro.org>
+
+description:
+  This binding describes the Top Level Mode Multiplexer block found in the
+  QCM2290 platform.
+
+properties:
+  compatible:
+    const: qcom,qcm2290-tlmm
+
+  reg:
+    maxItems: 1
+
+  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:
+    maxItems: 1
+
+#PIN CONFIGURATION NODES
+patternProperties:
+  '-state$':
+    oneOf:
+      - $ref: "#/$defs/qcom-qcm2290-tlmm-state"
+      - patternProperties:
+          ".*":
+            $ref: "#/$defs/qcom-qcm2290-tlmm-state"
+
+'$defs':
+  qcom-qcm2290-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[0-1][0-9]|12[0-6])$"
+            - enum: [ 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, cam_mclk, cci_async, cci_i2c,
+                cci_timer0, cci_timer1, cci_timer2, cci_timer3, char_exec,
+                cri_trng, cri_trng0, cri_trng1, dac_calib, dbg_out, ddr_bist,
+                ddr_pxi0, ddr_pxi1, ddr_pxi2, ddr_pxi3, gcc_gp1, gcc_gp2,
+                gcc_gp3, gpio, gp_pdm0, gp_pdm1, gp_pdm2, gsm0_tx, gsm1_tx,
+                jitter_bist, mdp_vsync, mdp_vsync_out_0, mdp_vsync_out_1,
+                mpm_pwr, mss_lte, m_voc, nav_gpio, pa_indicator, pbs0, pbs1,
+                pbs2, pbs3, pbs4, pbs5, pbs6, pbs7, pbs8, pbs9, pbs10, pbs11,
+                pbs12, pbs13, pbs14, pbs15, pbs_out, phase_flag, pll_bist,
+                pll_bypassnl, pll_reset, prng_rosc, pwm_0, pwm_1, pwm_2, pwm_3,
+                pwm_4, pwm_5, pwm_6, pwm_7, pwm_8, pwm_9, qdss_cti, qdss_gpio,
+                qup0, qup1, qup2, qup3, qup4, qup5, sdc1_tb, sdc2_tb, sd_write,
+                ssbi_wtr1, tgu_ch0, tgu_ch1, tgu_ch2, tgu_ch3, tsense_pwm,
+                uim1_clk, uim1_data, uim1_present, uim1_reset, uim2_clk,
+                uim2_data, uim2_present, uim2_reset, usb_phy, vfr_1,
+                vsense_trigger, wlan1_adc0, wlan1_adc1 ]
+
+      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
+
+      output-high: true
+
+      output-low: true
+
+    required:
+      - pins
+
+    additionalProperties: false
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - interrupt-controller
+  - '#interrupt-cells'
+  - gpio-controller
+  - '#gpio-cells'
+  - gpio-ranges
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    tlmm: pinctrl@500000 {
+        compatible = "qcom,qcm2290-tlmm";
+        reg = <0x500000 0x300000>;
+        interrupts = <GIC_SPI 227 IRQ_TYPE_LEVEL_HIGH>;
+        gpio-controller;
+        #gpio-cells = <2>;
+        interrupt-controller;
+        #interrupt-cells = <2>;
+        gpio-ranges = <&tlmm 0 0 127>;
+
+        sdc2_on_state: sdc2-on-state {
+            clk {
+                pins = "sdc2_clk";
+                bias-disable;
+                drive-strength = <16>;
+            };
+
+            cmd {
+                pins = "sdc2_cmd";
+                bias-pull-up;
+                drive-strength = <10>;
+            };
+
+            data {
+                pins = "sdc2_data";
+                bias-pull-up;
+                drive-strength = <10>;
+            };
+        };
+    };