dt-bindings: pinctrl: qcom: Add sc7280 pinctrl bindings

Add device tree binding Documentation details for Qualcomm SC7280
TLMM block.
Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/1604570192-15057-1-git-send-email-rnayak@codeaurora.orgSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

Documentation/devicetree/bindings/pinctrl/qcom,sc7280-pinctrl.yaml

+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/qcom,sc7280-pinctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Technologies, Inc. SC7280 TLMM block
+
+maintainers:
+  - Rajendra Nayak <rnayak@codeaurora.org>
+
+description: |
+  This binding describes the Top Level Mode Multiplexer block found in the
+  SC7280 platform.
+
+properties:
+  compatible:
+    const: qcom,sc7280-pinctrl
+
+  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:
+  '-pins$':
+    type: object
+    description:
+      Pinctrl node's client devices use subnodes for desired pin configuration.
+      Client device subnodes use below standard properties.
+    $ref: "/schemas/pinctrl/pincfg-node.yaml"
+
+    properties:
+      pins:
+        description:
+          List of gpio pins affected by the properties specified in this
+          subnode.
+        items:
+          oneOf:
+            - pattern: "^gpio([0-9]|[1-9][0-9]|1[0-7][0-4])$"
+            - enum: [ sdc1_rclk, sdc1_clk, sdc1_cmd, sdc1_data, sdc2_clk,
+                      sdc2_cmd, sdc2_data, ufs_reset ]
+        minItems: 1
+        maxItems: 16
+
+      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_usb0, atest_usb00, atest_usb01,
+                atest_usb02, atest_usb03, atest_usb1, atest_usb10,
+                atest_usb11, atest_usb12, atest_usb13, audio_ref,
+                cam_mclk, cci_async, cci_i2c, cci_timer0, cci_timer1,
+                cci_timer2, cci_timer3, cci_timer4, cmu_rng0, cmu_rng1,
+                cmu_rng2, cmu_rng3, coex_uart1, cri_trng, cri_trng0,
+                cri_trng1, dbg_out, ddr_bist, ddr_pxi0, ddr_pxi1, dp_hot,
+                dp_lcd, edp_hot, edp_lcd, gcc_gp1, gcc_gp2, gcc_gp3,
+                gpio, host2wlan_sol, ibi_i3c, jitter_bist, lpass_slimbus,
+                mdp_vsync, mdp_vsync0, mdp_vsync1, mdp_vsync2, mdp_vsync3,
+                mdp_vsync4, mdp_vsync5, mi2s0_data0, mi2s0_data1, mi2s0_sck,
+                mi2s0_ws, mi2s1_data0, mi2s1_data1, mi2s1_sck, mi2s1_ws,
+                mi2s2_data0, mi2s2_data1, mi2s2_sck, mi2s2_ws, mss_grfc0,
+                mss_grfc1, mss_grfc10, mss_grfc11, mss_grfc12, mss_grfc2,
+                mss_grfc3, mss_grfc4, mss_grfc5, mss_grfc6, mss_grfc7,
+                mss_grfc8, mss_grfc9, nav_gpio0, nav_gpio1, nav_gpio2,
+                pa_indicator, pcie0_clkreqn, pcie1_clkreqn, phase_flag,
+                pll_bist, pll_bypassnl, pll_clk, pll_reset, pri_mi2s, prng_rosc,
+                qdss, qdss_cti, qlink0_enable, qlink0_request, qlink0_wmss,
+                qlink1_enable, qlink1_request, qlink1_wmss, qspi_clk, qspi_cs,
+                qspi_data, qup00, qup01, qup02, qup03, qup04, qup05, qup06, qup07,
+                qup10, qup11, qup12, qup13, qup14, qup15, qup16, qup17,
+                sdc40, sdc41, sdc42, sdc43, sdc4_clk, sdc4_cmd, sd_write,
+                sec_mi2s, tb_trig, tgu_ch0, tgu_ch1, tsense_pwm1,
+                tsense_pwm2, uim0_clk, uim0_data, uim0_present, uim0_reset,
+                uim1_clk, uim1_data, uim1_present, uim1_reset, usb2phy_ac,
+                usb_phy, vfr_0, vfr_1, vsense_trigger ]
+
+      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
+      - function
+
+    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@f000000 {
+                compatible = "qcom,sc7280-pinctrl";
+                reg = <0xf000000 0x1000000>;
+                interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
+                gpio-controller;
+                #gpio-cells = <2>;
+                interrupt-controller;
+                #interrupt-cells = <2>;
+                gpio-ranges = <&tlmm 0 0 175>;
+                wakeup-parent = <&pdc>;
+
+                qup_uart5_default: qup-uart5-pins {
+                        pins = "gpio46", "gpio47";
+                        function = "qup13";
+                        drive-strength = <2>;
+                        bias-disable;
+                };
+        };