dt-bindings: pinctrl: qcom: Describe Hawi TLMM block

The Top Level Mode Multiplexer (TLMM) in the Qualcomm Hawi SoC
provides GPIO and pinctrl functionality for UFS, SDC and 226
GPIO pins.

Add a DeviceTree binding to describe the TLMM block on Qualcomm's
Hawi SoC.

Signed-off-by: Mukesh Ojha <mukesh.ojha@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Linus Walleij <linusw@kernel.org>

diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,hawi-tlmm.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,hawi-tlmm.yaml
new file mode 100644 (file)
index 0000000..3b39617
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/qcom,hawi-tlmm.yaml
@@ -0,0 +1,120 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/qcom,hawi-tlmm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Technologies, Inc. Hawi TLMM block
+
+maintainers:
+  - Mukesh Ojha <mukesh.ojha@oss.qualcomm.com>
+
+description:
+  Top Level Mode Multiplexer pin controller in Qualcomm Hawi SoC.
+
+allOf:
+  - $ref: /schemas/pinctrl/qcom,tlmm-common.yaml#
+
+properties:
+  compatible:
+    const: qcom,hawi-tlmm
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  gpio-reserved-ranges:
+    minItems: 1
+    maxItems: 113
+
+  gpio-line-names:
+    maxItems: 226
+
+patternProperties:
+  "-state$":
+    oneOf:
+      - $ref: "#/$defs/qcom-hawi-tlmm-state"
+      - patternProperties:
+          "-pins$":
+            $ref: "#/$defs/qcom-hawi-tlmm-state"
+        additionalProperties: false
+
+$defs:
+  qcom-hawi-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:
+          oneOf:
+            - pattern: "^gpio([0-9]|[1-9][0-9]|1[0-9][0-9]|20[0-9]|21[0-9]|22[0-5])$"
+            - enum: [ ufs_reset, sdc2_clk, sdc2_cmd, sdc2_data ]
+        minItems: 1
+        maxItems: 36
+
+      function:
+        description:
+          Specify the alternative function to be configured for the specified
+          pins.
+        enum: [ gpio, aoss_cti, atest_char, atest_usb, audio_ext_mclk,
+                audio_ref_clk, cam_mclk, cci_async_in, cci_i2c0, cci_i2c1,
+                cci_i2c2, cci_i2c3, cci_i2c4, cci_i2c5, cci_timer, coex_espmi,
+                coex_uart1_rx, coex_uart1_tx, dbg_out_clk, ddr_bist, ddr_pxi,
+                dp_hot, egpio, gcc_gp, gnss_adc, host_rst, i2chub0_se0,
+                i2chub0_se1, i2chub0_se2, i2chub0_se3, i2chub0_se4, i2s0, i2s1,
+                ibi_i3c, jitter_bist, mdp_esync0, mdp_esync1, mdp_esync2,
+                mdp_vsync, mdp_vsync_e, mdp_vsync_p, mdp_vsync0_out,
+                mdp_vsync1_out, mdp_vsync2_out, mdp_vsync3_out, mdp_vsync5_out,
+                modem_pps_in, modem_pps_out, nav_gpio, nav_gpio0, nav_gpio3,
+                nav_rffe, pcie0_clk_req_n, pcie0_rst_n, pcie1_clk_req_n,
+                phase_flag, pll_bist_sync, pll_clk_aux, qdss_cti, qlink,
+                qspi, qspi_clk, qspi_cs, qup1_se0, qup1_se1, qup1_se2,
+                qup1_se3, qup1_se4, qup1_se5, qup1_se6, qup1_se7, qup2_se0,
+                qup2_se1, qup2_se2, qup2_se3, qup2_se4_01, qup2_se4_23,
+                qup3_se0_01, qup3_se0_23, qup3_se1, qup3_se2, qup3_se3,
+                qup3_se4, qup3_se5, qup4_se0, qup4_se1, qup4_se2, qup4_se3_01,
+                qup4_se3_23, qup4_se3_l3, qup4_se4_01, qup4_se4_23, qup4_se4_l3,
+                rng_rosc, sd_write_protect, sdc4_clk, sdc4_cmd, sdc4_data,
+                sys_throttle, tb_trig_sdc, tmess_rng, tsense_clm, tsense_pwm,
+                uim0, uim1, usb0_hs, usb_phy, vfr, vsense_trigger_mirnat,
+                wcn_sw_ctrl ]
+
+    required:
+      - pins
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    tlmm: pinctrl@f100000 {
+        compatible = "qcom,hawi-tlmm";
+        reg = <0x0f100000 0x300000>;
+        interrupts = <GIC_ESPI 272 IRQ_TYPE_LEVEL_HIGH>;
+        gpio-controller;
+        #gpio-cells = <2>;
+        gpio-ranges = <&tlmm 0 0 227>;
+        interrupt-controller;
+        #interrupt-cells = <2>;
+
+        qup-uart7-state {
+          pins = "gpio62", "gpio63";
+          function = "qup1_se7";
+        };
+    };
+...