dt-bindings: pinctrl: qcom: Add MSM8917 pinctrl

Add device tree bindings documentation for Qualcomm MSM8917
pinctrl driver.

Reviewed-by: Krzysztof Kozlowski <[email protected]>
Signed-off-by: Barnabás Czémán <[email protected]>
Link: https://lore.kernel.org/[email protected]
Signed-off-by: Linus Walleij <[email protected]>

Author: barni2000

Documentation/devicetree/bindings/pinctrl/qcom,msm8917-pinctrl.yaml

@@ -0,0 +1,160 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/qcom,msm8917-pinctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm MSM8917 TLMM pin controller
+
+maintainers:
+  - Barnabas Czeman <[email protected]>
+
+description:
+  Top Level Mode Multiplexer pin controller in Qualcomm MSM8917 SoC.
+
+properties:
+  compatible:
+    const: qcom,msm8917-pinctrl
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  gpio-reserved-ranges:
+    minItems: 1
+    maxItems: 66
+
+  gpio-line-names:
+    maxItems: 134
+
+patternProperties:
+  "-state$":
+    oneOf:
+      - $ref: "#/$defs/qcom-msm8917-tlmm-state"
+      - patternProperties:
+          "-pins$":
+            $ref: "#/$defs/qcom-msm8917-tlmm-state"
+        additionalProperties: false
+
+$defs:
+  qcom-msm8917-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[0-2][0-9]|13[0-3])$"
+            - enum: [ sdc1_clk, sdc1_cmd, sdc1_data, sdc1_rclk, sdc2_clk,
+                      sdc2_cmd, sdc2_data, qdsd_clk, qdsd_cmd, qdsd_data0,
+                      qdsd_data1, qdsd_data2, qdsd_data3 ]
+        minItems: 1
+        maxItems: 16
+
+      function:
+        description:
+          Specify the alternative function to be configured for the specified
+          pins.
+
+        enum: [ accel_int, adsp_ext, alsp_int, atest_bbrx0, atest_bbrx1,
+                atest_char, atest_char0, atest_char1, atest_char2,
+                atest_char3, atest_combodac_to_gpio_native,
+                atest_gpsadc_dtest0_native, atest_gpsadc_dtest1_native,
+                atest_tsens, atest_wlan0, atest_wlan1, audio_ref,
+                audio_reset, bimc_dte0, bimc_dte1, blsp6_spi, blsp8_spi,
+                blsp_i2c1, blsp_i2c2, blsp_i2c3, blsp_i2c4, blsp_i2c5,
+                blsp_i2c6, blsp_i2c7, blsp_i2c8, blsp_spi1, blsp_spi2,
+                blsp_spi3, blsp_spi4, blsp_spi5, blsp_spi6, blsp_spi7,
+                blsp_spi8, blsp_uart1, blsp_uart2, blsp_uart3, blsp_uart4,
+                blsp_uart5, blsp_uart6, blsp_uart7, blsp_uart8, cam0_ldo,
+                cam1_rst, cam1_standby, cam2_rst, cam2_standby, cam_mclk,
+                cci_async, cci_i2c, cci_timer0, cci_timer1, cdc_pdm0,
+                codec_int1, codec_int2, codec_mad, coex_uart, cri_trng,
+                cri_trng0, cri_trng1, dbg_out, dmic0_clk, dmic0_data,
+                ebi_cdc, ebi_ch0, ext_lpass, forced_usb, fp_gpio, fp_int,
+                gcc_gp1_clk_a, gcc_gp1_clk_b, gcc_gp2_clk_a, gcc_gp2_clk_b,
+                gcc_gp3_clk_a, gcc_gp3_clk_b, gcc_plltest, gcc_tlmm, gpio,
+                gsm0_tx, key_focus, key_snapshot, key_volp, ldo_en,
+                ldo_update, lpass_slimbus, lpass_slimbus0, lpass_slimbus1,
+                m_voc, mag_int, mdp_vsync, mipi_dsi0, modem_tsync, nav_pps,
+                nav_pps_in_a, nav_pps_in_b, nav_tsync, nfc_pwr, ov_ldo,
+                pa_indicator, pbs0, pbs1, pbs2, pri_mi2s, pri_mi2s_mclk_a,
+                pri_mi2s_mclk_b, pri_mi2s_ws, prng_rosc,
+                pwr_crypto_enabled_a, pwr_crypto_enabled_b,
+                pwr_modem_enabled_a, pwr_modem_enabled_b, pwr_nav_enabled_a,
+                pwr_nav_enabled_b, qdss_cti_trig_in_a0, qdss_cti_trig_in_a1,
+                qdss_cti_trig_in_b0, qdss_cti_trig_in_b1,
+                qdss_cti_trig_out_a0, qdss_cti_trig_out_a1,
+                qdss_cti_trig_out_b0, qdss_cti_trig_out_b1, qdss_traceclk_a,
+                qdss_traceclk_b, qdss_tracectl_a, qdss_tracectl_b,
+                qdss_tracedata_a, qdss_tracedata_b, sd_write, sdcard_det,
+                sec_mi2s, sec_mi2s_mclk_a, sec_mi2s_mclk_b, sensor_rst,
+                smb_int, ssbi_wtr1, ts_resout, ts_sample, uim1_clk,
+                uim1_data, uim1_present, uim1_reset, uim2_clk, uim2_data,
+                uim2_present, uim2_reset, uim_batt, us_emitter, us_euro,
+                wcss_bt, wcss_fm, wcss_wlan, wcss_wlan0, wcss_wlan1,
+                wcss_wlan2, webcam_rst, webcam_standby, wsa_io, wsa_irq ]
+
+    required:
+      - pins
+
+allOf:
+  - $ref: /schemas/pinctrl/qcom,tlmm-common.yaml#
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    tlmm: pinctrl@1000000 {
+        compatible = "qcom,msm8917-pinctrl";
+        reg = <0x01000000 0x300000>;
+        interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
+        gpio-controller;
+        gpio-ranges = <&tlmm 0 0 134>;
+        #gpio-cells = <2>;
+        interrupt-controller;
+        #interrupt-cells = <2>;
+
+        blsp1-uart2-sleep-state {
+            pins = "gpio4", "gpio5";
+            function = "gpio";
+
+            drive-strength = <2>;
+            bias-pull-down;
+        };
+
+        spi1-default-state {
+            spi-pins {
+                pins = "gpio0", "gpio1", "gpio3";
+                function = "blsp_spi1";
+
+                drive-strength = <12>;
+                bias-disable;
+            };
+
+            cs-pins {
+                pins = "gpio2";
+                function = "gpio";
+
+                drive-strength = <16>;
+                bias-disable;
+                output-high;
+            };
+        };
+    };