dt-bindings: pinctrl: qcom,msm8916: convert to dtschema

Convert Qualcomm MSM8916 pin controller bindings to DT schema.  Keep the
parsing of pin configuration subnodes consistent with other Qualcomm
schemas (children named with '-state' suffix, their children with
'-pins').

Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20221024002356.28261-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 166 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,msm8916-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,msm8916-pinctrl.yaml
new file mode 100644
index 000000000000..5495f58905af
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/qcom,msm8916-pinctrl.yaml
@@ -0,0 +1,166 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/qcom,msm8916-pinctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm MSM8916 TLMM pin controller
+
+maintainers:
+  - Bjorn Andersson <andersson@kernel.org>
+  - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
+
+description:
+  Top Level Mode Multiplexer pin controller in Qualcomm MSM8916 SoC.
+
+properties:
+  compatible:
+    const: qcom,msm8916-pinctrl
+
+  reg:
+    maxItems: 1
+
+  interrupts: true
+  interrupt-controller: true
+  "#interrupt-cells": true
+  gpio-controller: true
+  "#gpio-cells": true
+  gpio-ranges: true
+  wakeup-parent: true
+
+  gpio-reserved-ranges:
+    minItems: 1
+    maxItems: 61
+
+  gpio-line-names:
+    maxItems: 122
+
+patternProperties:
+  "-state$":
+    oneOf:
+      - $ref: "#/$defs/qcom-msm8916-tlmm-state"
+      - patternProperties:
+          "-pins$":
+            $ref: "#/$defs/qcom-msm8916-tlmm-state"
+        additionalProperties: false
+
+$defs:
+  qcom-msm8916-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[01])$"
+            - enum: [ qdsd_clk, qdsd_cmd, qdsd_data0, qdsd_data1, qdsd_data2,
+                      qdsd_data3, 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: [ gpio, adsp_ext, alsp_int, atest_bbrx0, atest_bbrx1, atest_char,
+                atest_char0, atest_char1, atest_char2, atest_char3,
+                atest_combodac, atest_gpsadc0, atest_gpsadc1, atest_tsens,
+                atest_wlan0, atest_wlan1, backlight_en, bimc_dte0, bimc_dte1,
+                blsp_i2c1, blsp_i2c2, blsp_i2c3, blsp_i2c4, blsp_i2c5,
+                blsp_i2c6, blsp_spi1, blsp_spi1_cs1, blsp_spi1_cs2,
+                blsp_spi1_cs3, blsp_spi2, blsp_spi2_cs1, blsp_spi2_cs2,
+                blsp_spi2_cs3, blsp_spi3, blsp_spi3_cs1, blsp_spi3_cs2,
+                blsp_spi3_cs3, blsp_spi4, blsp_spi5, blsp_spi6, blsp_uart1,
+                blsp_uart2, blsp_uim1, blsp_uim2, cam1_rst, cam1_standby,
+                cam_mclk0, cam_mclk1, cci_async, cci_i2c, cci_timer0,
+                cci_timer1, cci_timer2, cdc_pdm0, codec_mad, dbg_out,
+                display_5v, dmic0_clk, dmic0_data, dsi_rst, ebi0_wrcdc,
+                euro_us, ext_lpass, flash_strobe, gcc_gp1_clk_a, gcc_gp1_clk_b,
+                gcc_gp2_clk_a, gcc_gp2_clk_b, gcc_gp3_clk_a, gcc_gp3_clk_b,
+                gsm0_tx0, gsm0_tx1, gsm1_tx0, gsm1_tx1, gyro_accl, kpsns0,
+                kpsns1, kpsns2, ldo_en, ldo_update, mag_int, mdp_vsync,
+                modem_tsync, m_voc, nav_pps, nav_tsync, pa_indicator, pbs0,
+                pbs1, pbs2, pri_mi2s, 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_ctitrig_in_a0, qdss_ctitrig_in_a1,
+                qdss_ctitrig_in_b0, qdss_ctitrig_in_b1, qdss_ctitrig_out_a0,
+                qdss_ctitrig_out_a1, qdss_ctitrig_out_b0, qdss_ctitrig_out_b1,
+                qdss_traceclk_a, qdss_traceclk_b, qdss_tracectl_a,
+                qdss_tracectl_b, qdss_tracedata_a, qdss_tracedata_b, reset_n,
+                sd_card, sd_write, sec_mi2s, smb_int, ssbi_wtr0, ssbi_wtr1,
+                uim1, uim2, uim3, uim_batt, wcss_bt, wcss_fm, wcss_wlan,
+                webcam1_rst ]
+
+      bias-pull-down: true
+      bias-pull-up: true
+      bias-disable: true
+      drive-strength: true
+      input-enable: true
+      output-high: true
+      output-low: true
+
+    required:
+      - pins
+
+    additionalProperties: false
+
+allOf:
+  - $ref: /schemas/pinctrl/qcom,tlmm-common.yaml#
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    msmgpio: pinctrl@1000000 {
+        compatible = "qcom,msm8916-pinctrl";
+        reg = <0x01000000 0x300000>;
+        interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
+        gpio-controller;
+        gpio-ranges = <&msmgpio 0 0 122>;
+        #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;
+            };
+        };
+    };