[PATCH V2 1/7] dt-bindings: pinctrl: qcom: Add ipq6018 pinctrl bindings

[Sricharan R <sricharan@codeaurora.org>]

Add device tree binding Documentation details for ipq6018
pinctrl driver.

Co-developed-by: Rajkumar Ayyasamy <arajkuma@codeaurora.org>
Signed-off-by: Rajkumar Ayyasamy <arajkuma@codeaurora.org>
Co-developed-by: Selvam Sathappan Periakaruppan <speriaka@codeaurora.org>
Signed-off-by: Selvam Sathappan Periakaruppan <speriaka@codeaurora.org>
Co-developed-by: Sivaprakash Murugesan <sivaprak@codeaurora.org>
Signed-off-by: Sivaprakash Murugesan <sivaprak@codeaurora.org>
Signed-off-by: Sricharan R <sricharan@codeaurora.org>
---

[V2] Splitted dt bindings and driver into different patches. Added missing bindings,
     and some style changes.

 .../bindings/pinctrl/qcom,ipq6018-pinctrl.yaml     | 172 +++++++++++++++++++++
 1 file changed, 172 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pinctrl/qcom,ipq6018-pinctrl.yaml

diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,ipq6018-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,ipq6018-pinctrl.yaml
new file mode 100644
index 0000000..745a11e
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/qcom,ipq6018-pinctrl.yaml
@@ -0,0 +1,172 @@
+# SPDX-License-Identifier: GPL-2.0-or-later
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/qcom,ipq6018-pinctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Technologies, Inc. IPQ6018 TLMM block
+
+maintainers:
+  - Sricharan R <sricharan@codeaurora.org>
+
+description: |
+  This binding describes the Top Level Mode Multiplexer block found in the
+  IPQ6018 platform.
+
+properties:
+  compatible:
+    const: qcom,ipq6018-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:
+    Description: Documentation/devicetree/bindings/gpio/gpio.txt
+    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.
+
+    Properties:
+      pins:
+        allOf:
+          $ref: /schemas/types.yaml#/definitions/string
+          enum:
+            gpio0-gpio80
+            sdc1_clk
+            sdc1_cmd
+            sdc1_data
+            sdc2_clk
+            sdc2_cmd
+            sdc2_data
+            qdsd_cmd
+            qdsd_data0
+            qdsd_data1
+            qdsd_data2
+            qdsd_data3
+        Description:
+          List of gpio pins affected by the properties specified in this
+          subnode.
+
+      function:
+        allOf:
+          $ref: /schemas/types.yaml#/definitions/string
+          enum:
+            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, gpio, 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
+        Description:
+          Specify the alternative function to be configured for the specified
+          pins.
+      bias-disable:
+        type: boolean
+        Description:
+          The specified pins should be configured as no pull.
+      bias-pull-down:
+        type: boolean
+        Description:
+          The specified pins should be configured as pull down.
+      bias-pull-up:
+        type: boolean
+        Description:
+          The specified pins should be configured as pull up.
+      output-high:
+        type: boolean
+        Description:
+          The specified pins are configured in output mode, driven high.
+          This option is not available for sdc pins.
+      output-low:
+        type: boolean
+        Description:
+          The specified pins are configured in output mode, driven low.
+          This option is not available for sdc pins.
+      drive-strength:
+        allOf:
+          $ref: /schemas/types.yaml#/definitions/uint32
+          enum: [2, 4, 6, 8, 10, 12, 14, 16]
+        Description:
+          elects the drive strength for the specified pins, in mA.
+
+    required:
+      - pins
+      - function
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - interrupt-controller
+  - '#interrupt-cells'
+  - gpio-controller
+  - '#gpio-cells'
+  - gpio-ranges
+
+example:
+        tlmm: pinctrl@1000000 {
+                compatible = "qcom,ipq6018-pinctrl";
+                reg = <0x1000000 0x300000>;
+                interrupts = <0 208 0>;
+                gpio-controller;
+                #gpio-cells = <2>;
+                interrupt-controller;
+                #interrupt-cells = <2>;
+
+                uart_pins: uart_pins {
+                        mux {
+                                pins = "gpio4", "gpio5";
+                                function = "blsp_uart2";
+                        };
+
+                        tx {
+                                pins = "gpio4";
+                                drive-strength = <4>;
+                                bias-disable;
+                        };
+
+                        rx {
+                                pins = "gpio5";
+                                drive-strength = <2>;
+                                bias-pull-up;
+                        };
+                };
+        };
-- 
1.9.1