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From:   Varadarajan Narayanan <varada@codeaurora.org>
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Subject: [PATCH 4/7] dt-bindings: pinctrl: qcom: Add ipq5018 pinctrl bindings
Date:   Mon, 28 Sep 2020 10:45:37 +0530
Message-Id: <1601270140-4306-5-git-send-email-varada@codeaurora.org>
In-Reply-To: <1601270140-4306-1-git-send-email-varada@codeaurora.org>
References: <1601270140-4306-1-git-send-email-varada@codeaurora.org>
Precedence: bulk

Add device tree binding Documentation details for ipq5018
pinctrl driver.

Signed-off-by: Varadarajan Narayanan <varada@codeaurora.org>
---
 .../bindings/pinctrl/qcom,ipq5018-pinctrl.yaml     | 143 +++++++++++++++++++++
 1 file changed, 143 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pinctrl/qcom,ipq5018-pinctrl.yaml

diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,ipq5018-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,ipq5018-pinctrl.yaml
new file mode 100644
index 00000000..7fff90d
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/qcom,ipq5018-pinctrl.yaml
@@ -0,0 +1,143 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/qcom,ipq5018-pinctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Technologies, Inc. IPQ5018 TLMM block
+
+maintainers:
+  - Nitheesh Sekar <nsekar@codeaurora.org>
+
+description: |
+  This binding describes the Top Level Mode Multiplexer block found in the
+  IPQ5018 platform.
+
+properties:
+  compatible:
+    const: qcom,ipq5018-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
+
+#PIN CONFIGURATION NODES
+patternProperties:
+  '-pinmux$':
+    type: object
+    description:
+      Pinctrl node's client devices use subnodes for desired pin configuration.
+      Client device subnodes use below standard properties.
+    $ref: "/schemas/pinctrl/pincfg-node.yaml"
+
+    properties:
+      pins:
+        description:
+          List of gpio pins affected by the properties specified in this
+          subnode.
+        items:
+          oneOf:
+            - pattern: "^gpio([1-9]|[1-7][0-9]|80)$"
+        minItems: 1
+        maxItems: 4
+
+      function:
+        description:
+          Specify the alternative function to be configured for the specified
+          pins.
+        enum: [ atest_char, atest_char0, atest_char1, atest_char2, atest_char3,
+          audio_pdm0, audio_pdm1, audio_rxbclk, audio_rxd, audio_rxfsync,
+          audio_rxmclk, audio_txbclk, audio_txd, audio_txfsync, audio_txmclk,
+          blsp0_i2c, blsp0_spi, blsp0_uart0, blsp0_uart1, blsp1_i2c0,
+          blsp1_i2c1, blsp1_spi0, blsp1_spi1, blsp1_uart0, blsp1_uart1,
+          blsp1_uart2, blsp2_i2c0, blsp2_i2c1, blsp2_spi, blsp2_spi0,
+          blsp2_spi1, btss0, btss1, btss10, btss11, btss12, btss13, btss2,
+          btss3, btss4, btss5, btss6, btss7, btss8, btss9, burn0, burn1,
+          cri_trng, cri_trng0, cri_trng1, cxc_clk, cxc_data, dbg_out, eud_gpio,
+          gcc_plltest, gcc_tlmm, gpio, mac0, mac1, mdc, mdio, pcie0_clk,
+          pcie0_wake, pcie1_clk, pcie1_wake, pll_test, prng_rosc, pwm0, pwm1,
+          pwm2, pwm3, 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, qspi_clk, qspi_cs, qspi0, qspi1,
+          qspi2, qspi3, reset_out, sdc1_clk, sdc1_cmd, sdc10, sdc11, sdc12,
+          sdc13, wci0, wci1, wci2, wci3, wci4, wci5, wci6, wci7, wsa_swrm,
+          wsi_clk3, wsi_data3, wsis_reset, xfem0, xfem1, xfem2, xfem3, xfem4,
+          xfem5, xfem6, xfem7 ]
+
+      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@1000000 {
+              compatible = "qcom,ipq5018-pinctrl";
+              reg = <0x01000000 0x300000>;
+              interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
+              interrupt-controller;
+              #interrupt-cells = <2>;
+              gpio-controller;
+              #gpio-cells = <2>;
+              gpio-ranges = <&tlmm 0 80>;
+
+              serial3-pinmux {
+                      pins = "gpio44", "gpio45";
+                      function = "blsp2_uart";
+                      drive-strength = <8>;
+                      bias-pull-down;
+              };
+        };
-- 
2.7.4