dt-bindings: clock: Convert i.MX31 clock to json-schema

Convert the i.MX31 clock binding to DT schema format using json-schema.

Signed-off-by: Anson Huang <[email protected]>
Signed-off-by: Rob Herring <[email protected]>

Author: Anson-Huang

Documentation/devicetree/bindings/clock/imx31-clock.txt

@@ -0,0 +1,120 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/imx31-clock.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Clock bindings for Freescale i.MX31
+
+maintainers:
+  - Fabio Estevam <[email protected]>
+
+description: |
+  The clock consumer should specify the desired clock by having the clock
+  ID in its "clocks" phandle cell. The following is a full list of i.MX31
+  clocks and IDs.
+
+        Clock		    ID
+        -----------------------
+        dummy	             0
+        ckih                 1
+        ckil                 2
+        mpll                 3
+        spll                 4
+        upll                 5
+        mcu_main             6
+        hsp                  7
+        ahb                  8
+        nfc                  9
+        ipg                  10
+        per_div              11
+        per                  12
+        csi_sel              13
+        fir_sel              14
+        csi_div              15
+        usb_div_pre          16
+        usb_div_post         17
+        fir_div_pre          18
+        fir_div_post         19
+        sdhc1_gate           20
+        sdhc2_gate           21
+        gpt_gate             22
+        epit1_gate           23
+        epit2_gate           24
+        iim_gate             25
+        ata_gate             26
+        sdma_gate            27
+        cspi3_gate           28
+        rng_gate             29
+        uart1_gate           30
+        uart2_gate           31
+        ssi1_gate            32
+        i2c1_gate            33
+        i2c2_gate            34
+        i2c3_gate            35
+        hantro_gate          36
+        mstick1_gate         37
+        mstick2_gate         38
+        csi_gate             39
+        rtc_gate             40
+        wdog_gate            41
+        pwm_gate             42
+        sim_gate             43
+        ect_gate             44
+        usb_gate             45
+        kpp_gate             46
+        ipu_gate             47
+        uart3_gate           48
+        uart4_gate           49
+        uart5_gate           50
+        owire_gate           51
+        ssi2_gate            52
+        cspi1_gate           53
+        cspi2_gate           54
+        gacc_gate            55
+        emi_gate             56
+        rtic_gate            57
+        firi_gate            58
+
+properties:
+  compatible:
+    const: fsl,imx31-ccm
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    description: CCM provides 2 interrupt requests, request 1 is to generate
+      interrupt for DVFS when a frequency change is requested, request 2 is
+      to generate interrupt for DPTC when a voltage change is requested.
+    items:
+      - description: CCM DVFS interrupt request 1
+      - description: CCM DPTC interrupt request 2
+
+  '#clock-cells':
+    const: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - '#clock-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    clock-controller@53f80000 {
+        compatible = "fsl,imx31-ccm";
+        reg = <0x53f80000 0x4000>;
+        interrupts = <31>, <53>;
+        #clock-cells = <1>;
+    };
+
+    serial@43f90000 {
+        compatible = "fsl,imx31-uart", "fsl,imx21-uart";
+        reg = <0x43f90000 0x4000>;
+        interrupts = <45>;
+        clocks = <&clks 10>, <&clks 30>;
+        clock-names = "ipg", "per";
+    };