dt-bindings: reset: nuvoton: Document ma35d1 reset control

Add the dt-bindings header for Nuvoton ma35d1, that gets shared
between the reset controller and reset references in the dts.
Add documentation to describe nuvoton ma35d1 reset driver.
Signed-off-by: Jacky Huang <ychuang3@nuvoton.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Documentation/devicetree/bindings/reset/nuvoton,ma35d1-reset.yaml

+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/reset/nuvoton,ma35d1-reset.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Nuvoton MA35D1 Reset Controller
+
+maintainers:
+  - Chi-Fang Li <cfli0@nuvoton.com>
+  - Jacky Huang <ychuang3@nuvoton.com>
+
+description:
+  The system reset controller can be used to reset various peripheral
+  controllers in MA35D1 SoC.
+
+properties:
+  compatible:
+    items:
+      - const: nuvoton,ma35d1-reset
+
+  reg:
+    maxItems: 1
+
+  '#reset-cells':
+    const: 1
+
+required:
+  - compatible
+  - reg
+  - '#reset-cells'
+
+additionalProperties: false
+
+examples:
+  # system reset controller node:
+  - |
+
+    system-management@40460000 {
+        compatible = "nuvoton,ma35d1-reset";
+        reg = <0x40460000 0x200>;
+        #reset-cells = <1>;
+    };
+...
+

include/dt-bindings/reset/nuvoton,ma35d1-reset.h

+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * Copyright (C) 2023 Nuvoton Technologies.
+ * Author: Chi-Fen Li <cfli0@nuvoton.com>
+ *
+ * Device Tree binding constants for MA35D1 reset controller.
+ */
+
+#ifndef __DT_BINDINGS_RESET_MA35D1_H
+#define __DT_BINDINGS_RESET_MA35D1_H
+
+#define MA35D1_RESET_CHIP	0
+#define MA35D1_RESET_CA35CR0	1
+#define MA35D1_RESET_CA35CR1	2
+#define MA35D1_RESET_CM4	3
+#define MA35D1_RESET_PDMA0	4
+#define MA35D1_RESET_PDMA1	5
+#define MA35D1_RESET_PDMA2	6
+#define MA35D1_RESET_PDMA3	7
+#define MA35D1_RESET_DISP	8
+#define MA35D1_RESET_VCAP0	9
+#define MA35D1_RESET_VCAP1	10
+#define MA35D1_RESET_GFX	11
+#define MA35D1_RESET_VDEC	12
+#define MA35D1_RESET_WHC0	13
+#define MA35D1_RESET_WHC1	14
+#define MA35D1_RESET_GMAC0	15
+#define MA35D1_RESET_GMAC1	16
+#define MA35D1_RESET_HWSEM	17
+#define MA35D1_RESET_EBI	18
+#define MA35D1_RESET_HSUSBH0	19
+#define MA35D1_RESET_HSUSBH1	20
+#define MA35D1_RESET_HSUSBD	21
+#define MA35D1_RESET_USBHL	22
+#define MA35D1_RESET_SDH0	23
+#define MA35D1_RESET_SDH1	24
+#define MA35D1_RESET_NAND	25
+#define MA35D1_RESET_GPIO	26
+#define MA35D1_RESET_MCTLP	27
+#define MA35D1_RESET_MCTLC	28
+#define MA35D1_RESET_DDRPUB	29
+#define MA35D1_RESET_TMR0	30
+#define MA35D1_RESET_TMR1	31
+#define MA35D1_RESET_TMR2	32
+#define MA35D1_RESET_TMR3	33
+#define MA35D1_RESET_I2C0	34
+#define MA35D1_RESET_I2C1	35
+#define MA35D1_RESET_I2C2	36
+#define MA35D1_RESET_I2C3	37
+#define MA35D1_RESET_QSPI0	38
+#define MA35D1_RESET_SPI0	39
+#define MA35D1_RESET_SPI1	40
+#define MA35D1_RESET_SPI2	41
+#define MA35D1_RESET_UART0	42
+#define MA35D1_RESET_UART1	43
+#define MA35D1_RESET_UART2	44
+#define MA35D1_RESET_UART3	45
+#define MA35D1_RESET_UART4	46
+#define MA35D1_RESET_UART5	47
+#define MA35D1_RESET_UART6	48
+#define MA35D1_RESET_UART7	49
+#define MA35D1_RESET_CANFD0	50
+#define MA35D1_RESET_CANFD1	51
+#define MA35D1_RESET_EADC0	52
+#define MA35D1_RESET_I2S0	53
+#define MA35D1_RESET_SC0	54
+#define MA35D1_RESET_SC1	55
+#define MA35D1_RESET_QSPI1	56
+#define MA35D1_RESET_SPI3	57
+#define MA35D1_RESET_EPWM0	58
+#define MA35D1_RESET_EPWM1	59
+#define MA35D1_RESET_QEI0	60
+#define MA35D1_RESET_QEI1	61
+#define MA35D1_RESET_ECAP0	62
+#define MA35D1_RESET_ECAP1	63
+#define MA35D1_RESET_CANFD2	64
+#define MA35D1_RESET_ADC0	65
+#define MA35D1_RESET_TMR4	66
+#define MA35D1_RESET_TMR5	67
+#define MA35D1_RESET_TMR6	68
+#define MA35D1_RESET_TMR7	69
+#define MA35D1_RESET_TMR8	70
+#define MA35D1_RESET_TMR9	71
+#define MA35D1_RESET_TMR10	72
+#define MA35D1_RESET_TMR11	73
+#define MA35D1_RESET_UART8	74
+#define MA35D1_RESET_UART9	75
+#define MA35D1_RESET_UART10	76
+#define MA35D1_RESET_UART11	77
+#define MA35D1_RESET_UART12	78
+#define MA35D1_RESET_UART13	79
+#define MA35D1_RESET_UART14	80
+#define MA35D1_RESET_UART15	81
+#define MA35D1_RESET_UART16	82
+#define MA35D1_RESET_I2S1	83
+#define MA35D1_RESET_I2C4	84
+#define MA35D1_RESET_I2C5	85
+#define MA35D1_RESET_EPWM2	86
+#define MA35D1_RESET_ECAP2	87
+#define MA35D1_RESET_QEI2	88
+#define MA35D1_RESET_CANFD3	89
+#define MA35D1_RESET_KPI	90
+#define MA35D1_RESET_GIC	91
+#define MA35D1_RESET_SSMCC	92
+#define MA35D1_RESET_SSPCC	93
+#define MA35D1_RESET_COUNT	94
+
+#endif