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Message-Id: <1639479189-6693-2-git-send-email-wellslutw@gmail.com>
Date:   Tue, 14 Dec 2021 18:53:08 +0800
From:   Wells Lu <wellslutw@...il.com>
To:     linus.walleij@...aro.org, linux-gpio@...r.kernel.org,
        linux-kernel@...r.kernel.org, robh+dt@...nel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Cc:     wells.lu@...plus.com, dvorkin@...bo.com,
        Wells Lu <wellslutw@...il.com>
Subject: [PATCH v4 1/2] dt-bindings: pinctrl: Add dt-bindings for Sunplus SP7021

Add dt-bindings header files and documentation for Sunplus SP7021 SoC.

Signed-off-by: Wells Lu <wellslutw@...il.com>
---
Changes in V4
  - Addressed comments of Mr. Linus Walleij.
    - Remove 'if type object then' stuff for patternProperties '-pins$'.
    - Added more descriptions about pins control of SP7021.
    - Modified name property 'pins' to 'sunplus,pins' (vendor specific).
    - Modified name property 'zero_func' to 'sunplus,zero_func' (vendor specific).

 .../bindings/pinctrl/sunplus,sp7021-pinctrl.yaml   | 375 +++++++++++++++++++++
 MAINTAINERS                                        |   9 +
 include/dt-bindings/pinctrl/sppctl-sp7021.h        | 173 ++++++++++
 include/dt-bindings/pinctrl/sppctl.h               |  40 +++
 4 files changed, 597 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/pinctrl/sunplus,sp7021-pinctrl.yaml
 create mode 100644 include/dt-bindings/pinctrl/sppctl-sp7021.h
 create mode 100644 include/dt-bindings/pinctrl/sppctl.h

diff --git a/Documentation/devicetree/bindings/pinctrl/sunplus,sp7021-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/sunplus,sp7021-pinctrl.yaml
new file mode 100644
index 0000000..6ecd999
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/sunplus,sp7021-pinctrl.yaml
@@ -0,0 +1,375 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (C) Sunplus Co., Ltd.
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/sunplus,sp7021-pinctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Sunplus SP7021 Pin Controller Device Tree Bindings
+
+maintainers:
+  - Dvorkin Dmitry <dvorkin@...bo.com>
+  - Wells Lu <wellslutw@...il.com>
+
+description: |
+  The Sunplus SP7021 pin controller is used to control SoC pins. Please
+  refer to pinctrl-bindings.txt in this directory for details of the common
+  pinctrl bindings used by client devices.
+
+  SP7021 has 99 digital GPIO pins which are numbered from GPIO 0 to 98. All
+  are multiplexed with some special function pins. SP7021 has 3 types of
+  special function pins:
+
+  (1) function-group pins:
+      Ex 1 (SPI-NOR flash):
+        If control-field SPI_FLASH_SEL is set to 1, GPIO 83, 84, 86 and 87
+        will be pins of SPI-NOR flash. If it is set to 2, GPIO 76, 78, 79
+        and 81 will be pins of SPI-NOR flash.
+
+      Ex 2 (UART_0):
+        If control-bit UA0_SEL is set to 1, GPIO 88 and 89 will be TX and
+        RX pins of UART_0 (UART channel 0).
+
+      Ex 3 (eMMC):
+        If control-bit EMMC_SEL is set to 1, GPIO 72, 73, 74, 75, 76, 77,
+        78, 79, 80, 81 will be pins of an eMMC device.
+
+      Properties "function" and "groups" are used to select function-group
+      pins.
+
+  (2) fully pin-mux (like phone exchange mux) pins:
+      GPIO 8 to 71 are 'fully pin-mux' pins. Any pins of peripherals of
+      SP7021 (ex: UART_1, UART_2, UART_3, UART_4, I2C_0, I2C_1, and etc.)
+      can be routed to any pins of fully pin-mux pins.
+
+      Ex 1 (UART channel 1):
+        If control-field UA1_TX_SEL is set to 3, TX pin of UART_1 will be
+        routed to GPIO 10 (3 - 1 + 8 = 10).
+        If control-field UA1_RX_SEL is set to 4, RX pin of UART_1 will be
+        routed to GPIO 11 (4 - 1 + 8 = 11).
+        If control-field UA1_RTS_SEL is set to 5, RTS pin of UART_1 will
+        be routed to GPIO 12 (5 - 1 + 8 = 12).
+        If control-field UA1_CTS_SEL is set to 6, CTS pin of UART_1 will
+        be routed to GPIO 13 (6 - 1 + 8 = 13).
+
+      Ex 2 (I2C channel 0):
+        If control-field I2C0_CLK_SEL is set to 20, CLK pin of I2C_0 will
+        be routed to GPIO 27 (20 - 1 + 8 = 27).
+        If control-field I2C0_DATA_SEL is set to 21, DATA pin of I2C_0
+        will be routed to GPIO 28 (21 - 1 + 9 = 28).
+
+      Totally, SP7021 has 120 peripheral pins. The peripheral pins can be
+      routed to any of 64 'fully pin-mux' pins.
+
+  (3) I/O processor pins
+      SP7021 has a built-in I/O processor.
+      Any GPIO pins (GPIO 0 to 98) can be set to pins of I/O processor.
+
+  Vendor property "sunplus,pins" is used to select "fully pin-mux" pins,
+  "I/O processor pins" and "digital GPIO" pins.
+
+  The device node of pin controller of Sunplus SP7021 has following
+  properties.
+
+properties:
+  compatible:
+    const: sunplus,sp7021-pctl
+
+  gpio-controller: true
+
+  '#gpio-cells':
+    const: 2
+
+  reg:
+    items:
+      - description: the MOON2 registers
+      - description: the GPIOXT registers
+      - description: the GPIOXT2 registers
+      - description: the FIRST registers
+      - description: the MOON1 registers
+
+  reg-names:
+    items:
+      - const: moon2
+      - const: gpioxt
+      - const: gpioxt2
+      - const: first
+      - const: moon1
+
+  clocks:
+    maxItems: 1
+
+  resets:
+    maxItems: 1
+
+patternProperties:
+  '-pins$':
+    type: object
+    description: |
+      A pinctrl node should contain at least one subnodes representing the
+      pins or function-pins group available on the machine. Each subnode
+      will list the pins it needs, and how they should be configured.
+
+      Pinctrl node's client devices use subnodes for desired pin
+      configuration. Client device subnodes use below standard properties.
+
+    properties:
+      sunplus,pins:
+        description: |
+          Define 'sunplus,pins' which are used by pinctrl node's client
+          device.
+
+          It consists of one or more integers which represents the config
+          setting for corresponding pin. Each integer defines a individual
+          pin in which:
+
+          Bit 32~24: defines GPIO number. Its range is 0 ~ 98.
+          Bit 23~16: defines types: (1) fully pin-mux pins
+                                    (2) IO processor pins
+                                    (3) digital GPIO pins
+          Bit 15~8:  defines pins of peripherals (which are defined in
+                     'include/dt-binging/pinctrl/sppctl.h').
+          Bit 7~0:   defines types or initial-state of digital GPIO pins.
+
+          Please use macro SPPCTL_IOPAD to define the integers for pins.
+
+        $ref: /schemas/types.yaml#/definitions/uint32-array
+
+      function:
+        description: |
+          Define pin-function which is used by pinctrl node's client device.
+          The name should be one of string in the following enumeration.
+        $ref: "/schemas/types.yaml#/definitions/string"
+        enum: [ SPI_FLASH, SPI_FLASH_4BIT, SPI_NAND, CARD0_EMMC, SD_CARD,
+                UA0, FPGA_IFX, HDMI_TX, LCDIF, USB0_OTG, USB1_OTG ]
+
+      groups:
+        description: |
+          Define pin-group in a specified pin-function.
+          The name should be one of string in the following enumeration.
+        $ref: "/schemas/types.yaml#/definitions/string"
+        enum: [ SPI_FLASH1, SPI_FLASH2, SPI_FLASH_4BIT1, SPI_FLASH_4BIT2,
+                SPI_NAND, CARD0_EMMC, SD_CARD, UA0, FPGA_IFX, HDMI_TX1,
+                HDMI_TX2, HDMI_TX3, LCDIF, USB0_OTG, USB1_OTG ]
+
+      sunplus,zero_func:
+        description: |
+          This is a vendor specific property. It is used to disable pins
+          which are not used by pinctrl node's client device.
+          Some pins may be enabled by boot-loader. We can use this
+          property to disable them.
+        $ref: /schemas/types.yaml#/definitions/uint32-array
+
+    additionalProperties: false
+
+    allOf:
+      - if:
+          properties:
+            function:
+              enum:
+                - SPI_FLASH
+        then:
+          properties:
+            groups:
+              enum:
+                - SPI_FLASH1
+                - SPI_FLASH2
+      - if:
+          properties:
+            function:
+              enum:
+                - SPI_FLASH_4BIT
+        then:
+          properties:
+            groups:
+              enum:
+                - SPI_FLASH_4BIT1
+                - SPI_FLASH_4BIT2
+      - if:
+          properties:
+            function:
+              enum:
+                - SPI_NAND
+        then:
+          properties:
+            groups:
+              enum:
+                - SPI_NAND
+      - if:
+          properties:
+            function:
+              enum:
+                - CARD0_EMMC
+        then:
+          properties:
+            groups:
+              enum:
+                - CARD0_EMMC
+      - if:
+          properties:
+            function:
+              enum:
+                - SD_CARD
+        then:
+          properties:
+            groups:
+              enum:
+                - SD_CARD
+      - if:
+          properties:
+            function:
+              enum:
+                - UA0
+        then:
+          properties:
+            groups:
+              enum:
+                - UA0
+      - if:
+          properties:
+            function:
+              enum:
+                - FPGA_IFX
+        then:
+          properties:
+            groups:
+              enum:
+                - FPGA_IFX
+      - if:
+          properties:
+            function:
+              enum:
+                - HDMI_TX
+        then:
+          properties:
+            groups:
+              enum:
+                - HDMI_TX1
+                - HDMI_TX2
+                - HDMI_TX3
+      - if:
+          properties:
+            function:
+              enum:
+                - LCDIF
+        then:
+          properties:
+            groups:
+              enum:
+                - LCDIF
+      - if:
+          properties:
+            function:
+              enum:
+                - USB0_OTG
+        then:
+          properties:
+            groups:
+              enum:
+                - USB0_OTG
+      - if:
+          properties:
+            function:
+              enum:
+                - USB1_OTG
+        then:
+          properties:
+            groups:
+              enum:
+                - USB1_OTG
+
+required:
+  - compatible
+  - reg
+  - reg-names
+  - "#gpio-cells"
+  - gpio-controller
+  - clocks
+  - resets
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/pinctrl/sppctl-sp7021.h>
+
+    pinctl@...00100 {
+        compatible = "sunplus,sp7021-pctl";
+        reg = <0x9c000100 0x100>, <0x9c000300 0x80>, <0x9c000380 0x80>,
+              <0x9c0032e4 0x1c>, <0x9c000080 0x20>;
+        reg-names = "moon2", "gpioxt", "gpioxt2", "first", "moon1";
+        gpio-controller;
+        #gpio-cells = <2>;
+        clocks = <&clkc 0x83>;
+        resets = <&rstc 0x73>;
+
+        uart0-pins {
+            function = "UA0";
+            groups = "UA0";
+        };
+
+        spinand0-pins {
+            function = "SPI_NAND";
+            groups = "SPI_NAND";
+        };
+
+        uart1-pins {
+            sunplus,pins = <
+                SPPCTL_IOPAD(11, SPPCTL_PCTL_G_PMUX, MUXF_UA1_TX, 0)
+                SPPCTL_IOPAD(10, SPPCTL_PCTL_G_PMUX, MUXF_UA1_RX, 0)
+            >;
+        };
+
+        uart2-pins {
+            sunplus,pins = <
+                SPPCTL_IOPAD(20, SPPCTL_PCTL_G_PMUX, MUXF_UA1_TX, 0)
+                SPPCTL_IOPAD(21, SPPCTL_PCTL_G_PMUX, MUXF_UA1_RX, 0)
+                SPPCTL_IOPAD(22, SPPCTL_PCTL_G_PMUX, MUXF_UA1_RTS, 0)
+                SPPCTL_IOPAD(23, SPPCTL_PCTL_G_PMUX, MUXF_UA1_CTS, 0)
+            >;
+        };
+
+        emmc-pins {
+            function = "CARD0_EMMC";
+            groups = "CARD0_EMMC";
+        };
+
+        sdcard-pins {
+            function = "SD_CARD";
+            groups = "SD_CARD";
+            sunplus,pins = < SPPCTL_IOPAD(91, SPPCTL_PCTL_G_GPIO, 0, 0) >;
+        };
+
+        hdmi_A_tx1-pins {
+            function = "HDMI_TX";
+            groups = "HDMI_TX1";
+        };
+        hdmi_A_tx2-pins {
+            function = "HDMI_TX";
+            groups = "HDMI_TX2";
+        };
+        hdmi_A_tx3-pins {
+            function = "HDMI_TX";
+            groups = "HDMI_TX3";
+        };
+
+        ethernet-pins {
+            sunplus,pins = <
+                SPPCTL_IOPAD(49,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_CLK_OUT,0)
+                SPPCTL_IOPAD(44,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_MAC_SMI_MDC,0)
+                SPPCTL_IOPAD(43,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_MAC_SMI_MDIO,0)
+                SPPCTL_IOPAD(52,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_P0_MAC_RMII_TXEN,0)
+                SPPCTL_IOPAD(50,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_P0_MAC_RMII_TXD0,0)
+                SPPCTL_IOPAD(51,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_P0_MAC_RMII_TXD1,0)
+                SPPCTL_IOPAD(46,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_P0_MAC_RMII_CRSDV,0)
+                SPPCTL_IOPAD(47,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_P0_MAC_RMII_RXD0,0)
+                SPPCTL_IOPAD(48,SPPCTL_PCTL_G_PMUX,MUXF_L2SW_P0_MAC_RMII_RXD1,0)
+            >;
+            sunplus,zero_func = <
+                MUXF_L2SW_LED_FLASH0
+                MUXF_L2SW_LED_ON0
+                MUXF_L2SW_P0_MAC_RMII_RXER
+            >;
+        };
+    };
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index 13f9a84..6a11176 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -15127,6 +15127,15 @@ L:	linux-omap@...r.kernel.org
 S:	Maintained
 F:	drivers/pinctrl/pinctrl-single.c
 
+PIN CONTROLLER - SUNPLUS / TIBBO
+M:	Dvorkin Dmitry <dvorkin@...bo.com>
+M:	Wells Lu <wellslutw@...il.com>
+L:	linux-arm-kernel@...ts.infradead.org (moderated for non-subscribers)
+S:	Maintained
+W:	https://sunplus-tibbo.atlassian.net/wiki/spaces/doc/overview
+F:	Documentation/devicetree/bindings/pinctrl/sunplus,*
+F:	include/dt-bindings/pinctrl/sppctl*
+
 PKTCDVD DRIVER
 M:	linux-block@...r.kernel.org
 S:	Orphan
diff --git a/include/dt-bindings/pinctrl/sppctl-sp7021.h b/include/dt-bindings/pinctrl/sppctl-sp7021.h
new file mode 100644
index 0000000..6721bd4
--- /dev/null
+++ b/include/dt-bindings/pinctrl/sppctl-sp7021.h
@@ -0,0 +1,173 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/* Sunplus SP7021 dt-bindings Pinctrl header file
+ * Copyright (C) Sunplus Tech/Tibbo Tech.
+ * Author: Dvorkin Dmitry <dvorkin@...bo.com>
+ */
+
+#ifndef	__DT_BINDINGS_PINCTRL_SPPCTL_SP7021_H__
+#define	__DT_BINDINGS_PINCTRL_SPPCTL_SP7021_H__
+
+#include <dt-bindings/pinctrl/sppctl.h>
+
+/* Please don't change the order of the
+ * following defines. They are based on
+ * order of control register define of
+ * MOON2 and MOON4 registers.
+ */
+#define MUXF_GPIO			0
+#define MUXF_IOP			1
+#define MUXF_L2SW_CLK_OUT		2
+#define MUXF_L2SW_MAC_SMI_MDC		3
+#define MUXF_L2SW_LED_FLASH0		4
+#define MUXF_L2SW_LED_FLASH1		5
+#define MUXF_L2SW_LED_ON0		6
+#define MUXF_L2SW_LED_ON1		7
+#define MUXF_L2SW_MAC_SMI_MDIO		8
+#define MUXF_L2SW_P0_MAC_RMII_TXEN	9
+#define MUXF_L2SW_P0_MAC_RMII_TXD0	10
+#define MUXF_L2SW_P0_MAC_RMII_TXD1	11
+#define MUXF_L2SW_P0_MAC_RMII_CRSDV	12
+#define MUXF_L2SW_P0_MAC_RMII_RXD0	13
+#define MUXF_L2SW_P0_MAC_RMII_RXD1	14
+#define MUXF_L2SW_P0_MAC_RMII_RXER	15
+#define MUXF_L2SW_P1_MAC_RMII_TXEN	16
+#define MUXF_L2SW_P1_MAC_RMII_TXD0	17
+#define MUXF_L2SW_P1_MAC_RMII_TXD1	18
+#define MUXF_L2SW_P1_MAC_RMII_CRSDV	19
+#define MUXF_L2SW_P1_MAC_RMII_RXD0	20
+#define MUXF_L2SW_P1_MAC_RMII_RXD1	21
+#define MUXF_L2SW_P1_MAC_RMII_RXER	22
+#define MUXF_DAISY_MODE			23
+#define MUXF_SDIO_CLK			24
+#define MUXF_SDIO_CMD			25
+#define MUXF_SDIO_D0			26
+#define MUXF_SDIO_D1			27
+#define MUXF_SDIO_D2			28
+#define MUXF_SDIO_D3			29
+#define MUXF_PWM0			30
+#define MUXF_PWM1			31
+#define MUXF_PWM2			32
+#define MUXF_PWM3			33
+#define MUXF_PWM4			34
+#define MUXF_PWM5			35
+#define MUXF_PWM6			36
+#define MUXF_PWM7			37
+#define MUXF_ICM0_D			38
+#define MUXF_ICM1_D			39
+#define MUXF_ICM2_D			40
+#define MUXF_ICM3_D			41
+#define MUXF_ICM0_CLK			42
+#define MUXF_ICM1_CLK			43
+#define MUXF_ICM2_CLK			44
+#define MUXF_ICM3_CLK			45
+#define MUXF_SPIM0_INT			46
+#define MUXF_SPIM0_CLK			47
+#define MUXF_SPIM0_EN			48
+#define MUXF_SPIM0_DO			49
+#define MUXF_SPIM0_DI			50
+#define MUXF_SPIM1_INT			51
+#define MUXF_SPIM1_CLK			52
+#define MUXF_SPIM1_EN			53
+#define MUXF_SPIM1_DO			54
+#define MUXF_SPIM1_DI			55
+#define MUXF_SPIM2_INT			56
+#define MUXF_SPIM2_CLK			57
+#define MUXF_SPIM2_EN			58
+#define MUXF_SPIM2_DO			59
+#define MUXF_SPIM2_DI			60
+#define MUXF_SPIM3_INT			61
+#define MUXF_SPIM3_CLK			62
+#define MUXF_SPIM3_EN			63
+#define MUXF_SPIM3_DO			64
+#define MUXF_SPIM3_DI			65
+#define MUXF_SPI0S_INT			66
+#define MUXF_SPI0S_CLK			67
+#define MUXF_SPI0S_EN			68
+#define MUXF_SPI0S_DO			69
+#define MUXF_SPI0S_DI			70
+#define MUXF_SPI1S_INT			71
+#define MUXF_SPI1S_CLK			72
+#define MUXF_SPI1S_EN			73
+#define MUXF_SPI1S_DO			74
+#define MUXF_SPI1S_DI			75
+#define MUXF_SPI2S_INT			76
+#define MUXF_SPI2S_CLK			77
+#define MUXF_SPI2S_EN			78
+#define MUXF_SPI2S_DO			79
+#define MUXF_SPI2S_DI			80
+#define MUXF_SPI3S_INT			81
+#define MUXF_SPI3S_CLK			82
+#define MUXF_SPI3S_EN			83
+#define MUXF_SPI3S_DO			84
+#define MUXF_SPI3S_DI			85
+#define MUXF_I2CM0_CLK			86
+#define MUXF_I2CM0_DAT			87
+#define MUXF_I2CM1_CLK			88
+#define MUXF_I2CM1_DAT			89
+#define MUXF_I2CM2_CLK			90
+#define MUXF_I2CM2_DAT			91
+#define MUXF_I2CM3_CLK			92
+#define MUXF_I2CM3_DAT			93
+#define MUXF_UA1_TX			94
+#define MUXF_UA1_RX			95
+#define MUXF_UA1_CTS			96
+#define MUXF_UA1_RTS			97
+#define MUXF_UA2_TX			98
+#define MUXF_UA2_RX			99
+#define MUXF_UA2_CTS			100
+#define MUXF_UA2_RTS			101
+#define MUXF_UA3_TX			102
+#define MUXF_UA3_RX			103
+#define MUXF_UA3_CTS			104
+#define MUXF_UA3_RTS			105
+#define MUXF_UA4_TX			106
+#define MUXF_UA4_RX			107
+#define MUXF_UA4_CTS			108
+#define MUXF_UA4_RTS			109
+#define MUXF_TIMER0_INT			110
+#define MUXF_TIMER1_INT			111
+#define MUXF_TIMER2_INT			112
+#define MUXF_TIMER3_INT			113
+#define MUXF_GPIO_INT0			114
+#define MUXF_GPIO_INT1			115
+#define MUXF_GPIO_INT2			116
+#define MUXF_GPIO_INT3			117
+#define MUXF_GPIO_INT4			118
+#define MUXF_GPIO_INT5			119
+#define MUXF_GPIO_INT6			120
+#define MUXF_GPIO_INT7			121
+
+#define GROP_SPI_FLASH			122
+#define GROP_SPI_FLASH_4BIT		123
+#define GROP_SPI_NAND			124
+#define GROP_CARD0_EMMC			125
+#define GROP_SD_CARD			126
+#define GROP_UA0			127
+#define GROP_ACHIP_DEBUG		128
+#define GROP_ACHIP_UA2AXI		129
+#define GROP_FPGA_IFX			130
+#define GROP_HDMI_TX			131
+#define GROP_AUD_EXT_ADC_IFX0		132
+#define GROP_AUD_EXT_DAC_IFX0		133
+#define GROP_SPDIF_RX			134
+#define GROP_SPDIF_TX			135
+#define GROP_TDMTX_IFX0			136
+#define GROP_TDMRX_IFX0			137
+#define GROP_PDMRX_IFX0			138
+#define GROP_PCM_IEC_TX			139
+#define GROP_LCDIF			140
+#define GROP_DVD_DSP_DEBUG		141
+#define GROP_I2C_DEBUG			142
+#define GROP_I2C_SLAVE			143
+#define GROP_WAKEUP			144
+#define GROP_UART2AXI			145
+#define GROP_USB0_I2C			146
+#define GROP_USB1_I2C			147
+#define GROP_USB0_OTG			148
+#define GROP_USB1_OTG			149
+#define GROP_UPHY0_DEBUG		150
+#define GROP_UPHY1_DEBUG		151
+#define GROP_UPHY0_EXT			152
+#define GROP_PROBE_PORT			153
+
+#endif
diff --git a/include/dt-bindings/pinctrl/sppctl.h b/include/dt-bindings/pinctrl/sppctl.h
new file mode 100644
index 0000000..8b8ec66
--- /dev/null
+++ b/include/dt-bindings/pinctrl/sppctl.h
@@ -0,0 +1,40 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/* Sunplus dt-bindings Pinctrl header file
+ * Copyright (C) Sunplus Tech/Tibbo Tech.
+ * Author: Dvorkin Dmitry <dvorkin@...bo.com>
+ */
+
+#ifndef __DT_BINDINGS_PINCTRL_SPPCTL_H__
+#define __DT_BINDINGS_PINCTRL_SPPCTL_H__
+
+#define IOP_G_MASTE		(0x01 << 0)
+#define IOP_G_FIRST		(0x01 << 1)
+
+#define SPPCTL_PCTL_G_PMUX	(0x00        | IOP_G_MASTE)
+#define SPPCTL_PCTL_G_GPIO	(IOP_G_FIRST | IOP_G_MASTE)
+#define SPPCTL_PCTL_G_IOPP	(IOP_G_FIRST | 0x00)
+
+#define SPPCTL_PCTL_L_OUT	(0x01 << 0)	/* Output LOW        */
+#define SPPCTL_PCTL_L_OU1	(0x01 << 1)	/* Output HIGH       */
+#define SPPCTL_PCTL_L_INV	(0x01 << 2)	/* Input Invert      */
+#define SPPCTL_PCTL_L_ONV	(0x01 << 3)	/* Output Invert     */
+#define SPPCTL_PCTL_L_ODR	(0x01 << 4)	/* Output Open Drain */
+
+#define SPPCTL_PCTLE_P(v)	((v) << 24)
+#define SPPCTL_PCTLE_G(v)	((v) << 16)
+#define SPPCTL_PCTLE_F(v)	((v) << 8)
+#define SPPCTL_PCTLE_L(v)	((v) << 0)
+
+#define SPPCTL_PCTLD_P(v)	(((v) >> 24) & 0xff)
+#define SPPCTL_PCTLD_G(v)	(((v) >> 16) & 0xff)
+#define SPPCTL_PCTLD_F(v)	(((v) >>  8) & 0xff)
+#define SPPCTL_PCTLD_L(v)	(((v) >>  0) & 0xff)
+
+/*
+ * pack into 32-bit value:
+ * pin#(8bit), typ(8bit), function(8bit), flag(8bit)
+ */
+#define SPPCTL_IOPAD(pin, typ, fun, flg)	(((pin) << 24) | ((typ) << 16) | \
+						((fun) << 8) | (flg))
+
+#endif
-- 
2.7.4

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