Re: [PATCH v2 2/3] dt-bindings: pinctrl: Add dt-bindings for Sunplus SP7021

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On Mon, Nov 01, 2021 at 04:11:16PM +0800, Wells Lu wrote:
> Add dt-bindings header files for Sunplus SP7021 SoC.
> 
> Signed-off-by: Wells Lu <wells.lu@xxxxxxxxxxx>
> ---
> Changes in v2:
>  - Added more 'defines' in dt-bindings header files (forgot to add in v1).
> 
>  MAINTAINERS                                 |   1 +
>  include/dt-bindings/pinctrl/sppctl-sp7021.h | 171 ++++++++++++++++++++++++++++
>  include/dt-bindings/pinctrl/sppctl.h        |  40 +++++++
>  3 files changed, 212 insertions(+)
>  create mode 100644 include/dt-bindings/pinctrl/sppctl-sp7021.h
>  create mode 100644 include/dt-bindings/pinctrl/sppctl.h
> 
> diff --git a/MAINTAINERS b/MAINTAINERS
> index fd82c77..da6378f 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -14873,6 +14873,7 @@ L:	linux-arm-kernel@xxxxxxxxxxxxxxxxxxx (moderated for non-subscribers)
>  S:	Maintained
>  W:	https://sunplus-tibbo.atlassian.net/wiki/spaces/doc/overview
>  F:	drivers/pinctrl/sunplus/
> +F:	include/dt-bindings/pinctrl/sppctl*
>  
>  PKTCDVD DRIVER
>  M:	linux-block@xxxxxxxxxxxxxxx
> diff --git a/include/dt-bindings/pinctrl/sppctl-sp7021.h b/include/dt-bindings/pinctrl/sppctl-sp7021.h
> new file mode 100644
> index 0000000..4e07d03
> --- /dev/null
> +++ b/include/dt-bindings/pinctrl/sppctl-sp7021.h
> @@ -0,0 +1,171 @@
> +/* SPDX-License-Identifier: GPL-2.0 */

Care about OS other than Linux? Should be dual licensed.

> +/*
> + * SP7021 pinmux pinctrl bindings.
> + * Copyright (C) Sunplus Tech/Tibbo Tech. 2020
> + * Author: Dvorkin Dmitry <dvorkin@xxxxxxxxx>
> + */
> +
> +#ifndef _DT_BINDINGS_PINCTRL_SPPCTL_SP7021_H
> +#define _DT_BINDINGS_PINCTRL_SPPCTL_SP7021_H
> +
> +#include <dt-bindings/pinctrl/sppctl.h>
> +
> +#define MUXF_GPIO                       0

Where do these numbers come from? Hopefully they correspond to register 
offsets and aren't made up. A comment either way here would help.

> +#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
> +#define GROP_ANA_I2C_IF                 154
> +#define GROP_ANA_TEST_IF                155
> +
> +#endif
> diff --git a/include/dt-bindings/pinctrl/sppctl.h b/include/dt-bindings/pinctrl/sppctl.h
> new file mode 100644
> index 0000000..3e82989
> --- /dev/null
> +++ b/include/dt-bindings/pinctrl/sppctl.h
> @@ -0,0 +1,40 @@
> +/* SPDX-License-Identifier: GPL-2.0 */
> +/*
> + * SP7021 pinmux pinctrl bindings.
> + * Copyright (C) Sunplus Tech/Tibbo Tech. 2020
> + * Author: Dvorkin Dmitry <dvorkin@xxxxxxxxx>
> + */
> +
> +#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)
> +#define SPPCTL_PCTL_L_OU1       (0x01<<1)
> +#define SPPCTL_PCTL_L_INV       (0x01<<2)
> +#define SPPCTL_PCTL_L_ONV       (0x01<<3)
> +#define SPPCTL_PCTL_L_ODR       (0x01<<4)
> +
> +#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}, flags{8bit}
> + */
> +#define SPPCTL_IOPAD(pin, typ, fun, fls) (((pin)<<24)|((typ)<<16)|((fun)<<8)|(fls))
> +
> +#endif
> -- 
> 2.7.4
> 
>
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