/* SPDX-License-Identifier: GPL-2.0 */ /* * Copyright (C) 2009 Samsung Electronics Ltd. * Jaswinder Singh <jassi.brar@samsung.com> */ #ifndef __SPI_S3C64XX_H #define __SPI_S3C64XX_H #include <linux/dmaengine.h> struct platform_device; /** * struct s3c64xx_spi_csinfo - ChipSelect description * @fb_delay: Slave specific feedback delay. * Refer to FB_CLK_SEL register definition in SPI chapter. * @line: Custom 'identity' of the CS line. * * This is per SPI-Slave Chipselect information. * Allocate and initialize one in machine init code and make the * spi_board_info.controller_data point to it. */ struct s3c64xx_spi_csinfo { u8 fb_delay; unsigned line; }; /** * struct s3c64xx_spi_info - SPI Controller defining structure * @src_clk_nr: Clock source index for the CLK_CFG[SPI_CLKSEL] field. * @num_cs: Number of CS this controller emulates. * @cfg_gpio: Configure pins for this SPI controller. */ struct s3c64xx_spi_info { int src_clk_nr; int num_cs; bool no_cs; int (*cfg_gpio)(void); }; /** * s3c64xx_spi_set_platdata - SPI Controller configure callback by the board * initialization code. * @cfg_gpio: Pointer to gpio setup function. * @src_clk_nr: Clock the SPI controller is to use to generate SPI clocks. * @num_cs: Number of elements in the 'cs' array. * * Call this from machine init code for each SPI Controller that * has some chips attached to it. */ extern void s3c64xx_spi0_set_platdata(int (*cfg_gpio)(void), int src_clk_nr, int num_cs); extern void s3c64xx_spi1_set_platdata(int (*cfg_gpio)(void), int src_clk_nr, int num_cs); extern void s3c64xx_spi2_set_platdata(int (*cfg_gpio)(void), int src_clk_nr, int num_cs); /* defined by architecture to configure gpio */ extern int s3c64xx_spi0_cfg_gpio(void); extern int s3c64xx_spi1_cfg_gpio(void); extern int s3c64xx_spi2_cfg_gpio(void); extern struct s3c64xx_spi_info s3c64xx_spi0_pdata; extern struct s3c64xx_spi_info s3c64xx_spi1_pdata; extern struct s3c64xx_spi_info s3c64xx_spi2_pdata; #endif /*__SPI_S3C64XX_H */Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Jassi Brar | 69 | 45.70% | 5 | 29.41% |
| Padmavathi Venna | 40 | 26.49% | 3 | 17.65% |
| Thomas Abraham | 28 | 18.54% | 4 | 23.53% |
| Andi Shyti | 5 | 3.31% | 2 | 11.76% |
| Arnd Bergmann | 3 | 1.99% | 1 | 5.88% |
| Sachin Kamat | 3 | 1.99% | 1 | 5.88% |
| Mark Brown | 3 | 1.99% | 1 | 5.88% |
| Total | 151 | 100.00% | 17 | 100.00% |