platforms/83xx/mpc832x_rdb.c

1 // SPDX-License-Identifier: GPL-2.0-or-later
15 #include <linux/spi/spi.h>
16 #include <linux/spi/mmc_spi.h>
17 #include <linux/mmc/host.h>
69 		prop = of_get_property(np, "cell-index", NULL);  in of_fsl_spi_probe()
74 		if (prop && !strcmp(prop, "cpu-qe"))  in of_fsl_spi_probe()
124 			       void (*cs_control)(struct spi_device *spi,  in fsl_spi_init()  argument
127 	u32 sysclk = -1;  in fsl_spi_init()
130 	/* SPI controller is either clocked from QE or SoC clock */  in fsl_spi_init()
132 	if (sysclk == -1) {  in fsl_spi_init()
134 		if (sysclk == -1)  in fsl_spi_init()
135 			return -ENODEV;  in fsl_spi_init()
138 	ret = of_fsl_spi_probe(NULL, "fsl,spi", sysclk, board_infos,  in fsl_spi_init()
141 		of_fsl_spi_probe("spi", "fsl_spi", sysclk, board_infos,  in fsl_spi_init()
147 static void mpc83xx_spi_cs_control(struct spi_device *spi, bool on)  in mpc83xx_spi_cs_control()  argument
149 	pr_debug("%s %d %d\n", __func__, spi_get_chipselect(spi, 0), on);  in mpc83xx_spi_cs_control()
180 	 * mmc-spi-slot node.  in mpc832x_spi_init()
182 	np = of_find_compatible_node(NULL, NULL, "mmc-spi-slot");  in mpc832x_spi_init()