15 #include <linux/mfd/syscon.h>
52 	struct regmap       *syscon;  member
112 	dwsmscc->syscon = syscon_regmap_lookup_by_compatible(cpu_syscon);  in dw_spi_mscc_init()
113 	if (IS_ERR(dwsmscc->syscon))  in dw_spi_mscc_init()
114 		return PTR_ERR(dwsmscc->syscon);  in dw_spi_mscc_init()
120 	regmap_update_bits(dwsmscc->syscon, MSCC_CPU_SYSTEM_CTRL_GENERAL_CTRL,  in dw_spi_mscc_init()
133 	return dw_spi_mscc_init(pdev, dwsmmio, "mscc,ocelot-cpu-syscon",  in dw_spi_mscc_ocelot_init()
140 	return dw_spi_mscc_init(pdev, dwsmmio, "mscc,jaguar2-cpu-syscon",  in dw_spi_mscc_jaguar2_init()
159 		regmap_write(dwsmscc->syscon, SPARX5_FORCE_ENA, 1);  in dw_spi_sparx5_set_cs()
161 		regmap_write(dwsmscc->syscon, SPARX5_FORCE_VAL, ~BIT(cs));  in dw_spi_sparx5_set_cs()
166 		regmap_write(dwsmscc->syscon, SPARX5_FORCE_VAL, ~0);  in dw_spi_sparx5_set_cs()
170 		regmap_write(dwsmscc->syscon, SPARX5_FORCE_ENA, 0);  in dw_spi_sparx5_set_cs()
179 	const char *syscon_name = "microchip,sparx5-cpu-syscon";  in dw_spi_mscc_sparx5_init()
192 	dwsmscc->syscon =  in dw_spi_mscc_sparx5_init()
194 	if (IS_ERR(dwsmscc->syscon)) {  in dw_spi_mscc_sparx5_init()
195 		dev_err(dev, "No syscon map %s\n", syscon_name);  in dw_spi_mscc_sparx5_init()
196 		return PTR_ERR(dwsmscc->syscon);  in dw_spi_mscc_sparx5_init()
272 static void dw_spi_elba_override_cs(struct regmap *syscon, int cs, int enable)  in dw_spi_elba_override_cs()  argument
274 	regmap_update_bits(syscon, ELBA_SPICS_REG, ELBA_SPICS_MASK(cs),  in dw_spi_elba_override_cs()
282 	struct regmap *syscon = dwsmmio->priv;  in dw_spi_elba_set_cs()  local
287 		dw_spi_elba_override_cs(syscon, spi_get_chipselect(spi, 0), enable);  in dw_spi_elba_set_cs()
301 	struct regmap *syscon;  in dw_spi_elba_init()  local
303 	syscon = syscon_regmap_lookup_by_phandle(dev_of_node(&pdev->dev),  in dw_spi_elba_init()
304 						 "amd,pensando-elba-syscon");  in dw_spi_elba_init()
305 	if (IS_ERR(syscon))  in dw_spi_elba_init()
306 		return dev_err_probe(&pdev->dev, PTR_ERR(syscon),  in dw_spi_elba_init()
307 				     "syscon regmap lookup failed\n");  in dw_spi_elba_init()
309 	dwsmmio->priv = syscon;  in dw_spi_elba_init()