Lines Matching full:ebi
3 * EBI driver for Atmel chips
30 struct atmel_ebi *ebi; member
82 atmel_smc_cs_conf_get(ebid->ebi->smc.regmap, conf->cs, in at91sam9_ebi_get_config()
89 atmel_hsmc_cs_conf_get(ebid->ebi->smc.regmap, ebid->ebi->smc.layout, in sama5_ebi_get_config()
114 unsigned int clk_rate = clk_get_rate(ebid->ebi->clk); in atmel_ebi_xslate_smc_timings()
162 dev_err(ebid->ebi->dev, in atmel_ebi_xslate_smc_timings()
274 dev_err(ebid->ebi->dev, "missing atmel,smc- properties in %pOF", in atmel_ebi_xslate_smc_config()
285 atmel_smc_cs_conf_apply(ebid->ebi->smc.regmap, conf->cs, in at91sam9_ebi_apply_config()
292 atmel_hsmc_cs_conf_apply(ebid->ebi->smc.regmap, ebid->ebi->smc.layout, in sama5_ebi_apply_config()
296 static int atmel_ebi_dev_setup(struct atmel_ebi *ebi, struct device_node *np, in atmel_ebi_dev_setup() argument
299 const struct atmel_ebi_caps *caps = ebi->caps; in atmel_ebi_dev_setup()
301 struct device *dev = ebi->dev; in atmel_ebi_dev_setup()
317 !(ebi->caps->available_cs & BIT(cs))) { in atmel_ebi_dev_setup()
331 ebid = devm_kzalloc(ebi->dev, struct_size(ebid, configs, numcs), in atmel_ebi_dev_setup()
336 ebid->ebi = ebi; in atmel_ebi_dev_setup()
357 * Attach the EBI device to the generic SMC logic if at least in atmel_ebi_dev_setup()
360 if (ebi->caps->ebi_csa_offs && apply) in atmel_ebi_dev_setup()
361 regmap_update_bits(ebi->regmap, in atmel_ebi_dev_setup()
362 ebi->caps->ebi_csa_offs, in atmel_ebi_dev_setup()
368 list_add_tail(&ebid->node, &ebi->devs); in atmel_ebi_dev_setup()
454 .compatible = "atmel,at91sam9260-ebi",
458 .compatible = "atmel,at91sam9261-ebi",
470 .compatible = "atmel,at91sam9rl-ebi",
474 .compatible = "atmel,at91sam9g45-ebi",
478 .compatible = "atmel,at91sam9x5-ebi",
482 .compatible = "atmel,sama5d3-ebi",
486 .compatible = "microchip,sam9x60-ebi",
492 static int atmel_ebi_dev_disable(struct atmel_ebi *ebi, struct device_node *np) in atmel_ebi_dev_disable() argument
494 struct device *dev = ebi->dev; in atmel_ebi_dev_disable()
519 struct atmel_ebi *ebi; in atmel_ebi_probe() local
528 ebi = devm_kzalloc(dev, sizeof(*ebi), GFP_KERNEL); in atmel_ebi_probe()
529 if (!ebi) in atmel_ebi_probe()
532 platform_set_drvdata(pdev, ebi); in atmel_ebi_probe()
534 INIT_LIST_HEAD(&ebi->devs); in atmel_ebi_probe()
535 ebi->caps = match->data; in atmel_ebi_probe()
536 ebi->dev = dev; in atmel_ebi_probe()
542 ebi->clk = clk; in atmel_ebi_probe()
546 ebi->smc.regmap = syscon_node_to_regmap(smc_np); in atmel_ebi_probe()
547 if (IS_ERR(ebi->smc.regmap)) { in atmel_ebi_probe()
548 ret = PTR_ERR(ebi->smc.regmap); in atmel_ebi_probe()
552 ebi->smc.layout = atmel_hsmc_get_reg_layout(smc_np); in atmel_ebi_probe()
553 if (IS_ERR(ebi->smc.layout)) { in atmel_ebi_probe()
554 ret = PTR_ERR(ebi->smc.layout); in atmel_ebi_probe()
558 ebi->smc.clk = of_clk_get(smc_np, 0); in atmel_ebi_probe()
559 if (IS_ERR(ebi->smc.clk)) { in atmel_ebi_probe()
560 if (PTR_ERR(ebi->smc.clk) != -ENOENT) { in atmel_ebi_probe()
561 ret = PTR_ERR(ebi->smc.clk); in atmel_ebi_probe()
565 ebi->smc.clk = NULL; in atmel_ebi_probe()
568 ret = clk_prepare_enable(ebi->smc.clk); in atmel_ebi_probe()
576 if (ebi->caps->ebi_csa_offs) { in atmel_ebi_probe()
577 ebi->regmap = in atmel_ebi_probe()
579 ebi->caps->regmap_name); in atmel_ebi_probe()
580 if (IS_ERR(ebi->regmap)) in atmel_ebi_probe()
581 return PTR_ERR(ebi->regmap); in atmel_ebi_probe()
604 ret = atmel_ebi_dev_setup(ebi, child, reg_cells); in atmel_ebi_probe()
606 dev_err(dev, "failed to configure EBI bus for %pOF, disabling the device", in atmel_ebi_probe()
609 ret = atmel_ebi_dev_disable(ebi, child); in atmel_ebi_probe()
626 struct atmel_ebi *ebi = dev_get_drvdata(dev); in atmel_ebi_resume() local
629 list_for_each_entry(ebid, &ebi->devs, node) { in atmel_ebi_resume()
633 ebid->ebi->caps->apply_config(ebid, &ebid->configs[i]); in atmel_ebi_resume()
643 .name = "atmel-ebi",