diff --git a/sound/soc/loongson/loongson_i2s_plat.c b/sound/soc/loongson/loongson_i2s_plat.c index ac054b6ce632..82d95c6644ef 100644 --- a/sound/soc/loongson/loongson_i2s_plat.c +++ b/sound/soc/loongson/loongson_i2s_plat.c @@ -2,7 +2,7 @@ // // Loongson I2S controller master mode dirver(platform device) // -// Copyright (C) 2023-2024 Loongson Technology Corporation Limited +// Copyright (C) 2023-2026 Loongson Technology Corporation Limited // // Author: Yingkun Meng // Binbin Zhou @@ -21,6 +21,7 @@ #include "loongson_i2s.h" #include "loongson_dma.h" +/* Loongson-2K1000 APBDMA routing */ #define LOONGSON_I2S_RX_DMA_OFFSET 21 #define LOONGSON_I2S_TX_DMA_OFFSET 18 @@ -30,6 +31,11 @@ #define LOONGSON_DMA3_CONF 0x3 #define LOONGSON_DMA4_CONF 0x4 +struct loongson_i2s_plat_config { + int rev_id; + int (*i2s_dma_config)(struct platform_device *pdev); +}; + static int loongson_i2s_apbdma_config(struct platform_device *pdev) { int val; @@ -47,8 +53,18 @@ static int loongson_i2s_apbdma_config(struct platform_device *pdev) return 0; } +static const struct loongson_i2s_plat_config ls2k0300_i2s_plat_config = { + .rev_id = 1, +}; + +static const struct loongson_i2s_plat_config ls2k1000_i2s_plat_config = { + .rev_id = 0, + .i2s_dma_config = loongson_i2s_apbdma_config, +}; + static int loongson_i2s_plat_probe(struct platform_device *pdev) { + const struct loongson_i2s_plat_config *plat_config; struct device *dev = &pdev->dev; struct loongson_i2s *i2s; struct resource *res; @@ -59,12 +75,17 @@ static int loongson_i2s_plat_probe(struct platform_device *pdev) if (!i2s) return -ENOMEM; - ret = loongson_i2s_apbdma_config(pdev); - if (ret) - return ret; + plat_config = device_get_match_data(dev); + if (!plat_config) + return -EINVAL; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - i2s->reg_base = devm_ioremap_resource(&pdev->dev, res); + if (plat_config->i2s_dma_config) { + ret = plat_config->i2s_dma_config(pdev); + if (ret) + return ret; + } + + i2s->reg_base = devm_platform_get_and_ioremap_resource(pdev, 0, &res); if (IS_ERR(i2s->reg_base)) return dev_err_probe(dev, PTR_ERR(i2s->reg_base), "devm_ioremap_resource failed\n"); @@ -87,11 +108,17 @@ static int loongson_i2s_plat_probe(struct platform_device *pdev) if (IS_ERR(i2s_clk)) return dev_err_probe(dev, PTR_ERR(i2s_clk), "clock property invalid\n"); i2s->clk_rate = clk_get_rate(i2s_clk); + i2s->rev_id = plat_config->rev_id; dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64)); dev_set_name(dev, LS_I2S_DRVNAME); dev_set_drvdata(dev, i2s); + if (i2s->rev_id == 1) { + regmap_update_bits(i2s->regmap, LS_I2S_CTRL, I2S_CTRL_RESET, I2S_CTRL_RESET); + fsleep(200); + } + ret = devm_snd_soc_register_component(dev, &loongson_i2s_edma_component, &loongson_i2s_dai, 1); if (ret) @@ -102,7 +129,8 @@ static int loongson_i2s_plat_probe(struct platform_device *pdev) } static const struct of_device_id loongson_i2s_ids[] = { - { .compatible = "loongson,ls2k1000-i2s" }, + { .compatible = "loongson,ls2k0300-i2s", .data = &ls2k0300_i2s_plat_config }, + { .compatible = "loongson,ls2k1000-i2s", .data = &ls2k1000_i2s_plat_config }, { /* sentinel */ }, }; MODULE_DEVICE_TABLE(of, loongson_i2s_ids);