diff options
Diffstat (limited to 'drivers/mmc/mtk-sd.c')
| -rw-r--r-- | drivers/mmc/mtk-sd.c | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/drivers/mmc/mtk-sd.c b/drivers/mmc/mtk-sd.c index d3f0778368..e0ac3e9d69 100644 --- a/drivers/mmc/mtk-sd.c +++ b/drivers/mmc/mtk-sd.c @@ -247,6 +247,7 @@ struct msdc_host { struct msdc_compatible *dev_comp; struct clk src_clk; /* for SD/MMC bus clock */ + struct clk src_clk_cg; /* optional, MSDC source clock control gate */ struct clk h_clk; /* MSDC core clock */ u32 src_clk_freq; /* source clock */ @@ -269,7 +270,7 @@ struct msdc_host { bool builtin_cd; /* card detection / write protection GPIOs */ -#if IS_ENABLED(DM_GPIO) +#if CONFIG_IS_ENABLED(DM_GPIO) struct gpio_desc gpio_wp; struct gpio_desc gpio_cd; #endif @@ -849,7 +850,7 @@ static int msdc_ops_get_cd(struct udevice *dev) return !(val & MSDC_PS_CDSTS); } -#if IS_ENABLED(DM_GPIO) +#if CONFIG_IS_ENABLED(DM_GPIO) if (!host->gpio_cd.dev) return 1; @@ -861,7 +862,7 @@ static int msdc_ops_get_cd(struct udevice *dev) static int msdc_ops_get_wp(struct udevice *dev) { -#if IS_ENABLED(DM_GPIO) +#if CONFIG_IS_ENABLED(DM_GPIO) struct msdc_host *host = dev_get_priv(dev); if (!host->gpio_wp.dev) @@ -1269,6 +1270,8 @@ static void msdc_ungate_clock(struct msdc_host *host) { clk_enable(&host->src_clk); clk_enable(&host->h_clk); + if (host->src_clk_cg.dev) + clk_enable(&host->src_clk_cg); } static int msdc_drv_probe(struct udevice *dev) @@ -1332,7 +1335,9 @@ static int msdc_ofdata_to_platdata(struct udevice *dev) if (ret < 0) return ret; -#if IS_ENABLED(DM_GPIO) + clk_get_by_name(dev, "source_cg", &host->src_clk_cg); /* optional */ + +#if CONFIG_IS_ENABLED(DM_GPIO) gpio_request_by_name(dev, "wp-gpios", 0, &host->gpio_wp, GPIOD_IS_IN); gpio_request_by_name(dev, "cd-gpios", 0, &host->gpio_cd, GPIOD_IS_IN); #endif @@ -1376,8 +1381,18 @@ static const struct msdc_compatible mt7623_compat = { .enhance_rx = false }; +static const struct msdc_compatible mt8516_compat = { + .clk_div_bits = 12, + .pad_tune0 = true, + .async_fifo = true, + .data_tune = true, + .busy_check = true, + .stop_clk_fix = true, +}; + static const struct udevice_id msdc_ids[] = { { .compatible = "mediatek,mt7623-mmc", .data = (ulong)&mt7623_compat }, + { .compatible = "mediatek,mt8516-mmc", .data = (ulong)&mt8516_compat }, {} }; |