Add support for upstream linux clock and map U-Boot property to the one use in upstream linux where supported.
Also add handling for the use_internal_cd that on upstream is hardcoded enabled on mt7620.
Signed-off-by: Christian Marangi ansuelsmth@gmail.com --- drivers/mmc/mtk-sd.c | 35 +++++++++++++++++++++++++++++++---- 1 file changed, 31 insertions(+), 4 deletions(-)
diff --git a/drivers/mmc/mtk-sd.c b/drivers/mmc/mtk-sd.c index 3a9258255a7..ebd72178b59 100644 --- a/drivers/mmc/mtk-sd.c +++ b/drivers/mmc/mtk-sd.c @@ -335,6 +335,7 @@ struct msdc_compatible { bool enhance_rx; bool builtin_pad_ctrl; bool default_pad_dly; + bool use_internal_cd; };
struct msdc_delay_phase { @@ -365,6 +366,10 @@ struct msdc_host { struct clk src_clk_cg; /* optional, MSDC source clock control gate */ struct clk h_clk; /* MSDC core clock */
+ /* upstream linux clock */ + struct clk axi_cg_clk; /* optional, AXI clock */ + struct clk ahb_cg_clk; /* optional, AHB clock */ + u32 src_clk_freq; /* source clock */ u32 mclk; /* mmc framework required bus clock */ u32 sclk; /* actual calculated bus clock */ @@ -1637,6 +1642,11 @@ static void msdc_ungate_clock(struct msdc_host *host) clk_enable(&host->h_clk); if (host->src_clk_cg.dev) clk_enable(&host->src_clk_cg); + + if (host->axi_cg_clk.dev) + clk_enable(&host->axi_cg_clk); + if (host->ahb_cg_clk.dev) + clk_enable(&host->ahb_cg_clk); }
static int msdc_drv_probe(struct udevice *dev) @@ -1650,6 +1660,9 @@ static int msdc_drv_probe(struct udevice *dev)
host->dev_comp = (struct msdc_compatible *)dev_get_driver_data(dev);
+ if (host->dev_comp->use_internal_cd) + host->builtin_cd = 1; + host->src_clk_freq = clk_get_rate(&host->src_clk);
if (host->dev_comp->clk_div_bits == 8) @@ -1715,18 +1728,31 @@ static int msdc_of_to_plat(struct udevice *dev)
clk_get_by_name(dev, "source_cg", &host->src_clk_cg); /* optional */
+ /* upstream linux clock */ + clk_get_by_name(dev, "axi_cg", &host->axi_cg_clk); /* optional */ + clk_get_by_name(dev, "ahb_cg", &host->ahb_cg_clk); /* 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
host->hs400_ds_delay = dev_read_u32_default(dev, "hs400-ds-delay", 0); - host->hs200_cmd_int_delay = - dev_read_u32_default(dev, "cmd_int_delay", 0); + if (dev_read_u32(dev, "mediatek,hs200-cmd-int-delay", + &host->hs200_cmd_int_delay)) + host->hs200_cmd_int_delay = + dev_read_u32_default(dev, "cmd_int_delay", 0); + host->hs200_write_int_delay = dev_read_u32_default(dev, "write_int_delay", 0); - host->latch_ck = dev_read_u32_default(dev, "latch-ck", 0); + + if (dev_read_u32(dev, "mediatek,latch-ck", &host->latch_ck)) + host->latch_ck = dev_read_u32_default(dev, "latch-ck", 0); + host->r_smpl = dev_read_u32_default(dev, "r_smpl", 0); + if (dev_read_bool(dev, "mediatek,hs400-cmd-resp-sel-rising")) + host->r_smpl = 1; + host->builtin_cd = dev_read_u32_default(dev, "builtin-cd", 0); host->cd_active_high = dev_read_bool(dev, "cd-active-high");
@@ -1775,6 +1801,7 @@ static const struct msdc_compatible mt7620_compat = { .enhance_rx = false, .builtin_pad_ctrl = true, .default_pad_dly = true, + .use_internal_cd = true, };
static const struct msdc_compatible mt7621_compat = { @@ -1805,7 +1832,7 @@ static const struct msdc_compatible mt7623_compat = { .data_tune = true, .busy_check = false, .stop_clk_fix = false, - .enhance_rx = false + .enhance_rx = false, };
static const struct msdc_compatible mt7986_compat = {