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mmc: rockchip_sdhci: Add initial support for RK3528

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Add initial support for SDHCI controller in RK3528.

Only MMC Legacy and MMC High Speed (52MHz) mode is supported after this,
more work is needed to get the faster HS200/HS400/HS400ES modes working.

Variant tap and delay num is copied from vendor Linux tag
linux-6.1-stan-rkr5.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
This commit is contained in:
Jonas Karlman
2025-04-07 22:46:54 +00:00
committed by Simon Glass
parent 1906270115
commit 2c659a1202
1 changed files with 15 additions and 0 deletions
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15
drivers/mmc/rockchip_sdhci.c
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@@ -650,6 +650,17 @@ static const struct sdhci_data rk3399_data = {
.set_enhanced_strobe = rk3399_sdhci_set_enhanced_strobe,
};
static const struct sdhci_data rk3528_data = {
.set_ios_post = rk3568_sdhci_set_ios_post,
.set_clock = rk3568_sdhci_set_clock,
.config_dll = rk3568_sdhci_config_dll,
.hs200_txclk_tapnum = 0xc,
.hs400_txclk_tapnum = 0x6,
.hs400_cmdout_tapnum = 0x6,
.hs400_strbin_tapnum = 0x3,
.ddr50_strbin_delay_num = 0xa,
};
static const struct sdhci_data rk3568_data = {
.set_ios_post = rk3568_sdhci_set_ios_post,
.set_clock = rk3568_sdhci_set_clock,
@@ -678,6 +689,10 @@ static const struct udevice_id sdhci_ids[] = {
.compatible = "arasan,sdhci-5.1",
.data = (ulong)&rk3399_data,
},
{
.compatible = "rockchip,rk3528-dwcmshc",
.data = (ulong)&rk3528_data,
},
{
.compatible = "rockchip,rk3568-dwcmshc",
.data = (ulong)&rk3568_data,