From: Jonas Karlman Date: Mon, 7 Apr 2025 22:46:54 +0000 (+0000) Subject: mmc: rockchip_sdhci: Add initial support for RK3528 X-Git-Tag: v2025.07-rc1~33^2~26 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9de20c1243056f9c943809546e15ecf4fafa6bb6;p=pandora-u-boot.git mmc: rockchip_sdhci: Add initial support for RK3528 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 Reviewed-by: Kever Yang --- diff --git a/drivers/mmc/rockchip_sdhci.c b/drivers/mmc/rockchip_sdhci.c index 4968404bfae..2c54b8a942d 100644 --- a/drivers/mmc/rockchip_sdhci.c +++ b/drivers/mmc/rockchip_sdhci.c @@ -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,