mirror of
https://github.com/coolsnowwolf/lede.git
synced 2025-07-25 20:37:02 +08:00
50 lines
1.5 KiB
Diff
50 lines
1.5 KiB
Diff
From 1d08efe86fd6756ba2b114ad2a256bea2d0e9b9e Mon Sep 17 00:00:00 2001
|
|
From: Jonas Karlman <jonas@kwiboo.se>
|
|
Date: Thu, 23 Jan 2025 22:48:19 +0000
|
|
Subject: [PATCH 7/9] 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 <jonas@kwiboo.se>
|
|
---
|
|
drivers/mmc/rockchip_sdhci.c | 15 +++++++++++++++
|
|
1 file changed, 15 insertions(+)
|
|
|
|
--- a/drivers/mmc/rockchip_sdhci.c
|
|
+++ b/drivers/mmc/rockchip_sdhci.c
|
|
@@ -650,6 +650,17 @@ static const struct sdhci_data rk3399_da
|
|
.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,
|
|
@@ -679,6 +690,10 @@ static const struct udevice_id sdhci_ids
|
|
.data = (ulong)&rk3399_data,
|
|
},
|
|
{
|
|
+ .compatible = "rockchip,rk3528-dwcmshc",
|
|
+ .data = (ulong)&rk3528_data,
|
|
+ },
|
|
+ {
|
|
.compatible = "rockchip,rk3568-dwcmshc",
|
|
.data = (ulong)&rk3568_data,
|
|
},
|