[PATCH v3 09/15] mmc: rockchip_sdhci: Add support for RK3576

[Kever Yang]

On 2025/4/16 05:51, Heiko Stuebner wrote:
> Add support for RK3576 to the rockchip sdhci driver.
>
> It's pretty similar to its cousins found in the RK3568 and RK3588 and the
> specific hs400-tx-tap number was taken from the vendor-u-boot.
>
> Signed-off-by: Heiko Stuebner <heiko at sntech.de>
> Reviewed-by: Jaehoon Chung <jh80.chung at samsung.com>
> Reviewed-by: Jonas Karlman <jonas at kwiboo.se>

Reviewed-by: Kever Yang <kever.yang at rock-chips.com>

Thanks,
- Kever
> ---
>   drivers/mmc/rockchip_sdhci.c | 15 +++++++++++++++
>   1 file changed, 15 insertions(+)
>
> diff --git a/drivers/mmc/rockchip_sdhci.c b/drivers/mmc/rockchip_sdhci.c
> index c0f98678436..761e3619329 100644
> --- a/drivers/mmc/rockchip_sdhci.c
> +++ b/drivers/mmc/rockchip_sdhci.c
> @@ -682,6 +682,17 @@ static const struct sdhci_data rk3568_data = {
>   	.ddr50_strbin_delay_num = DLL_STRBIN_DELAY_NUM_DEFAULT,
>   };
>   
> +static const struct sdhci_data rk3576_data = {
> +	.set_ios_post = rk3568_sdhci_set_ios_post,
> +	.set_clock = rk3568_sdhci_set_clock,
> +	.config_dll = rk3568_sdhci_config_dll,
> +	.hs200_txclk_tapnum = DLL_TXCLK_TAPNUM_DEFAULT,
> +	.hs400_txclk_tapnum = 0x7,
> +	.hs400_cmdout_tapnum = 0x7,
> +	.hs400_strbin_tapnum = 0x5,
> +	.ddr50_strbin_delay_num = 0xa,
> +};
> +
>   static const struct sdhci_data rk3588_data = {
>   	.set_ios_post = rk3568_sdhci_set_ios_post,
>   	.set_clock = rk3568_sdhci_set_clock,
> @@ -706,6 +717,10 @@ static const struct udevice_id sdhci_ids[] = {
>   		.compatible = "rockchip,rk3568-dwcmshc",
>   		.data = (ulong)&rk3568_data,
>   	},
> +	{
> +		.compatible = "rockchip,rk3576-dwcmshc",
> +		.data = (ulong)&rk3576_data,
> +	},
>   	{
>   		.compatible = "rockchip,rk3588-dwcmshc",
>   		.data = (ulong)&rk3588_data,