Re: [PATCH 2/2] mmc: sdhci_am654: Add Support for TI's AM64 SoC

From: Aswath Govindraju
Date: Wed Jan 13 2021 - 07:08:11 EST


Hi,

On 13/01/21 5:29 pm, Aswath Govindraju wrote:
> From: Faiz Abbas <faiz_abbas@xxxxxx>
>
> Add support for the controller present on the AM64x SoC.
>
> There are instances:
> sdhci0: 8bit bus width, max 400 MBps
> sdhci1: 4bit bus width, max 100 MBps
>
> Signed-off-by: Faiz Abbas <faiz_abbas@xxxxxx>
> Signed-off-by: Vignesh Raghavendra <vigneshr@xxxxxx>
> Signed-off-by: Kishon Vijay Abraham I <kishon@xxxxxx>
> Signed-off-by: Aswath Govindraju <a-govindraju@xxxxxx>
> ---

Very sorry forgot to add RESEND tag in the subject. The link to the
original patch,
https://lore.kernel.org/patchwork/patch/1364589/

Thanks,
Aswath

> drivers/mmc/host/sdhci_am654.c | 28 ++++++++++++++++++++++++++++
> 1 file changed, 28 insertions(+)
>
> diff --git a/drivers/mmc/host/sdhci_am654.c b/drivers/mmc/host/sdhci_am654.c
> index a64ea143d185..7a34649b0754 100644
> --- a/drivers/mmc/host/sdhci_am654.c
> +++ b/drivers/mmc/host/sdhci_am654.c
> @@ -514,6 +514,26 @@ static const struct sdhci_am654_driver_data sdhci_j721e_4bit_drvdata = {
> .flags = IOMUX_PRESENT,
> };
>
> +static const struct sdhci_pltfm_data sdhci_am64_8bit_pdata = {
> + .ops = &sdhci_j721e_8bit_ops,
> + .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
> +};
> +
> +static const struct sdhci_am654_driver_data sdhci_am64_8bit_drvdata = {
> + .pdata = &sdhci_am64_8bit_pdata,
> + .flags = DLL_PRESENT | DLL_CALIB,
> +};
> +
> +static const struct sdhci_pltfm_data sdhci_am64_4bit_pdata = {
> + .ops = &sdhci_j721e_4bit_ops,
> + .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
> +};
> +
> +static const struct sdhci_am654_driver_data sdhci_am64_4bit_drvdata = {
> + .pdata = &sdhci_am64_4bit_pdata,
> + .flags = IOMUX_PRESENT,
> +};
> +
> static const struct soc_device_attribute sdhci_am654_devices[] = {
> { .family = "AM65X",
> .revision = "SR1.0",
> @@ -737,6 +757,14 @@ static const struct of_device_id sdhci_am654_of_match[] = {
> .compatible = "ti,j721e-sdhci-4bit",
> .data = &sdhci_j721e_4bit_drvdata,
> },
> + {
> + .compatible = "ti,am64-sdhci-8bit",
> + .data = &sdhci_am64_8bit_drvdata,
> + },
> + {
> + .compatible = "ti,am64-sdhci-4bit",
> + .data = &sdhci_am64_4bit_drvdata,
> + },
> { /* sentinel */ }
> };
> MODULE_DEVICE_TABLE(of, sdhci_am654_of_match);
>