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mmc: sdhci-xenon: use match data for controllers variants

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As a part of the ACPI support preparation resign from checking
compatible strings in the driver. Instead of that use a new
enum and assign the values to match data accordingly.

Signed-off-by: Marcin Wojtas <mw@semihalf.com>
Link: https://lore.kernel.org/r/20201204171626.10935-2-mw@semihalf.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Marcin Wojtas
2020-12-04 18:16:23 +01:00
committed by Ulf Hansson
parent 6f56023aea
commit f75fda3730
3 changed files with 17 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/mmc/host/sdhci-xenon-phy.c
View File

@@ -651,11 +651,13 @@ static int get_dt_pad_ctrl_data(struct sdhci_host *host,
struct device_node *np,
struct xenon_emmc_phy_params *params)
{
struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
struct xenon_priv *priv = sdhci_pltfm_priv(pltfm_host);
int ret = 0;
const char *name;
struct resource iomem;
if (of_device_is_compatible(np, "marvell,armada-3700-sdhci"))
if (priv->hw_version == XENON_A3700)
params->pad_ctrl.set_soc_pad = armada_3700_soc_pad_voltage_set;
else
return 0;

10
drivers/mmc/host/sdhci-xenon.c
View File

@@ -418,7 +418,7 @@ static int xenon_probe_dt(struct platform_device *pdev)
u32 tuning_count;
/* Disable HS200 on Armada AP806 */
if (of_device_is_compatible(np, "marvell,armada-ap806-sdhci"))
if (priv->hw_version == XENON_AP806)
host->quirks2 |= SDHCI_QUIRK2_BROKEN_HS200;
sdhc_id = 0x0;
@@ -495,6 +495,8 @@ static int xenon_probe(struct platform_device *pdev)
pltfm_host = sdhci_priv(host);
priv = sdhci_pltfm_priv(pltfm_host);
priv->hw_version = (unsigned long)device_get_match_data(&pdev->dev);
/*
* Link Xenon specific mmc_host_ops function,
* to replace standard ones in sdhci_ops.
@@ -667,9 +669,9 @@ static const struct dev_pm_ops sdhci_xenon_dev_pm_ops = {
};
static const struct of_device_id sdhci_xenon_dt_ids[] = {
{ .compatible = "marvell,armada-ap806-sdhci",},
{ .compatible = "marvell,armada-cp110-sdhci",},
{ .compatible = "marvell,armada-3700-sdhci",},
{ .compatible = "marvell,armada-ap806-sdhci", .data = (void *)XENON_AP806},
{ .compatible = "marvell,armada-cp110-sdhci", .data = (void *)XENON_CP110},
{ .compatible = "marvell,armada-3700-sdhci", .data = (void *)XENON_A3700},
{}
};
MODULE_DEVICE_TABLE(of, sdhci_xenon_dt_ids);

8
drivers/mmc/host/sdhci-xenon.h
View File

@@ -53,6 +53,13 @@
#define XENON_CTRL_HS200 0x5
#define XENON_CTRL_HS400 0x6
enum xenon_variant {
XENON_A3700,
XENON_AP806,
XENON_AP807,
XENON_CP110
};
struct xenon_priv {
unsigned char tuning_count;
/* idx of SDHC */
@@ -90,6 +97,7 @@ struct xenon_priv {
void *phy_params;
struct xenon_emmc_phy_regs *emmc_phy_regs;
bool restore_needed;
enum xenon_variant hw_version;
};
int xenon_phy_adj(struct sdhci_host *host, struct mmc_ios *ios);