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authorNicolas Saenz Julienne <nsaenzjulienne@suse.de>2020-03-06 18:44:11 +0100
committerUlf Hansson <ulf.hansson@linaro.org>2020-03-24 14:39:53 +0100
commitf87391eec2c5f54269e64d655da19f2c32515e4c (patch)
tree12ee378af5a8000b628feca8fcbcd20c16202a6d /drivers/mmc
parentmmc: sdhci: am654: Use sdhci_set_power_and_voltage() (diff)
downloadlinux-f87391eec2c5f54269e64d655da19f2c32515e4c.tar.xz
linux-f87391eec2c5f54269e64d655da19f2c32515e4c.zip
mmc: sdhci: iproc: Add custom set_power() callback for bcm2711
The controller needs a valid bus voltage in its power register regardless of whether an external regulator is taking care of the power supply. The sdhci core already provides a helper function for this, sdhci_set_power_and_bus_voltage(), so create a bcm2711 specific 'struct sdhci_ops' which makes use of it. Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Link: https://lore.kernel.org/r/20200306174413.20634-10-nsaenzjulienne@suse.de Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/host/sdhci-iproc.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/mmc/host/sdhci-iproc.c b/drivers/mmc/host/sdhci-iproc.c
index f4f5f0a70cda..225603148d7d 100644
--- a/drivers/mmc/host/sdhci-iproc.c
+++ b/drivers/mmc/host/sdhci-iproc.c
@@ -261,9 +261,24 @@ static const struct sdhci_iproc_data bcm2835_data = {
.mmc_caps = 0x00000000,
};
+static const struct sdhci_ops sdhci_iproc_bcm2711_ops = {
+ .read_l = sdhci_iproc_readl,
+ .read_w = sdhci_iproc_readw,
+ .read_b = sdhci_iproc_readb,
+ .write_l = sdhci_iproc_writel,
+ .write_w = sdhci_iproc_writew,
+ .write_b = sdhci_iproc_writeb,
+ .set_clock = sdhci_set_clock,
+ .set_power = sdhci_set_power_and_bus_voltage,
+ .get_max_clock = sdhci_iproc_get_max_clock,
+ .set_bus_width = sdhci_set_bus_width,
+ .reset = sdhci_reset,
+ .set_uhs_signaling = sdhci_set_uhs_signaling,
+};
+
static const struct sdhci_pltfm_data sdhci_bcm2711_pltfm_data = {
.quirks = SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12,
- .ops = &sdhci_iproc_32only_ops,
+ .ops = &sdhci_iproc_bcm2711_ops,
};
static const struct sdhci_iproc_data bcm2711_data = {