diff options
| -rw-r--r-- | Documentation/devicetree/bindings/mmc/arasan,sdhci.txt | 3 | ||||
| -rw-r--r-- | drivers/mmc/host/sdhci-of-arasan.c | 7 |
2 files changed, 9 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt index 98ee2abbe138..7e9490313d5a 100644 --- a/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt +++ b/Documentation/devicetree/bindings/mmc/arasan,sdhci.txt @@ -8,7 +8,8 @@ Device Tree Bindings for the Arasan SDHCI Controller [3] Documentation/devicetree/bindings/interrupt-controller/interrupts.txt Required Properties: - - compatible: Compatibility string. Must be 'arasan,sdhci-8.9a' + - compatible: Compatibility string. Must be 'arasan,sdhci-8.9a' or + 'arasan,sdhci-4.9a' - reg: From mmc bindings: Register location and length. - clocks: From clock bindings: Handles to clock inputs. - clock-names: From clock bindings: Tuple including "clk_xin" and "clk_ahb" diff --git a/drivers/mmc/host/sdhci-of-arasan.c b/drivers/mmc/host/sdhci-of-arasan.c index 6287d426c96b..21c0c08dfe54 100644 --- a/drivers/mmc/host/sdhci-of-arasan.c +++ b/drivers/mmc/host/sdhci-of-arasan.c @@ -20,6 +20,7 @@ */ #include <linux/module.h> +#include <linux/of_device.h> #include "sdhci-pltfm.h" #define SDHCI_ARASAN_CLK_CTRL_OFFSET 0x2c @@ -168,6 +169,11 @@ static int sdhci_arasan_probe(struct platform_device *pdev) goto clk_disable_all; } + if (of_device_is_compatible(pdev->dev.of_node, "arasan,sdhci-4.9a")) { + host->quirks |= SDHCI_QUIRK_NO_HISPD_BIT; + host->quirks2 |= SDHCI_QUIRK2_HOST_NO_CMD23; + } + sdhci_get_of_property(pdev); pltfm_host = sdhci_priv(host); pltfm_host->priv = sdhci_arasan; @@ -208,6 +214,7 @@ static int sdhci_arasan_remove(struct platform_device *pdev) static const struct of_device_id sdhci_arasan_of_match[] = { { .compatible = "arasan,sdhci-8.9a" }, + { .compatible = "arasan,sdhci-4.9a" }, { } }; MODULE_DEVICE_TABLE(of, sdhci_arasan_of_match); |