diff options
| -rw-r--r-- | Documentation/devicetree/bindings/mmc/sdhci-msm.txt | 2 | ||||
| -rw-r--r-- | drivers/mmc/host/sdhci-msm.c | 12 |
2 files changed, 13 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/mmc/sdhci-msm.txt b/Documentation/devicetree/bindings/mmc/sdhci-msm.txt index 0576264eab5e..bfdcdc4ccdff 100644 --- a/Documentation/devicetree/bindings/mmc/sdhci-msm.txt +++ b/Documentation/devicetree/bindings/mmc/sdhci-msm.txt @@ -18,6 +18,8 @@ Required properties: "core" - SDC MMC clock (MCLK) (required) "bus" - SDCC bus voter clock (optional) "xo" - TCXO clock (optional) + "cal" - reference clock for RCLK delay calibration (optional) + "sleep" - sleep clock for RCLK delay calibration (optional) Example: diff --git a/drivers/mmc/host/sdhci-msm.c b/drivers/mmc/host/sdhci-msm.c index 526e19eced2f..33919d2b35d1 100644 --- a/drivers/mmc/host/sdhci-msm.c +++ b/drivers/mmc/host/sdhci-msm.c @@ -129,7 +129,7 @@ struct sdhci_msm_host { int pwr_irq; /* power irq */ struct clk *bus_clk; /* SDHC bus voter clock */ struct clk *xo_clk; /* TCXO clk needed for FLL feature of cm_dll*/ - struct clk_bulk_data bulk_clks[2]; /* core, iface clocks */ + struct clk_bulk_data bulk_clks[4]; /* core, iface, cal, sleep clocks */ unsigned long clk_rate; struct mmc_host *mmc; bool use_14lpp_dll_reset; @@ -1184,6 +1184,16 @@ static int sdhci_msm_probe(struct platform_device *pdev) if (ret) dev_warn(&pdev->dev, "core clock boost failed\n"); + clk = devm_clk_get(&pdev->dev, "cal"); + if (IS_ERR(clk)) + clk = NULL; + msm_host->bulk_clks[2].clk = clk; + + clk = devm_clk_get(&pdev->dev, "sleep"); + if (IS_ERR(clk)) + clk = NULL; + msm_host->bulk_clks[3].clk = clk; + ret = clk_bulk_prepare_enable(ARRAY_SIZE(msm_host->bulk_clks), msm_host->bulk_clks); if (ret) |