diff options
| -rw-r--r-- | arch/arm/boot/dts/imx23.dtsi | 1 | ||||
| -rw-r--r-- | arch/arm/boot/dts/imx28.dtsi | 1 | ||||
| -rw-r--r-- | drivers/staging/iio/adc/mxs-lradc.c | 15 |
3 files changed, 17 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx23.dtsi b/arch/arm/boot/dts/imx23.dtsi index 28b5ce2..07caf76 100644 --- a/arch/arm/boot/dts/imx23.dtsi +++ b/arch/arm/boot/dts/imx23.dtsi @@ -430,6 +430,7 @@ reg = <0x80050000 0x2000>; interrupts = <36 37 38 39 40 41 42 43 44>; status = "disabled"; + clocks = <&clks 26>; }; spdif@80054000 { diff --git a/arch/arm/boot/dts/imx28.dtsi b/arch/arm/boot/dts/imx28.dtsi index 7363fde..175deef 100644 --- a/arch/arm/boot/dts/imx28.dtsi +++ b/arch/arm/boot/dts/imx28.dtsi @@ -902,6 +902,7 @@ interrupts = <10 14 15 16 17 18 19 20 21 22 23 24 25>; status = "disabled"; + clocks = <&clks 41>; }; spdif: spdif@80054000 { diff --git a/drivers/staging/iio/adc/mxs-lradc.c b/drivers/staging/iio/adc/mxs-lradc.c index 9da64bf..93b25ca 100644 --- a/drivers/staging/iio/adc/mxs-lradc.c +++ b/drivers/staging/iio/adc/mxs-lradc.c @@ -35,6 +35,7 @@ #include <linux/completion.h> #include <linux/delay.h> #include <linux/input.h> +#include <linux/clk.h> #include <linux/iio/iio.h> #include <linux/iio/buffer.h> @@ -134,6 +135,8 @@ struct mxs_lradc { void __iomem *base; int irq[13]; + struct clk *clk; + uint32_t *buffer; struct iio_trigger *trig; @@ -922,6 +925,17 @@ static int mxs_lradc_probe(struct platform_device *pdev) if (IS_ERR(lradc->base)) return PTR_ERR(lradc->base); + lradc->clk = devm_clk_get(&pdev->dev, NULL); + if (IS_ERR(lradc->clk)) { + dev_err(dev, "Failed to get the delay unit clock\n"); + return PTR_ERR(lradc->clk); + } + ret = clk_prepare_enable(lradc->clk); + if (ret != 0) { + dev_err(dev, "Failed to enable the delay unit clock\n"); + return ret; + } + INIT_WORK(&lradc->ts_work, mxs_lradc_ts_work); /* Check if touchscreen is enabled in DT. */ @@ -1014,6 +1028,7 @@ static int mxs_lradc_remove(struct platform_device *pdev) mxs_lradc_trigger_remove(iio); iio_triggered_buffer_cleanup(iio); + clk_disable_unprepare(lradc->clk); return 0; } |
