diff options
Diffstat (limited to 'drivers/clk')
| -rw-r--r-- | drivers/clk/bcm/clk-raspberrypi.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/clk/bcm/clk-raspberrypi.c b/drivers/clk/bcm/clk-raspberrypi.c index d2cb90c086a7..5f4e2d49432f 100644 --- a/drivers/clk/bcm/clk-raspberrypi.c +++ b/drivers/clk/bcm/clk-raspberrypi.c @@ -31,6 +31,8 @@ #define A2W_PLL_FRAC_BITS 20 +#define NUM_FW_CLKS 16 + struct raspberrypi_clk { struct device *dev; struct rpi_firmware *firmware; @@ -282,11 +284,13 @@ static struct clk_hw *raspberrypi_register_pllb_arm(struct raspberrypi_clk *rpi) static int raspberrypi_clk_probe(struct platform_device *pdev) { + struct clk_hw_onecell_data *clk_data; struct device_node *firmware_node; struct device *dev = &pdev->dev; struct rpi_firmware *firmware; struct raspberrypi_clk *rpi; struct clk_hw *hw; + int ret; /* * We can be probed either through the an old-fashioned @@ -316,6 +320,11 @@ static int raspberrypi_clk_probe(struct platform_device *pdev) rpi->firmware = firmware; platform_set_drvdata(pdev, rpi); + clk_data = devm_kzalloc(dev, struct_size(clk_data, hws, NUM_FW_CLKS), + GFP_KERNEL); + if (!clk_data) + return -ENOMEM; + hw = raspberrypi_register_pllb(rpi); if (IS_ERR(hw)) { dev_err(dev, "Failed to initialize pllb, %ld\n", PTR_ERR(hw)); @@ -325,6 +334,13 @@ static int raspberrypi_clk_probe(struct platform_device *pdev) hw = raspberrypi_register_pllb_arm(rpi); if (IS_ERR(hw)) return PTR_ERR(hw); + clk_data->hws[RPI_FIRMWARE_ARM_CLK_ID] = hw; + clk_data->num = RPI_FIRMWARE_ARM_CLK_ID + 1; + + ret = devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get, + clk_data); + if (ret) + return ret; rpi->cpufreq = platform_device_register_data(dev, "raspberrypi-cpufreq", -1, NULL, 0); |