[PATCH v4 6/9] clk: sunxi-ng: Add A64 clocks
Stephen Boyd
sboyd at codeaurora.org
Thu Oct 20 11:46:01 PDT 2016
On 10/11, Maxime Ripard wrote:
> diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-a64.c b/drivers/clk/sunxi-ng/ccu-sun50i-a64.c
> new file mode 100644
> index 000000000000..c0e96bf6d104
> --- /dev/null
> +++ b/drivers/clk/sunxi-ng/ccu-sun50i-a64.c
> +
> +static int sun50i_a64_ccu_probe(struct platform_device *pdev)
> +{
> + struct resource *res;
> + void __iomem *reg;
> + u32 val;
> +
> + res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> + reg = devm_ioremap_resource(&pdev->dev, res);
> + if (IS_ERR(reg)) {
> + dev_err(&pdev->dev, "Could not map the clock registers\n");
devm_ioremap_resource() should already spit out an error.
> + return PTR_ERR(reg);
> + }
> +
> + /* Force the PLL-Audio-1x divider to 4 */
> + val = readl(reg + SUN50I_A64_PLL_AUDIO_REG);
> + val &= ~GENMASK(19, 16);
> + writel(val | (3 << 16), reg + SUN50I_A64_PLL_AUDIO_REG);
> +
> + writel(0x515, reg + SUN50I_A64_PLL_MIPI_REG);
> +
> + return sunxi_ccu_probe(pdev->dev.of_node, reg, &sun50i_a64_ccu_desc);
> +}
> +
> +static const struct of_device_id sun50i_a64_ccu_ids[] = {
> + { .compatible = "allwinner,sun50i-a64-ccu" },
> + { },
Nitpick: drop the comma
> +};
> +
> +static struct platform_driver sun50i_a64_ccu_driver = {
> + .probe = sun50i_a64_ccu_probe,
> + .driver = {
> + .name = "sun50i-a64-ccu",
> + .of_match_table = sun50i_a64_ccu_ids,
> + },
> +};
> +builtin_platform_driver(sun50i_a64_ccu_driver);
--
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project
More information about the linux-arm-kernel
mailing list