Re: [PATCH v2 1/4] clk: sunxi-ng: Add A64 clocks

Stephen Boyd
2016-09-14T21:45:57Z

On 09/09, Maxime Ripard wrote:
> index 106cba27c331..964f22091a10 100644
> --- a/drivers/clk/sunxi-ng/Makefile
> +++ b/drivers/clk/sunxi-ng/Makefile
> @@ -22,3 +22,4 @@ obj-$(CONFIG_SUN6I_A31_CCU) += ccu-sun6i-a31.o
> obj-$(CONFIG_SUN8I_A23_CCU) += ccu-sun8i-a23.o
> obj-$(CONFIG_SUN8I_A33_CCU) += ccu-sun8i-a33.o
> obj-$(CONFIG_SUN8I_H3_CCU) += ccu-sun8i-h3.o
> +obj-$(CONFIG_SUN50I_A64_CCU) += ccu-sun50i-a64.o

Maybe do alphanumeric ordering?

> 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..d51ee416f515
> --- /dev/null
> +++ b/drivers/clk/sunxi-ng/ccu-sun50i-a64.c
> @@ -0,0 +1,870 @@
> +
> +static void __init sun50i_a64_ccu_setup(struct device_node *node)
> +{
> + void __iomem *reg;
> + u32 val;
> +
> + reg = of_io_request_and_map(node, 0, of_node_full_name(node));
> + if (IS_ERR(reg)) {
> + pr_err("%s: Could not map the clock registers\n",
> + of_node_full_name(node));
> + return;
> + }
> +
> + /* 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);
> +
> + sunxi_ccu_probe(node, reg, &sun50i_a64_ccu_desc);
> +}
> +CLK_OF_DECLARE(sun50i_a64_ccu, "allwinner,sun50i-a64-ccu",
> + sun50i_a64_ccu_setup);

Is there a reason it can't be a platform driver?

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