On Tue, 7 Jun 2016 22:41:53 +0200
Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx> wrote:
> Add the list of clocks and resets found in the H3 CCU.
>
> Signed-off-by: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx>
>
> ---
> Changes from v1:
> - Only build the H3 clocks description when MACH_SUN8I is set
> ---
> drivers/clk/sunxi-ng/Makefile | 2 +
> drivers/clk/sunxi-ng/ccu-sun8i-h3.c | 703 +++++++++++++++++++++++++++++++++++
> include/dt-bindings/clock/sun8i-h3.h | 162 ++++++++
> include/dt-bindings/reset/sun8i-h3.h | 103 +++++
> 4 files changed, 970 insertions(+)
> create mode 100644 drivers/clk/sunxi-ng/ccu-sun8i-h3.c
> create mode 100644 include/dt-bindings/clock/sun8i-h3.h
> create mode 100644 include/dt-bindings/reset/sun8i-h3.h
>
> diff --git a/drivers/clk/sunxi-ng/Makefile b/drivers/clk/sunxi-ng/Makefile
> index ddcf456df719..cafabf0e8060 100644
> --- a/drivers/clk/sunxi-ng/Makefile
> +++ b/drivers/clk/sunxi-ng/Makefile
> @@ -13,3 +13,5 @@ obj-y += ccu_nkm.o
> obj-y += ccu_nkmp.o
> obj-y += ccu_nm.o
> obj-y += ccu_phase.o
> +
> +obj-$(CONFIG_MACH_SUN8I) += ccu-sun8i-h3.o
> diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-h3.c b/drivers/clk/sunxi-ng/ccu-sun8i-h3.c
> new file mode 100644
> index 000000000000..41102ac020d9
> --- /dev/null
> +++ b/drivers/clk/sunxi-ng/ccu-sun8i-h3.c
[snip]
> +static const struct sunxi_ccu_desc sun8i_h3_ccu_desc = {
> + .clks = sun8i_h3_ccu_clks,
> + .num_clks = ARRAY_SIZE(sun8i_h3_ccu_clks),
> +
> + .resets = sun8i_h3_ccu_resets,
> + .num_resets = ARRAY_SIZE(sun8i_h3_ccu_resets),
> +};
> +
> +#define SUN8I_H3_PLL2_REG 0x008
SUN8I_H3_PLL_AUDIO_REG would be clearer.
This definition could go near the audio PLL description with some
comments.
> +
> +static void __init sun8i_h3_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 PLL2-1x divider to 4 */
> + val = readl(reg + SUN8I_H3_PLL2_REG);
> + val &= ~GENMASK(4, 0);
> + writel(val | 3, reg + SUN8I_H3_PLL2_REG);
> +
> + sunxi_ccu_probe(node, reg, &sun8i_h3_ccu_desc);
> +}
> +CLK_OF_DECLARE(sun8i_h3_ccu, "allwinner,sun8i-h3-ccu",
> + sun8i_h3_ccu_setup);
> diff --git a/include/dt-bindings/clock/sun8i-h3.h b/include/dt-bindings/clock/sun8i-h3.h
> new file mode 100644
> index 000000000000..96eced56e7a2
> --- /dev/null
> +++ b/include/dt-bindings/clock/sun8i-h3.h
[snip]
--
Ken ar c'hentañ | ** Breizh ha Linux atav! **
Jef | http://moinejf.free.fr/
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