Quoting Konrad Dybcio (2021-03-12 18:03:08)
> Add Global Clock Controller (GCC) support for MDM9607 SoC.
>
> Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxx>
> ---
Applied to clk-next
> drivers/clk/qcom/Kconfig | 7 +
> drivers/clk/qcom/Makefile | 1 +
> drivers/clk/qcom/gcc-mdm9607.c | 1656 ++++++++++++++++++++++++++++++++
> 3 files changed, 1664 insertions(+)
> create mode 100644 drivers/clk/qcom/gcc-mdm9607.c
>
> diff --git a/drivers/clk/qcom/gcc-mdm9607.c b/drivers/clk/qcom/gcc-mdm9607.c
> new file mode 100644
> index 000000000000..a4b3cff7e98f
> --- /dev/null
> +++ b/drivers/clk/qcom/gcc-mdm9607.c
> @@ -0,0 +1,1656 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +/*
> + * Copyright (c) 2021, Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxx>
> + */
> +
> +#include <linux/kernel.h>
> +#include <linux/bitops.h>
> +#include <linux/err.h>
> +#include <linux/platform_device.h>
> +#include <linux/module.h>
> +#include <linux/of.h>
> +#include <linux/of_device.h>
> +#include <linux/clk.h>
I dropped this.
> +#include <linux/clk-provider.h>
> +#include <linux/regmap.h>
> +#include <linux/reset-controller.h>
> +
> +#include <dt-bindings/clock/qcom,gcc-mdm9607.h>
> +
> +#include "common.h"
> +#include "clk-regmap.h"
> +#include "clk-alpha-pll.h"
> +#include "clk-pll.h"
> +#include "clk-rcg.h"
> +#include "clk-branch.h"
> +#include "reset.h"
> +#include "gdsc.h"
> +
[...]
> +
> +static const struct freq_tbl ftbl_pcnoc_bfdcd_clk_src[] = {
> + F(19200000, P_XO, 1, 0, 0),
> + F(50000000, P_GPLL0, 16, 0, 0),
> + F(100000000, P_GPLL0, 8, 0, 0),
> + { }
> +};
> +
> +static struct clk_rcg2 pcnoc_bfdcd_clk_src = {
> + .cmd_rcgr = 0x27000,
> + .freq_tbl = ftbl_pcnoc_bfdcd_clk_src,
> + .hid_width = 5,
> + .parent_map = gcc_xo_gpll0_bimc_map,
> + .clkr.hw.init = &(struct clk_init_data){
> + .name = "pcnoc_bfdcd_clk_src",
> + .parent_data = gcc_xo_gpll0_bimc,
> + .num_parents = ARRAY_SIZE(gcc_xo_gpll0_bimc),
> + .ops = &clk_rcg2_ops,
> + .flags = CLK_IS_CRITICAL,
Is this how it is downstream? Because it looks like this will mean that
xo shutdown can never be achieved.
> + },
> +};
> +
