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pwm: meson: switch to using struct clk_parent_data for mux parents

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We'll use struct clk_parent_data for mux/div/gate initialization in the
follow-up patches. As a first step switch the mux from using
parent_names to clk_parent_data.

Suggested-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Tested-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
This commit is contained in:
Heiner Kallweit 2023-05-24 21:50:47 +02:00 • committed by Thierry Reding
parent bafa23b6c0
commit ed73300326
1 changed files with 9 additions and 2 deletions
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11
drivers/pwm/pwm-meson.c
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@ -61,6 +61,7 @@
#define MISC_A_EN BIT(0)
#define MESON_NUM_PWMS 2
#define MESON_MAX_MUX_PARENTS 4
static struct meson_pwm_channel_data {
u8 reg_offset;
@ -477,21 +478,27 @@ MODULE_DEVICE_TABLE(of, meson_pwm_matches);
static int meson_pwm_init_channels(struct meson_pwm *meson)
{
struct clk_parent_data mux_parent_data[MESON_MAX_MUX_PARENTS] = {};
struct device *dev = meson->chip.dev;
struct clk_init_data init;
unsigned int i;
char name[255];
int err;
for (i = 0; i < meson->data->num_parents; i++) {
mux_parent_data[i].index = -1;
mux_parent_data[i].name = meson->data->parent_names[i];
}
for (i = 0; i < meson->chip.npwm; i++) {
struct meson_pwm_channel *channel = &meson->channels[i];
struct clk_init_data init = {};
snprintf(name, sizeof(name), "%s#mux%u", dev_name(dev), i);
init.name = name;
init.ops = &clk_mux_ops;
init.flags = 0;
init.parent_names = meson->data->parent_names;
init.parent_data = mux_parent_data;
init.num_parents = meson->data->num_parents;
channel->mux.reg = meson->base + REG_MISC_AB;