diff options
Diffstat (limited to 'drivers/pwm')
| -rw-r--r-- | drivers/pwm/pwm-meson.c | 53 |
1 files changed, 11 insertions, 42 deletions
diff --git a/drivers/pwm/pwm-meson.c b/drivers/pwm/pwm-meson.c index 40a5b64c26f5..a02fdbc61256 100644 --- a/drivers/pwm/pwm-meson.c +++ b/drivers/pwm/pwm-meson.c @@ -60,7 +60,7 @@ #define MISC_A_EN BIT(0) #define MESON_NUM_PWMS 2 -#define MESON_MAX_MUX_PARENTS 4 +#define MESON_NUM_MUX_PARENTS 4 static struct meson_pwm_channel_data { u8 reg_offset; @@ -97,8 +97,7 @@ struct meson_pwm_channel { }; struct meson_pwm_data { - const char * const *parent_names; - unsigned int num_parents; + const char *const parent_names[MESON_NUM_MUX_PARENTS]; }; struct meson_pwm { @@ -339,62 +338,32 @@ static const struct pwm_ops meson_pwm_ops = { .get_state = meson_pwm_get_state, }; -static const char * const pwm_meson8b_parent_names[] = { - "xtal", NULL, "fclk_div4", "fclk_div3" -}; - static const struct meson_pwm_data pwm_meson8b_data = { - .parent_names = pwm_meson8b_parent_names, - .num_parents = ARRAY_SIZE(pwm_meson8b_parent_names), + .parent_names = { "xtal", NULL, "fclk_div4", "fclk_div3" }, }; /* * Only the 2 first inputs of the GXBB AO PWMs are valid * The last 2 are grounded */ -static const char * const pwm_gxbb_ao_parent_names[] = { - "xtal", "clk81" -}; - static const struct meson_pwm_data pwm_gxbb_ao_data = { - .parent_names = pwm_gxbb_ao_parent_names, - .num_parents = ARRAY_SIZE(pwm_gxbb_ao_parent_names), -}; - -static const char * const pwm_axg_ee_parent_names[] = { - "xtal", "fclk_div5", "fclk_div4", "fclk_div3" + .parent_names = { "xtal", "clk81", NULL, NULL }, }; static const struct meson_pwm_data pwm_axg_ee_data = { - .parent_names = pwm_axg_ee_parent_names, - .num_parents = ARRAY_SIZE(pwm_axg_ee_parent_names), -}; - -static const char * const pwm_axg_ao_parent_names[] = { - "xtal", "axg_ao_clk81", "fclk_div4", "fclk_div5" + .parent_names = { "xtal", "fclk_div5", "fclk_div4", "fclk_div3" }, }; static const struct meson_pwm_data pwm_axg_ao_data = { - .parent_names = pwm_axg_ao_parent_names, - .num_parents = ARRAY_SIZE(pwm_axg_ao_parent_names), -}; - -static const char * const pwm_g12a_ao_ab_parent_names[] = { - "xtal", "g12a_ao_clk81", "fclk_div4", "fclk_div5" + .parent_names = { "xtal", "axg_ao_clk81", "fclk_div4", "fclk_div5" }, }; static const struct meson_pwm_data pwm_g12a_ao_ab_data = { - .parent_names = pwm_g12a_ao_ab_parent_names, - .num_parents = ARRAY_SIZE(pwm_g12a_ao_ab_parent_names), -}; - -static const char * const pwm_g12a_ao_cd_parent_names[] = { - "xtal", "g12a_ao_clk81", + .parent_names = { "xtal", "g12a_ao_clk81", "fclk_div4", "fclk_div5" }, }; static const struct meson_pwm_data pwm_g12a_ao_cd_data = { - .parent_names = pwm_g12a_ao_cd_parent_names, - .num_parents = ARRAY_SIZE(pwm_g12a_ao_cd_parent_names), + .parent_names = { "xtal", "g12a_ao_clk81", NULL, NULL }, }; static const struct of_device_id meson_pwm_matches[] = { @@ -437,13 +406,13 @@ MODULE_DEVICE_TABLE(of, meson_pwm_matches); static int meson_pwm_init_channels(struct pwm_chip *chip) { struct meson_pwm *meson = to_meson_pwm(chip); - struct clk_parent_data mux_parent_data[MESON_MAX_MUX_PARENTS] = {}; + struct clk_parent_data mux_parent_data[MESON_NUM_MUX_PARENTS] = {}; struct device *dev = pwmchip_parent(chip); unsigned int i; char name[255]; int err; - for (i = 0; i < meson->data->num_parents; i++) { + for (i = 0; i < MESON_NUM_MUX_PARENTS; i++) { mux_parent_data[i].index = -1; mux_parent_data[i].name = meson->data->parent_names[i]; } @@ -459,7 +428,7 @@ static int meson_pwm_init_channels(struct pwm_chip *chip) init.ops = &clk_mux_ops; init.flags = 0; init.parent_data = mux_parent_data; - init.num_parents = meson->data->num_parents; + init.num_parents = MESON_NUM_MUX_PARENTS; channel->mux.reg = meson->base + REG_MISC_AB; channel->mux.shift = |