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Subject[PATCH 2/3] pwm: meson: add clock source configuratin for Meson-AXG
Date
From: Jian Hu <jian.hu@amlogic.com>

For PWM controller in the Meson-AXG SoC, the EE domain and
AO domain have different clock source. This patch try to describe
them in the DT compatible data.

Signed-off-by: Jian Hu <jian.hu@amlogic.com>
Signed-off-by: Yixun Lan <yixun.lan@amlogic.com>
---
drivers/pwm/pwm-meson.c | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)

diff --git a/drivers/pwm/pwm-meson.c b/drivers/pwm/pwm-meson.c
index 1f44b288af57..dcacc5c6ac1e 100644
--- a/drivers/pwm/pwm-meson.c
+++ b/drivers/pwm/pwm-meson.c
@@ -421,6 +421,24 @@ static const struct meson_pwm_data pwm_gxbb_ao_data = {
.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"
+};
+
+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[] = {
+ "aoclk81", "xtal", "fclk_div4", "fclk_div5"
+};
+
+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 struct of_device_id meson_pwm_matches[] = {
{
.compatible = "amlogic,meson8b-pwm",
@@ -434,6 +452,14 @@ static const struct of_device_id meson_pwm_matches[] = {
.compatible = "amlogic,meson-gxbb-ao-pwm",
.data = &pwm_gxbb_ao_data
},
+ {
+ .compatible = "amlogic,meson-axg-ee-pwm",
+ .data = &pwm_axg_ee_data
+ },
+ {
+ .compatible = "amlogic,meson-axg-ao-pwm",
+ .data = &pwm_axg_ao_data
+ },
{},
};
MODULE_DEVICE_TABLE(of, meson_pwm_matches);
--
2.15.0
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