pwm: meson: Add clock source configuration for Meson-AXG

For PWM controller in the Meson-AXG SoC, the EE domain and AO domain
have different clock sources. This patch tries 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>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>

diff --git a/drivers/pwm/pwm-meson.c b/drivers/pwm/pwm-meson.c
index d589331..0767deb 100644 (file)
--- a/drivers/pwm/pwm-meson.c
+++ b/drivers/pwm/pwm-meson.c
@@ -411,6 +411,24 @@ 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",
@@ -424,6 +442,14 @@ 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);