diff mbox series

[v2,2/3] pwm: meson: Add clock source configuration for Meson G12A

Message ID 20190423133646.5705-3-narmstrong@baylibre.com (mailing list archive)
State New, archived
Headers show
Series pwm: Add support for Amlogic Meson G12A | expand

Commit Message

Neil Armstrong April 23, 2019, 1:36 p.m. UTC 
For the PWM controller in the Meson G12A SoC, the EE domain and AO domain
have different clock sources. This patch tries to describe them in the
DT compatible data. The two AO PWM controller has different clock source,
but the first AO controller (A & B) can reuse the AXG parents name.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
---
 drivers/pwm/pwm-meson.c | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

Comments

Martin Blumenstingl April 27, 2019, 8:29 p.m. UTC | #1 
On Tue, Apr 23, 2019 at 3:37 PM Neil Armstrong <narmstrong@baylibre.com> wrote:
>
> For the PWM controller in the Meson G12A SoC, the EE domain and AO domain
> have different clock sources. This patch tries to describe them in the
> DT compatible data. The two AO PWM controller has different clock source,
> but the first AO controller (A & B) can reuse the AXG parents name.
>
> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
diff mbox series

Patch

diff --git a/drivers/pwm/pwm-meson.c b/drivers/pwm/pwm-meson.c
index 2b03938039b6..bdf1b367e391 100644
--- a/drivers/pwm/pwm-meson.c
+++ b/drivers/pwm/pwm-meson.c
@@ -434,6 +434,24 @@  static const struct meson_pwm_data pwm_axg_ao_data = {
 	.num_parents = ARRAY_SIZE(pwm_axg_ao_parent_names),
 };
 
+static const char * const pwm_g12a_ao_cd_parent_names[] = {
+	"aoclk81", "xtal",
+};
+
+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),
+};
+
+static const char * const pwm_g12a_ee_parent_names[] = {
+	"xtal", "hdmi_pll", "fclk_div4", "fclk_div3"
+};
+
+static const struct meson_pwm_data pwm_g12a_ee_data = {
+	.parent_names = pwm_g12a_ee_parent_names,
+	.num_parents = ARRAY_SIZE(pwm_g12a_ee_parent_names),
+};
+
 static const struct of_device_id meson_pwm_matches[] = {
 	{
 		.compatible = "amlogic,meson8b-pwm",
@@ -455,6 +473,18 @@  static const struct of_device_id meson_pwm_matches[] = {
 		.compatible = "amlogic,meson-axg-ao-pwm",
 		.data = &pwm_axg_ao_data
 	},
+	{
+		.compatible = "amlogic,meson-g12a-ee-pwm",
+		.data = &pwm_g12a_ee_data
+	},
+	{
+		.compatible = "amlogic,meson-g12a-ao-pwm-ab",
+		.data = &pwm_axg_ao_data
+	},
+	{
+		.compatible = "amlogic,meson-g12a-ao-pwm-cd",
+		.data = &pwm_g12a_ao_cd_data
+	},
 	{},
 };
 MODULE_DEVICE_TABLE(of, meson_pwm_matches);