H3 PWM controller has same register layout as sun4i driver, so it works
by adding H3 specific data.
Cc: Thierry Reding <thierry.reding@xxxxxxxxx>
Cc: Rob Herring <robh+dt@xxxxxxxxxx>
Cc: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx>
Cc: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxxxxxxxxx>
Cc: Chen-Yu Tsai <wens@xxxxxxxx>
Cc: linux-pwm@xxxxxxxxxxxxxxx
Cc: devicetree@xxxxxxxxxxxxxxx
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Signed-off-by: Milo Kim <woogyom.kim@xxxxxxxxx>
---
Documentation/devicetree/bindings/pwm/pwm-sun4i.txt | 1 +
drivers/pwm/pwm-sun4i.c | 9 +++++++++
2 files changed, 10 insertions(+)
diff --git a/Documentation/devicetree/bindings/pwm/pwm-sun4i.txt b/Documentation/devicetree/bindings/pwm/pwm-sun4i.txt
index cf6068b..f1cbeef 100644
--- a/Documentation/devicetree/bindings/pwm/pwm-sun4i.txt
+++ b/Documentation/devicetree/bindings/pwm/pwm-sun4i.txt
@@ -6,6 +6,7 @@ Required properties:
- "allwinner,sun5i-a10s-pwm"
- "allwinner,sun5i-a13-pwm"
- "allwinner,sun7i-a20-pwm"
+ - "allwinner,sun8i-h3-pwm"
- reg: physical base address and length of the controller's registers
- #pwm-cells: should be 3. See pwm.txt in this directory for a description of
the cells format.
diff --git a/drivers/pwm/pwm-sun4i.c b/drivers/pwm/pwm-sun4i.c
index 03a99a5..b0803f6 100644
--- a/drivers/pwm/pwm-sun4i.c
+++ b/drivers/pwm/pwm-sun4i.c
@@ -284,6 +284,12 @@ static const struct sun4i_pwm_data sun4i_pwm_data_a20 = {
.npwm = 2,
};
+static const struct sun4i_pwm_data sun4i_pwm_data_h3 = {
+ .has_prescaler_bypass = true,
+ .has_rdy = true,
+ .npwm = 1,
+};
+
static const struct of_device_id sun4i_pwm_dt_ids[] = {
{
.compatible = "allwinner,sun4i-a10-pwm",
@@ -298,6 +304,9 @@ static const struct of_device_id sun4i_pwm_dt_ids[] = {
.compatible = "allwinner,sun7i-a20-pwm",
.data = &sun4i_pwm_data_a20,
}, {
+ .compatible = "allwinner,sun8i-h3-pwm",
+ .data = &sun4i_pwm_data_h3,
+ }, {
/* sentinel */
},
};
--
2.9.3
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