linux-kernel - [PATCH 2/5] pwm: stm32: use 3 cells ->of

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Date:   Wed, 19 Jun 2019 11:52:02 +0200
From:   Fabrice Gasnier <fabrice.gasnier@...com>
To:     <thierry.reding@...il.com>, <robh+dt@...nel.org>,
        <alexandre.torgue@...com>
CC:     <mark.rutland@....com>, <linux@...linux.org.uk>,
        <mcoquelin.stm32@...il.com>, <fabrice.gasnier@...com>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <linux-pwm@...r.kernel.org>,
        <benjamin.gaignard@...com>,
        <linux-stm32@...md-mailman.stormreply.com>
Subject: [PATCH 2/5] pwm: stm32: use 3 cells ->of_xlate()

STM32 Timers support generic 3 cells PWM to encode PWM number, period and
polarity.

Fixes: 7edf7369205b ("pwm: Add driver for STM32 plaftorm")

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@...com>
---
 drivers/pwm/pwm-stm32.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/pwm/pwm-stm32.c b/drivers/pwm/pwm-stm32.c
index 4f84255..740e2de 100644
--- a/drivers/pwm/pwm-stm32.c
+++ b/drivers/pwm/pwm-stm32.c
@@ -608,6 +608,8 @@ static int stm32_pwm_probe(struct platform_device *pdev)
 	priv->regmap = ddata->regmap;
 	priv->clk = ddata->clk;
 	priv->max_arr = ddata->max_arr;
+	priv->chip.of_xlate = of_pwm_xlate_with_flags;
+	priv->chip.of_pwm_n_cells = 3;
 
 	if (!priv->regmap || !priv->clk)
 		return -EINVAL;
-- 
2.7.4