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[188.217.56.61]) by smtp.gmail.com with ESMTPSA id g16-20020a05600c4ed000b0038ceb0b21b4sm1190641wmq.24.2022.03.25.05.02.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 25 Mar 2022 05:02:42 -0700 (PDT) From: Tommaso Merciai To: Cc: tommaso.merciai@amarulasolutions.com, alb3rto.merciai@gmail.com, Peng Fan , Alice Guo , Ye Li , Andrey Zhizhikin , u-boot@lists.denx.de Subject: [PATCH v4 5/9] driver: pwm: pwm-imx: get and enable per/ipg clock using dm Date: Fri, 25 Mar 2022 13:02:27 +0100 Message-Id: <20220325120231.63782-6-tommaso.merciai@amarulasolutions.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220325120231.63782-1-tommaso.merciai@amarulasolutions.com> References: <20220325120231.63782-1-tommaso.merciai@amarulasolutions.com> MIME-Version: 1.0 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.5 at phobos.denx.de X-Virus-Status: Clean Get and enable ipg/per pwms clocks using dm api into imx_pwm_of_to_plat and imx_pwm_probe driver function Signed-off-by: Tommaso Merciai --- Changes since v4: - Fix ipg/per clk declaration - Fix clk_get_by_name call - Fix clk_enable call drivers/pwm/pwm-imx.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/drivers/pwm/pwm-imx.c b/drivers/pwm/pwm-imx.c index 67dad21295..74b0817a05 100644 --- a/drivers/pwm/pwm-imx.c +++ b/drivers/pwm/pwm-imx.c @@ -24,6 +24,7 @@ int pwm_init(int pwm_id, int div, int invert) writel(0, &pwm->ir); return 0; } +#include int pwm_config_internal(struct pwm_regs *pwm, unsigned long period_cycles, unsigned long duty_cycles, unsigned long prescale) @@ -148,6 +149,8 @@ void pwm_disable(int pwm_id) struct imx_pwm_priv { struct pwm_regs *regs; bool invert; + struct clk per_clk; + struct clk ipg_clk; }; static int imx_pwm_set_invert(struct udevice *dev, uint channel, @@ -193,15 +196,43 @@ static int imx_pwm_set_enable(struct udevice *dev, uint channel, bool enable) static int imx_pwm_of_to_plat(struct udevice *dev) { + int ret; struct imx_pwm_priv *priv = dev_get_priv(dev); priv->regs = dev_read_addr_ptr(dev); + ret = clk_get_by_name(dev, "per", &priv->per_clk); + if (ret) { + printf("Failed to get per_clk\n"); + return ret; + } + + ret = clk_get_by_name(dev, "ipg", &priv->ipg_clk); + if (ret) { + printf("Failed to get ipg_clk\n"); + return ret; + } + return 0; } static int imx_pwm_probe(struct udevice *dev) { + int ret; + struct imx_pwm_priv *priv = dev_get_priv(dev); + + ret = clk_enable(&priv->per_clk); + if (ret) { + printf("Failed to enable per_clk\n"); + return ret; + } + + ret = clk_enable(&priv->ipg_clk); + if (ret) { + printf("Failed to enable ipg_clk\n"); + return ret; + } + return 0; }