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[79.0.195.19]) by smtp.gmail.com with ESMTPSA id s15-20020a170906778f00b006df84c19995sm1209355ejm.224.2022.03.24.07.11.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 24 Mar 2022 07:11:06 -0700 (PDT) From: Tommaso Merciai To: Cc: tommaso.merciai@amarulasolutions.com, alb3rto.merciai@gmail.com, Peng Fan , Andrey Zhizhikin , Ye Li , Alice Guo , u-boot@lists.denx.de Subject: [PATCH v3 5/9] driver: pwm: pwm-imx: get and enable per/ipg clock using dm Date: Thu, 24 Mar 2022 15:10:48 +0100 Message-Id: <20220324141052.16378-6-tommaso.merciai@amarulasolutions.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220324141052.16378-1-tommaso.merciai@amarulasolutions.com> References: <20220324141052.16378-1-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 --- 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..429b57a423 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; }