From: Lukasz Majewski <l.majewski@majess.pl>
To: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Boris Brezillon <boris.brezillon@free-electrons.com>,
linux-pwm@vger.kernel.org,
Bhuvanchandra DV <bhuvanchandra.dv@toradex.com>,
linux-kernel@vger.kernel.org, Stefan Agner <stefan@agner.ch>,
Thierry Reding <thierry.reding@gmail.com>,
kernel@pengutronix.de, Fabio Estevam <fabio.estevam@nxp.com>,
Philipp Zabel <pza@pengutronix.de>,
Fabio Estevam <festevam@gmail.com>,
Lothar Wassmann <LW@karo-electronics.de>
Subject: Re: [PATCH v2 03/10] pwm: imx: Rewrite imx_pwm_*_v1 code to facilitate switch to atomic pwm operation
Date: Tue, 1 Nov 2016 06:57:23 +0100 [thread overview]
Message-ID: <20161101065723.7751a55e@jawa> (raw)
In-Reply-To: <20161031092937.im5epytgorcd5fbm@pengutronix.de>
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Hi Sascha,
> The current assumption as discussed by Philipp and me is that the ipg
> clk is only needed when the pwm output is driven by the ipg clk
> (MX3_PWMCR[16:17] = MX3_PWMCR_CLKSRC_IPG)
At least on my setup (i.MX6q) the ipg clock (ipg_clk) don't need to be
explicitly enabled in the ->apply() callback (in the pwm-imx.c) when
MX3_PWMCR_CLKSRC_IPG (0x01 - ipg_clk) is selected as the PWM source.
Best regards,
Łukasz Majewski
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next prev parent reply other threads:[~2016-11-01 5:57 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-27 6:29 [PATCH v2 00/10] pwm: imx: Provide atomic operation for IMX PWM driver Lukasz Majewski
2016-10-27 6:29 ` [PATCH v2 01/10] pwm: print error messages with pr_err() instead of pr_debug() Lukasz Majewski
2016-10-27 6:29 ` [PATCH v2 02/10] pwm: imx: Add separate set of pwm ops for PWMv1 and PWMv2 Lukasz Majewski
2016-10-27 6:29 ` [PATCH v2 03/10] pwm: imx: Rewrite imx_pwm_*_v1 code to facilitate switch to atomic pwm operation Lukasz Majewski
2016-10-27 7:40 ` Boris Brezillon
2016-10-27 8:22 ` Lukasz Majewski
2016-10-31 5:59 ` Sascha Hauer
2016-10-31 5:59 ` Sascha Hauer
2016-10-31 8:06 ` Lukasz Majewski
2016-10-31 9:24 ` Sascha Hauer
2016-10-31 9:29 ` Sascha Hauer
2016-10-31 11:58 ` Lukasz Majewski
2016-11-01 5:57 ` Lukasz Majewski [this message]
2016-11-01 7:17 ` Sascha Hauer
2016-11-01 8:20 ` Lukasz Majewski
2016-11-01 8:59 ` Sascha Hauer
2016-11-02 7:18 ` Lothar Waßmann
2016-11-02 7:36 ` Sascha Hauer
2016-11-02 7:56 ` Lothar Waßmann
2016-11-02 8:06 ` Sascha Hauer
2016-11-02 8:51 ` Lothar Waßmann
2016-11-02 9:34 ` Philipp Zabel
2016-10-27 6:29 ` [PATCH v2 04/10] pwm: imx: Move PWMv2 software reset code to a separate function Lukasz Majewski
2016-11-03 9:34 ` Philipp Zabel
2016-10-27 6:29 ` [PATCH v2 05/10] pwm: imx: Move PWMv2 wait for fifo slot " Lukasz Majewski
2016-10-27 6:29 ` [PATCH v2 06/10] pwm: imx: Provide atomic PWM support for i.MX PWMv2 Lukasz Majewski
2016-10-27 6:29 ` [PATCH v2 07/10] pwm: imx: Remove redundant i.MX PWMv2 code Lukasz Majewski
2016-10-27 6:29 ` [PATCH v2 08/10] pwm: core: make the PWM_POLARITY flag in DTB optional Lukasz Majewski
2016-10-27 6:29 ` [PATCH v2 10/10] pwm: imx: Add polarity inversion support to i.MX's PWMv2 Lukasz Majewski
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