From: Daniel Baluta <daniel.baluta@nxp.com>
To: "robh+dt@kernel.org" <robh+dt@kernel.org>,
"shawnguo@kernel.org" <shawnguo@kernel.org>,
"timur@kernel.org" <timur@kernel.org>,
"nicoleotsuka@gmail.com" <nicoleotsuka@gmail.com>,
"broonie@kernel.org" <broonie@kernel.org>
Cc: "mark.rutland@arm.com" <mark.rutland@arm.com>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"alsa-devel@alsa-project.org" <alsa-devel@alsa-project.org>,
"Xiubo.Lee@gmail.com" <Xiubo.Lee@gmail.com>,
Daniel Baluta <daniel.baluta@nxp.com>,
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<linux-arm-kernel@lists.infradead.org>
Subject: [PATCH 0/3] Add mclk0 clock source for SAI
Date: Tue, 28 May 2019 13:20:46 +0000 [thread overview]
Message-ID: <20190528132034.3908-1-daniel.baluta@nxp.com> (raw)
This patch series brings together patches [1] and [2] which
introduce mclk0 clock source via DT.
mclk0..3 are the four clock sources options
of SAI's clock MUX.
mclk0 option selects:
- Bus Clock on i.MX8
- MCLK1 on i.MX6/7
Finally we also update the DT binding information for SAI clocks.
In [1] and [2] Nicolin had a very good point on the fact that
mclk0 might not be needed in the DT. Anyhow, there are two reasons
for which I think mlck0 should be added to DT:
1) SAI clock source select MUX is really part of the hardware
2) flexibility! We let DT tell us which is the option for MUX
option 0.
[1] lkml.org/lkml/2019/4/20/141
[2] lkml.org/lkml/2019/4/20/56
Daniel Baluta (2):
dt-bindings: sound: Clarify the usage of clocks in SAI
ASoC: fsl_sai: Read SAI clock source 0 from DT
Shengjiu Wang (1):
ARM: dts: imx: Add mclk0 clock for SAI
Documentation/devicetree/bindings/sound/fsl-sai.txt | 5 +++--
arch/arm/boot/dts/imx6sx.dtsi | 6 ++++--
arch/arm/boot/dts/imx6ul.dtsi | 9 ++++++---
arch/arm/boot/dts/imx7s.dtsi | 9 ++++++---
sound/soc/fsl/fsl_sai.c | 3 +--
5 files changed, 20 insertions(+), 12 deletions(-)
--
2.17.1
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next reply other threads:[~2019-05-28 13:21 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-28 13:20 Daniel Baluta [this message]
2019-05-28 13:21 ` [PATCH 1/3] ARM: dts: imx: Add mclk0 clock for SAI Daniel Baluta
2019-05-29 22:57 ` Nicolin Chen
2019-05-28 13:21 ` [PATCH 2/3] dt-bindings: sound: Clarify the usage of clocks in SAI Daniel Baluta
2019-06-14 20:00 ` Rob Herring
2019-05-28 13:21 ` [PATCH 3/3] ASoC: fsl_sai: Read SAI clock source 0 from DT Daniel Baluta
2019-05-29 23:03 ` [PATCH 0/3] Add mclk0 clock source for SAI Nicolin Chen
2019-05-30 8:32 ` Daniel Baluta
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