From: martin.blumenstingl@googlemail.com (Martin Blumenstingl)
To: linus-amlogic@lists.infradead.org
Subject: [PATCH 0/2] Add PWM support for Meson8
Date: Wed, 12 Jul 2017 00:20:13 +0200 [thread overview]
Message-ID: <20170711222015.10401-1-martin.blumenstingl@googlemail.com> (raw)
This series moves the pwm_ab and pwm_cd nodes to the common meson.dtsi.
According to Amlogic's GPL kernel sources Meson6 contains the same PWM
IP blocks for pwm_ab and pwm_cd (at the same register offsets) as Meson8
and Meson8b.
pwm_ef on the other hand does not exist on Meson6, so it stays in
meson8b.dtsi (and is added to meson8b.dtsi).
Known usages of the PWM controllers:
- controlling the brightness of the system LED
- generating the 32.768kHz wifi LPO clock
- controlling the VDDEE (CPU) voltage
Martin Blumenstingl (2):
ARM: dts: move the pwm_ab and pwm_cd nodes to meson.dtsi
ARM: dts: meson8: add the PWM controller nodes
arch/arm/boot/dts/meson.dtsi | 14 ++++++++++++++
arch/arm/boot/dts/meson8.dtsi | 15 +++++++++++++++
arch/arm/boot/dts/meson8b.dtsi | 22 ++++++++--------------
3 files changed, 37 insertions(+), 14 deletions(-)
--
2.13.2
next reply other threads:[~2017-07-11 22:20 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-11 22:20 Martin Blumenstingl [this message]
2017-07-11 22:20 ` [PATCH 1/2] ARM: dts: move the pwm_ab and pwm_cd nodes to meson.dtsi Martin Blumenstingl
2017-07-11 22:20 ` [PATCH 2/2] ARM: dts: meson8: add the PWM controller nodes Martin Blumenstingl
2017-07-28 16:43 ` [PATCH 0/2] Add PWM support for Meson8 Kevin Hilman
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