From: Detlev Casanova <detlev.casanova@collabora.com>
To: linux-kernel@vger.kernel.org
Cc: arnd@arndb.de, bcm-kernel-feedback-list@broadcom.com,
devicetree@vger.kernel.org, f.fainelli@gmail.com,
frowand.list@gmail.com, linux-arm-kernel@lists.infradead.org,
linux-rpi-kernel@lists.infradead.org, masahiroy@kernel.org,
michal.lkml@markovi.net, ndesaulniers@google.com,
nsaenz@kernel.org, olof@lixom.net, rjui@broadcom.com,
robh+dt@kernel.org, sbranden@broadcom.com, soc@kernel.org,
stefan.wahren@i2se.com,
Detlev Casanova <detlev.casanova@collabora.com>
Subject: [RFC PATCH v2 0/3] ARM: dts: Support official Raspberry Pi 7inch touchscreen
Date: Wed, 27 Apr 2022 14:52:40 -0400 [thread overview]
Message-ID: <20220427185243.173594-1-detlev.casanova@collabora.com> (raw)
Add a devicetree overlay to support the official Raspberry Pi 7inch touchscreen.
This also demuxes the i2c0 controller to support both pinctrls.
Changes in v2:
* The device tree in now an overlay
* The i2c demux patch is kept for now to have a working patch set. It has
not been merged yet in [1].
* The device tree overlay doesn't use fragments. It is working as is
but not enough literature was found to go one way or the other.
[1] https://www.spinics.net/lists/arm-kernel/msg944330.html
Detlev Casanova (3):
ARM: dts: bcm2*: Demux i2c0 with a pinctrl
of: Add support for -@ when compiling overlays
ARM: dto: Add bcm2711-rpi-7-inches-ts.dts overlay
arch/arm/boot/dts/Makefile | 4 +
arch/arm/boot/dts/bcm2711-rpi-4-b.dts | 1 +
arch/arm/boot/dts/bcm2711.dtsi | 2 +-
arch/arm/boot/dts/bcm2835-rpi.dtsi | 9 +-
.../boot/dts/bcm283x-rpi-i2c0mux_0_44.dtsi | 4 +
arch/arm/boot/dts/bcm283x.dtsi | 26 +++-
arch/arm/boot/dts/overlays/Makefile | 3 +
.../dts/overlays/bcm2711-rpi-7-inches-ts.dts | 125 ++++++++++++++++++
arch/arm64/boot/dts/broadcom/Makefile | 4 +
.../arm64/boot/dts/broadcom/overlays/Makefile | 3 +
.../overlays/bcm2711-rpi-7-inches-ts.dts | 2 +
drivers/of/Kconfig | 8 ++
scripts/Makefile.lib | 9 +-
13 files changed, 193 insertions(+), 7 deletions(-)
create mode 100644 arch/arm/boot/dts/bcm283x-rpi-i2c0mux_0_44.dtsi
create mode 100644 arch/arm/boot/dts/overlays/Makefile
create mode 100644 arch/arm/boot/dts/overlays/bcm2711-rpi-7-inches-ts.dts
create mode 100644 arch/arm64/boot/dts/broadcom/overlays/Makefile
create mode 100644 arch/arm64/boot/dts/broadcom/overlays/bcm2711-rpi-7-inches-ts.dts
--
2.36.0
next reply other threads:[~2022-04-27 19:02 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-27 18:52 Detlev Casanova [this message]
2022-04-27 18:52 ` [RFC PATCH v2 1/3] ARM: dts: bcm2*: Demux i2c0 with a pinctrl Detlev Casanova
2022-04-27 18:52 ` [RFC PATCH v2 2/3] of: Add support for -@ when compiling overlays Detlev Casanova
2022-04-27 21:24 ` Rob Herring
2022-04-28 0:01 ` Florian Fainelli
2022-04-27 18:52 ` [RFC PATCH v2 3/3] ARM: dto: Add bcm2711-rpi-7-inches-ts.dts overlay Detlev Casanova
2022-04-27 21:16 ` Rob Herring
2022-04-28 6:44 ` Geert Uytterhoeven
2022-04-28 14:26 ` Rob Herring
-- strict thread matches above, loose matches on Subject: below --
2022-02-21 14:01 [RFC PATCH v2 0/3] ARM: dts: Support official Raspberry Pi 7inch touchscreen Detlev Casanova
2022-03-29 14:15 ` Detlev Casanova
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