From: Lars Rask <lars.rask@axis.com>
To: Marcus Folkesson <marcus.folkesson@gmail.com>,
Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
Maxime Ripard <mripard@kernel.org>,
Thomas Zimmermann <tzimmermann@suse.de>,
David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,
Rob Herring <robh@kernel.org>,
"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>
Cc: <dri-devel@lists.freedesktop.org>, <linux-kernel@vger.kernel.org>,
<devicetree@vger.kernel.org>, <kernel@axis.com>,
Lars Rask <lars.rask@axis.com>
Subject: [PATCH 0/2] Add support for st75156 in st7571 display driver
Date: Thu, 22 Oct 2026 17:31:04 +0200 [thread overview]
Message-ID: <20261022-add_st75156_support-v1-0-582525a39a39@axis.com> (raw)
To: Marcus Folkesson <marcus.folkesson@gmail.com>
To: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
To: Maxime Ripard <mripard@kernel.org>
To: Thomas Zimmermann <tzimmermann@suse.de>
To: David Airlie <airlied@gmail.com>
To: Simona Vetter <simona@ffwll.ch>
To: Rob Herring <robh@kernel.org>
To: Krzysztof Kozlowski <krzk+dt@kernel.org>
To: Conor Dooley <conor+dt@kernel.org>
Cc: dri-devel@lists.freedesktop.org
Cc: linux-kernel@vger.kernel.org
Cc: devicetree@vger.kernel.org
Cc: kernel@axis.com
The Sitronix st7571 driver previously supported the st7567 and st7571
chips. This commit adds support for the st75156 chip used in SPI 4 wire mode.
In order to use the st75156 chip, you need to specify
CONFIG_DRM_ST7571=m and CONFIG_DRM_ST7571_SPI=m in the .config file, and
also use the compatible string "sitronix,st75156" in the device tree.
Signed-off-by: Lars Rask <lars.rask@axis.com>
---
Lars Rask (2):
drm/sitronix/st7571-spi: Add support for ST75156 controller
dt-bindings: display: sitronix,st75156: add example for SPI
.../bindings/display/sitronix,st75156.yaml | 67 ++++
MAINTAINERS | 1 +
drivers/gpu/drm/sitronix/st7571-spi.c | 118 +++++-
drivers/gpu/drm/sitronix/st7571.c | 420 ++++++++++++++++++++-
drivers/gpu/drm/sitronix/st7571.h | 20 +
5 files changed, 617 insertions(+), 9 deletions(-)
---
base-commit: 8d3ae59288f1e7d58d76558a6ee96d533bc5019f
change-id: 20261015-add_st75156_support-00ec2c7f63a6
Best regards,
--
Lars Rask <lars.rask@axis.com>
next reply other threads:[~2026-10-22 15:31 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-22 15:31 Lars Rask [this message]
2026-10-22 15:31 ` [PATCH 1/2] drm/sitronix/st7571-spi: Add support for ST75156 controller Lars Rask
2026-10-22 15:31 ` [PATCH 2/2] dt-bindings: display: sitronix,st75156: add example for SPI Lars Rask
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