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From: Binbin Zhou <zhoubinbin@loongson.cn>
To: Wolfram Sang <wsa@kernel.org>,
	Wolfram Sang <wsa+renesas@sang-engineering.com>,
	Mika Westerberg <mika.westerberg@linux.intel.com>,
	linux-i2c@vger.kernel.org
Cc: loongarch@lists.linux.dev, linux-acpi@vger.kernel.org,
	WANG Xuerui <kernel@xen0n.name>,
	Jianmin Lv <lvjianmin@loongson.cn>,
	Binbin Zhou <zhoubinbin@loongson.cn>
Subject: [PATCH 0/5] i2c: ls2x: Add support for the Loongson-2K/LS7A I2C
Date: Thu, 22 Sep 2022 19:39:53 +0800	[thread overview]
Message-ID: <cover.1663835855.git.zhoubinbin@loongson.cn> (raw)

Hi all:

This patch series adds support for the I2C module found on various
Loongson systems with the Loongson-2K SoC or the Loongson LS7A bridge chip.

For now, the I2C driver is suitable for DT-based or ACPI-based systems.

BTW:
I have only tested on the Loongson-3A5000+LS7A1000/LS7A2000 under LoongArch
architecture.

Thanks.

Binbin Zhou (5):
  i2c: core: Pick i2c bus number from ACPI if present
  i2c: gpio: Add support on ACPI-based system
  dt-bindings: i2c: add bindings for Loongson LS2X I2C
  i2c: Add driver for Loongson-2K/LS7A I2C controller
  LoongArch: Enable LS2X I2C in loongson3_defconfig

 .../bindings/i2c/loongson,ls2x-i2c.yaml       |  48 +++
 arch/loongarch/configs/loongson3_defconfig    |   1 +
 drivers/i2c/busses/Kconfig                    |   7 +
 drivers/i2c/busses/Makefile                   |   1 +
 drivers/i2c/busses/i2c-gpio.c                 |  41 +-
 drivers/i2c/busses/i2c-ls2x.c                 | 364 ++++++++++++++++++
 drivers/i2c/i2c-core-base.c                   |  10 +-
 7 files changed, 470 insertions(+), 2 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/i2c/loongson,ls2x-i2c.yaml
 create mode 100644 drivers/i2c/busses/i2c-ls2x.c

-- 
2.31.1


             reply	other threads:[~2022-09-22 11:41 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-22 11:39 Binbin Zhou [this message]
2022-09-22 11:39 ` [PATCH 1/5] i2c: core: Pick i2c bus number from ACPI if present Binbin Zhou
2022-09-22 12:23   ` Mika Westerberg
2022-09-23  7:16     ` Huacai Chen
2022-09-23  8:55       ` Mika Westerberg
2022-09-22 12:29   ` Jinyang He
2022-09-22 18:48   ` kernel test robot
2022-09-22 18:58   ` kernel test robot
2022-09-22 11:39 ` [PATCH 2/5] i2c: gpio: Add support on ACPI-based system Binbin Zhou
2022-09-22 12:26   ` Mika Westerberg
2022-09-23 10:01     ` Binbin Zhou
2022-09-23 10:15       ` Mika Westerberg
2022-09-22 17:57   ` kernel test robot
2022-09-22 20:10   ` kernel test robot
2022-09-22 11:39 ` [PATCH 3/5] dt-bindings: i2c: add bindings for Loongson LS2X I2C Binbin Zhou
2022-09-22 11:39 ` [PATCH 4/5] i2c: Add driver for Loongson-2K/LS7A I2C controller Binbin Zhou
2022-09-23  2:26   ` kernel test robot
2022-09-22 11:39 ` [PATCH 5/5] LoongArch: Enable LS2X I2C in loongson3_defconfig Binbin Zhou

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