[v2,0/2] riscv: spacemit: add i2c support to K1 SoC

Message ID	20241028053220.346283-1-TroyMitchell988@gmail.com
Headers	show Received: from mail-pl1-f195.google.com (mail-pl1-f195.google.com [209.85.214.195]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 98640170A14; Mon, 28 Oct 2024 05:32:33 +0000 (UTC) From: Troy Mitchell <troymitchell988@gmail.com> To: andi.shyti@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org Cc: troymitchell988@gmail.com, linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org Subject: [PATCH v2 0/2] riscv: spacemit: add i2c support to K1 SoC Date: Mon, 28 Oct 2024 13:32:18 +0800 Message-Id: <20241028053220.346283-1-TroyMitchell988@gmail.com> Precedence: bulk MIME-Version: 1.0 Content-Transfer-Encoding: 8bit
Series	riscv: spacemit: add i2c support to K1 SoC \| expand [v2,0/2] riscv: spacemit: add i2c support to K1 SoC [v2,2/2] i2c: spacemit: add support for SpacemiT K1 SoC

Message ID

20241028053220.346283-1-TroyMitchell988@gmail.com

Headers

From: Troy Mitchell <troymitchell988@gmail.com>
To: andi.shyti@kernel.org,
	robh@kernel.org,
	krzk+dt@kernel.org,
	conor+dt@kernel.org
Cc: troymitchell988@gmail.com,
	linux-i2c@vger.kernel.org,
	devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	linux-riscv@lists.infradead.org
Subject: [PATCH v2 0/2] riscv: spacemit: add i2c support to K1 SoC 
Date: Mon, 28 Oct 2024 13:32:18 +0800
Message-Id: <20241028053220.346283-1-TroyMitchell988@gmail.com>
Precedence: bulk
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit

Series

riscv: spacemit: add i2c support to K1 SoC | expand

Message

Troy Mitchell Oct. 28, 2024, 5:32 a.m. UTC

Hi all,

This patch implements I2C driver for the SpacemiT K1 SoC,
providing basic support for I2C read/write communication which
compatible with standard I2C bus specifications.

In this version, the driver defaults to use fast-speed-mode and
interrupts for transmission, and does not support DMA, high-speed mode, or FIFO.

The docs of I2C can be found here, in chapter 16.1 I2C [1]

Link: https://developer.spacemit.com/documentation?token=Rn9Kw3iFHirAMgkIpTAcV2Arnkf#part5 [1]

Troy Mitchell (2):
  dt-bindings: i2c: spacemit: add support for K1 SoC
  i2c: spacemit: add support for SpacemiT K1 SoC

 .../bindings/i2c/spacemit,k1-i2c.yaml         |  51 ++
 drivers/i2c/busses/Kconfig                    |  18 +
 drivers/i2c/busses/Makefile                   |   1 +
 drivers/i2c/busses/i2c-k1.c                   | 658 ++++++++++++++++++
 4 files changed, 728 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/i2c/spacemit,k1-i2c.yaml
 create mode 100644 drivers/i2c/busses/i2c-k1.c