From: Linus Walleij <linus.walleij@linaro.org>
To: "Théo Lebrun" <theo.lebrun@bootlin.com>
Cc: Andi Shyti <andi.shyti@kernel.org>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
linux-arm-kernel@lists.infradead.org, linux-i2c@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-mips@vger.kernel.org,
Gregory Clement <gregory.clement@bootlin.com>,
Vladimir Kondratiev <vladimir.kondratiev@mobileye.com>,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
Tawfik Bayouk <tawfik.bayouk@mobileye.com>
Subject: Re: [PATCH v2 09/11] i2c: nomadik: support Mobileye EyeQ5 I2C controller
Date: Thu, 29 Feb 2024 22:08:51 +0100 [thread overview]
Message-ID: <CACRpkdbaRy-=p63Hq=ykSUeQ-R2S=DjqSBV6-GQWK4BRJNy+iA@mail.gmail.com> (raw)
In-Reply-To: <20240229-mbly-i2c-v2-9-b32ed18c098c@bootlin.com>
On Thu, Feb 29, 2024 at 7:10 PM Théo Lebrun <theo.lebrun@bootlin.com> wrote:
> Add compatible for the integration of the same DB8500 IP block into the
> Mobileye EyeQ5 platform. Two quirks are present:
>
> - The memory bus only supports 32-bit accesses. Avoid writeb() and
> readb() by introducing helper functions that fallback to writel()
> and readl().
>
> - A register must be configured for the I2C speed mode; it is located
> in a shared register region called OLB. We access that memory region
> using a syscon & regmap that gets passed as a phandle (mobileye,olb).
>
> A two-bit enum per controller is written into the register; that
> requires us to know the global index of the I2C controller (cell arg
> to the mobileye,olb phandle).
>
> We add #include <linux/mfd/syscon.h> and <linux/regmap.h> and sort
> headers.
>
> Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Yours,
Linus Walleij
next prev parent reply other threads:[~2024-02-29 21:09 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-29 18:10 [PATCH v2 00/11] Add Mobileye EyeQ5 support to the Nomadik I2C controller & use hrtimers for timeouts Théo Lebrun
2024-02-29 18:10 ` [PATCH v2 01/11] dt-bindings: i2c: nomadik: add mobileye,eyeq5-i2c bindings and example Théo Lebrun
2024-02-29 19:26 ` Rob Herring
2024-03-01 15:11 ` Rob Herring
2024-03-01 15:47 ` Théo Lebrun
2024-02-29 18:10 ` [PATCH v2 02/11] dt-bindings: hwmon: lm75: use common hwmon schema Théo Lebrun
2024-02-29 19:26 ` Rob Herring
2024-03-01 6:37 ` Krzysztof Kozlowski
2024-03-01 6:53 ` Guenter Roeck
2024-03-01 9:41 ` Théo Lebrun
2024-03-01 10:13 ` Krzysztof Kozlowski
2024-03-01 10:44 ` Théo Lebrun
2024-03-01 11:35 ` Krzysztof Kozlowski
2024-03-01 14:09 ` Théo Lebrun
2024-03-01 14:13 ` Krzysztof Kozlowski
2024-03-01 15:35 ` Rob Herring
2024-03-01 15:52 ` Théo Lebrun
2024-03-01 15:38 ` Rob Herring
2024-03-01 19:21 ` Guenter Roeck
2024-02-29 18:10 ` [PATCH v2 03/11] i2c: nomadik: rename private struct pointers from dev to priv Théo Lebrun
2024-03-02 0:16 ` [SPAM] " Andi Shyti
2024-03-04 9:13 ` Wolfram Sang
2024-02-29 18:10 ` [PATCH v2 04/11] i2c: nomadik: simplify IRQ masking logic Théo Lebrun
2024-03-02 0:39 ` [SPAM] " Andi Shyti
2024-03-04 9:46 ` Théo Lebrun
2024-02-29 18:10 ` [PATCH v2 05/11] i2c: nomadik: use bitops helpers Théo Lebrun
2024-03-02 1:31 ` Andi Shyti
2024-03-04 10:00 ` Théo Lebrun
2024-02-29 18:10 ` [PATCH v2 06/11] i2c: nomadik: support short xfer timeouts using waitqueue & hrtimer Théo Lebrun
2024-03-04 9:18 ` Wolfram Sang
2024-03-04 10:14 ` Théo Lebrun
2024-03-04 11:37 ` Wolfram Sang
2024-03-04 13:54 ` [SPAM] " Andi Shyti
2024-03-04 14:32 ` Théo Lebrun
2024-03-04 15:09 ` Andi Shyti
2024-02-29 18:10 ` [PATCH v2 07/11] i2c: nomadik: replace jiffies by ktime for FIFO flushing timeout Théo Lebrun
2024-03-04 9:23 ` Wolfram Sang
2024-03-04 13:55 ` Andi Shyti
2024-02-29 18:10 ` [PATCH v2 08/11] i2c: nomadik: fetch i2c-transfer-timeout-us property from devicetree Théo Lebrun
2024-02-29 21:04 ` Linus Walleij
2024-03-04 9:25 ` Wolfram Sang
2024-03-04 13:57 ` Andi Shyti
2024-02-29 18:10 ` [PATCH v2 09/11] i2c: nomadik: support Mobileye EyeQ5 I2C controller Théo Lebrun
2024-02-29 21:08 ` Linus Walleij [this message]
2024-03-04 9:27 ` Wolfram Sang
2024-03-04 10:25 ` Théo Lebrun
2024-03-04 14:08 ` Andi Shyti
2024-03-04 14:53 ` Théo Lebrun
2024-02-29 18:10 ` [PATCH v2 10/11] MIPS: mobileye: eyeq5: add 5 I2C controller nodes Théo Lebrun
2024-02-29 21:09 ` Linus Walleij
2024-02-29 18:10 ` [PATCH v2 11/11] MIPS: mobileye: eyeq5: add evaluation board I2C temp sensor Théo Lebrun
2024-02-29 21:09 ` Linus Walleij
2024-03-06 1:49 ` [PATCH v2 00/11] Add Mobileye EyeQ5 support to the Nomadik I2C controller & use hrtimers for timeouts Andi Shyti
2024-03-06 9:34 ` Théo Lebrun
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