From: Pierre Yves MORDRET <pierre-yves.mordret@st.com>
To: Bich HEMON <bich.hemon@st.com>, Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
Alexandre TORGUE <alexandre.torgue@st.com>,
Wolfram Sang <wsa@the-dreams.de>,
"linux-i2c@vger.kernel.org" <linux-i2c@vger.kernel.org>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"linux-stm32@st-md-mailman.stormreply.com"
<linux-stm32@st-md-mailman.stormreply.com>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 2/2] dt-bindings: i2c-stm32: update optional properties for stm32h7/stm32mp1
Date: Thu, 21 Mar 2019 09:28:52 +0100 [thread overview]
Message-ID: <678d91ed-ffda-878e-feea-40a2f3e32295@st.com> (raw)
In-Reply-To: <1551885100-22207-3-git-send-email-bich.hemon@st.com>
Reviewed-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
On 3/6/19 4:11 PM, Bich HEMON wrote:
> Add STM32H7 and STM32MP1 in the list of compatible socs for each
> optional property.
>
> Signed-off-by: Bich Hemon <bich.hemon@st.com>
> ---
> Documentation/devicetree/bindings/i2c/i2c-stm32.txt | 17 +++++++++--------
> 1 file changed, 9 insertions(+), 8 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/i2c/i2c-stm32.txt b/Documentation/devicetree/bindings/i2c/i2c-stm32.txt
> index 7d054f1..f334738 100644
> --- a/Documentation/devicetree/bindings/i2c/i2c-stm32.txt
> +++ b/Documentation/devicetree/bindings/i2c/i2c-stm32.txt
> @@ -19,18 +19,19 @@ Optional properties:
> the default 100 kHz frequency will be used.
> For STM32F4 SoC Standard-mode and Fast-mode are supported, possible values are
> 100000 and 400000.
> - For STM32F7 SoC, Standard-mode, Fast-mode and Fast-mode Plus are supported,
> - possible values are 100000, 400000 and 1000000.
> -- i2c-scl-rising-time-ns: Only for STM32F7, I2C SCL Rising time for the board
> - (default: 25)
> -- i2c-scl-falling-time-ns: Only for STM32F7, I2C SCL Falling time for the board
> - (default: 10)
> + For STM32F7, STM32H7 and STM32MP1 SoCs, Standard-mode, Fast-mode and Fast-mode
> + Plus are supported, possible values are 100000, 400000 and 1000000.
> +- i2c-scl-rising-time-ns: I2C SCL Rising time for the board (default: 25)
> + For STM32F7, STM32H7 and STM32MP1 only.
> +- i2c-scl-falling-time-ns: I2C SCL Falling time for the board (default: 10)
> + For STM32F7, STM32H7 and STM32MP1 only.
> I2C Timings are derived from these 2 values
> -- st,syscfg-fmp: Only for STM32F7, use to set Fast Mode Plus bit within SYSCFG
> - whether Fast Mode Plus speed is selected by slave.
> +- st,syscfg-fmp: Use to set Fast Mode Plus bit within SYSCFG when Fast Mode
> + Plus speed is selected by slave.
> 1st cell: phandle to syscfg
> 2nd cell: register offset within SYSCFG
> 3rd cell: register bitmask for FMP bit
> + For STM32F7, STM32H7 and STM32MP1 only.
>
> Example:
>
>
next prev parent reply other threads:[~2019-03-21 8:28 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-06 15:11 [PATCH 0/2] Patches for i2c-stm32 device tree bindings Bich HEMON
2019-03-06 15:11 ` [PATCH 2/2] dt-bindings: i2c-stm32: update optional properties for stm32h7/stm32mp1 Bich HEMON
2019-03-21 8:28 ` Pierre Yves MORDRET [this message]
2019-03-24 22:15 ` Wolfram Sang
2019-03-06 15:11 ` [PATCH 1/2] dt-bindings: i2c-stm32: remove extra spaces Bich HEMON
2019-03-21 8:28 ` Pierre Yves MORDRET
2019-03-24 22:15 ` Wolfram Sang
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