From: Rob Herring <robh@kernel.org>
To: Stephan Gerhold <stephan.gerhold@kernkonzept.com>
Cc: Andy Gross <agross@kernel.org>,
Konrad Dybcio <konrad.dybcio@linaro.org>,
linux-arm-msm@vger.kernel.org, Conor Dooley <conor+dt@kernel.org>,
linux-i2c@vger.kernel.org, Bjorn Andersson <andersson@kernel.org>,
devicetree@vger.kernel.org, Rob Herring <robh+dt@kernel.org>,
Andi Shyti <andi.shyti@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Wolfram Sang <wsa@kernel.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/3] dt-bindings: i2c: qcom,i2c-qup: Document power-domains
Date: Tue, 28 Nov 2023 11:50:43 -0600 [thread overview]
Message-ID: <170119384299.3558042.16570050685219683863.robh@kernel.org> (raw)
In-Reply-To: <20231128-i2c-qup-dvfs-v1-1-59a0e3039111@kernkonzept.com>
On Tue, 28 Nov 2023 10:48:35 +0100, Stephan Gerhold wrote:
> Similar to qcom,geni-i2c, for i2c-qup we need to vote for performance
> states on the VDDCX power domain to ensure that required clock rates
> can be generated correctly.
>
> I2C is typically used with a fixed clock rate, so a single required-opp
> is sufficient without a full OPP table (unlike spi-qup for example).
>
> Signed-off-by: Stephan Gerhold <stephan.gerhold@kernkonzept.com>
> ---
> Documentation/devicetree/bindings/i2c/qcom,i2c-qup.yaml | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
Reviewed-by: Rob Herring <robh@kernel.org>
next prev parent reply other threads:[~2023-11-28 17:50 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-28 9:48 [PATCH 0/3] i2c: qup: Allow scaling power domains and interconnect Stephan Gerhold
2023-11-28 9:48 ` [PATCH 1/3] dt-bindings: i2c: qcom,i2c-qup: Document power-domains Stephan Gerhold
2023-11-28 17:50 ` Rob Herring [this message]
2023-11-28 9:48 ` [PATCH 2/3] dt-bindings: i2c: qup: Document interconnects Stephan Gerhold
2023-11-28 17:51 ` Rob Herring
2023-11-28 9:48 ` [PATCH 3/3] i2c: qup: Vote for interconnect bandwidth to DRAM Stephan Gerhold
2023-11-28 19:17 ` Andi Shyti
2025-02-18 23:02 ` Andi Shyti
2025-02-18 23:13 ` Andi Shyti
2025-02-19 7:00 ` Krzysztof Kozlowski
2025-02-19 19:36 ` Andi Shyti
2025-02-19 10:40 ` Stephan Gerhold
2025-02-19 19:30 ` Andi Shyti
2025-02-20 9:47 ` Stephan Gerhold
2025-02-25 13:25 ` Konrad Dybcio
2025-02-26 22:11 ` [PATCH 0/3] i2c: qup: Allow scaling power domains and interconnect Andi Shyti
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