From: Devarsh Thakkar <devarsht@ti.com>
To: Jai Luthra <j-luthra@ti.com>, Nishanth Menon <nm@ti.com>,
Vignesh Raghavendra <vigneshr@ti.com>,
Tero Kristo <kristo@kernel.org>, Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>
Cc: <linux-arm-kernel@lists.infradead.org>,
<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 3/5] arm64: dts: ti: k3-am62a7-sk: Drop i2c-1 to 100Khz
Date: Wed, 2 Aug 2023 13:09:12 +0530 [thread overview]
Message-ID: <ee725687-1b1a-3fdb-8aee-5ca49f59a874@ti.com> (raw)
In-Reply-To: <20230731-mcasp_am62a-v1-3-8bd137ffa8f1@ti.com>
On 31/07/23 18:14, Jai Luthra wrote:
> The TLV320AIC3106 audio codec is interfaced on the i2c-1 bus. With the
> default rate of 400Khz the i2c register writes fail to sync:
>
> [ 36.026387] tlv320aic3x 1-001b: Unable to sync registers 0x16-0x16. -110
> [ 38.101130] omap_i2c 20010000.i2c: controller timed out
>
> Dropping the rate to 100Khz fixes the issue.
>
> Signed-off-by: Jai Luthra <j-luthra@ti.com>
Reviewed-by: Devarsh Thakkar <devarsht@ti.com>
> ---
> arch/arm64/boot/dts/ti/k3-am62a7-sk.dts | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
> index 9d34b8fe4ecb..752c2f640f63 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
> +++ b/arch/arm64/boot/dts/ti/k3-am62a7-sk.dts
> @@ -338,7 +338,7 @@ &main_i2c1 {
> status = "okay";
> pinctrl-names = "default";
> pinctrl-0 = <&main_i2c1_pins_default>;
> - clock-frequency = <400000>;
> + clock-frequency = <100000>;
>
> exp1: gpio@22 {
> compatible = "ti,tca6424";
next prev parent reply other threads:[~2023-08-02 7:42 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-31 12:44 [PATCH 0/5] arm64: ti: Enable audio on AM62A Jai Luthra
2023-07-31 12:44 ` [PATCH 1/5] arm64: dts: ti: k3-am62a-main: Add nodes for McASP Jai Luthra
2023-08-02 7:38 ` Devarsh Thakkar
2023-07-31 12:44 ` [PATCH 2/5] arm64: dts: ti: k3-am62a7-sk: Split vcc_3v3 regulators Jai Luthra
2023-07-31 12:44 ` [PATCH 3/5] arm64: dts: ti: k3-am62a7-sk: Drop i2c-1 to 100Khz Jai Luthra
2023-08-02 7:39 ` Devarsh Thakkar [this message]
2023-07-31 12:44 ` [PATCH 4/5] arm64: dts: ti: k3-am62a7-sk: Enable audio on AM62A Jai Luthra
2023-08-02 10:45 ` Devarsh Thakkar
2023-08-02 11:40 ` Jai Luthra
2023-08-02 13:35 ` Nishanth Menon
2023-08-02 14:39 ` Devarsh Thakkar
2023-08-03 5:42 ` Jai Luthra
2023-07-31 12:44 ` [PATCH 5/5] arm64: defconfig: Enable TPS6593 PMIC for SK-AM62A Jai Luthra
2023-08-02 10:46 ` Devarsh Thakkar
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