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From: Jie Luo <quic_luoj@quicinc.com>
To: Konrad Dybcio <konrad.dybcio@linaro.org>, <agross@kernel.org>,
	<andersson@kernel.org>, <davem@davemloft.net>,
	<edumazet@google.com>, <kuba@kernel.org>, <pabeni@redhat.com>,
	<robh+dt@kernel.org>, <krzysztof.kozlowski+dt@linaro.org>,
	<conor+dt@kernel.org>, <andrew@lunn.ch>, <hkallweit1@gmail.com>,
	<linux@armlinux.org.uk>, <robert.marko@sartura.hr>
Cc: <linux-arm-msm@vger.kernel.org>, <netdev@vger.kernel.org>,
	<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	<quic_srichara@quicinc.com>
Subject: Re: [PATCH 2/9] net: mdio: ipq4019: Enable the clocks for ipq5332 platform
Date: Tue, 21 Nov 2023 18:28:54 +0800	[thread overview]
Message-ID: <9acace07-d758-4d5d-8321-de75ee53355d@quicinc.com> (raw)
In-Reply-To: <10dc0fff-fc00-4c1f-97cf-30c5e5e8f983@linaro.org>



On 11/20/2023 10:22 PM, Konrad Dybcio wrote:
> On 15.11.2023 04:25, Luo Jie wrote:
>> For the platform ipq5332, the related GCC clocks need to be enabled
>> to make the GPIO reset of the MDIO slave devices taking effect.
>>
>> Signed-off-by: Luo Jie <quic_luoj@quicinc.com>
> [...]
> 
>>   static int ipq4019_mdio_wait_busy(struct mii_bus *bus)
>> @@ -212,6 +231,38 @@ static int ipq_mdio_reset(struct mii_bus *bus)
>>   	u32 val;
>>   	int ret;
>>   
>> +	/* For the platform ipq5332, there are two uniphy available to connect the
>> +	 * ethernet devices, the uniphy gcc clock should be enabled for resetting
>> +	 * the connected device such as qca8386 switch or qca8081 PHY effectively.
>> +	 */
>> +	if (of_device_is_compatible(bus->parent->of_node, "qcom,ipq5332-mdio")) {
> Would that not also be taken care of in the phy driver?
> 
> Konrad

Hi Konrad,
These clocks are the SOC clocks that is not related to the PHY type.
no matter what kind of PHY is connected, we also need to configure
these clocks.

  reply	other threads:[~2023-11-21 10:29 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-15  3:25 [PATCH 0/9] add MDIO changes on " Luo Jie
2023-11-15  3:25 ` [PATCH 1/9] net: mdio: ipq4019: increase eth_ldo_rdy for " Luo Jie
2023-11-15 13:44   ` Andrew Lunn
2023-11-16  9:35     ` Jie Luo
2023-11-16 11:57   ` Krzysztof Kozlowski
2023-11-17  9:56     ` Jie Luo
2023-11-15  3:25 ` [PATCH 2/9] net: mdio: ipq4019: Enable the clocks " Luo Jie
2023-11-20 14:22   ` Konrad Dybcio
2023-11-21 10:28     ` Jie Luo [this message]
2023-11-21 14:04       ` Andrew Lunn
2023-11-23 11:02         ` Jie Luo
2023-11-27  9:37   ` Simon Horman
2023-11-28  7:07     ` Jie Luo
2023-11-15  3:25 ` [PATCH 3/9] net: mdio: ipq4019: Enable GPIO reset " Luo Jie
2023-11-15 15:11   ` Andrew Lunn
2023-11-16 11:13     ` Jie Luo
2023-11-16 11:19       ` Robert Marko
2023-11-16 11:29         ` Jie Luo
2023-11-16 17:20       ` Andrew Lunn
2023-11-17  9:59         ` Jie Luo
2023-12-04  8:53         ` Jie Luo
2023-11-15  3:25 ` [PATCH 4/9] net: mdio: ipq4019: configure CMN PLL clock for ipq5332 Luo Jie
2023-11-15 15:19   ` Andrew Lunn
2023-11-16 10:48     ` Jie Luo
2023-11-22 20:24   ` Konrad Dybcio
2023-11-15  3:25 ` [PATCH 5/9] net: mdio: ipq4019: support MDIO clock frequency divider Luo Jie
2023-11-15 15:22   ` Andrew Lunn
2023-11-16 10:47     ` Jie Luo
2023-11-15  3:25 ` [PATCH 6/9] net: mdio: ipq4019: Support qca8084 switch register access Luo Jie
2023-11-15  3:25 ` [PATCH 7/9] net: mdio: ipq4019: program phy address when "fixup" defined Luo Jie
2023-11-15 16:17   ` Andrew Lunn
2023-11-16 11:17     ` Jie Luo
2023-11-15  3:25 ` [PATCH 8/9] net: mdio: ipq4019: add qca8084 configurations Luo Jie
2023-11-15 16:20   ` Andrew Lunn
2023-11-15 17:01     ` Konrad Dybcio
2023-11-15 17:03       ` Robert Marko
2023-11-16 10:45         ` Jie Luo
2023-11-16 17:08           ` Andrew Lunn
2023-11-17 10:05             ` Jie Luo
2023-11-16 10:44       ` Jie Luo
2023-11-16 10:47     ` Jie Luo
2023-11-16 17:12       ` Andrew Lunn
2023-11-17 10:15         ` Jie Luo
2023-11-15  3:25 ` [PATCH 9/9] dt-bindings: net: ipq4019-mdio: Document ipq5332 platform Luo Jie
2023-11-15  4:20   ` Rob Herring
2023-11-15 14:35   ` Andrew Lunn
2023-11-16 11:22     ` Jie Luo
2023-11-16 11:56   ` Krzysztof Kozlowski
2023-11-17 10:36     ` Jie Luo
2023-11-17 10:40       ` Krzysztof Kozlowski
2023-11-17 11:20         ` Jie Luo
2023-11-17 12:43           ` Krzysztof Kozlowski
2023-11-18  8:07             ` Jie Luo
2023-11-18 15:36               ` Andrew Lunn
2023-11-20  9:00                 ` Jie Luo

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