From: Dilip Kota <eswara.kota@linux.intel.com>
To: Rob Herring <robh@kernel.org>
Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
kishon@ti.com, andriy.shevchenko@intel.com,
cheol.yong.kim@intel.com, chuanhua.lei@linux.intel.com,
qi-ming.wu@intel.com, yixin.zhu@intel.com
Subject: Re: [PATCH v4 2/3] dt-bindings: phy: Add YAML schemas for Intel Combophy
Date: Tue, 3 Mar 2020 17:24:15 +0800 [thread overview]
Message-ID: <5b71670d-91a6-9760-f4da-1b6f014a1ea2@linux.intel.com> (raw)
In-Reply-To: <20200303015051.GA780@bogus>
On 3/3/2020 9:50 AM, Rob Herring wrote:
> On Mon, Mar 02, 2020 at 04:43:24PM +0800, Dilip Kota wrote:
>> Combophy subsystem provides PHY support to various
>> controllers, viz. PCIe, SATA and EMAC.
>> Adding YAML schemas for the same.
>>
>> Signed-off-by: Dilip Kota <eswara.kota@linux.intel.com>
>> ---
>> Changes on v4:
>> No changes.
...
>> +additionalProperties: false
>> +
>> +examples:
>> + - |
>> + #include <dt-bindings/phy/phy-intel-combophy.h>
>> + combophy@d0a00000 {
>> + compatible = "intel,combophy-lgm", "intel,combo-phy";
>> + clocks = <&cgu0 1>;
>> + reg = <0xd0a00000 0x40000>,
>> + <0xd0a40000 0x1000>;
>> + reg-names = "core", "app";
>> + resets = <&rcu0 0x50 6>,
>> + <&rcu0 0x50 17>;
>> + reset-names = "phy", "core";
>> + intel,syscfg = <&sysconf 0>;
>> + intel,hsio = <&hsiol 0>;
>> + intel,phy-mode = <COMBO_PHY_PCIE>;
>> +
>> + phy@0 {
> You need a 'reg' property to go with a unit-address.
>
> Really, I'd just simplify this to make parent 'resets' be 4 entries and
> put '#phy-cells = <1>;' in the parent. Then you don't need these child
> nodes.
If child nodes are not present, use case like PCIe controller-0 using
phy@0 and PCIe controller-1 using phy@1 wont be possible.
>
>> + compatible = "intel,phydev";
>> + #phy-cells = <0>;
>> + resets = <&rcu0 0x50 23>;
>> + };
>> +
>> + phy@1 {
>> + compatible = "intel,phydev";
>> + #phy-cells = <0>;
>> + resets = <&rcu0 0x50 24>;
>> + };
>> + };
>> diff --git a/include/dt-bindings/phy/phy-intel-combophy.h b/include/dt-bindings/phy/phy-intel-combophy.h
>> new file mode 100644
>> index 000000000000..bd7f6377f4ef
>> --- /dev/null
>> +++ b/include/dt-bindings/phy/phy-intel-combophy.h
>> @@ -0,0 +1,10 @@
>> +/* SPDX-License-Identifier: GPL-2.0 */
>> +
>> +#ifndef _DT_BINDINGS_INTEL_COMBOPHY
>> +#define _DT_BINDINGS_INTEL_COMBOPHY
>> +
>> +#define COMBO_PHY_PCIE 0
>> +#define COMBO_PHY_XPCS 1
>> +#define COMBO_PHY_SATA 2
> Use the PHY_TYPE_* defines we already have and extend as you need to.
Sure, will do the same.
Regards,
Dilip
>
>> +
>> +#endif /* _DT_BINDINGS_INTEL_COMBOPHY*/
>> --
>> 2.11.0
>>
next prev parent reply other threads:[~2020-03-03 9:24 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-02 8:43 [PATCH v4 0/3] Add Intel ComboPhy driver Dilip Kota
2020-03-02 8:43 ` [PATCH v4 1/3] mfd: syscon: Add fwnode_to_regmap Dilip Kota
2020-03-02 8:43 ` [PATCH v4 2/3] dt-bindings: phy: Add YAML schemas for Intel Combophy Dilip Kota
2020-03-03 1:50 ` Rob Herring
2020-03-03 9:24 ` Dilip Kota [this message]
2020-03-03 16:26 ` Rob Herring
2020-03-04 9:16 ` Dilip Kota
2020-03-13 8:36 ` Dilip Kota
2020-03-02 8:43 ` [PATCH v4 3/3] phy: intel: Add driver support for ComboPhy Dilip Kota
2020-03-02 11:19 ` Andy Shevchenko
2020-03-03 8:41 ` Dilip Kota
2020-03-03 10:07 ` Andy Shevchenko
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