[PATCH 2/3] arm64: dts: amlogic: add some device nodes for C3
Krzysztof Kozlowski
krzk at kernel.org
Tue Aug 6 23:38:54 PDT 2024
On 07/08/2024 07:54, Xianwei Zhao wrote:
> Hi Krzysztof,
> Thanks for your reply.
>
> On 2024/8/6 21:13, Krzysztof Kozlowski wrote:
>> [ EXTERNAL EMAIL ]
>>
>> On 06/08/2024 12:27, Xianwei Zhao via B4 Relay wrote:
>>> From: Xianwei Zhao <xianwei.zhao at amlogic.com>
>>>
>>> Add some device nodes for SoC C3, including periphs clock controller
>>> node, PLL clock controller node, SPICC node, regulator node, NAND
>>> controller node, sdcard node, Ethernet MAC and PHY node.
>>>
>>> Signed-off-by: Xianwei Zhao <xianwei.zhao at amlogic.com>
>>> ---
>>> .../boot/dts/amlogic/amlogic-c3-c302x-aw409.dts | 249 +++++++++++
>>> arch/arm64/boot/dts/amlogic/amlogic-c3.dtsi | 487 ++++++++++++++++++++-
>>> 2 files changed, 735 insertions(+), 1 deletion(-)
>>>
>>
>>
>> ...
>>
>>
>>> +
>>> + sd: mmc at 8a000 {
>>> + compatible = "amlogic,meson-axg-mmc";
>>> + reg = <0x0 0x8a000 0x0 0x800>;
>>> + interrupts = <GIC_SPI 177 IRQ_TYPE_EDGE_RISING>;
>>> + power-domains = <&pwrc PWRC_C3_SDCARD_ID>;
>>> + clocks = <&clkc_periphs CLKID_SYS_SD_EMMC_B>,
>>> + <&clkc_periphs CLKID_SD_EMMC_B>,
>>> + <&clkc_pll CLKID_FCLK_DIV2>;
>>> + clock-names = "core", "clkin0", "clkin1";
>>> + no-mmc;
>>> + no-sdio;
>>
>> Hm? Why are these blocks incomplete that they do not handle SDIO? Aren't
>> you putting board properties into SoC?
>> The sdacrd (mmc at 8a000) depends on regulator and pinctrl(select), So some
> property fields are placed at the board level. The SDIO is connect with
> the firmware (wifi&bt). Now I'll remove SDIO implementation and wait
> until later to submit it with the firmware.
My comment applied to all your nodes.
Best regards,
Krzysztof
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