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Message-ID: <768067ff-cd69-4a55-aa5a-fc1eae5c1116@foss.st.com>
Date: Fri, 9 Feb 2024 10:46:14 +0100
From: Gabriel FERNANDEZ <gabriel.fernandez@...s.st.com>
To: Conor Dooley <conor@...nel.org>
CC: Michael Turquette <mturquette@...libre.com>,
Stephen Boyd
<sboyd@...nel.org>, Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski
<krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Maxime Coquelin <mcoquelin.stm32@...il.com>,
Alexandre Torgue
<alexandre.torgue@...s.st.com>,
Philipp Zabel <p.zabel@...gutronix.de>, <linux-clk@...r.kernel.org>,
<devicetree@...r.kernel.org>,
<linux-stm32@...md-mailman.stormreply.com>,
<linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v9 2/4] dt-bindings: stm32: update DT bingding for
stm32mp25
Hi Conor,
Thank's for your review.
Yes, I have checked that point. I have also written the RCC driver for
TFA/OPTE/UBOOT and once
I receive Ack in the Kernel, I will upstream the other components.
Best Regards
Gabriel
On 2/8/24 19:06, Conor Dooley wrote:
> On Thu, Feb 08, 2024 at 03:22:59PM +0100, gabriel.fernandez@...s.st.com wrote:
>> From: Gabriel Fernandez <gabriel.fernandez@...s.st.com>
>>
>> Now RCC driver use '.index' of clk_parent_data struct to define a parent.
> The RCC driver in linux might have stopped using the names, but they
> were a required property that could be replied upon by other software
> too. Have you checked U-Boot or *BSD etc to make sure clock-names are
> not used there?
>
> Thanks,
> Conor.
>
>> The majority of parents are SCMI clocks, then dt-bindings must be fixed.
>>
>> Fixes: b5be49db3d47 ("dt-bindings: stm32: add clocks and reset binding for stm32mp25 platform")
>>
>> Signed-off-by: Gabriel Fernandez <gabriel.fernandez@...s.st.com>
>> ---
>> .../bindings/clock/st,stm32mp25-rcc.yaml | 171 ++++++++++++++++--
>> 1 file changed, 155 insertions(+), 16 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/clock/st,stm32mp25-rcc.yaml b/Documentation/devicetree/bindings/clock/st,stm32mp25-rcc.yaml
>> index 7732e79a42b9..57bd4e7157bd 100644
>> --- a/Documentation/devicetree/bindings/clock/st,stm32mp25-rcc.yaml
>> +++ b/Documentation/devicetree/bindings/clock/st,stm32mp25-rcc.yaml
>> @@ -38,22 +38,87 @@ properties:
>> - description: CK_SCMI_MSI Low Power Internal oscillator (~ 4 MHz or ~ 16 MHz)
>> - description: CK_SCMI_LSE Low Speed External oscillator (32 KHz)
>> - description: CK_SCMI_LSI Low Speed Internal oscillator (~ 32 KHz)
>> -
>> - clock-names:
>> - items:
>> - - const: hse
>> - - const: hsi
>> - - const: msi
>> - - const: lse
>> - - const: lsi
>> -
>> + - description: CK_SCMI_HSE_DIV2 CK_SCMI_HSE divided by 2 (coud be gated)
>> + - description: CK_SCMI_ICN_HS_MCU High Speed interconnect bus clock
>> + - description: CK_SCMI_ICN_LS_MCU Low Speed interconnect bus clock
>> + - description: CK_SCMI_ICN_SDMMC SDMMC interconnect bus clock
>> + - description: CK_SCMI_ICN_DDR DDR interconnect bus clock
>> + - description: CK_SCMI_ICN_DISPLAY Display interconnect bus clock
>> + - description: CK_SCMI_ICN_HSL HSL interconnect bus clock
>> + - description: CK_SCMI_ICN_NIC NIC interconnect bus clock
>> + - description: CK_SCMI_ICN_VID Video interconnect bus clock
>> + - description: CK_SCMI_FLEXGEN_07 flexgen clock 7
>> + - description: CK_SCMI_FLEXGEN_08 flexgen clock 8
>> + - description: CK_SCMI_FLEXGEN_09 flexgen clock 9
>> + - description: CK_SCMI_FLEXGEN_10 flexgen clock 10
>> + - description: CK_SCMI_FLEXGEN_11 flexgen clock 11
>> + - description: CK_SCMI_FLEXGEN_12 flexgen clock 12
>> + - description: CK_SCMI_FLEXGEN_13 flexgen clock 13
>> + - description: CK_SCMI_FLEXGEN_14 flexgen clock 14
>> + - description: CK_SCMI_FLEXGEN_15 flexgen clock 15
>> + - description: CK_SCMI_FLEXGEN_16 flexgen clock 16
>> + - description: CK_SCMI_FLEXGEN_17 flexgen clock 17
>> + - description: CK_SCMI_FLEXGEN_18 flexgen clock 18
>> + - description: CK_SCMI_FLEXGEN_19 flexgen clock 19
>> + - description: CK_SCMI_FLEXGEN_20 flexgen clock 20
>> + - description: CK_SCMI_FLEXGEN_21 flexgen clock 21
>> + - description: CK_SCMI_FLEXGEN_22 flexgen clock 22
>> + - description: CK_SCMI_FLEXGEN_23 flexgen clock 23
>> + - description: CK_SCMI_FLEXGEN_24 flexgen clock 24
>> + - description: CK_SCMI_FLEXGEN_25 flexgen clock 25
>> + - description: CK_SCMI_FLEXGEN_26 flexgen clock 26
>> + - description: CK_SCMI_FLEXGEN_27 flexgen clock 27
>> + - description: CK_SCMI_FLEXGEN_28 flexgen clock 28
>> + - description: CK_SCMI_FLEXGEN_29 flexgen clock 29
>> + - description: CK_SCMI_FLEXGEN_30 flexgen clock 30
>> + - description: CK_SCMI_FLEXGEN_31 flexgen clock 31
>> + - description: CK_SCMI_FLEXGEN_32 flexgen clock 32
>> + - description: CK_SCMI_FLEXGEN_33 flexgen clock 33
>> + - description: CK_SCMI_FLEXGEN_34 flexgen clock 34
>> + - description: CK_SCMI_FLEXGEN_35 flexgen clock 35
>> + - description: CK_SCMI_FLEXGEN_36 flexgen clock 36
>> + - description: CK_SCMI_FLEXGEN_37 flexgen clock 37
>> + - description: CK_SCMI_FLEXGEN_38 flexgen clock 38
>> + - description: CK_SCMI_FLEXGEN_39 flexgen clock 39
>> + - description: CK_SCMI_FLEXGEN_40 flexgen clock 40
>> + - description: CK_SCMI_FLEXGEN_41 flexgen clock 41
>> + - description: CK_SCMI_FLEXGEN_42 flexgen clock 42
>> + - description: CK_SCMI_FLEXGEN_43 flexgen clock 43
>> + - description: CK_SCMI_FLEXGEN_44 flexgen clock 44
>> + - description: CK_SCMI_FLEXGEN_45 flexgen clock 45
>> + - description: CK_SCMI_FLEXGEN_46 flexgen clock 46
>> + - description: CK_SCMI_FLEXGEN_47 flexgen clock 47
>> + - description: CK_SCMI_FLEXGEN_48 flexgen clock 48
>> + - description: CK_SCMI_FLEXGEN_49 flexgen clock 49
>> + - description: CK_SCMI_FLEXGEN_50 flexgen clock 50
>> + - description: CK_SCMI_FLEXGEN_51 flexgen clock 51
>> + - description: CK_SCMI_FLEXGEN_52 flexgen clock 52
>> + - description: CK_SCMI_FLEXGEN_53 flexgen clock 53
>> + - description: CK_SCMI_FLEXGEN_54 flexgen clock 54
>> + - description: CK_SCMI_FLEXGEN_55 flexgen clock 55
>> + - description: CK_SCMI_FLEXGEN_56 flexgen clock 56
>> + - description: CK_SCMI_FLEXGEN_57 flexgen clock 57
>> + - description: CK_SCMI_FLEXGEN_58 flexgen clock 58
>> + - description: CK_SCMI_FLEXGEN_59 flexgen clock 59
>> + - description: CK_SCMI_FLEXGEN_60 flexgen clock 60
>> + - description: CK_SCMI_FLEXGEN_61 flexgen clock 61
>> + - description: CK_SCMI_FLEXGEN_62 flexgen clock 62
>> + - description: CK_SCMI_FLEXGEN_63 flexgen clock 63
>> + - description: CK_SCMI_ICN_APB1 Peripheral bridge 1
>> + - description: CK_SCMI_ICN_APB2 Peripheral bridge 2
>> + - description: CK_SCMI_ICN_APB3 Peripheral bridge 3
>> + - description: CK_SCMI_ICN_APB4 Peripheral bridge 4
>> + - description: CK_SCMI_ICN_APBDBG Peripheral bridge for degub
>> + - description: CK_SCMI_TIMG1 Peripheral bridge for timer1
>> + - description: CK_SCMI_TIMG2 Peripheral bridge for timer2
>> + - description: CK_SCMI_PLL3 PLL3 clock
>> + - description: clk_dsi_txbyte DSI byte clock
>> required:
>> - compatible
>> - reg
>> - '#clock-cells'
>> - '#reset-cells'
>> - clocks
>> - - clock-names
>>
>> additionalProperties: false
>>
>> @@ -66,11 +131,85 @@ examples:
>> reg = <0x44200000 0x10000>;
>> #clock-cells = <1>;
>> #reset-cells = <1>;
>> - clock-names = "hse", "hsi", "msi", "lse", "lsi";
>> - clocks = <&scmi_clk CK_SCMI_HSE>,
>> - <&scmi_clk CK_SCMI_HSI>,
>> - <&scmi_clk CK_SCMI_MSI>,
>> - <&scmi_clk CK_SCMI_LSE>,
>> - <&scmi_clk CK_SCMI_LSI>;
>> + clocks = <&scmi_clk CK_SCMI_HSE>,
>> + <&scmi_clk CK_SCMI_HSI>,
>> + <&scmi_clk CK_SCMI_MSI>,
>> + <&scmi_clk CK_SCMI_LSE>,
>> + <&scmi_clk CK_SCMI_LSI>,
>> + <&scmi_clk CK_SCMI_HSE_DIV2>,
>> + <&scmi_clk CK_SCMI_ICN_HS_MCU>,
>> + <&scmi_clk CK_SCMI_ICN_LS_MCU>,
>> + <&scmi_clk CK_SCMI_ICN_SDMMC>,
>> + <&scmi_clk CK_SCMI_ICN_DDR>,
>> + <&scmi_clk CK_SCMI_ICN_DISPLAY>,
>> + <&scmi_clk CK_SCMI_ICN_HSL>,
>> + <&scmi_clk CK_SCMI_ICN_NIC>,
>> + <&scmi_clk CK_SCMI_ICN_VID>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_07>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_08>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_09>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_10>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_11>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_12>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_13>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_14>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_15>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_16>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_17>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_18>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_19>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_20>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_21>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_22>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_23>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_24>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_25>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_26>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_27>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_28>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_29>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_30>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_31>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_32>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_33>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_34>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_35>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_36>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_37>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_38>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_39>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_40>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_41>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_42>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_43>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_44>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_45>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_46>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_47>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_48>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_49>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_50>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_51>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_52>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_53>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_54>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_55>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_56>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_57>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_58>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_59>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_60>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_61>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_62>,
>> + <&scmi_clk CK_SCMI_FLEXGEN_63>,
>> + <&scmi_clk CK_SCMI_ICN_APB1>,
>> + <&scmi_clk CK_SCMI_ICN_APB2>,
>> + <&scmi_clk CK_SCMI_ICN_APB3>,
>> + <&scmi_clk CK_SCMI_ICN_APB4>,
>> + <&scmi_clk CK_SCMI_ICN_APBDBG>,
>> + <&scmi_clk CK_SCMI_TIMG1>,
>> + <&scmi_clk CK_SCMI_TIMG2>,
>> + <&scmi_clk CK_SCMI_PLL3>,
>> + <&clk_dsi_txbyte>;
>> };
>> ...
>> --
>> 2.25.1
>>
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