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Date:   Wed, 27 Nov 2019 09:06:24 -0800
From:   Sowjanya Komatineni <skomatineni@...dia.com>
To:     Dmitry Osipenko <digetx@...il.com>, <thierry.reding@...il.com>,
        <jonathanh@...dia.com>, <mperttunen@...dia.com>,
        <gregkh@...uxfoundation.org>, <sboyd@...nel.org>,
        <tglx@...utronix.de>, <robh+dt@...nel.org>, <mark.rutland@....com>
CC:     <allison@...utok.net>, <pdeschrijver@...dia.com>,
        <pgaikwad@...dia.com>, <mturquette@...libre.com>,
        <horms+renesas@...ge.net.au>, <Jisheng.Zhang@...aptics.com>,
        <krzk@...nel.org>, <arnd@...db.de>, <spujar@...dia.com>,
        <josephl@...dia.com>, <vidyas@...dia.com>,
        <daniel.lezcano@...aro.org>, <mmaddireddy@...dia.com>,
        <markz@...dia.com>, <devicetree@...r.kernel.org>,
        <linux-clk@...r.kernel.org>, <linux-tegra@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 06/11] dt-bindings: clock: tegra: Remove pmc clock ids
 from clock dt-bindings


On 11/27/19 6:32 AM, Dmitry Osipenko wrote:
> 27.11.2019 07:59, Sowjanya Komatineni пишет:
>> clk_out_1, clk_out_2, clk_out_3, blink are part of Tegra pmc clocks.
>>
>> This patch removes ids for these clocks from Tegra clock dt-bindings.
>>
>> Signed-off-by: Sowjanya Komatineni <skomatineni@...dia.com>
>> ---
>>   include/dt-bindings/clock/tegra114-car.h        | 14 +++++++-------
>>   include/dt-bindings/clock/tegra124-car-common.h | 14 +++++++-------
>>   include/dt-bindings/clock/tegra20-car.h         |  2 +-
>>   include/dt-bindings/clock/tegra210-car.h        | 14 +++++++-------
>>   include/dt-bindings/clock/tegra30-car.h         | 14 +++++++-------
>>   5 files changed, 29 insertions(+), 29 deletions(-)
>>
>> diff --git a/include/dt-bindings/clock/tegra114-car.h b/include/dt-bindings/clock/tegra114-car.h
>> index bb5c2c999c05..9175cd0571b5 100644
>> --- a/include/dt-bindings/clock/tegra114-car.h
>> +++ b/include/dt-bindings/clock/tegra114-car.h
>> @@ -270,10 +270,10 @@
>>   #define TEGRA114_CLK_AUDIO3 242
>>   #define TEGRA114_CLK_AUDIO4 243
>>   #define TEGRA114_CLK_SPDIF 244
>> -#define TEGRA114_CLK_CLK_OUT_1 245
>> -#define TEGRA114_CLK_CLK_OUT_2 246
>> -#define TEGRA114_CLK_CLK_OUT_3 247
>> -#define TEGRA114_CLK_BLINK 248
>> +/* 245 */
>> +/* 246 */
>> +/* 247 */
>> +/* 248 */
>>   /* 249 */
>>   /* 250 */
>>   /* 251 */
>> @@ -333,9 +333,9 @@
>>   #define TEGRA114_CLK_AUDIO3_MUX 303
>>   #define TEGRA114_CLK_AUDIO4_MUX 304
>>   #define TEGRA114_CLK_SPDIF_MUX 305
>> -#define TEGRA114_CLK_CLK_OUT_1_MUX 306
>> -#define TEGRA114_CLK_CLK_OUT_2_MUX 307
>> -#define TEGRA114_CLK_CLK_OUT_3_MUX 308
>> +/* 306 */
>> +/* 307 */
>> +/* 308 */
>>   #define TEGRA114_CLK_DSIA_MUX 309
>>   #define TEGRA114_CLK_DSIB_MUX 310
>>   #define TEGRA114_CLK_XUSB_SS_DIV2 311
>> diff --git a/include/dt-bindings/clock/tegra124-car-common.h b/include/dt-bindings/clock/tegra124-car-common.h
>> index 0c4f5be0a742..90a0c5e7eb5f 100644
>> --- a/include/dt-bindings/clock/tegra124-car-common.h
>> +++ b/include/dt-bindings/clock/tegra124-car-common.h
>> @@ -269,10 +269,10 @@
>>   #define TEGRA124_CLK_AUDIO3 242
>>   #define TEGRA124_CLK_AUDIO4 243
>>   #define TEGRA124_CLK_SPDIF 244
>> -#define TEGRA124_CLK_CLK_OUT_1 245
>> -#define TEGRA124_CLK_CLK_OUT_2 246
>> -#define TEGRA124_CLK_CLK_OUT_3 247
>> -#define TEGRA124_CLK_BLINK 248
>> +/* 245 */
>> +/* 246 */
>> +/* 247 */
>> +/* 248 */
>>   /* 249 */
>>   /* 250 */
>>   /* 251 */
>> @@ -332,9 +332,9 @@
>>   #define TEGRA124_CLK_AUDIO3_MUX 303
>>   #define TEGRA124_CLK_AUDIO4_MUX 304
>>   #define TEGRA124_CLK_SPDIF_MUX 305
>> -#define TEGRA124_CLK_CLK_OUT_1_MUX 306
>> -#define TEGRA124_CLK_CLK_OUT_2_MUX 307
>> -#define TEGRA124_CLK_CLK_OUT_3_MUX 308
>> +/* 306 */
>> +/* 307 */
>> +/* 308 */
>>   /* 309 */
>>   /* 310 */
>>   #define TEGRA124_CLK_SOR0_LVDS 311 /* deprecated */
>> diff --git a/include/dt-bindings/clock/tegra20-car.h b/include/dt-bindings/clock/tegra20-car.h
>> index b21a0eb32921..fe541f627965 100644
>> --- a/include/dt-bindings/clock/tegra20-car.h
>> +++ b/include/dt-bindings/clock/tegra20-car.h
>> @@ -131,7 +131,7 @@
>>   #define TEGRA20_CLK_CCLK 108
>>   #define TEGRA20_CLK_HCLK 109
>>   #define TEGRA20_CLK_PCLK 110
>> -#define TEGRA20_CLK_BLINK 111
>> +/* 111 */
>>   #define TEGRA20_CLK_PLL_A 112
>>   #define TEGRA20_CLK_PLL_A_OUT0 113
>>   #define TEGRA20_CLK_PLL_C 114
>> diff --git a/include/dt-bindings/clock/tegra210-car.h b/include/dt-bindings/clock/tegra210-car.h
>> index 44f60623f99b..a3d8d3e75728 100644
>> --- a/include/dt-bindings/clock/tegra210-car.h
>> +++ b/include/dt-bindings/clock/tegra210-car.h
>> @@ -304,10 +304,10 @@
>>   #define TEGRA210_CLK_AUDIO3 274
>>   #define TEGRA210_CLK_AUDIO4 275
>>   #define TEGRA210_CLK_SPDIF 276
>> -#define TEGRA210_CLK_CLK_OUT_1 277
>> -#define TEGRA210_CLK_CLK_OUT_2 278
>> -#define TEGRA210_CLK_CLK_OUT_3 279
>> -#define TEGRA210_CLK_BLINK 280
>> +/* 277 */
>> +/* 278 */
>> +/* 279 */
>> +/* 280 */
>>   #define TEGRA210_CLK_SOR0_LVDS 281 /* deprecated */
>>   #define TEGRA210_CLK_SOR0_OUT 281
>>   #define TEGRA210_CLK_SOR1_OUT 282
>> @@ -386,9 +386,9 @@
>>   #define TEGRA210_CLK_AUDIO3_MUX 353
>>   #define TEGRA210_CLK_AUDIO4_MUX 354
>>   #define TEGRA210_CLK_SPDIF_MUX 355
>> -#define TEGRA210_CLK_CLK_OUT_1_MUX 356
>> -#define TEGRA210_CLK_CLK_OUT_2_MUX 357
>> -#define TEGRA210_CLK_CLK_OUT_3_MUX 358
>> +/* 356 */
>> +/* 357 */
>> +/* 358 */
>>   #define TEGRA210_CLK_DSIA_MUX 359
>>   #define TEGRA210_CLK_DSIB_MUX 360
>>   /* 361 */
>> diff --git a/include/dt-bindings/clock/tegra30-car.h b/include/dt-bindings/clock/tegra30-car.h
>> index 3c90f1535551..20ef2462d9e1 100644
>> --- a/include/dt-bindings/clock/tegra30-car.h
>> +++ b/include/dt-bindings/clock/tegra30-car.h
>> @@ -230,11 +230,11 @@
>>   #define TEGRA30_CLK_AUDIO3 204
>>   #define TEGRA30_CLK_AUDIO4 205
>>   #define TEGRA30_CLK_SPDIF 206
>> -#define TEGRA30_CLK_CLK_OUT_1 207 /* (extern1) */
>> -#define TEGRA30_CLK_CLK_OUT_2 208 /* (extern2) */
>> -#define TEGRA30_CLK_CLK_OUT_3 209 /* (extern3) */
>> +/* 207 */
>> +/* 208 */
>> +/* 209 */
>>   #define TEGRA30_CLK_SCLK 210
>> -#define TEGRA30_CLK_BLINK 211
>> +/* 211 */
>>   #define TEGRA30_CLK_CCLK_G 212
>>   #define TEGRA30_CLK_CCLK_LP 213
>>   #define TEGRA30_CLK_TWD 214
>> @@ -260,9 +260,9 @@
>>   /* 297 */
>>   /* 298 */
>>   /* 299 */
>> -#define TEGRA30_CLK_CLK_OUT_1_MUX 300
>> -#define TEGRA30_CLK_CLK_OUT_2_MUX 301
>> -#define TEGRA30_CLK_CLK_OUT_3_MUX 302
>> +/* 300 */
>> +/* 301 */
>> +/* 302 */
>>   #define TEGRA30_CLK_AUDIO0_MUX 303
>>   #define TEGRA30_CLK_AUDIO1_MUX 304
>>   #define TEGRA30_CLK_AUDIO2_MUX 305
>>
> This a device-tree ABI breakage and I'm not sure that it's okay to break
> older device-trees (Pixel C Smaug board), maybe some kind of fallback is
> needed.

As provider itself changed from tegra_car to pmc, all platform 
device-trees using CLK_OUT_1/2/3 ids from Tegra car should be moved to 
PMC and use PMC clock ids.

Based on upstream device tree search, I only see samsung t210 device 
tree currently using CLK_OUT_2. So updated that as part of this series.

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