Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1516218

Re: [PATCH 1/6] clk: stm32f4: Add PLL_I2S & PLL_SAI for STM32F429/469 boards

From Gabriel Fernandez <gabriel.fernandez@st.com>
Newsgroups linux.kernel
Subject Re: [PATCH 1/6] clk: stm32f4: Add PLL_I2S & PLL_SAI for STM32F429/469 boards
Date 2016-11-07 15:10 +0100
Message-ID <sASMy-4aH-9@gated-at.bofh.it> (permalink)
References <sARQt-3wK-5@gated-at.bofh.it> <sAS0c-3Aq-87@gated-at.bofh.it> <sASMy-4aH-11@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


Hi Daniel,

Thanks for reviewing.


On 11/07/2016 02:53 PM, Daniel Thompson wrote:
> On 07/11/16 13:05, gabriel.fernandez@st.com wrote:
>> From: Gabriel Fernandez <gabriel.fernandez@st.com>
>>
>> This patch introduces PLL_I2S and PLL_SAI.
>> Vco clock of these PLLs can be modify by DT (only n multiplicator,
>> m divider is still fixed by the boot-loader).
>> Each PLL has 3 dividers. PLL should be off when we modify the rate.
>>
>> Signed-off-by: Gabriel Fernandez <gabriel.fernandez@st.com>
>> ---
>>  drivers/clk/clk-stm32f4.c | 371 
>> ++++++++++++++++++++++++++++++++++++++++++++--
>>  1 file changed, 359 insertions(+), 12 deletions(-)
>>
>> diff --git a/drivers/clk/clk-stm32f4.c b/drivers/clk/clk-stm32f4.c
>> index c2661e2..7641acd 100644
>> --- a/drivers/clk/clk-stm32f4.c
>> +++ b/drivers/clk/clk-stm32f4.c
>> @@ -28,6 +28,7 @@
> > ...
>> +static const struct clk_div_table pll_divp_table[] = {
>> +    { 0, 2 }, { 1, 4 }, { 2, 6 }, { 3, 8 },
>> +};
>> +
>>  /*
>>   * Decode current PLL state and (statically) model the state we 
>> inherit from
>>   * the bootloader.
>>   */
>
> This comment isn't right. For a start the model is no longer static.
>
you're right, i will suppress it.

>
>> @@ -615,18 +944,24 @@ struct stm32f4_clk_data {
>>      const struct stm32f4_gate_data *gates_data;
>>      const u64 *gates_map;
>>      int gates_num;
>> +    const struct stm32f4_pll_data *pll_data;
>> +    int pll_num;
>
> pll_num is unused.
>
ok

BR

Gabriel

>
> Daniel.

Back to linux.kernel | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

[PATCH 0/6] Add STM32F4 missing clocks <gabriel.fernandez@st.com> - 2016-11-07 14:10 +0100
  [PATCH 2/6] clk: stm32f4: SDIO & 48Mhz clock management for STM32F469 board <gabriel.fernandez@st.com> - 2016-11-07 14:10 +0100
    Re: [PATCH 2/6] clk: stm32f4: SDIO & 48Mhz clock management for  STM32F469 board Daniel Thompson <daniel.thompson@linaro.org> - 2016-11-07 15:00 +0100
      Re: [PATCH 2/6] clk: stm32f4: SDIO & 48Mhz clock management for  STM32F469 board Gabriel Fernandez <gabriel.fernandez@st.com> - 2016-11-07 15:10 +0100
  [PATCH 3/6] clk: stm32f4: Add post divisor for I2S & SAI PLLs and Add lcd-tft clock <gabriel.fernandez@st.com> - 2016-11-07 14:10 +0100
    Re: [PATCH 3/6] clk: stm32f4: Add post divisor for I2S & SAI PLLs and  Add lcd-tft clock Daniel Thompson <daniel.thompson@linaro.org> - 2016-11-07 15:00 +0100
      Re: [PATCH 3/6] clk: stm32f4: Add post divisor for I2S & SAI PLLs and  Add lcd-tft clock Gabriel Fernandez <gabriel.fernandez@st.com> - 2016-11-07 15:20 +0100
  [PATCH 4/6] clk: stm32f4: Add I2S clock <gabriel.fernandez@st.com> - 2016-11-07 14:10 +0100
    Re: [PATCH 4/6] clk: stm32f4: Add I2S clock Daniel Thompson <daniel.thompson@linaro.org> - 2016-11-07 15:20 +0100
      Re: [PATCH 4/6] clk: stm32f4: Add I2S clock Gabriel Fernandez <gabriel.fernandez@st.com> - 2016-11-08 17:30 +0100
  [PATCH 6/6] arm: dts: stm32f4: Add external I2S clock <gabriel.fernandez@st.com> - 2016-11-07 14:20 +0100
  [PATCH 5/6] clk: stm32f4: Add SAI clocks <gabriel.fernandez@st.com> - 2016-11-07 14:20 +0100
  [PATCH 1/6] clk: stm32f4: Add PLL_I2S & PLL_SAI for STM32F429/469 boards <gabriel.fernandez@st.com> - 2016-11-07 14:20 +0100
    Re: [PATCH 1/6] clk: stm32f4: Add PLL_I2S & PLL_SAI for STM32F429/469  boards Gabriel Fernandez <gabriel.fernandez@st.com> - 2016-11-07 15:10 +0100
    Re: [PATCH 1/6] clk: stm32f4: Add PLL_I2S & PLL_SAI for STM32F429/469 boards Radosław Pietrzyk <radoslaw.pietrzyk@gmail.com> - 2016-11-07 16:00 +0100
      Re: [PATCH 1/6] clk: stm32f4: Add PLL_I2S & PLL_SAI for STM32F429/469  boards Gabriel Fernandez <gabriel.fernandez@st.com> - 2016-11-08 09:40 +0100
        Re: [PATCH 1/6] clk: stm32f4: Add PLL_I2S & PLL_SAI for STM32F429/469 boards Radosław Pietrzyk <radoslaw.pietrzyk@gmail.com> - 2016-11-08 10:00 +0100
          Re: [PATCH 1/6] clk: stm32f4: Add PLL_I2S & PLL_SAI for STM32F429/469  boards Gabriel Fernandez <gabriel.fernandez@st.com> - 2016-11-08 17:30 +0100
            Re: [PATCH 1/6] clk: stm32f4: Add PLL_I2S & PLL_SAI for STM32F429/469 boards Radosław Pietrzyk <radoslaw.pietrzyk@gmail.com> - 2016-11-09 09:20 +0100
              Re: [PATCH 1/6] clk: stm32f4: Add PLL_I2S & PLL_SAI for STM32F429/469  boards Gabriel Fernandez <gabriel.fernandez@st.com> - 2016-11-09 11:00 +0100
    Re: [PATCH 1/6] clk: stm32f4: Add PLL_I2S & PLL_SAI for STM32F429/469  boards Daniel Thompson <daniel.thompson@linaro.org> - 2016-11-07 18:50 +0100

csiph-web