Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1699007
| From | Stephen Boyd <sboyd@codeaurora.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [RFC 06/12] Clk: qcom: support for dynamic updating the PLL |
| Date | 2017-07-28 20:40 +0200 |
| Message-ID | <u8il4-7oj-15@gated-at.bofh.it> (permalink) |
| References | <u7OZH-5qs-3@gated-at.bofh.it> <u7OZI-5qs-37@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 07/27, Abhishek Sahu wrote: > Some of the Alpha PLL’s support dynamic update in which the > frequency can be changed dynamically without turning off the PLL. > > This dynamic update requires the following sequence > > 1. Write the desired values to pll_l_val and pll_alpha_val. > 2. Toggle pll_latch_input from low to high. > 3. Wait for pll_ack_latch to transition from low to high. > The new L and alpha values have been latched. It make > take some time for the PLL to fully settle with these > new values. > 4. Pull pll_latch_input low. > > Signed-off-by: Abhishek Sahu <absahu@codeaurora.org> I think Rajendra has a similar patch that was sent. Is this the same? Can you please look on the list and find it and compare? -- Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, a Linux Foundation Collaborative Project
Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
[RFC 00/12] Misc patches for QCOM clocks Abhishek Sahu <absahu@codeaurora.org> - 2017-07-27 13:20 +0200
[RFC 12/12] clk: qcom: add parent map for regmap mux Abhishek Sahu <absahu@codeaurora.org> - 2017-07-27 13:20 +0200
[RFC 06/12] Clk: qcom: support for dynamic updating the PLL Abhishek Sahu <absahu@codeaurora.org> - 2017-07-27 13:20 +0200
Re: [RFC 06/12] Clk: qcom: support for dynamic updating the PLL Stephen Boyd <sboyd@codeaurora.org> - 2017-07-28 20:40 +0200
Re: [RFC 06/12] Clk: qcom: support for dynamic updating the PLL Abhishek Sahu <absahu@codeaurora.org> - 2017-07-30 16:00 +0200
[RFC 11/12] clk: qcom: add read-only alpha pll post divider operations Abhishek Sahu <absahu@codeaurora.org> - 2017-07-27 13:20 +0200
[RFC 10/12] clk: qcom: add read-only divider operations Abhishek Sahu <absahu@codeaurora.org> - 2017-07-27 13:20 +0200
[RFC 07/12] clk: qcom: add flag for VCO operation Abhishek Sahu <absahu@codeaurora.org> - 2017-07-27 13:20 +0200
[RFC 08/12] clk: qcom: support for Huayra PLL Abhishek Sahu <absahu@codeaurora.org> - 2017-07-27 13:20 +0200
[RFC 05/12] clk: qcom: fix 16 bit alpha support calculation Abhishek Sahu <absahu@codeaurora.org> - 2017-07-27 13:20 +0200
[RFC 09/12] clk: qcom: support for Brammo PLL Abhishek Sahu <absahu@codeaurora.org> - 2017-07-27 13:20 +0200
Re: [RFC 00/12] Misc patches for QCOM clocks Stephen Boyd <sboyd@codeaurora.org> - 2017-07-27 20:40 +0200
csiph-web