2024 Clk_set_rate

Clk_set_rate_gate

Author: zkin

August undefined, 2024

WebYou can register through the following interfaces: struct clk *clk_register_fixed_factor (struct device *dev, const char *name, const char *parent_name, unsigned long flags, unsigned int mult, unsigned int div); 6. composite clock. As the name suggests, it is a combination of mux, divider, gate and other clock s, which can be registered through ... WebIndeed, if no determine_rate > > implementation is provided, clk_round_rate() (through > > clk_core_round_rate_nolock()) will call itself on the parent if > > CLK_SET_RATE_PARENT is set, and will not change the clock rate > > otherwise. __clk_mux_determine_rate() has the exact same behavior when > > …

LKML: Michael Tretter: Re: [PATCH v2 1/3] clk: zynqmp: Use …

Web* [PATCH V3 1/7] clk: imx: fracn-gppll: fix the rate table 2024-04-03 9:52 [PATCH V3 0/7] clk: imx: imx93: fix and update Peng Fan (OSS) @ 2024-04-03 9:52 ` Peng Fan (OSS) 2024-04-09 13:44 ` Abel Vesa 2024-04-03 9:52 ` [PATCH V3 2/7] clk: imx: fracn-gppll: disable hardware select control Peng Fan (OSS) ` (6 subsequent siblings) 7 siblings, 1 ... WebMar 31, 2013 · Based on a 1 cycle wide enable signal generate a clock pulse which has the same high time as the input clock. A naive way of doing this might be : assign rclk = (cstate==idle) ? clk : 1'b0 ; Which could easily be synthesised assign rclk = (cstate==idle) & clk ; cstate == idle is going to glitch which is why it would normally be used by a flip ... maya white astrocartography

Linux-Kernel Archive: Re: dw8250_set_termios() questions

WebThe common clk framework is an interface to control the clock nodes available on various devices today. This may come in the form of clock gating, rate adjustment, muxing or … shadowed data register for generic GPIO to clear/set bits safely. bgpio_dir. … Parameters. x. function to be run when driver is removed. Description. … Since kernel 3.12 the dma-buf FD supports the llseek system call, but only with … The Common Clk Framework; Bus-Independent Device Accesses; Buffer … I 2 C and SMBus Subsystem¶. I 2 C (or without fancy typography, “I2C”) is an … The Userspace I/O HOWTO¶ Author. Hans-Jürgen Koch Linux developer, … WebSetting this flag does the opposite: setting the bit. * disable the clock and clearing it enables the clock. * CLK_GATE_HIWORD_MASK - The gate settings are only in lower 16-bit. * of this register, and mask of gate bits are in higher 16-bit of this. * register. WebCLK_SET_RATE_PARENT, 1, 1); else return clk_register_gate(NULL, name, parent, CLK_SET_RATE_PARENT CLK_OPS_PARENT_ENABLE, reg, shift, 0, … maya whetstone

[PATCH v3 1/8] clk: tegra20/30: Add custom EMC clock …

Re: [PATCH AUTOSEL for 4.9 109/219] clk: sunxi-ng: a33: Add …

Web> COMPOSITE_FRACMUX(0, "clk_pdm_frac", "clk_pdm_src", CLK_SET_RATE_PARENT, Can you make a new macro COMPOSITE_FRACMUX_PRATE or something that passes in another argument so that we don't have to change the users Web* [RFC 0/2] CLK_SET_RATE_GATE and protection against changes @ 2024-03-02 17:38 Jerome Brunet 2024-03-02 17:38 ` [RFC 1/2] clk: fix CLK_SET_RATE_GATE on parent clocks Jerome Brunet ` (2 more replies) 0 siblings, 3 replies; 9+ messages in thread From: Jerome Brunet @ 2024-03-02 17:38 UTC (permalink / raw) To: Michael Turquette, … herschel little america frog camoWeb.flags = clk_set_rate_parent clk_get_rate_nocache, 2.33.1 Next message: Ansuel Smith: "[PATCH 06/14] drivers: clk: qcom: gcc-ipq806x: use parent_hws where possible" herschel little america grey backpack

"Web- Instead of manually handling the pre-div divider value, let CCF set the input clock. Targeted input clock frequency is 0xffff * 1/period for best precision. ... - use parent_hws instead of parent_names for div/gate clock - use devm_clk_hw_register where the struct clk * returned by devm_clk_register isn't needed Heiner Kallweit (2): pwm ... " - Clk_set_rate_gate

Clk_set_rate_gate

[SOLVED] - Clock Gating Insertion Problem - Forum for Electronics

WebIt needs commit >>cf719012b232 ("clk: sunxi-ng: mult: Support PLL lock detection") >>to be applied first. They were part of the same series. > > Thanks for the heads up! > >>Incidentally, how can we note these kinds of dependencies to make >>life easier for stable kernel maintainers? > > Yes! WebDrivers most likely _always_ want it to be glitch free when they call clk_set_rate(), so we should make it that way in the core framework by figuring out if something downstream of …

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WebJul 11, 2014 · My clock has CLK_SET_RATE_GATE flag set, so I do need them. > > This one is addressed to how your code is used now: > > - Alan Cox had this question about my patch, and > > it seems to apply to your code as well: > > "This assumes an arbitarily configurable clock, Webby the clock. Called by clk_round_rate() or by clk_set_rate() during propagation. I.set_rate: Changes the rate of the clock. Called by clk_set_rate() or during propagation. …

WebOct 18, 2024 · However, the most likely candidate to trigger that parent change is a call to clk_set_rate(), with determine_rate() figuring out which parent is the best suited for a given rate. The other trigger would be a call to clk_set_parent(), but it's far less used, and it doesn't look like there's any obvious user for that clock. WebJul 22, 2024 · On Tue, 21 Jul 2024 23:55:30 -0700, Amit Sunil Dhamne wrote: > From: Rajan Vaja > > Currently firmware passes CCF specific flags to ZynqMP clock driver.

WebJan 15, 2024 · Fixes: 9461f7b33d11c ("clk: fix CLK_SET_RATE_GATE with clock rate protection") Suggested-by: Aisheng Dong Signed-off-by: Adam Ford ---V3: Return a method more closely related to upstream kernel but instead of passing an array of UART's, each SoC passes the max number of … WebJan 15, 2024 · Fixes: 9461f7b33d11c ("clk: fix CLK_SET_RATE_GATE with clock rate protection") Suggested-by: Aisheng Dong Signed-off-by: …

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WebJun 16, 2024 · 1. 概述 2. mux、gate、divider注册过程分析. 内核将硬件上的gate\mux\divider都抽象成一个时钟结构，它们既是时钟的消费者（root clk除外），也 … herschel little america cheapWebFeb 15, 2024 · Current clock gating style.... Sequential cell: latch Minimum bank bitwidth: 1 Minimum bank bitwidth for enhanced clock gating: 2 Maximum fanout: 32 Setup time for clock gate: 0.000000 Hold time for clock gate: 0.000000 Clock gating circuitry (positive edge): and Clock gating circuitry (negative edge): or Note: inverter between clock gating … maya where did they liveWeb[PATCH v4 6/8] clk: baikal-t1: Move reset-controls code into a dedicated module From: Serge Semin Date: Fri Jun 10 2024 - 03:22:26 EST Next message: Serge Semin: "[PATCH v4 8/8] clk: baikal-t1: Convert to platform device driver" Previous message: Serge Semin: "[PATCH v4 5/8] clk: baikal-t1: Add SATA internal ref clock buffer" In reply to: Serge … herschel little america laptopWebNAME¶. clk_set_rate - set the clock rate for a clock source. SYNOPSIS¶. int clk_set_rate(struct clk * clk, unsigned long rate); ARGUMENTS¶. struct clk * clk herschel little america camo backpack herschel little america leatherWebOct 18, 2024 · However, the most likely candidate to trigger that parent change is a call to clk_set_rate(), with determine_rate() figuring out which parent is the best suited for a given rate. The other trigger would be a call to clk_set_parent(), but it's far less used, and it doesn't look like there's any obvious user for that clock. So, the set_parent ... herschel little america medium backpackWebOct 18, 2024 · However, the most likely candidate to trigger that parent change is a call to clk_set_rate(), with determine_rate() figuring out which parent is the best suited for a given rate. The other trigger would be a call to clk_set_parent(), but it's far less used, and it doesn't look like there's any obvious user for that clock. maya white astrology