]> git.ipfire.org Git - thirdparty/kernel/stable.git/commit
clk: samsung: clk-pll: add support for pll_4311
authorIvaylo Ivanov <ivo.ivanov.ivanov1@gmail.com>
Sun, 23 Feb 2025 11:55:59 +0000 (13:55 +0200)
committerKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Sat, 1 Mar 2025 14:08:05 +0000 (15:08 +0100)
commitf33807c30664d2b134ba17f2ae0740acbe91986a
tree0e5c2e82ab31e20b27346e8d3f8a64744745208b
parentd434e7851caf9352e014f6f527a32ff61b014cd7
clk: samsung: clk-pll: add support for pll_4311

pll4311 (also known in the vendor kernel as frd_4311_rpll) is a PLL used
in the Exynos2200 SoC. It's an integer/fractional PLL with mid frequency
FVCO (650 to 3500Mhz).

The PLL is functionally similar enough to pll531x, so the same code can
handle both.

Locktime for pll4311 is 500 - the same as the pll531x lock factor. MDIV,
PDIV, SDIV and FDIV masks and bit shifts are also the same as pll531x.

When defining a PLL, the "con" parameter should be set to CON3
register, like this:

PLL(pll_4311, CLK_FOUT_SHARED0_PLL, "fout_shared0_pll", "oscclk",
    PLL_LOCKTIME_PLL_SHARED0, PLL_CON3_PLL_SHARED0, NULL),

Signed-off-by: Ivaylo Ivanov <ivo.ivanov.ivanov1@gmail.com>
Link: https://lore.kernel.org/r/20250223115601.723886-3-ivo.ivanov.ivanov1@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
drivers/clk/samsung/clk-pll.c
drivers/clk/samsung/clk-pll.h