linux-kernel - [PATCH 2/4] clk: meson: c3: pll: hifi

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Message-Id: <20240906-fix_clk-v1-2-2977ef0d72e7@amlogic.com>
Date: Fri, 06 Sep 2024 13:52:34 +0800
From: Chuan Liu via B4 Relay <devnull+chuan.liu.amlogic.com@...nel.org>
To: Neil Armstrong <neil.armstrong@...aro.org>, 
 Jerome Brunet <jbrunet@...libre.com>, 
 Michael Turquette <mturquette@...libre.com>, 
 Stephen Boyd <sboyd@...nel.org>, Kevin Hilman <khilman@...libre.com>, 
 Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Cc: linux-amlogic@...ts.infradead.org, linux-clk@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 Chuan Liu <chuan.liu@...ogic.com>
Subject: [PATCH 2/4] clk: meson: c3: pll: hifi_pll frequency is not
 accurate

From: Chuan Liu <chuan.liu@...ogic.com>

The fractional denominator of C3's hifi_pll fractional multiplier is
fixed to 100000, so flag CLK_MESON_PLL_FIXED_FRAC_MAX is added.

Fixes: 8a9a129dc565 ("clk: meson: c3: add support for the C3 SoC PLL clock")
Signed-off-by: Chuan Liu <chuan.liu@...ogic.com>
---
 drivers/clk/meson/c3-pll.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/clk/meson/c3-pll.c b/drivers/clk/meson/c3-pll.c
index 32bd2ed9d304..a350173efe90 100644
--- a/drivers/clk/meson/c3-pll.c
+++ b/drivers/clk/meson/c3-pll.c
@@ -361,6 +361,7 @@ static struct clk_regmap hifi_pll_dco = {
 		.range = &c3_gp0_pll_mult_range,
 		.init_regs = c3_hifi_init_regs,
 		.init_count = ARRAY_SIZE(c3_hifi_init_regs),
+		.flags = CLK_MESON_PLL_FIXED_FRAC_MAX,
 	},
 	.hw.init = &(struct clk_init_data) {
 		.name = "hifi_pll_dco",

-- 
2.42.0