linux-kernel - [PATCH 01/25] clk: meson: a1: restrict an amount of 'hifi

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Date: Fri, 15 Mar 2024 02:21:37 +0300
From: Jan Dakinevich <jan.dakinevich@...utedevices.com>
To: Jan Dakinevich <jan.dakinevich@...utedevices.com>, Neil Armstrong
	<neil.armstrong@...aro.org>, Jerome Brunet <jbrunet@...libre.com>, Michael
 Turquette <mturquette@...libre.com>, Stephen Boyd <sboyd@...nel.org>, Rob
 Herring <robh@...nel.org>, Krzysztof Kozlowski
	<krzysztof.kozlowski+dt@...aro.org>, Conor Dooley <conor+dt@...nel.org>,
	Philipp Zabel <p.zabel@...gutronix.de>, Kevin Hilman <khilman@...libre.com>,
	Martin Blumenstingl <martin.blumenstingl@...glemail.com>, Liam Girdwood
	<lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>, Linus Walleij
	<linus.walleij@...aro.org>, Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai
	<tiwai@...e.com>, <linux-amlogic@...ts.infradead.org>,
	<linux-clk@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
	<alsa-devel@...a-project.org>, <linux-sound@...r.kernel.org>,
	<linux-gpio@...r.kernel.org>
CC: <kernel@...utedevices.com>
Subject: [PATCH 01/25] clk: meson: a1: restrict an amount of 'hifi_pll' params

Existing values were insufficient to produce accurate clock for audio
devices. New values are safe and most suitable to produce 48000Hz sample
rate.

Signed-off-by: Jan Dakinevich <jan.dakinevich@...utedevices.com>
---
 drivers/clk/meson/a1-pll.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/clk/meson/a1-pll.c b/drivers/clk/meson/a1-pll.c
index 4325e8a6a3ef..00e06d03445b 100644
--- a/drivers/clk/meson/a1-pll.c
+++ b/drivers/clk/meson/a1-pll.c
@@ -74,9 +74,9 @@ static struct clk_regmap fixed_pll = {
 	},
 };
 
-static const struct pll_mult_range hifi_pll_mult_range = {
-	.min = 32,
-	.max = 64,
+static const struct pll_params_table hifi_pll_params_table[] = {
+	PLL_PARAMS(128, 5),
+	{ },
 };
 
 static const struct reg_sequence hifi_init_regs[] = {
@@ -124,7 +124,7 @@ static struct clk_regmap hifi_pll = {
 			.shift   = 6,
 			.width   = 1,
 		},
-		.range = &hifi_pll_mult_range,
+		.table = hifi_pll_params_table,
 		.init_regs = hifi_init_regs,
 		.init_count = ARRAY_SIZE(hifi_init_regs),
 	},
-- 
2.34.1