openwrt/target/linux/bcm27xx/patches-6.6/950-0933-clk-rp1-Reserve-pll_audio-for-clk_i2s.patch

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From 064f36e61df85cbfd56f032faaa914930b84ac8c Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.com>
Date: Wed, 6 Mar 2024 14:26:33 +0000
Subject: [PATCH 0933/1085] clk: rp1: Reserve pll_audio* for clk_i2s
Prevent all clocks except clk_i2s from using the audio PLLs as sources,
so that clk_i2s may be allowed to change them as needed.
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
---
drivers/clk/clk-rp1.c | 26 +++++++++++++-------------
1 file changed, 13 insertions(+), 13 deletions(-)
--- a/drivers/clk/clk-rp1.c
+++ b/drivers/clk/clk-rp1.c
@@ -1744,7 +1744,7 @@ static const struct rp1_clk_desc clk_des
[RP1_CLK_PWM0] = REGISTER_CLK(
.name = "clk_pwm0",
- .parents = {"pll_audio_pri_ph",
+ .parents = {"", // "pll_audio_pri_ph",
"pll_video_sec",
"xosc",
"clksrc_gp0",
@@ -1766,7 +1766,7 @@ static const struct rp1_clk_desc clk_des
[RP1_CLK_PWM1] = REGISTER_CLK(
.name = "clk_pwm1",
- .parents = {"pll_audio_pri_ph",
+ .parents = {"", // "pll_audio_pri_ph",
"pll_video_sec",
"xosc",
"clksrc_gp0",
@@ -1788,9 +1788,9 @@ static const struct rp1_clk_desc clk_des
[RP1_CLK_AUDIO_IN] = REGISTER_CLK(
.name = "clk_audio_in",
- .parents = {"pll_audio",
- "pll_audio_pri_ph",
- "pll_audio_sec",
+ .parents = {"", //"pll_audio",
+ "", //"pll_audio_pri_ph",
+ "", //"pll_audio_sec",
"pll_video_sec",
"xosc",
"clksrc_gp0",
@@ -1811,8 +1811,8 @@ static const struct rp1_clk_desc clk_des
[RP1_CLK_AUDIO_OUT] = REGISTER_CLK(
.name = "clk_audio_out",
- .parents = {"pll_audio",
- "pll_audio_sec",
+ .parents = {"", //"pll_audio",
+ "", //"pll_audio_sec",
"pll_video_sec",
"xosc",
"clksrc_gp0",
@@ -1902,7 +1902,7 @@ static const struct rp1_clk_desc clk_des
[RP1_CLK_ADC] = REGISTER_CLK(
.name = "clk_adc",
.parents = {"xosc",
- "pll_audio_tern",
+ "", //"pll_audio_tern",
"clksrc_gp0",
"clksrc_gp1",
"clksrc_gp2",
@@ -1954,7 +1954,7 @@ static const struct rp1_clk_desc clk_des
"clksrc_gp4",
"clksrc_gp5",
"pll_sys",
- "pll_audio",
+ "", //"pll_audio",
"",
"",
"clk_i2s",
@@ -1984,7 +1984,7 @@ static const struct rp1_clk_desc clk_des
"clksrc_gp4",
"clksrc_gp5",
"pll_sys_pri_ph",
- "pll_audio_pri_ph",
+ "", //"pll_audio_pri_ph",
"",
"",
"clk_adc",
@@ -2014,7 +2014,7 @@ static const struct rp1_clk_desc clk_des
"clksrc_gp4",
"clksrc_gp5",
"pll_sys_sec",
- "pll_audio_sec",
+ "", //"pll_audio_sec",
"pll_video",
"clk_audio_in",
"clk_dpi",
@@ -2073,7 +2073,7 @@ static const struct rp1_clk_desc clk_des
"clksrc_gp2",
"clksrc_gp3",
"clksrc_gp5",
- "pll_audio_tern",
+ "", //"pll_audio_tern",
"pll_video_sec",
"",
"",
@@ -2104,7 +2104,7 @@ static const struct rp1_clk_desc clk_des
"clksrc_gp2",
"clksrc_gp3",
"clksrc_gp4",
- "pll_audio_tern",
+ "", //"pll_audio_tern",
"pll_video_sec",
"clk_eth_tsu",
"",