linux-kernel - [PATCH 1/2] clk: tegra30: Add hda clock default rates to clock driver

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Date:   Fri, 25 Dec 2020 01:20:25 +0000
From:   Peter Geis <pgwipeout@...il.com>
To:     Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        Peter De Schrijver <pdeschrijver@...dia.com>,
        Prashant Gaikwad <pgaikwad@...dia.com>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        Sameer Pujar <spujar@...dia.com>,
        Mohan Kumar <mkumard@...dia.com>
Cc:     linux-clk@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org, alsa-devel@...a-project.org,
        Peter Geis <pgwipeout@...il.com>, Ion Agorria <ion@...rria.com>
Subject: [PATCH 1/2] clk: tegra30: Add hda clock default rates to clock driver

Current implementation defaults the hda clocks to clk_m.
This causes hda to run too slow to operate correctly.
Fix this by defaulting to pll_p and setting the frequency to the correct rate.

This matches upstream t124 and downstream t30.

Signed-off-by: Peter Geis <pgwipeout@...il.com>
Tested-by: Ion Agorria <ion@...rria.com>
---
 drivers/clk/tegra/clk-tegra30.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/clk/tegra/clk-tegra30.c b/drivers/clk/tegra/clk-tegra30.c
index 37244a7e68c2..9cf249c344d9 100644
--- a/drivers/clk/tegra/clk-tegra30.c
+++ b/drivers/clk/tegra/clk-tegra30.c
@@ -1256,6 +1256,8 @@ static struct tegra_clk_init_table init_table[] __initdata = {
 	{ TEGRA30_CLK_I2S3_SYNC, TEGRA30_CLK_CLK_MAX, 24000000, 0 },
 	{ TEGRA30_CLK_I2S4_SYNC, TEGRA30_CLK_CLK_MAX, 24000000, 0 },
 	{ TEGRA30_CLK_VIMCLK_SYNC, TEGRA30_CLK_CLK_MAX, 24000000, 0 },
+	{ TEGRA30_CLK_HDA, TEGRA30_CLK_PLL_P, 102000000, 0 },
+	{ TEGRA30_CLK_HDA2CODEC_2X, TEGRA30_CLK_PLL_P, 48000000, 0 },
 	/* must be the last entry */
 	{ TEGRA30_CLK_CLK_MAX, TEGRA30_CLK_CLK_MAX, 0, 0 },
 };
-- 
2.25.1