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Allwinner clk fixes for 4.19
One fix for the Audio PLL that were not properly set and generating noise on the A10 SoCs. -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEE0VqZU19dR2zEVaqr0rTAlCFNr3QFAluvlEwACgkQ0rTAlCFN r3RWOg/9Fw0fD9LZ15A9KIbLfH2k2JWALPct6jEOHCQIj1td+aepWngwG5m4dEp5 Rd+R38pjGLpO8VJ36TuS0majvUFlRtJIsGOZ+CRTj+QY0XceFldmAc/QgBCNb5wi uVXxH/Xqtv+DAf1FZWPKMOmwdjbDtqmnrpfKs1LPZvy9Y7z/PGZZVk13N+OrXrHx CXu1zIJ8J2Io5C0r/tVPosXJRDy04lzUZ2+XH1dev/h3/MZ9eiViKF8YCY2k+Frp mkKPjT2v0Ew0lnD64sw55khKcEuajaKxeqzAlSOwjQ+Kunr8/hr6KdauZmEoxMUZ G+Twkge8nVxdzJUOIrA0psFFaPj3bLpc97613Lwg8oQBeVz46fPMvHlMNJ3Flz18 H9TRzzVT6eG1Ck7LAB2o30NB/Fate3PaOwTWHe3nnFgdqbWwdy18aBJVKK2qeqwd alU/IFKT5fenIpRiQyJOH4djVLRkATGDGkOP9KQ9gtpDA+FMw37hnQkKS20C5U0E 1X/+hFLtyjw2EvTsoV/MvVLpMxZkCIvIQuO8yC4Cba93g4R1XSmdhrkN45OaYf+n v8QYVzMrQSY0DANVnoGQ0y+e+fl49mhNhosMWZzMZaWuI5tutV1oVsYqObJ2eUpk yux9DhwtXrw3h2L1o3m2SYes/AL5Xppu00HXBx7f15xhR7VKC3o= =q4se -----END PGP SIGNATURE----- Merge tag 'sunxi-clk-fixes-for-4.19' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into clk-fixes Pull Allwinner clk fixes for 4.19 from Maxime Ripard: One fix for the Audio PLL that were not properly set and generating noise on the A10 SoCs. * tag 'sunxi-clk-fixes-for-4.19' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux: clk: sunxi-ng: sun4i: Set VCO and PLL bias current to lowest setting
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commit
02621216e1
1 changed files with 9 additions and 1 deletions
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@ -1434,8 +1434,16 @@ static void __init sun4i_ccu_init(struct device_node *node,
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return;
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}
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/* Force the PLL-Audio-1x divider to 1 */
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val = readl(reg + SUN4I_PLL_AUDIO_REG);
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/*
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* Force VCO and PLL bias current to lowest setting. Higher
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* settings interfere with sigma-delta modulation and result
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* in audible noise and distortions when using SPDIF or I2S.
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*/
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val &= ~GENMASK(25, 16);
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/* Force the PLL-Audio-1x divider to 1 */
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val &= ~GENMASK(29, 26);
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writel(val | (1 << 26), reg + SUN4I_PLL_AUDIO_REG);
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