lede/target/linux/ipq807x/patches-5.15/0141-clk-qcom-ipq8074-disable-USB-GDSC-s-SW_COLLAPSE.patch
2023-12-18 22:25:24 +08:00

31 lines
1.1 KiB
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From 1a33a943c643b43033af936f297898b540361c62 Mon Sep 17 00:00:00 2001
From: Robert Marko <robimarko@gmail.com>
Date: Sat, 1 Jan 2022 19:11:55 +0100
Subject: [PATCH] clk: qcom: ipq8074: disable USB GDSC-s SW_COLLAPSE
Like in IPQ6018 Qualcomm intentionally disables the SW_COLLAPSE on the USB
GDSC-s.
This could potentially be better handled by utilizing the GDSC driver, but
I am not familiar with it nor do I have datasheets.
Signed-off-by: Robert Marko <robimarko@gmail.com>
---
drivers/clk/qcom/gcc-ipq8074.c | 5 +++++
1 file changed, 5 insertions(+)
--- a/drivers/clk/qcom/gcc-ipq8074.c
+++ b/drivers/clk/qcom/gcc-ipq8074.c
@@ -4836,6 +4836,11 @@ static int gcc_ipq8074_probe(struct plat
/* SW Workaround for UBI32 Huayra PLL */
regmap_update_bits(regmap, 0x2501c, BIT(26), BIT(26));
+ /* Disable SW_COLLAPSE for USB0 GDSCR */
+ regmap_update_bits(regmap, 0x3e078, BIT(0), 0x0);
+ /* Disable SW_COLLAPSE for USB1 GDSCR */
+ regmap_update_bits(regmap, 0x3f078, BIT(0), 0x0);
+
clk_alpha_pll_configure(&ubi32_pll_main, regmap, &ubi32_pll_config);
clk_alpha_pll_configure(&nss_crypto_pll_main, regmap,
&nss_crypto_pll_config);