linux-kernel - [PATCH v2 17/18] clk: qcom: videocc-sm8450: Set delay for Venus CLK resets

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Message-Id: <20240105-topic-venus_reset-v2-17-c37eba13b5ce@linaro.org>
Date: Tue, 06 Feb 2024 19:43:50 +0100
From: Konrad Dybcio <konrad.dybcio@...aro.org>
To: Bjorn Andersson <andersson@...nel.org>, 
 Michael Turquette <mturquette@...libre.com>, 
 Stephen Boyd <sboyd@...nel.org>, Philipp Zabel <p.zabel@...gutronix.de>
Cc: Marijn Suijten <marijn.suijten@...ainline.org>, 
 linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Bryan O'Donoghue <bryan.odonoghue@...aro.org>, 
 Dikshita Agarwal <quic_dikshita@...cinc.com>, 
 Vikash Garodia <quic_vgarodia@...cinc.com>, 
 Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>, 
 Konrad Dybcio <konrad.dybcio@...aro.org>
Subject: [PATCH v2 17/18] clk: qcom: videocc-sm8450: Set delay for Venus
 CLK resets

Some Venus resets may require more time when toggling. Describe that.

The value is known for SM8450, see [1].

[1] https://git.codelinaro.org/clo/la/platform/vendor/opensource/video-driver/-/commit/d0730ea5867264ee50b793f6700eb6a376ddcbbb
Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
 drivers/clk/qcom/videocc-sm8450.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/clk/qcom/videocc-sm8450.c b/drivers/clk/qcom/videocc-sm8450.c
index 16a61146e619..67ca302a0737 100644
--- a/drivers/clk/qcom/videocc-sm8450.c
+++ b/drivers/clk/qcom/videocc-sm8450.c
@@ -373,8 +373,8 @@ static const struct qcom_reset_map video_cc_sm8450_resets[] = {
 	[CVP_VIDEO_CC_MVS0C_BCR] = { 0x8048 },
 	[CVP_VIDEO_CC_MVS1_BCR] = { 0x80bc },
 	[CVP_VIDEO_CC_MVS1C_BCR] = { 0x8070 },
-	[VIDEO_CC_MVS0C_CLK_ARES] = { 0x8064, 2 },
-	[VIDEO_CC_MVS1C_CLK_ARES] = { 0x808c, 2 },
+	[VIDEO_CC_MVS0C_CLK_ARES] = { .reg = 0x8064, .bit = 2, .udelay = 1000 },
+	[VIDEO_CC_MVS1C_CLK_ARES] = { .reg = 0x808c, .bit = 2, .udelay = 1000 },
 };
 
 static const struct regmap_config video_cc_sm8450_regmap_config = {

-- 
2.43.0