linux-kernel - [PATCH v2 05/18] clk: qcom: gcc-sc8180x: Set delay for Venus CLK resets

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Message-Id: <20240105-topic-venus_reset-v2-5-c37eba13b5ce@linaro.org>
Date: Tue, 06 Feb 2024 19:43:38 +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 05/18] clk: qcom: gcc-sc8180x: Set delay for Venus CLK
 resets

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

The value was obtained by referencing the msm-4.19 driver, which uses a
single value for all platforms [1].

[1] https://git.codelinaro.org/clo/la/platform/vendor/opensource/video-driver/-/blob/LA.UM.9.15.c26/msm/vidc/hfi_common.c?ref_type=heads#L3662-3663
Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
 drivers/clk/qcom/gcc-sc8180x.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/clk/qcom/gcc-sc8180x.c b/drivers/clk/qcom/gcc-sc8180x.c
index ae2147381559..1351c52bcacb 100644
--- a/drivers/clk/qcom/gcc-sc8180x.c
+++ b/drivers/clk/qcom/gcc-sc8180x.c
@@ -4528,9 +4528,9 @@ static const struct qcom_reset_map gcc_sc8180x_resets[] = {
 	[GCC_USB30_PRIM_BCR] = { 0xf000 },
 	[GCC_USB30_SEC_BCR] = { 0x10000 },
 	[GCC_USB_PHY_CFG_AHB2PHY_BCR] = { 0x6a000 },
-	[GCC_VIDEO_AXIC_CLK_BCR] = { 0xb02c, 2 },
-	[GCC_VIDEO_AXI0_CLK_BCR] = { 0xb024, 2 },
-	[GCC_VIDEO_AXI1_CLK_BCR] = { 0xb028, 2 },
+	[GCC_VIDEO_AXIC_CLK_BCR] = { .reg = 0xb02c, .bit = 2, .udelay = 150 },
+	[GCC_VIDEO_AXI0_CLK_BCR] = { .reg = 0xb024, .bit = 2, .udelay = 150 },
+	[GCC_VIDEO_AXI1_CLK_BCR] = { .reg = 0xb028, .bit = 2, .udelay = 150 },
 };
 
 static struct gdsc *gcc_sc8180x_gdscs[] = {

-- 
2.43.0