clk: qcom: gcc-sa8775p: Set delay for Venus CLK resets
authorKonrad Dybcio <konrad.dybcio@linaro.org>
Tue, 6 Feb 2024 18:43:37 +0000 (19:43 +0100)
committerBjorn Andersson <andersson@kernel.org>
Wed, 7 Feb 2024 18:14:46 +0000 (12:14 -0600)
Some Venus resets may require more time when toggling. Describe that.

The value was obtained on a best-guess basis: msm-5.4 being the base
kernel for this SoC and 8775 being generally close to 8350 which is known
to require a higher delay [1].

[1] https://git.codelinaro.org/clo/la/platform/vendor/opensource/video-driver/-/commit/dfe241edf23daf3c1ccbb79b02798965123fad98

Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Link: https://lore.kernel.org/r/20240105-topic-venus_reset-v2-4-c37eba13b5ce@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
drivers/clk/qcom/gcc-sa8775p.c

index 8171d23c96e64d57da0203d3098b0572eefa7bd0..c2b403cb63010fdd24797b64da7a07e0397eb459 100644 (file)
@@ -4662,8 +4662,8 @@ static const struct qcom_reset_map gcc_sa8775p_resets[] = {
        [GCC_USB3UNIPHY_PHY_MP0_BCR] = { 0x5c020 },
        [GCC_USB3UNIPHY_PHY_MP1_BCR] = { 0x5c024 },
        [GCC_USB_PHY_CFG_AHB2PHY_BCR] = { 0x76000 },
-       [GCC_VIDEO_AXI0_CLK_ARES] = { 0x34014, 2 },
-       [GCC_VIDEO_AXI1_CLK_ARES] = { 0x3401c, 2 },
+       [GCC_VIDEO_AXI0_CLK_ARES] = { .reg = 0x34014, .bit = 2, .udelay = 400 },
+       [GCC_VIDEO_AXI1_CLK_ARES] = { .reg = 0x3401c, .bit = 2, .udelay = 400 },
        [GCC_VIDEO_BCR] = { 0x34000 },
 };