diff mbox series

[3/8] clk: qcom: gpucc-sc8280xp: Add external supply for GX gdsc

Message ID 20231220-sa8295p-gpu-v1-3-d8cdf2257f97@quicinc.com
State New
Headers
Series arm64: dts: qcom: sa8295p: Enable GPU |

Commit Message

Bjorn Andersson Dec. 21, 2023, 3:50 a.m. UTC 
  On SA8295P and SA8540P the GFX rail is powered by a dedicated external
regulator, instead of the rpmh-controlled "gfx.lvl".

Define the "vdd-gfx" as the supply regulator for the GDSC, to cause the
gdsc logic to look for, and control, this external power supply.

Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
---
 drivers/clk/qcom/gpucc-sc8280xp.c | 1 +
 1 file changed, 1 insertion(+)

Comments

Dmitry Baryshkov Dec. 21, 2023, 7:04 a.m. UTC | #1 
On Thu, 21 Dec 2023 at 05:51, Bjorn Andersson <quic_bjorande@quicinc.com> wrote:
>
> On SA8295P and SA8540P the GFX rail is powered by a dedicated external
> regulator, instead of the rpmh-controlled "gfx.lvl".
>
> Define the "vdd-gfx" as the supply regulator for the GDSC, to cause the
> gdsc logic to look for, and control, this external power supply.
>
> Signed-off-by: Bjorn Andersson <quic_bjorande@quicinc.com>
> ---
>  drivers/clk/qcom/gpucc-sc8280xp.c | 1 +
>  1 file changed, 1 insertion(+)

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
diff mbox series

Patch

diff --git a/drivers/clk/qcom/gpucc-sc8280xp.c b/drivers/clk/qcom/gpucc-sc8280xp.c
index 8e147ee294ee..e2b3bc000c71 100644
--- a/drivers/clk/qcom/gpucc-sc8280xp.c
+++ b/drivers/clk/qcom/gpucc-sc8280xp.c
@@ -399,6 +399,7 @@  static struct gdsc gx_gdsc = {
 	},
 	.pwrsts = PWRSTS_OFF_ON,
 	.flags = CLAMP_IO | RETAIN_FF_ENABLE,
+	.supply = "vdd-gfx",
 };
 
 static struct gdsc *gpu_cc_sc8280xp_gdscs[] = {