* [PATCH] clk: qcom: gcc-shikra: Add additional frequencies for EMAC RGMII clocks
@ 2026-07-17 4:03 Imran Shaik
2026-07-17 4:28 ` Taniya Das
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: Imran Shaik @ 2026-07-17 4:03 UTC (permalink / raw)
To: Bjorn Andersson, Michael Turquette, Stephen Boyd, Brian Masney
Cc: Ajit Pandey, Taniya Das, Jagadeesh Kona, linux-arm-msm, linux-clk,
linux-kernel, Imran Shaik
Add support for additional GCC EMAC RGMII clock frequencies (2.5MHz and
25MHz) required for the EMAC use-cases on Qualcomm Shikra SoC.
Signed-off-by: Imran Shaik <imran.shaik@oss.qualcomm.com>
---
drivers/clk/qcom/gcc-shikra.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/clk/qcom/gcc-shikra.c b/drivers/clk/qcom/gcc-shikra.c
index d5222756f214c356214039f95a93a28fc542801b..f2ab50209e1c037cb84db67951def053880406ff 100644
--- a/drivers/clk/qcom/gcc-shikra.c
+++ b/drivers/clk/qcom/gcc-shikra.c
@@ -1244,6 +1244,8 @@ static struct clk_rcg2 gcc_emac0_ptp_clk_src = {
};
static const struct freq_tbl ftbl_gcc_emac0_rgmii_clk_src[] = {
+ F(2500000, P_GPLL0_OUT_AUX2, 10, 1, 12),
+ F(25000000, P_GPLL0_OUT_AUX2, 12, 0, 0),
F(50000000, P_GPLL0_OUT_AUX2, 6, 0, 0),
F(125000000, P_GPLL12_OUT_AUX2, 4, 0, 0),
F(250000000, P_GPLL12_OUT_EARLY, 4, 0, 0),
---
base-commit: 1a1757b76427f6201bfe0bf1bea9f7574f332a93
change-id: 20260717-b4-shikra-gcc-emac-freqs-2469d8b64a75
Best regards,
--
Imran Shaik <imran.shaik@oss.qualcomm.com>
^ permalink raw reply related [flat|nested] 4+ messages in thread* Re: [PATCH] clk: qcom: gcc-shikra: Add additional frequencies for EMAC RGMII clocks
2026-07-17 4:03 [PATCH] clk: qcom: gcc-shikra: Add additional frequencies for EMAC RGMII clocks Imran Shaik
@ 2026-07-17 4:28 ` Taniya Das
2026-07-17 8:48 ` Konrad Dybcio
2026-07-17 9:45 ` Mohd Ayaan Anwar
2 siblings, 0 replies; 4+ messages in thread
From: Taniya Das @ 2026-07-17 4:28 UTC (permalink / raw)
To: Imran Shaik, Bjorn Andersson, Michael Turquette, Stephen Boyd,
Brian Masney
Cc: Ajit Pandey, Jagadeesh Kona, linux-arm-msm, linux-clk,
linux-kernel
On 7/17/2026 9:33 AM, Imran Shaik wrote:
> drivers/clk/qcom/gcc-shikra.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/clk/qcom/gcc-shikra.c b/drivers/clk/qcom/gcc-shikra.c
> index d5222756f214c356214039f95a93a28fc542801b..f2ab50209e1c037cb84db67951def053880406ff 100644
> --- a/drivers/clk/qcom/gcc-shikra.c
> +++ b/drivers/clk/qcom/gcc-shikra.c
> @@ -1244,6 +1244,8 @@ static struct clk_rcg2 gcc_emac0_ptp_clk_src = {
> };
>
> static const struct freq_tbl ftbl_gcc_emac0_rgmii_clk_src[] = {
> + F(2500000, P_GPLL0_OUT_AUX2, 10, 1, 12),
> + F(25000000, P_GPLL0_OUT_AUX2, 12, 0, 0),
Reviewed-by: Taniya Das <taniya.das@oss.qualcomm.com>
--
Thanks,
Taniya Das
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [PATCH] clk: qcom: gcc-shikra: Add additional frequencies for EMAC RGMII clocks
2026-07-17 4:03 [PATCH] clk: qcom: gcc-shikra: Add additional frequencies for EMAC RGMII clocks Imran Shaik
2026-07-17 4:28 ` Taniya Das
@ 2026-07-17 8:48 ` Konrad Dybcio
2026-07-17 9:45 ` Mohd Ayaan Anwar
2 siblings, 0 replies; 4+ messages in thread
From: Konrad Dybcio @ 2026-07-17 8:48 UTC (permalink / raw)
To: Imran Shaik, Bjorn Andersson, Michael Turquette, Stephen Boyd,
Brian Masney
Cc: Ajit Pandey, Taniya Das, Jagadeesh Kona, linux-arm-msm, linux-clk,
linux-kernel
On 7/17/26 6:03 AM, Imran Shaik wrote:
> Add support for additional GCC EMAC RGMII clock frequencies (2.5MHz and
> 25MHz) required for the EMAC use-cases on Qualcomm Shikra SoC.
>
> Signed-off-by: Imran Shaik <imran.shaik@oss.qualcomm.com>
> ---
It'd be useful to mention that they're necessary for 10M and 100M
speeds respectively
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Konrad
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] clk: qcom: gcc-shikra: Add additional frequencies for EMAC RGMII clocks
2026-07-17 4:03 [PATCH] clk: qcom: gcc-shikra: Add additional frequencies for EMAC RGMII clocks Imran Shaik
2026-07-17 4:28 ` Taniya Das
2026-07-17 8:48 ` Konrad Dybcio
@ 2026-07-17 9:45 ` Mohd Ayaan Anwar
2 siblings, 0 replies; 4+ messages in thread
From: Mohd Ayaan Anwar @ 2026-07-17 9:45 UTC (permalink / raw)
To: Imran Shaik
Cc: Bjorn Andersson, Michael Turquette, Stephen Boyd, Brian Masney,
Ajit Pandey, Taniya Das, Jagadeesh Kona, linux-arm-msm, linux-clk,
linux-kernel
On Fri, Jul 17, 2026 at 09:33:58AM +0530, Imran Shaik wrote:
> Add support for additional GCC EMAC RGMII clock frequencies (2.5MHz and
> 25MHz) required for the EMAC use-cases on Qualcomm Shikra SoC.
>
> Signed-off-by: Imran Shaik <imran.shaik@oss.qualcomm.com>
> ---
Tested 10M/100M speeds on Shikra EMAC with this patch, so feel free to
add my t-b:
Tested-by: Mohd Ayaan Anwar <mohd.anwar@oss.qualcomm.com>
^ permalink raw reply [flat|nested] 4+ messages in thread
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2026-07-17 4:03 [PATCH] clk: qcom: gcc-shikra: Add additional frequencies for EMAC RGMII clocks Imran Shaik
2026-07-17 4:28 ` Taniya Das
2026-07-17 8:48 ` Konrad Dybcio
2026-07-17 9:45 ` Mohd Ayaan Anwar
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