Re: [PATCH V1] arm64: dts: qcom: sc7180: Added xo clock for eMMC and Sd card

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On 2021-06-11 10:00, Bjorn Andersson wrote:
On Thu 10 Jun 02:11 CDT 2021, Shaik Sajida Bhanu wrote:

Added xo clock for eMMC and Sd card.

Was about to push out my branch of patches, but before I do. Can you
please describe WHY this is needed?

Regards,
Bjorn

We are making use of this clock in dll register value calculation,
The default PoR value is also same as calculated value for
HS200/HS400/SDR104 modes.
But just not to rely on default register values we need this entry.



Signed-off-by: Shaik Sajida Bhanu <sbhanu@xxxxxxxxxxxxxx>
---
 arch/arm64/boot/dts/qcom/sc7180.dtsi | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
index 295844e..5bb6bd4 100644
--- a/arch/arm64/boot/dts/qcom/sc7180.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
@@ -701,8 +701,9 @@
 			interrupt-names = "hc_irq", "pwr_irq";

 			clocks = <&gcc GCC_SDCC1_APPS_CLK>,
-					<&gcc GCC_SDCC1_AHB_CLK>;
-			clock-names = "core", "iface";
+					<&gcc GCC_SDCC1_AHB_CLK>,
+					<&rpmhcc RPMH_CXO_CLK>;
+			clock-names = "core", "iface","xo";
 			interconnects = <&aggre1_noc MASTER_EMMC 0 &mc_virt SLAVE_EBI1 0>,
 					<&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_EMMC_CFG 0>;
 			interconnect-names = "sdhc-ddr","cpu-sdhc";
@@ -2666,8 +2667,9 @@
 			interrupt-names = "hc_irq", "pwr_irq";

 			clocks = <&gcc GCC_SDCC2_APPS_CLK>,
-					<&gcc GCC_SDCC2_AHB_CLK>;
-			clock-names = "core", "iface";
+					<&gcc GCC_SDCC2_AHB_CLK>,
+					<&rpmhcc RPMH_CXO_CLK>;
+			clock-names = "core", "iface", "xo";

interconnects = <&aggre1_noc MASTER_SDCC_2 0 &mc_virt SLAVE_EBI1 0>,
 					<&gem_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_SDCC_2 0>;
--
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
of Code Aurora Forum, hosted by The Linux Foundation




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