linux-kernel - [PATCH V2] arm64: dts: qcom: sc7280: Enable gcc HW reset

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Date:   Thu, 10 Mar 2022 20:15:03 +0530
From:   Shaik Sajida Bhanu <quic_c_sbhanu@...cinc.com>
To:     krzk+dt@...nel.org, agross@...nel.org, bjorn.andersson@...aro.org,
        robh+dt@...nel.org
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, quic_asutoshd@...cinc.com,
        quic_rampraka@...cinc.com, quic_pragalla@...cinc.com,
        quic_sartgarg@...cinc.com, quic_nitirawa@...cinc.com,
        quic_sayalil@...cinc.com,
        Shaik Sajida Bhanu <quic_c_sbhanu@...cinc.com>
Subject: [PATCH V2] arm64: dts: qcom: sc7280: Enable gcc HW reset

Enable gcc HW reset for eMMC and SD card.

Signed-off-by: Shaik Sajida Bhanu <quic_c_sbhanu@...cinc.com>
---

Changes since V1:
	- Updated commit message, subject and comments in dtsi file as
	  suggested by Krzysztof Kozlowski.
---
 arch/arm64/boot/dts/qcom/sc7280.dtsi | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi
index c07765d..721abf5 100644
--- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
@@ -881,6 +881,9 @@
 			mmc-hs400-1_8v;
 			mmc-hs400-enhanced-strobe;
 
+			/* Add gcc hw reset dt entry for eMMC */
+			resets = <&gcc GCC_SDCC1_BCR>;
+			reset-names = "core_reset";
 			sdhc1_opp_table: opp-table {
 				compatible = "operating-points-v2";
 
@@ -2686,6 +2689,9 @@
 
 			qcom,dll-config = <0x0007642c>;
 
+			/* Add gcc hw reset dt entry for SD card */
+			resets = <&gcc GCC_SDCC2_BCR>;
+			reset-names = "core_reset";
 			sdhc2_opp_table: opp-table {
 				compatible = "operating-points-v2";
 
-- 
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