[PATCH 01/10] arm64: dts: qcom: sm6350: Add resets for SDHCI 1/2

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Make sure the SDHCI hardware is properly reset before interacting with
it, to protect against any possibly indeterminate state left by the
bootloader.

Suggested-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxx>
Signed-off-by: Marijn Suijten <marijn.suijten@xxxxxxxxxxxxxx>
---
 arch/arm64/boot/dts/qcom/sm6350.dtsi | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm6350.dtsi b/arch/arm64/boot/dts/qcom/sm6350.dtsi
index c39de7d3ace0..a3ae765d9781 100644
--- a/arch/arm64/boot/dts/qcom/sm6350.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm6350.dtsi
@@ -490,6 +490,7 @@ sdhc_1: mmc@7c4000 {
 				 <&gcc GCC_SDCC1_APPS_CLK>,
 				 <&rpmhcc RPMH_CXO_CLK>;
 			clock-names = "iface", "core", "xo";
+			resets = <&gcc GCC_SDCC1_BCR>;
 			qcom,dll-config = <0x000f642c>;
 			qcom,ddr-config = <0x80040868>;
 			power-domains = <&rpmhpd SM6350_CX>;
@@ -1068,6 +1069,7 @@ sdhc_2: mmc@8804000 {
 				 <&gcc GCC_SDCC2_APPS_CLK>,
 				 <&rpmhcc RPMH_CXO_CLK>;
 			clock-names = "iface", "core", "xo";
+			resets = <&gcc GCC_SDCC2_BCR>;
 			interconnects = <&aggre2_noc MASTER_SDCC_2 0 &clk_virt SLAVE_EBI_CH0 0>,
 					<&gem_noc MASTER_AMPSS_M0 0 &config_noc SLAVE_SDCC_2 0>;
 			interconnect-names = "sdhc-ddr", "cpu-sdhc";
-- 
2.38.1




[Index of Archives]     [Device Tree Compilter]     [Device Tree Spec]     [Linux Driver Backports]     [Video for Linux]     [Linux USB Devel]     [Linux PCI Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Yosemite Backpacking]


  Powered by Linux