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Commit c68505df authored by Sujit Reddy Thumma's avatar Sujit Reddy Thumma
Browse files

ARM: dts: msm: Fix bus bandwidth voting for SDHC_2 slot on 8084 



Add bus bandwidth voting parameters for SDHC_2 and SDCC_1 slot,
otherwise bus hang/timeouts may be observed while accessing the
controller registers and the bus is clock gated.

CRs-Fixed: 580000
Change-Id: I2fbf2b7344081a8d31d8d115c230a31f94df84ab
Signed-off-by: default avatarSujit Reddy Thumma <sthumma@codeaurora.org>
parent 39e0d0b3

arch/arm/boot/dts/qti/apq8084.dtsi

+28 −1
Original line number Diff line number Diff line
@@ -324,6 +324,19 @@ 
		interrupt-names = "core_irq";



		qcom,bus-width = <8>;

		qcom,msm-bus,name = "sdcc1";

		qcom,msm-bus,num-cases = <8>;

		qcom,msm-bus,num-paths = <1>;

		qcom,msm-bus,vectors-KBps = <78 512 0 0>, /* No vote */

				<78 512 1600 3200>,    /* 400 KB/s*/

				<78 512 80000 160000>, /* 20 MB/s */

				<78 512 100000 200000>, /* 25 MB/s */

				<78 512 200000 400000>, /* 50 MB/s */

				<78 512 400000 800000>, /* 100 MB/s */

				<78 512 400000 800000>, /* 200 MB/s */

				<78 512 2048000 4096000>; /* Max. bandwidth */

		qcom,bus-bw-vectors-bps = <0 400000 20000000 25000000 50000000

						100000000 200000000 4294967295>;

		status = "disabled";

	};
@@ -366,7 +379,7 @@ 
		qcom,bus-width = <4>;

		qcom,cpu-dma-latency-us = <200>;



		qcom,msm-bus,name = "sdhc2";

		qcom,msm-bus,name = "sdcc2";

		qcom,msm-bus,num-cases = <8>;

		qcom,msm-bus,num-paths = <1>;

		qcom,msm-bus,vectors-KBps = <81 512 0 0>, /* No vote */
@@ -392,6 +405,20 @@ 
		interrupt-names = "hc_irq", "pwr_irq";



		qcom,bus-width = <4>;



		qcom,msm-bus,name = "sdhc2";

		qcom,msm-bus,num-cases = <8>;

		qcom,msm-bus,num-paths = <1>;

		qcom,msm-bus,vectors-KBps = <81 512 0 0>, /* No vote */

				<81 512 1600 3200>,    /* 400 KB/s*/

				<81 512 80000 160000>, /* 20 MB/s */

				<81 512 100000 200000>, /* 25 MB/s */

				<81 512 200000 400000>, /* 50 MB/s */

				<81 512 400000 800000>, /* 100 MB/s */

				<81 512 800000 800000>, /* 200 MB/s */

				<81 512 2048000 4096000>; /* Max. bandwidth */

		qcom,bus-bw-vectors-bps = <0 400000 20000000 25000000 50000000

						100000000 200000000 4294967295>;

		status = "disabled";

	};