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Commit e67ef503 authored by Konstantin Dorfman's avatar Konstantin Dorfman
Browse files

ARM: dts: msm: update sdhc node bus vectors for msm8994 



Add bus vectors to use with the bus scaling driver for sdhc nodes.
This will ensure that the is a minimum amount of performance guaranteed
by the driver.
Support for HS400 eMMC mode bus scaling for sdhc_1.

Change-Id: I9560740b934cc74adfc404bef683e3b125d644d9
Signed-off-by: default avatarKonstantin Dorfman <kdorfman@codeaurora.org>
parent d81481d4

arch/arm/boot/dts/qcom/msm8994.dtsi

+20 −3
Original line number Diff line number Diff line
@@ -850,10 +850,10 @@ 
		interrupt-names = "hc_irq", "pwr_irq";



		qcom,bus-width = <8>;

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

		qcom,cpu-dma-latency-us = <701>;



		qcom,msm-bus,name = "sdhc1";

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

		qcom,msm-bus,num-cases = <9>;

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

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

			<78 512 1600 3200>,       /* 400 KB/s*/
@@ -862,9 +862,10 @@ 
			<78 512 200000 400000>,   /* 50 MB/s */

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

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

			<78 512 400000 800000>,   /* 400 MB/s */

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

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

			100000000 200000000 4294967295>;

			100000000 200000000 400000000 4294967295>;



		clock-names = "iface_clk", "core_clk";

		clocks = <&clock_gcc clk_gcc_sdcc1_ahb_clk>,
@@ -886,6 +887,22 @@ 
			 <&clock_gcc clk_gcc_sdcc2_apps_clk>;



		qcom,bus-width = <4>;

		qcom,cpu-dma-latency-us = <701>;



		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";

	};