* [PATCH] ARM: dts: exynos: Add audio power domain support to Exynos542x SoCs [not found] <CGME20161222141755epcas5p4549c18c84aa823c553bb33a12eb82ee2@epcas5p4.samsung.com> @ 2016-12-22 14:17 ` Marek Szyprowski 2016-12-23 2:17 ` Krzysztof Kozlowski 0 siblings, 1 reply; 3+ messages in thread From: Marek Szyprowski @ 2016-12-22 14:17 UTC (permalink / raw) To: linux-samsung-soc Cc: Marek Szyprowski, Sylwester Nawrocki, Krzysztof Kozlowski, Bartlomiej Zolnierkiewicz Audio power domain includes following hardware modules: Pin controller for GPZ bank, AudioSS clock controller, PL330 ADMA device and Exynos I2S controller. Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> --- Currently this domain will not be turned off, because pinctrl and clock controller don't support runtime PM and PL330 ADMA requires irq-safe runtime PM. Separate patches for those devices/subsystems will be posted to get proper runtime PM available and finally let this power domain to be turned off. --- arch/arm/boot/dts/exynos5420.dtsi | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi index 0154c2e..d9ebc33 100644 --- a/arch/arm/boot/dts/exynos5420.dtsi +++ b/arch/arm/boot/dts/exynos5420.dtsi @@ -188,6 +188,7 @@ clocks = <&clock CLK_FIN_PLL>, <&clock CLK_MAU_EPLL>, <&clock CLK_SCLK_MAUDIO0>, <&clock CLK_SCLK_MAUPCM0>; clock-names = "pll_ref", "pll_in", "sclk_audio", "sclk_pcm_in"; + power-domains = <&mau_pd>; }; mfc: codec@11000000 { @@ -317,6 +318,12 @@ clock-names = "oscclk", "clk0", "clk1", "clk2", "asb0", "asb1"; }; + mau_pd: power-domain@100440E0 { + compatible = "samsung,exynos4210-pd"; + reg = <0x100440E0 0x20>; + #power-domain-cells = <0>; + }; + pinctrl_0: pinctrl@13400000 { compatible = "samsung,exynos5420-pinctrl"; reg = <0x13400000 0x1000>; @@ -351,6 +358,7 @@ compatible = "samsung,exynos5420-pinctrl"; reg = <0x03860000 0x1000>; interrupts = <0 47 IRQ_TYPE_LEVEL_HIGH>; + power-domains = <&mau_pd>; }; amba { @@ -369,6 +377,7 @@ #dma-cells = <1>; #dma-channels = <6>; #dma-requests = <16>; + power-domains = <&mau_pd>; }; pdma0: pdma@121A0000 { @@ -441,6 +450,7 @@ samsung,idma-addr = <0x03000000>; pinctrl-names = "default"; pinctrl-0 = <&i2s0_bus>; + power-domains = <&mau_pd>; status = "disabled"; }; -- 1.9.1 ^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] ARM: dts: exynos: Add audio power domain support to Exynos542x SoCs 2016-12-22 14:17 ` [PATCH] ARM: dts: exynos: Add audio power domain support to Exynos542x SoCs Marek Szyprowski @ 2016-12-23 2:17 ` Krzysztof Kozlowski 2016-12-23 11:52 ` Marek Szyprowski 0 siblings, 1 reply; 3+ messages in thread From: Krzysztof Kozlowski @ 2016-12-23 2:17 UTC (permalink / raw) To: Marek Szyprowski Cc: linux-samsung-soc, Sylwester Nawrocki, Krzysztof Kozlowski, Bartlomiej Zolnierkiewicz On Thu, Dec 22, 2016 at 03:17:44PM +0100, Marek Szyprowski wrote: > Audio power domain includes following hardware modules: Pin controller > for GPZ bank, AudioSS clock controller, PL330 ADMA device and Exynos I2S > controller. > > Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> > --- > Currently this domain will not be turned off, because pinctrl and clock > controller don't support runtime PM and PL330 ADMA requires irq-safe runtime > PM. Separate patches for those devices/subsystems will be posted to get > proper runtime PM available and finally let this power domain to be turned > off. > --- > arch/arm/boot/dts/exynos5420.dtsi | 10 ++++++++++ > 1 file changed, 10 insertions(+) The issue discovered by me here: http://lkml.iu.edu/hypermail/linux/kernel/1502.1/01733.html does not happen anymore? Best regards, Krzysztof > diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi > index 0154c2e..d9ebc33 100644 > --- a/arch/arm/boot/dts/exynos5420.dtsi > +++ b/arch/arm/boot/dts/exynos5420.dtsi > @@ -188,6 +188,7 @@ > clocks = <&clock CLK_FIN_PLL>, <&clock CLK_MAU_EPLL>, > <&clock CLK_SCLK_MAUDIO0>, <&clock CLK_SCLK_MAUPCM0>; > clock-names = "pll_ref", "pll_in", "sclk_audio", "sclk_pcm_in"; > + power-domains = <&mau_pd>; > }; > > mfc: codec@11000000 { > @@ -317,6 +318,12 @@ > clock-names = "oscclk", "clk0", "clk1", "clk2", "asb0", "asb1"; > }; > > + mau_pd: power-domain@100440E0 { > + compatible = "samsung,exynos4210-pd"; > + reg = <0x100440E0 0x20>; > + #power-domain-cells = <0>; > + }; > + > pinctrl_0: pinctrl@13400000 { > compatible = "samsung,exynos5420-pinctrl"; > reg = <0x13400000 0x1000>; > @@ -351,6 +358,7 @@ > compatible = "samsung,exynos5420-pinctrl"; > reg = <0x03860000 0x1000>; > interrupts = <0 47 IRQ_TYPE_LEVEL_HIGH>; > + power-domains = <&mau_pd>; > }; > > amba { > @@ -369,6 +377,7 @@ > #dma-cells = <1>; > #dma-channels = <6>; > #dma-requests = <16>; > + power-domains = <&mau_pd>; > }; > > pdma0: pdma@121A0000 { > @@ -441,6 +450,7 @@ > samsung,idma-addr = <0x03000000>; > pinctrl-names = "default"; > pinctrl-0 = <&i2s0_bus>; > + power-domains = <&mau_pd>; > status = "disabled"; > }; > > -- > 1.9.1 > ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] ARM: dts: exynos: Add audio power domain support to Exynos542x SoCs 2016-12-23 2:17 ` Krzysztof Kozlowski @ 2016-12-23 11:52 ` Marek Szyprowski 0 siblings, 0 replies; 3+ messages in thread From: Marek Szyprowski @ 2016-12-23 11:52 UTC (permalink / raw) To: Krzysztof Kozlowski Cc: linux-samsung-soc, Sylwester Nawrocki, Bartlomiej Zolnierkiewicz Hi Krzysztof, On 2016-12-23 03:17, Krzysztof Kozlowski wrote: > On Thu, Dec 22, 2016 at 03:17:44PM +0100, Marek Szyprowski wrote: >> Audio power domain includes following hardware modules: Pin controller >> for GPZ bank, AudioSS clock controller, PL330 ADMA device and Exynos I2S >> controller. >> >> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> >> --- >> Currently this domain will not be turned off, because pinctrl and clock >> controller don't support runtime PM and PL330 ADMA requires irq-safe runtime >> PM. Separate patches for those devices/subsystems will be posted to get >> proper runtime PM available and finally let this power domain to be turned >> off. >> --- >> arch/arm/boot/dts/exynos5420.dtsi | 10 ++++++++++ >> 1 file changed, 10 insertions(+) > > The issue discovered by me here: > http://lkml.iu.edu/hypermail/linux/kernel/1502.1/01733.html > does not happen anymore? Right, it is still valid if we consider this patch alone. I will move it then to Exynos pin controller runtime pm patchset, which solves it. I will send in a few minutes. > > Best regards, > Krzysztof > >> diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi >> index 0154c2e..d9ebc33 100644 >> --- a/arch/arm/boot/dts/exynos5420.dtsi >> +++ b/arch/arm/boot/dts/exynos5420.dtsi >> @@ -188,6 +188,7 @@ >> clocks = <&clock CLK_FIN_PLL>, <&clock CLK_MAU_EPLL>, >> <&clock CLK_SCLK_MAUDIO0>, <&clock CLK_SCLK_MAUPCM0>; >> clock-names = "pll_ref", "pll_in", "sclk_audio", "sclk_pcm_in"; >> + power-domains = <&mau_pd>; >> }; >> >> mfc: codec@11000000 { >> @@ -317,6 +318,12 @@ >> clock-names = "oscclk", "clk0", "clk1", "clk2", "asb0", "asb1"; >> }; >> >> + mau_pd: power-domain@100440E0 { >> + compatible = "samsung,exynos4210-pd"; >> + reg = <0x100440E0 0x20>; >> + #power-domain-cells = <0>; >> + }; >> + >> pinctrl_0: pinctrl@13400000 { >> compatible = "samsung,exynos5420-pinctrl"; >> reg = <0x13400000 0x1000>; >> @@ -351,6 +358,7 @@ >> compatible = "samsung,exynos5420-pinctrl"; >> reg = <0x03860000 0x1000>; >> interrupts = <0 47 IRQ_TYPE_LEVEL_HIGH>; >> + power-domains = <&mau_pd>; >> }; >> >> amba { >> @@ -369,6 +377,7 @@ >> #dma-cells = <1>; >> #dma-channels = <6>; >> #dma-requests = <16>; >> + power-domains = <&mau_pd>; >> }; >> >> pdma0: pdma@121A0000 { >> @@ -441,6 +450,7 @@ >> samsung,idma-addr = <0x03000000>; >> pinctrl-names = "default"; >> pinctrl-0 = <&i2s0_bus>; >> + power-domains = <&mau_pd>; >> status = "disabled"; >> }; >> >> -- >> 1.9.1 >> > > Best regards -- Marek Szyprowski, PhD Samsung R&D Institute Poland ^ permalink raw reply [flat|nested] 3+ messages in thread
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2016-12-22 14:17 ` [PATCH] ARM: dts: exynos: Add audio power domain support to Exynos542x SoCs Marek Szyprowski
2016-12-23 2:17 ` Krzysztof Kozlowski
2016-12-23 11:52 ` Marek Szyprowski
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