Messages in this thread Patch in this message | | | From | Neil Armstrong <> | Subject | [PATCH 1/4] ARM64: dts: meson-gx: add VPU power domain | Date | Tue, 17 Oct 2017 10:29:08 +0200 |
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This patch adds support for the VPU Power Domain nodes, and attaches the VPU power domain to the VPU node.
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> --- arch/arm64/boot/dts/amlogic/meson-gx.dtsi | 11 ++++++++ arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi | 43 +++++++++++++++++++++++++++++ arch/arm64/boot/dts/amlogic/meson-gxl.dtsi | 43 +++++++++++++++++++++++++++++ 3 files changed, 97 insertions(+)
diff --git a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi index f175db8..80a0f2b 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi @@ -371,6 +371,12 @@ compatible = "amlogic,meson-gx-ao-sysctrl", "syscon", "simple-mfd"; reg = <0x0 0x0 0x0 0x100>; + pwrc_vpu: power-controller-vpu { + compatible = "amlogic,meson-gx-pwrc-vpu"; + #power-domain-cells = <0>; + amlogic,hhi-sysctrl = <&sysctrl>; + }; + clkc_AO: clock-controller { compatible = "amlogic,meson-gx-aoclkc"; #clock-cells = <1>; @@ -448,6 +454,11 @@ #size-cells = <2>; ranges = <0x0 0x0 0x0 0xc883c000 0x0 0x2000>; + sysctrl: system-controller@0 { + compatible = "amlogic,meson-gx-hhi-sysctrl", "syscon", "simple-mfd"; + reg = <0 0 0 0x400>; + }; + mailbox: mailbox@404 { compatible = "amlogic,meson-gx-mhu", "amlogic,meson-gxbb-mhu"; reg = <0 0x404 0 0x4c>; diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi index 3d41db9..512f3dd 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi @@ -688,6 +688,48 @@ }; }; +&pwrc_vpu { + resets = <&reset RESET_VIU>, + <&reset RESET_VENC>, + <&reset RESET_VCBUS>, + <&reset RESET_BT656>, + <&reset RESET_DVIN_RESET>, + <&reset RESET_RDMA>, + <&reset RESET_VENCI>, + <&reset RESET_VENCP>, + <&reset RESET_VDAC>, + <&reset RESET_VDI6>, + <&reset RESET_VENCL>, + <&reset RESET_VID_LOCK>; + clocks = <&clkc CLKID_VPU>, + <&clkc CLKID_VAPB>; + clock-names = "vpu", "vapb"; + /* + * VPU clocking is provided by two identical clock paths + * VPU_0 and VPU_1 muxed to a single clock by a glitch + * free mux to safely change frequency while running. + * Same for VAPB but with a final gate after the glitch free mux. + */ + assigned-clocks = <&clkc CLKID_VPU_0_SEL>, + <&clkc CLKID_VPU_0>, + <&clkc CLKID_VPU>, /* Glitch free mux */ + <&clkc CLKID_VAPB_0_SEL>, + <&clkc CLKID_VAPB_0>, + <&clkc CLKID_VAPB_SEL>; /* Glitch free mux */ + assigned-clock-parents = <&clkc CLKID_FCLK_DIV3>, + <0>, /* Do Nothing */ + <&clkc CLKID_VPU_0>, + <&clkc CLKID_FCLK_DIV4>, + <0>, /* Do Nothing */ + <&clkc CLKID_VAPB_0>; + assigned-clock-rates = <0>, /* Do Nothing */ + <666666666>, + <0>, /* Do Nothing */ + <0>, /* Do Nothing */ + <250000000>, + <0>; /* Do Nothing */ +}; + &saradc { compatible = "amlogic,meson-gxbb-saradc", "amlogic,meson-saradc"; clocks = <&xtal>, @@ -757,4 +799,5 @@ &vpu { compatible = "amlogic,meson-gxbb-vpu", "amlogic,meson-gx-vpu"; + power-domains = <&pwrc_vpu>; }; diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi index 19c001a..68f6564 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi @@ -630,6 +630,48 @@ }; }; +&pwrc_vpu { + resets = <&reset RESET_VIU>, + <&reset RESET_VENC>, + <&reset RESET_VCBUS>, + <&reset RESET_BT656>, + <&reset RESET_DVIN_RESET>, + <&reset RESET_RDMA>, + <&reset RESET_VENCI>, + <&reset RESET_VENCP>, + <&reset RESET_VDAC>, + <&reset RESET_VDI6>, + <&reset RESET_VENCL>, + <&reset RESET_VID_LOCK>; + clocks = <&clkc CLKID_VPU>, + <&clkc CLKID_VAPB>; + clock-names = "vpu", "vapb"; + /* + * VPU clocking is provided by two identical clock paths + * VPU_0 and VPU_1 muxed to a single clock by a glitch + * free mux to safely change frequency while running. + * Same for VAPB but with a final gate after the glitch free mux. + */ + assigned-clocks = <&clkc CLKID_VPU_0_SEL>, + <&clkc CLKID_VPU_0>, + <&clkc CLKID_VPU>, /* Glitch free mux */ + <&clkc CLKID_VAPB_0_SEL>, + <&clkc CLKID_VAPB_0>, + <&clkc CLKID_VAPB_SEL>; /* Glitch free mux */ + assigned-clock-parents = <&clkc CLKID_FCLK_DIV3>, + <0>, /* Do Nothing */ + <&clkc CLKID_VPU_0>, + <&clkc CLKID_FCLK_DIV4>, + <0>, /* Do Nothing */ + <&clkc CLKID_VAPB_0>; + assigned-clock-rates = <0>, /* Do Nothing */ + <666666666>, + <0>, /* Do Nothing */ + <0>, /* Do Nothing */ + <250000000>, + <0>; /* Do Nothing */ +}; + &saradc { compatible = "amlogic,meson-gxl-saradc", "amlogic,meson-saradc"; clocks = <&xtal>, @@ -699,4 +741,5 @@ &vpu { compatible = "amlogic,meson-gxl-vpu", "amlogic,meson-gx-vpu"; + power-domains = <&pwrc_vpu>; }; -- 2.7.4
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