Re: [PATCH v4 3/3] ARM64: dts: meson-gx: Add MALI nodes for GXBB and GXL

[Kevin Hilman]

Neil Armstrong <narmstrong@xxxxxxxxxxxx> writes:

> The same MALI-450 MP3 GPU is present in the GXBB and GXL SoCs.
>
> The node is simply added in the meson-gxbb.dtsi file.
>
> For GXL, since a lot is shared with the GXM that has a MALI-T820 IP, this
> patch adds a new meson-gxl-mali.dtsi and is included in the SoC specific
> dtsi files.
>
> Signed-off-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx>

LGTM, I can apply this when the clk driver changes are merged (feel free
to let me know when that happens, in case I'm not paying attention.)

<bikeshed>
nit: This series (and previous ones) use MALI, but I believe the correct
way is Mali. Could you standarize on that throughout the series?
</bikeshed>

Kevin

> ---
>  arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi      | 37 ++++++++++++++++++++
>  arch/arm64/boot/dts/amlogic/meson-gxl-mali.dtsi  | 43 ++++++++++++++++++++++++
>  arch/arm64/boot/dts/amlogic/meson-gxl-s905d.dtsi |  1 +
>  arch/arm64/boot/dts/amlogic/meson-gxl-s905x.dtsi |  1 +
>  4 files changed, 82 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/amlogic/meson-gxl-mali.dtsi
>
> diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
> index 04b3324..0617a3d 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
> +++ b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
> @@ -478,6 +478,43 @@
>  	};
>  };
>  
> +&apb {
> +	mali: gpu@c0000 {
> +		compatible = "amlogic,meson-gxbb-mali", "arm,mali-450";
> +		reg = <0x0 0xc0000 0x0 0x40000>;
> +		interrupts = <GIC_SPI 160 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 161 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 162 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 163 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 164 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 165 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 166 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 167 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 168 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 169 IRQ_TYPE_LEVEL_HIGH>;
> +		interrupt-names = "gp", "gpmmu", "pp", "pmu",
> +			"pp0", "ppmmu0", "pp1", "ppmmu1",
> +			"pp2", "ppmmu2";
> +		clocks = <&clkc CLKID_CLK81>, <&clkc CLKID_MALI>;
> +		clock-names = "bus", "core";
> +
> +		/*
> +		 * Mali clocking is provided by two identical clock paths
> +		 * MALI_0 and MALI_1 muxed to a single clock by a glitch
> +		 * free mux to safely change frequency while running.
> +		 */
> +		assigned-clocks = <&clkc CLKID_MALI_0_SEL>,
> +				  <&clkc CLKID_MALI_0>,
> +				  <&clkc CLKID_MALI>; /* Glitch free mux */
> +		assigned-clock-parents = <&clkc CLKID_FCLK_DIV3>,
> +					 <0>, /* Do Nothing */
> +					 <&clkc CLKID_MALI_0>;
> +		assigned-clock-rates = <0>, /* Do Nothing */
> +				       <666666666>,
> +				       <0>; /* Do Nothing */
> +	};
> +};
> +
>  &i2c_A {
>  	clocks = <&clkc CLKID_I2C>;
>  };
> diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-mali.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxl-mali.dtsi
> new file mode 100644
> index 0000000..f06cc234
> --- /dev/null
> +++ b/arch/arm64/boot/dts/amlogic/meson-gxl-mali.dtsi
> @@ -0,0 +1,43 @@
> +/*
> + * Copyright (c) 2017 BayLibre SAS
> + * Author: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
> + *
> + * SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> + */
> +
> +&apb {
> +	mali: gpu@c0000 {
> +		compatible = "amlogic,meson-gxbb-mali", "arm,mali-450";
> +		reg = <0x0 0xc0000 0x0 0x40000>;
> +		interrupts = <GIC_SPI 160 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 161 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 162 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 163 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 164 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 165 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 166 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 167 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 168 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI 169 IRQ_TYPE_LEVEL_HIGH>;
> +		interrupt-names = "gp", "gpmmu", "pp", "pmu",
> +			"pp0", "ppmmu0", "pp1", "ppmmu1",
> +			"pp2", "ppmmu2";
> +		clocks = <&clkc CLKID_CLK81>, <&clkc CLKID_MALI>;
> +		clock-names = "bus", "core";
> +
> +		/*
> +		 * Mali clocking is provided by two identical clock paths
> +		 * MALI_0 and MALI_1 muxed to a single clock by a glitch
> +		 * free mux to safely change frequency while running.
> +		 */
> +		assigned-clocks = <&clkc CLKID_MALI_0_SEL>,
> +				  <&clkc CLKID_MALI_0>,
> +				  <&clkc CLKID_MALI>; /* Glitch free mux */
> +		assigned-clock-parents = <&clkc CLKID_FCLK_DIV3>,
> +					 <0>, /* Do Nothing */
> +					 <&clkc CLKID_MALI_0>;
> +		assigned-clock-rates = <0>, /* Do Nothing */
> +				       <666666666>,
> +				       <0>; /* Do Nothing */
> +	};
> +};
> diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905d.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxl-s905d.dtsi
> index 615308e..5a90e30 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905d.dtsi
> +++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905d.dtsi
> @@ -42,6 +42,7 @@
>   */
>  
>  #include "meson-gxl.dtsi"
> +#include "meson-gxl-mali.dtsi"
>  
>  / {
>  	compatible = "amlogic,s905d", "amlogic,meson-gxl";
> diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x.dtsi
> index 08237ee..0f78d83 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x.dtsi
> +++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x.dtsi
> @@ -42,6 +42,7 @@
>   */
>  
>  #include "meson-gxl.dtsi"
> +#include "meson-gxl-mali.dtsi"
>  
>  / {
>  	compatible = "amlogic,s905x", "amlogic,meson-gxl";