From 72da2491976ceb98b72dd160e27bde9cc6fbd4aa Mon Sep 17 00:00:00 2001 From: Peng Fan Date: Sat, 9 May 2020 14:31:51 +0800 Subject: [PATCH] MLK-23954-1 arm64: dts: add i.MX8MN LPDDR4 EVK root/inmate dts Add root/inmate dts. They are almost same as i.MX8MN DDR4 jailhouse dts. Acked-by: Ye Li Signed-off-by: Peng Fan --- arch/arm64/boot/dts/freescale/Makefile | 3 +- .../boot/dts/freescale/imx8mn-evk-inmate.dts | 171 ++++++++++++++++++ .../boot/dts/freescale/imx8mn-evk-root.dts | 90 +++++++++ 3 files changed, 263 insertions(+), 1 deletion(-) create mode 100644 arch/arm64/boot/dts/freescale/imx8mn-evk-inmate.dts create mode 100644 arch/arm64/boot/dts/freescale/imx8mn-evk-root.dts diff --git a/arch/arm64/boot/dts/freescale/Makefile b/arch/arm64/boot/dts/freescale/Makefile index ff8d22933d1f..c9a1296c7264 100644 --- a/arch/arm64/boot/dts/freescale/Makefile +++ b/arch/arm64/boot/dts/freescale/Makefile @@ -34,7 +34,8 @@ dtb-$(CONFIG_ARCH_MXC) += imx8mm-ddr4-evk.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mm-var-som-symphony.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mn-evk.dtb imx8mn-evk-rm67191.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mn-ddr4-evk.dtb imx8mn-ddr4-evk-ak5558.dtb imx8mn-ddr4-evk-rm67191.dtb \ - imx8mn-ddr4-evk-rpmsg.dtb imx8mn-ddr4-evk-root.dtb imx8mn-ddr4-evk-inmate.dtb + imx8mn-ddr4-evk-rpmsg.dtb +dtb-$(CONFIG_ARCH_MXC) += imx8mn-ddr4-evk-root.dtb imx8mn-ddr4-evk-inmate.dtb imx8mn-evk-root.dtb imx8mn-evk-inmate.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mn-var-som-symphony.dtb dtb-$(CONFIG_ARCH_MXC) += imx8mp-evk.dtb imx8mp-evk-rm67191.dtb imx8mp-evk-it6263-lvds-dual-channel.dtb \ imx8mp-evk-pcie-ep.dtb \ diff --git a/arch/arm64/boot/dts/freescale/imx8mn-evk-inmate.dts b/arch/arm64/boot/dts/freescale/imx8mn-evk-inmate.dts new file mode 100644 index 000000000000..74fe9d7c3989 --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx8mn-evk-inmate.dts @@ -0,0 +1,171 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright 2020 NXP + */ + +/dts-v1/; + +#include + +/ { + model = "Freescale i.MX8MN EVK"; + compatible = "fsl,imx8mn-evk", "fsl,imx8mm"; + interrupt-parent = <&gic>; + #address-cells = <2>; + #size-cells = <2>; + + aliases { + serial3 = &uart4; + mmc2 = &usdhc3; + }; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + A53_2: cpu@2 { + device_type = "cpu"; + compatible = "arm,cortex-a53"; + reg = <0x2>; + clock-latency = <61036>; + next-level-cache = <&A53_L2>; + enable-method = "psci"; + #cooling-cells = <2>; + }; + + A53_3: cpu@3 { + device_type = "cpu"; + compatible = "arm,cortex-a53"; + reg = <0x3>; + clock-latency = <61036>; + next-level-cache = <&A53_L2>; + enable-method = "psci"; + #cooling-cells = <2>; + }; + + A53_L2: l2-cache0 { + compatible = "cache"; + }; + }; + + osc_24m: clock-osc-24m { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <24000000>; + clock-output-names = "osc_24m"; + }; + + gic: interrupt-controller@38800000 { + compatible = "arm,gic-v3"; + reg = <0x0 0x38800000 0 0x10000>, /* GIC Dist */ + <0x0 0x38880000 0 0xC0000>; /* GICR (RD_base + SGI_base) */ + #interrupt-cells = <3>; + interrupt-controller; + interrupts = ; + interrupt-parent = <&gic>; + }; + + timer { + compatible = "arm,armv8-timer"; + interrupts = , /* Physical Secure */ + , /* Physical Non-Secure */ + , /* Virtual */ + ; /* Hypervisor */ + clock-frequency = <8333333>; + }; + + clk_dummy: clock@7 { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <0>; + clock-output-names = "clk_dummy"; + }; + + /* The clocks are configured by 1st OS */ + clk_200m: clock@8 { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <200000000>; + clock-output-names = "200m"; + }; + clk_266m: clock@9 { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <266000000>; + clock-output-names = "266m"; + }; + clk_80m: clock@10 { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <80000000>; + clock-output-names = "80m"; + }; + + pci@bb800000 { + compatible = "pci-host-ecam-generic"; + device_type = "pci"; + bus-range = <0 0>; + #address-cells = <3>; + #size-cells = <2>; + #interrupt-cells = <1>; + interrupt-map-mask = <0 0 0 7>; + interrupt-map = <0 0 0 1 &gic GIC_SPI 76 IRQ_TYPE_EDGE_RISING>; + reg = <0x0 0xbb800000 0x0 0x100000>; + ranges = <0x02000000 0x00 0x10000000 0x0 0x10000000 0x00 0x10000>; + }; + + soc@0 { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x0 0x0 0x3e000000>; + dma-ranges = <0x40000000 0x0 0x40000000 0xc0000000>; + + aips3: bus@30800000 { + compatible = "fsl,imx8mq-aips-bus", "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x30800000 0x30800000 0x400000>, + <0x08000000 0x08000000 0x10000000>; + + uart4: serial@30a60000 { + compatible = "fsl,imx8mn-uart", "fsl,imx6q-uart"; + reg = <0x30a60000 0x10000>; + interrupts = ; + status = "disabled"; + }; + + usdhc3: mmc@30b60000 { + compatible = "fsl,imx8mn-usdhc", "fsl,imx8mm-usdhc"; + reg = <0x30b60000 0x10000>; + interrupts = ; + clock-names = "ipg", "ahb", "per"; + fsl,tuning-start-tap = <20>; + fsl,tuning-step= <2>; + bus-width = <4>; + status = "disabled"; + }; + }; + }; +}; + +&uart4 { + clocks = <&osc_24m>, + <&osc_24m>; + clock-names = "ipg", "per"; + /delete-property/ dmas; + /delete-property/ dmas-names; + status = "okay"; +}; + +&usdhc3 { + clocks = <&clk_dummy>, + <&clk_266m>, + <&clk_200m>; + /delete-property/assigned-clocks; + /delete-property/assigned-clock-rates; + clock-names = "ipg", "ahb", "per"; + bus-width = <8>; + non-removable; + status = "okay"; +}; diff --git a/arch/arm64/boot/dts/freescale/imx8mn-evk-root.dts b/arch/arm64/boot/dts/freescale/imx8mn-evk-root.dts new file mode 100644 index 000000000000..d0f8eaf92f34 --- /dev/null +++ b/arch/arm64/boot/dts/freescale/imx8mn-evk-root.dts @@ -0,0 +1,90 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright 2020 NXP + */ + +#include "imx8mn-evk.dts" + +&{/} { + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + ranges; + + linux,cma { + compatible = "shared-dma-pool"; + reusable; + size = <0 0x28000000>; + alloc-ranges = <0 0x40000000 0 0x93c00000>; + linux,cma-default; + }; + + ivshmem_reserved: ivshmem@0xbbb00000 { + no-map; + reg = <0 0xbbb00000 0x0 0x00100000>; + }; + + ivshmem2_reserved: ivshmem2@0xbba00000 { + no-map; + reg = <0 0xbba00000 0x0 0x00100000>; + }; + + pci_reserved: pci@0xbb800000 { + no-map; + reg = <0 0xbb800000 0x0 0x00200000>; + }; + + loader_reserved: loader@0xbb700000 { + no-map; + reg = <0 0xbb700000 0x0 0x00100000>; + }; + + jh_reserved: jh@0xb7c00000 { + no-map; + reg = <0 0xb7c00000 0x0 0x00400000>; + }; + + /* 512MB */ + inmate_reserved: inmate@0x93c00000 { + no-map; + reg = <0 0x93c00000 0x0 0x24000000>; + }; + }; +}; + +&iomuxc { + /* + * Used for the 2nd Linux. + * TODO: M4 may use these pins. + */ + imx8mn-evk { + pinctrl_uart4: uart4grp { + fsl,pins = < + MX8MN_IOMUXC_UART4_RXD_UART4_DCE_RX 0x140 + MX8MN_IOMUXC_UART4_TXD_UART4_DCE_TX 0x140 + >; + }; + }; +}; + +&clk { + init-on-array = ; +}; + +&uart2 { + pinctrl-0 = <&pinctrl_uart2>, <&pinctrl_uart4>; + assigned-clocks = <&clk IMX8MN_CLK_UART4>; + assigned-clock-parents = <&clk IMX8MN_CLK_24M>; +}; + +&usdhc3 { + status = "disabled"; +}; + +&usdhc2 { + pinctrl-0 = <&pinctrl_usdhc3>, <&pinctrl_usdhc2>, <&pinctrl_usdhc2_gpio>; + pinctrl-1 = <&pinctrl_usdhc3>, <&pinctrl_usdhc2_100mhz>, <&pinctrl_usdhc2_gpio>; + pinctrl-2 = <&pinctrl_usdhc3>, <&pinctrl_usdhc2_200mhz>, <&pinctrl_usdhc2_gpio>; +}; -- 2.17.1