Re: [PATCH V3] ARM64: tegra: Add support for Google Pixel C
From: Andrew Bresticker <hidden>
Date: 2016-02-26 18:04:22
Also in:
linux-arm-kernel, linux-tegra
Jon, On Tue, Feb 9, 2016 at 4:26 AM, Jon Hunter [off-list ref] wrote:
Add initial device-tree support for Google Pixel C (a.k.a. Smaug) based upon Tegra210 SoC with 3 GiB of LPDDR4 RAM. Signed-off-by: Jon Hunter <redacted>
Reviewed-by: Andrew Bresticker <redacted> Tested-by: Andrew Bresticker <redacted>
quoted hunk
--- Changes v2 -> v3: - Added PSCI information to enable all 4 CPUs on boot Changes v1 -> v2: - Removed console boot parameter and added stdout-path - Added 32k clock for PMC arch/arm64/boot/dts/nvidia/Makefile | 1 + arch/arm64/boot/dts/nvidia/tegra210-smaug.dts | 83 +++++++++++++++++++++++++++ 2 files changed, 84 insertions(+) create mode 100644 arch/arm64/boot/dts/nvidia/tegra210-smaug.dtsdiff --git a/arch/arm64/boot/dts/nvidia/Makefile b/arch/arm64/boot/dts/nvidia/Makefile index a7e865da1005..0f7cdf3e05c1 100644 --- a/arch/arm64/boot/dts/nvidia/Makefile +++ b/arch/arm64/boot/dts/nvidia/Makefile@@ -2,6 +2,7 @@ dtb-$(CONFIG_ARCH_TEGRA_132_SOC) += tegra132-norrin.dtb dtb-$(CONFIG_ARCH_TEGRA_210_SOC) += tegra210-p2371-0000.dtb dtb-$(CONFIG_ARCH_TEGRA_210_SOC) += tegra210-p2371-2180.dtb dtb-$(CONFIG_ARCH_TEGRA_210_SOC) += tegra210-p2571.dtb +dtb-$(CONFIG_ARCH_TEGRA_210_SOC) += tegra210-smaug.dtb always := $(dtb-y) clean-files := *.dtbdiff --git a/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts b/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts new file mode 100644 index 000000000000..750e85c45135 --- /dev/null +++ b/arch/arm64/boot/dts/nvidia/tegra210-smaug.dts@@ -0,0 +1,83 @@ +/dts-v1/; + +#include "tegra210.dtsi" + +/ { + model = "Google Pixel C"; + compatible = "google,smaug-rev8", "google,smaug-rev7", + "google,smaug-rev6", "google,smaug-rev5", + "google,smaug-rev4", "google,smaug-rev3", + "google,smaug-rev1", "google,smaug", "nvidia,tegra210"; + + aliases { + serial0 = &uarta; + }; + + chosen { + bootargs = "earlycon"; + stdout-path = "serial0:115200n8"; + }; + + memory { + device_type = "memory"; + reg = <0x0 0x80000000 0x0 0xc0000000>; + }; + + serial@0,70006000 { + status = "okay"; + }; + + pmc@0,7000e400 { + nvidia,invert-interrupt; + nvidia,suspend-mode = <0>; + nvidia,cpu-pwr-good-time = <0>; + nvidia,cpu-pwr-off-time = <0>; + nvidia,core-pwr-good-time = <12000 6000>; + nvidia,core-pwr-off-time = <39053>; + nvidia,core-power-req-active-high; + nvidia,sys-clock-req-active-high; + status = "okay"; + }; + + sdhci@0,700b0600 { + bus-width = <8>; + non-removable; + status = "okay"; + }; + + clocks { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <0>; + + clk32k_in: clock@0 { + compatible = "fixed-clock"; + reg = <0>; + #clock-cells = <0>; + clock-frequency = <32768>; + }; + }; + + cpus { + cpu@0 { + enable-method = "psci"; + }; + + cpu@1 { + enable-method = "psci"; + }; + + cpu@2 { + enable-method = "psci"; + }; + + cpu@3 { + enable-method = "psci"; + }; + }; + + psci { + compatible = "arm,psci-1.0"; + method = "smc"; + }; +}; --2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html