On 03/06/2019 14:00, Anand Moon wrote:
> Hi Niel,
>
> On Mon, 3 Jun 2019 at 14:41, Neil Armstrong <narmstr...@baylibre.com> wrote:
>>
>> This patch adds basic support for :
>> - Amlogic G12B, which is very similar to G12A
>> - The HardKernel Odroid-N2 based on the S922X SoC
>>
>> The Amlogic G12B SoC is very similar with the G12A SoC, sharing
>> most of the features and architecture, but with these differences :
>> - The first CPU cluster only has 2xCortex-A53 instead of 4
>> - G12B has a second cluster of 4xCortex-A73
>> - Both cluster can achieve 2GHz instead of 1,8GHz for G12A
>> - CPU Clock architecture is difference, thus needing a different
>> compatible to handle this slight difference
>> - Supports a MIPI CSI input
>> - Embeds a Mali-G52 instead of a Mali-G31, but integration is the same
>>
>> Actual support is done in the same way as for the GXM support, including
>> the G12A dtsi and redefining the CPU clusters.
>> Unlike GXM, the first cluster is different, thus needing to remove
>> the last 2 cpu nodes of the first cluster.
>>
>> Signed-off-by: Neil Armstrong <narmstr...@baylibre.com>
>> Reviewed-by: Martin Blumenstingl <martin.blumensti...@googlemail.com>
>> ---
>> arch/arm64/boot/dts/amlogic/Makefile | 1 +
>> .../boot/dts/amlogic/meson-g12b-odroid-n2.dts | 289 ++++++++++++++++++
>> arch/arm64/boot/dts/amlogic/meson-g12b.dtsi | 82 +++++
>> 3 files changed, 372 insertions(+)
>> create mode 100644 arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts
>> create mode 100644 arch/arm64/boot/dts/amlogic/meson-g12b.dtsi
>>
>> diff --git a/arch/arm64/boot/dts/amlogic/Makefile
>> b/arch/arm64/boot/dts/amlogic/Makefile
>> index e129c03ced14..07b861fe5fa5 100644
>> --- a/arch/arm64/boot/dts/amlogic/Makefile
>> +++ b/arch/arm64/boot/dts/amlogic/Makefile
>> @@ -3,6 +3,7 @@ dtb-$(CONFIG_ARCH_MESON) += meson-axg-s400.dtb
>> dtb-$(CONFIG_ARCH_MESON) += meson-g12a-sei510.dtb
>> dtb-$(CONFIG_ARCH_MESON) += meson-g12a-u200.dtb
>> dtb-$(CONFIG_ARCH_MESON) += meson-g12a-x96-max.dtb
>> +dtb-$(CONFIG_ARCH_MESON) += meson-g12b-odroid-n2.dtb
>> dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-nanopi-k2.dtb
>> dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-nexbox-a95x.dtb
>> dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-odroidc2.dtb
>> diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts
>> b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts
>> new file mode 100644
>> index 000000000000..161d8f0ff4f3
>> --- /dev/null
>> +++ b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts
>> @@ -0,0 +1,289 @@
>> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
>> +/*
>> + * Copyright (c) 2019 BayLibre, SAS
>> + * Author: Neil Armstrong <narmstr...@baylibre.com>
>> + */
>> +
>> +/dts-v1/;
>> +
>> +#include "meson-g12b.dtsi"
>> +#include <dt-bindings/input/input.h>
>> +#include <dt-bindings/gpio/meson-g12a-gpio.h>
>> +
>> +/ {
>> + compatible = "hardkernel,odroid-n2", "amlogic,g12b";
>> + model = "Hardkernel ODROID-N2";
>> +
>> + aliases {
>> + serial0 = &uart_AO;
>> + ethernet0 = ðmac;
>> + };
>> +
[...]
>> +
>> + main_12v: regulator-main_12v {
>> + compatible = "regulator-fixed";
>> + regulator-name = "12V";
>> + regulator-min-microvolt = <12000000>;
>> + regulator-max-microvolt = <12000000>;
>> + regulator-always-on;
>> + };
>> +
>> + vcc_5v: regulator-vcc_5v {
>> + compatible = "regulator-fixed";
>> + regulator-name = "5V";
>> + regulator-min-microvolt = <5000000>;
>> + regulator-max-microvolt = <5000000>;
>> + regulator-always-on;
>
> As per odroid-n2_rev0.4_20190307 schematic its missing.
> vin-supply = <&main_12v>;
>
> With this please add my.
> Tested-by: Anand Moon <linux.am...@gmail.com>
Good catch, thanks Anand.
@Kevin, should I resend ?
Neil
>
> Best Regards
> -Anand
>> + };
>> +
>> + vcc_1v8: regulator-vcc_1v8 {
>> + compatible = "regulator-fixed";
>> + regulator-name = "VCC_1V8";
>> + regulator-min-microvolt = <1800000>;
>> + regulator-max-microvolt = <1800000>;
>> + vin-supply = <&vcc_3v3>;
>> + regulator-always-on;
>> + };
>> +
[...]
>> +
>> +&clkc {
>> + compatible = "amlogic,g12b-clkc";
>> +};
>> --
>> 2.21.0
>>
>>
>> _______________________________________________
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>> linux-amlo...@lists.infradead.org
>> http://lists.infradead.org/mailman/listinfo/linux-amlogic
