This patchset adds support for the libretech aml-s805x-ac, aka 'La Frite'
Jerome Brunet (1):
dt-bindings: arm: amlogic: add libretech aml-s805x-ac bindings
Neil Armstrong (1):
arm64: dts: meson: add libretech aml-s805x-ac board
.../devicetree/bindings/arm/amlogic.txt | 1 +
arch/arm64/boot/dts/amlogic/Makefile | 1 +
.../amlogic/meson-gxl-s805x-libretech-ac.dts | 249 ++++++++++++++++++
3 files changed, 251 insertions(+)
create mode 100644 arch/arm64/boot/dts/amlogic/meson-gxl-s805x-libretech-ac.dts
--
2.19.1
From: Neil Armstrong <[email protected]>
Add Libretech aml-s805x-ac board (aka 'La Frite') support
Signed-off-by: Neil Armstrong <[email protected]>
Signed-off-by: Jerome Brunet <[email protected]>
---
arch/arm64/boot/dts/amlogic/Makefile | 1 +
.../amlogic/meson-gxl-s805x-libretech-ac.dts | 249 ++++++++++++++++++
2 files changed, 250 insertions(+)
create mode 100644 arch/arm64/boot/dts/amlogic/meson-gxl-s805x-libretech-ac.dts
diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile
index c31f29d660de..bc41629c5df4 100644
--- a/arch/arm64/boot/dts/amlogic/Makefile
+++ b/arch/arm64/boot/dts/amlogic/Makefile
@@ -11,6 +11,7 @@ dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-vega-s95-meta.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-vega-s95-telos.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-wetek-hub.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-wetek-play2.dtb
+dtb-$(CONFIG_ARCH_MESON) += meson-gxl-s805x-libretech-ac.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-gxl-s905x-hwacom-amazetv.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-gxl-s905x-khadas-vim.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-gxl-s905x-libretech-cc.dtb
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s805x-libretech-ac.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s805x-libretech-ac.dts
new file mode 100644
index 000000000000..fbc100e4445a
--- /dev/null
+++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s805x-libretech-ac.dts
@@ -0,0 +1,249 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2018 BayLibre, SAS.
+ * Author: Neil Armstrong <[email protected]>
+ * Author: Jerome Brunet <[email protected]>
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/input/input.h>
+
+#include "meson-gxl-s905x.dtsi"
+
+/ {
+ compatible = "libretech,aml-s805x-ac", "amlogic,s805x",
+ "amlogic,meson-gxl";
+ model = "Libre Computer Board AML-S805X-AC";
+
+ aliases {
+ serial0 = &uart_AO;
+ ethernet0 = ðmac;
+ spi0 = &spifc;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ cvbs-connector {
+ /*
+ * The pads are present but no connector is soldered on
+ * 2J2, so keep this off by default.
+ */
+ status = "disabled";
+ compatible = "composite-video-connector";
+
+ port {
+ cvbs_connector_in: endpoint {
+ remote-endpoint = <&cvbs_vdac_out>;
+ };
+ };
+ };
+
+ dc_5v: regulator-dc_5v {
+ compatible = "regulator-fixed";
+ regulator-name = "DC_5V";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-always-on;
+ };
+
+
+ emmc_pwrseq: emmc-pwrseq {
+ compatible = "mmc-pwrseq-emmc";
+ reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
+ };
+
+ hdmi-connector {
+ compatible = "hdmi-connector";
+ type = "a";
+
+ port {
+ hdmi_connector_in: endpoint {
+ remote-endpoint = <&hdmi_tx_tmds_out>;
+ };
+ };
+ };
+
+ memory@0 {
+ device_type = "memory";
+ reg = <0x0 0x0 0x0 0x20000000>;
+ };
+
+ vcck: regulator-vcck {
+ compatible = "regulator-fixed";
+ regulator-name = "VCCK";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ vin-supply = <&dc_5v>;
+
+ /*
+ * This is controlled by GPIOAO_9 we reserve this but
+ * claiming it as done bellow reset the board anyway
+ * Need to investigate this
+ *
+ * gpio = <&gpio_ao GPIOAO_9 GPIO_ACTIVE_HIGH>;
+ * enable-active-high;
+ */
+ regulator-always-on;
+ };
+
+ vcc_3v3: regulator-vcc_3v3 {
+ compatible = "regulator-fixed";
+ regulator-name = "VCC_3V3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ vin-supply = <&dc_5v>;
+ regulator-always-on;
+ };
+
+ vddio_boot: regulator-vddio_boot {
+ compatible = "regulator-fixed";
+ regulator-name = "VDDIO_BOOT";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ vin-supply = <&vcc_3v3>;
+ regulator-always-on;
+ };
+};
+
+&cec_AO {
+ status = "okay";
+ pinctrl-0 = <&ao_cec_pins>;
+ pinctrl-names = "default";
+ hdmi-phandle = <&hdmi_tx>;
+};
+
+&cvbs_vdac_port {
+ cvbs_vdac_out: endpoint {
+ remote-endpoint = <&cvbs_connector_in>;
+ };
+};
+
+ðmac {
+ status = "okay";
+};
+
+&internal_phy {
+ pinctrl-0 = <ð_link_led_pins>, <ð_act_led_pins>;
+ pinctrl-names = "default";
+};
+
+&ir {
+ status = "okay";
+ pinctrl-0 = <&remote_input_ao_pins>;
+ pinctrl-names = "default";
+};
+
+&hdmi_tx {
+ status = "okay";
+ pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
+ pinctrl-names = "default";
+};
+
+&hdmi_tx_tmds_port {
+ hdmi_tx_tmds_out: endpoint {
+ remote-endpoint = <&hdmi_connector_in>;
+ };
+};
+
+&pinctrl_aobus {
+ gpio-line-names = "UART TX",
+ "UART RX",
+ "7J1 Header Pin31",
+ "", "", "", "",
+ "IR In",
+ "HDMI CEC",
+ "5V VCCK Regulator",
+ /* GPIO_TEST_N */
+ "";
+};
+
+&pinctrl_periphs {
+ gpio-line-names = /* Bank GPIOZ */
+ "", "", "", "", "", "", "",
+ "", "", "", "", "", "", "",
+ "Eth Link LED", "Eth Activity LED",
+ /* Bank GPIOH */
+ "HDMI HPD", "HDMI SDA", "HDMI SCL",
+ "", "7J1 Header Pin13",
+ "7J1 Header Pin15",
+ "7J1 Header Pin7",
+ "7J1 Header Pin12",
+ "7J1 Header Pin16",
+ "7J1 Header Pin18",
+ /* Bank BOOT */
+ "eMMC D0", "eMMC D1", "eMMC D2", "eMMC D3",
+ "eMMC D4", "eMMC D5", "eMMC D6", "eMMC D7",
+ "eMMC Clk", "eMMC Reset", "eMMC CMD",
+ "SPI NOR MOSI", "SPI NOR MISO", "SPI NOR Clk",
+ "", "SPI NOR Chip Select",
+ /* Bank CARD */
+ "", "", "", "", "", "", "",
+ /* Bank GPIODV */
+ "", "", "", "", "", "", "", "", "", "", "", "",
+ "", "", "", "", "", "", "", "", "", "", "", "",
+ "7J1 Header Pin27", "7J1 Header Pin28", "",
+ "7J1 Header Pin29",
+ "VCCK Regulator", "VDDEE Regulator",
+ /* Bank GPIOX */
+ "7J1 Header Pin22", "7J1 Header Pin26",
+ "7J1 Header Pin36", "7J1 Header Pin38",
+ "7J1 Header Pin40", "7J1 Header Pin37",
+ "7J1 Header Pin33", "7J1 Header Pin35",
+ "7J1 Header Pin19", "7J1 Header Pin21",
+ "7J1 Header Pin24", "7J1 Header Pin23",
+ "7J1 Header Pin8", "7J1 Header Pin10",
+ "", "", "7J1 Header Pin32", "", "",
+ /* Bank GPIOCLK */
+ "", "";
+};
+
+&saradc {
+ status = "okay";
+ vref-supply = <&vddio_boot>;
+};
+
+/* eMMC */
+&sd_emmc_c {
+ status = "okay";
+ pinctrl-0 = <&emmc_pins>;
+ pinctrl-1 = <&emmc_clk_gate_pins>;
+ pinctrl-names = "default", "clk-gate";
+
+ bus-width = <8>;
+ cap-mmc-highspeed;
+ mmc-ddr-1_8v;
+ mmc-hs200-1_8v;
+ max-frequency = <200000000>;
+ disable-wp;
+
+ mmc-pwrseq = <&emmc_pwrseq>;
+ vmmc-supply = <&vcc_3v3>;
+ vqmmc-supply = <&vddio_boot>;
+};
+
+&spifc {
+ status = "okay";
+ pinctrl-0 = <&nor_pins>;
+ pinctrl-names = "default";
+
+ w25q32: spi-flash@0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <3000000>;
+ };
+};
+
+&uart_AO {
+ status = "okay";
+ pinctrl-0 = <&uart_ao_a_pins>;
+ pinctrl-names = "default";
+};
+
+&usb0 {
+ status = "okay";
+};
--
2.19.1
Add bindings for the Libretech aml-s805x-ac board, aka 'La Frite'.
Signed-off-by: Neil Armstrong <[email protected]>
Signed-off-by: Jerome Brunet <[email protected]>
---
Documentation/devicetree/bindings/arm/amlogic.txt | 1 +
1 file changed, 1 insertion(+)
diff --git a/Documentation/devicetree/bindings/arm/amlogic.txt b/Documentation/devicetree/bindings/arm/amlogic.txt
index 4498292b833d..203d38e5e271 100644
--- a/Documentation/devicetree/bindings/arm/amlogic.txt
+++ b/Documentation/devicetree/bindings/arm/amlogic.txt
@@ -93,6 +93,7 @@ Board compatible values (alphabetically, grouped by SoC):
- "amlogic,p231" (Meson gxl s905d)
- "amlogic,p241" (Meson gxl s805x)
+ - "libretech,aml-s805x-ac" (Meson gxl s805x)
- "amlogic,p281" (Meson gxl s905w)
- "oranth,tx3-mini" (Meson gxl s905w)
--
2.19.1
From: Neil Armstrong <[email protected]>
Add Libretech aml-s805x-ac board (aka 'La Frite') support
Signed-off-by: Neil Armstrong <[email protected]>
Signed-off-by: Jerome Brunet <[email protected]>
---
Hi Kevin,
Sorry for this resend, I forgot to align to align Neil's recent
patch regarding lines names [0]
This is fixed here.
Cheers
Jerome
[0]: https://lkml.kernel.org/r/[email protected]
arch/arm64/boot/dts/amlogic/Makefile | 1 +
.../amlogic/meson-gxl-s805x-libretech-ac.dts | 248 ++++++++++++++++++
2 files changed, 249 insertions(+)
create mode 100644 arch/arm64/boot/dts/amlogic/meson-gxl-s805x-libretech-ac.dts
diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile
index c31f29d660de..bc41629c5df4 100644
--- a/arch/arm64/boot/dts/amlogic/Makefile
+++ b/arch/arm64/boot/dts/amlogic/Makefile
@@ -11,6 +11,7 @@ dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-vega-s95-meta.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-vega-s95-telos.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-wetek-hub.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-gxbb-wetek-play2.dtb
+dtb-$(CONFIG_ARCH_MESON) += meson-gxl-s805x-libretech-ac.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-gxl-s905x-hwacom-amazetv.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-gxl-s905x-khadas-vim.dtb
dtb-$(CONFIG_ARCH_MESON) += meson-gxl-s905x-libretech-cc.dtb
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s805x-libretech-ac.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s805x-libretech-ac.dts
new file mode 100644
index 000000000000..dc025b6c3199
--- /dev/null
+++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s805x-libretech-ac.dts
@@ -0,0 +1,248 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2018 BayLibre, SAS.
+ * Author: Neil Armstrong <[email protected]>
+ * Author: Jerome Brunet <[email protected]>
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/input/input.h>
+
+#include "meson-gxl-s905x.dtsi"
+
+/ {
+ compatible = "libretech,aml-s805x-ac", "amlogic,s805x",
+ "amlogic,meson-gxl";
+ model = "Libre Computer Board AML-S805X-AC";
+
+ aliases {
+ serial0 = &uart_AO;
+ ethernet0 = ðmac;
+ spi0 = &spifc;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ cvbs-connector {
+ /*
+ * The pads are present but no connector is soldered on
+ * 2J2, so keep this off by default.
+ */
+ status = "disabled";
+ compatible = "composite-video-connector";
+
+ port {
+ cvbs_connector_in: endpoint {
+ remote-endpoint = <&cvbs_vdac_out>;
+ };
+ };
+ };
+
+ dc_5v: regulator-dc_5v {
+ compatible = "regulator-fixed";
+ regulator-name = "DC_5V";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-always-on;
+ };
+
+ emmc_pwrseq: emmc-pwrseq {
+ compatible = "mmc-pwrseq-emmc";
+ reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
+ };
+
+ hdmi-connector {
+ compatible = "hdmi-connector";
+ type = "a";
+
+ port {
+ hdmi_connector_in: endpoint {
+ remote-endpoint = <&hdmi_tx_tmds_out>;
+ };
+ };
+ };
+
+ memory@0 {
+ device_type = "memory";
+ reg = <0x0 0x0 0x0 0x20000000>;
+ };
+
+ vcck: regulator-vcck {
+ compatible = "regulator-fixed";
+ regulator-name = "VCCK";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ vin-supply = <&dc_5v>;
+
+ /*
+ * This is controlled by GPIOAO_9 we reserve this but
+ * claiming it as done bellow reset the board anyway
+ * Need to investigate this
+ *
+ * gpio = <&gpio_ao GPIOAO_9 GPIO_ACTIVE_HIGH>;
+ * enable-active-high;
+ */
+ regulator-always-on;
+ };
+
+ vcc_3v3: regulator-vcc_3v3 {
+ compatible = "regulator-fixed";
+ regulator-name = "VCC_3V3";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ vin-supply = <&dc_5v>;
+ regulator-always-on;
+ };
+
+ vddio_boot: regulator-vddio_boot {
+ compatible = "regulator-fixed";
+ regulator-name = "VDDIO_BOOT";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ vin-supply = <&vcc_3v3>;
+ regulator-always-on;
+ };
+};
+
+&cec_AO {
+ status = "okay";
+ pinctrl-0 = <&ao_cec_pins>;
+ pinctrl-names = "default";
+ hdmi-phandle = <&hdmi_tx>;
+};
+
+&cvbs_vdac_port {
+ cvbs_vdac_out: endpoint {
+ remote-endpoint = <&cvbs_connector_in>;
+ };
+};
+
+ðmac {
+ status = "okay";
+};
+
+&internal_phy {
+ pinctrl-0 = <ð_link_led_pins>, <ð_act_led_pins>;
+ pinctrl-names = "default";
+};
+
+&ir {
+ status = "okay";
+ pinctrl-0 = <&remote_input_ao_pins>;
+ pinctrl-names = "default";
+};
+
+&hdmi_tx {
+ status = "okay";
+ pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
+ pinctrl-names = "default";
+};
+
+&hdmi_tx_tmds_port {
+ hdmi_tx_tmds_out: endpoint {
+ remote-endpoint = <&hdmi_connector_in>;
+ };
+};
+
+&gpio_ao {
+ gpio-line-names = "UART TX",
+ "UART RX",
+ "7J1 Header Pin31",
+ "", "", "", "",
+ "IR In",
+ "HDMI CEC",
+ "5V VCCK Regulator",
+ /* GPIO_TEST_N */
+ "";
+};
+
+&gpio {
+ gpio-line-names = /* Bank GPIOZ */
+ "", "", "", "", "", "", "",
+ "", "", "", "", "", "", "",
+ "Eth Link LED", "Eth Activity LED",
+ /* Bank GPIOH */
+ "HDMI HPD", "HDMI SDA", "HDMI SCL",
+ "", "7J1 Header Pin13",
+ "7J1 Header Pin15",
+ "7J1 Header Pin7",
+ "7J1 Header Pin12",
+ "7J1 Header Pin16",
+ "7J1 Header Pin18",
+ /* Bank BOOT */
+ "eMMC D0", "eMMC D1", "eMMC D2", "eMMC D3",
+ "eMMC D4", "eMMC D5", "eMMC D6", "eMMC D7",
+ "eMMC Clk", "eMMC Reset", "eMMC CMD",
+ "SPI NOR MOSI", "SPI NOR MISO", "SPI NOR Clk",
+ "", "SPI NOR Chip Select",
+ /* Bank CARD */
+ "", "", "", "", "", "", "",
+ /* Bank GPIODV */
+ "", "", "", "", "", "", "", "", "", "", "", "",
+ "", "", "", "", "", "", "", "", "", "", "", "",
+ "7J1 Header Pin27", "7J1 Header Pin28", "",
+ "7J1 Header Pin29",
+ "VCCK Regulator", "VDDEE Regulator",
+ /* Bank GPIOX */
+ "7J1 Header Pin22", "7J1 Header Pin26",
+ "7J1 Header Pin36", "7J1 Header Pin38",
+ "7J1 Header Pin40", "7J1 Header Pin37",
+ "7J1 Header Pin33", "7J1 Header Pin35",
+ "7J1 Header Pin19", "7J1 Header Pin21",
+ "7J1 Header Pin24", "7J1 Header Pin23",
+ "7J1 Header Pin8", "7J1 Header Pin10",
+ "", "", "7J1 Header Pin32", "", "",
+ /* Bank GPIOCLK */
+ "", "";
+};
+
+&saradc {
+ status = "okay";
+ vref-supply = <&vddio_boot>;
+};
+
+/* eMMC */
+&sd_emmc_c {
+ status = "okay";
+ pinctrl-0 = <&emmc_pins>;
+ pinctrl-1 = <&emmc_clk_gate_pins>;
+ pinctrl-names = "default", "clk-gate";
+
+ bus-width = <8>;
+ cap-mmc-highspeed;
+ mmc-ddr-1_8v;
+ mmc-hs200-1_8v;
+ max-frequency = <200000000>;
+ disable-wp;
+
+ mmc-pwrseq = <&emmc_pwrseq>;
+ vmmc-supply = <&vcc_3v3>;
+ vqmmc-supply = <&vddio_boot>;
+};
+
+&spifc {
+ status = "okay";
+ pinctrl-0 = <&nor_pins>;
+ pinctrl-names = "default";
+
+ w25q32: spi-flash@0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <3000000>;
+ };
+};
+
+&uart_AO {
+ status = "okay";
+ pinctrl-0 = <&uart_ao_a_pins>;
+ pinctrl-names = "default";
+};
+
+&usb0 {
+ status = "okay";
+};
--
2.19.1
>>>>> "Jerome" == Jerome Brunet <[email protected]> writes:
> From: Neil Armstrong <[email protected]>
> Add Libretech aml-s805x-ac board (aka 'La Frite') support
> Signed-off-by: Neil Armstrong <[email protected]>
> Signed-off-by: Jerome Brunet <[email protected]>
> ---
..
> +#include "meson-gxl-s905x.dtsi"
> +
> +/ {
> + compatible = "libretech,aml-s805x-ac", "amlogic,s805x",
> + "amlogic,meson-gxl";
> + model = "Libre Computer Board AML-S805X-AC";
No mention of 'La Frite'?
> + memory@0 {
> + device_type = "memory";
> + reg = <0x0 0x0 0x0 0x20000000>;
> + };
Maybe add a comment that there's 1GB variants as well?
> +
> + vcck: regulator-vcck {
> + compatible = "regulator-fixed";
> + regulator-name = "VCCK";
> + regulator-min-microvolt = <3300000>;
> + regulator-max-microvolt = <3300000>;
> + vin-supply = <&dc_5v>;
> +
> + /*
> + * This is controlled by GPIOAO_9 we reserve this but
> + * claiming it as done bellow reset the board anyway
s/bellow/below/
> +&spifc {
> + status = "okay";
> + pinctrl-0 = <&nor_pins>;
> + pinctrl-names = "default";
> +
> + w25q32: spi-flash@0 {
> + #address-cells = <1>;
> + #size-cells = <1>;
> + compatible = "jedec,spi-nor";
> + reg = <0>;
> + spi-max-frequency = <3000000>;
Is this 3MHz a limitation of the flash, board layout or SPI controller?
--
Bye, Peter Korsgaard
On 14/11/2018 15:37, Peter Korsgaard wrote:
>>>>>> "Jerome" == Jerome Brunet <[email protected]> writes:
>
> > From: Neil Armstrong <[email protected]>
> > Add Libretech aml-s805x-ac board (aka 'La Frite') support
>
> > Signed-off-by: Neil Armstrong <[email protected]>
> > Signed-off-by: Jerome Brunet <[email protected]>
> > ---
>
> ..
>
> > +#include "meson-gxl-s905x.dtsi"
> > +
> > +/ {
> > + compatible = "libretech,aml-s805x-ac", "amlogic,s805x",
> > + "amlogic,meson-gxl";
> > + model = "Libre Computer Board AML-S805X-AC";
>
> No mention of 'La Frite'?
It's a codename, the actual product name is AML-S805X-AC
>
> > + memory@0 {
> > + device_type = "memory";
> > + reg = <0x0 0x0 0x0 0x20000000>;
> > + };
>
> Maybe add a comment that there's 1GB variants as well?
Like other board, we set the minimal encountered memory size in DT,
the bootloader will update it to the actual memory size.
>
>> +
> > + vcck: regulator-vcck {
> > + compatible = "regulator-fixed";
> > + regulator-name = "VCCK";
> > + regulator-min-microvolt = <3300000>;
> > + regulator-max-microvolt = <3300000>;
> > + vin-supply = <&dc_5v>;
> > +
> > + /*
> > + * This is controlled by GPIOAO_9 we reserve this but
> > + * claiming it as done bellow reset the board anyway
>
> s/bellow/below/
Good catch !
>
> > +&spifc {
> > + status = "okay";
> > + pinctrl-0 = <&nor_pins>;
> > + pinctrl-names = "default";
> > +
> > + w25q32: spi-flash@0 {
> > + #address-cells = <1>;
> > + #size-cells = <1>;
> > + compatible = "jedec,spi-nor";
> > + reg = <0>;
> > + spi-max-frequency = <3000000>;
>
> Is this 3MHz a limitation of the flash, board layout or SPI controller?
>
It's the stable clock frequency used by amlogic to access to SPI flash,
we prefer using a safe freq, because we don't need fast access here.
Neil