ARM: dts: at91: sama5d27_wlsom1: add SAMA5D27 wlsom1 and wlsom1-ek
authorEugen Hristev <eugen.hristev@microchip.com>
Tue, 12 Nov 2019 07:19:56 +0000 (07:19 +0000)
committerAlexandre Belloni <alexandre.belloni@bootlin.com>
Mon, 9 Dec 2019 19:23:43 +0000 (20:23 +0100)
This is the addition of a new Evaluation Kit the SAMA5D27-WLSOM1-EK.
It's based on the Microchip WireLess SoM which contains the
SAMA5D27 LPDDR2 2Gbits SiP.

[nicolas.ferre@microchip.com]: initial implementation
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
[eugen.hristev@microchip.com]: ported to new kernel version,
[eugen.hristev@microchip.com]: addition of peripherals (adc, pmic, qspi, uart)
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Link: https://lore.kernel.org/r/1573543139-8533-4-git-send-email-eugen.hristev@microchip.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
arch/arm/boot/dts/Makefile
arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi [new file with mode: 0644]
arch/arm/boot/dts/at91-sama5d27_wlsom1_ek.dts [new file with mode: 0644]

index 08011dc..54d6e48 100644 (file)
@@ -49,6 +49,7 @@ dtb-$(CONFIG_SOC_SAM_V7) += \
        at91-kizbox3-hs.dtb \
        at91-nattis-2-natte-2.dtb \
        at91-sama5d27_som1_ek.dtb \
+       at91-sama5d27_wlsom1_ek.dtb \
        at91-sama5d2_ptc_ek.dtb \
        at91-sama5d2_xplained.dtb \
        at91-sama5d3_xplained.dtb \
diff --git a/arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi b/arch/arm/boot/dts/at91-sama5d27_wlsom1.dtsi
new file mode 100644 (file)
index 0000000..db3e223
--- /dev/null
@@ -0,0 +1,304 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * at91-sama5d27_wlsom1.dtsi - Device Tree file for SAMA5D27 WLSOM1
+ *
+ * Copyright (C) 2019 Microchip Technology Inc. and its subsidiaries
+ *
+ * Author: Nicolas Ferre <nicolas.ferre@microcihp.com>
+ * Author: Eugen Hristev <eugen.hristev@microcihp.com>
+ */
+#include "sama5d2.dtsi"
+#include "sama5d2-pinfunc.h"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/mfd/atmel-flexcom.h>
+#include <dt-bindings/pinctrl/at91.h>
+
+/ {
+       model = "Microchip SAMA5D27 WLSOM1";
+       compatible = "microchip,sama5d27-wlsom1", "atmel,sama5d27", "atmel,sama5d2", "atmel,sama5";
+
+       clocks {
+               slow_xtal {
+                       clock-frequency = <32768>;
+               };
+
+               main_xtal {
+                       clock-frequency = <24000000>;
+               };
+       };
+};
+
+&flx1 {
+       atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>;
+
+       uart6: serial@200 {
+               compatible = "atmel,at91sam9260-usart";
+               reg = <0x200 0x200>;
+               interrupts = <20 IRQ_TYPE_LEVEL_HIGH 7>;
+               dmas = <&dma0
+                       (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1) |
+                        AT91_XDMAC_DT_PERID(13))>,
+                      <&dma0
+                       (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1) |
+                        AT91_XDMAC_DT_PERID(14))>;
+               dma-names = "tx", "rx";
+               clocks = <&pmc PMC_TYPE_PERIPHERAL 20>;
+               clock-names = "usart";
+               pinctrl-0 = <&pinctrl_flx1_default>;
+               pinctrl-names = "default";
+       };
+};
+
+&i2c0 {
+       pinctrl-0 = <&pinctrl_i2c0_default>;
+       pinctrl-names = "default";
+       status = "okay";
+};
+
+&i2c1 {
+       dmas = <0>, <0>;
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_i2c1_default>;
+       status = "okay";
+
+       mcp16502@5b {
+               compatible = "microchip,mcp16502";
+               reg = <0x5b>;
+               status = "okay";
+               lpm-gpios = <&pioBU 0 GPIO_ACTIVE_LOW>;
+
+               regulators {
+                       vdd_3v3: VDD_IO {
+                               regulator-name = "VDD_IO";
+                               regulator-min-microvolt = <1200000>;
+                               regulator-max-microvolt = <3700000>;
+                               regulator-initial-mode = <2>;
+                               regulator-allowed-modes = <2>, <4>;
+                               regulator-always-on;
+
+                               regulator-state-standby {
+                                       regulator-on-in-suspend;
+                                       regulator-mode = <4>;
+                               };
+
+                               regulator-state-mem {
+                                       regulator-off-in-suspend;
+                                       regulator-mode = <4>;
+                               };
+                       };
+
+                       vddio_ddr: VDD_DDR {
+                               regulator-name = "VDD_DDR";
+                               regulator-min-microvolt = <600000>;
+                               regulator-max-microvolt = <1850000>;
+                               regulator-initial-mode = <2>;
+                               regulator-allowed-modes = <2>, <4>;
+                               regulator-always-on;
+
+                               regulator-state-standby {
+                                       regulator-on-in-suspend;
+                                       regulator-suspend-microvolt = <1200000>;
+                                       regulator-changeable-in-suspend;
+                                       regulator-mode = <4>;
+                               };
+
+                               regulator-state-mem {
+                                       regulator-on-in-suspend;
+                                       regulator-suspend-microvolt = <1200000>;
+                                       regulator-changeable-in-suspend;
+                                       regulator-mode = <4>;
+                               };
+                       };
+
+                       vdd_core: VDD_CORE {
+                               regulator-name = "VDD_CORE";
+                               regulator-min-microvolt = <600000>;
+                               regulator-max-microvolt = <1850000>;
+                               regulator-initial-mode = <2>;
+                               regulator-allowed-modes = <2>, <4>;
+                               regulator-always-on;
+
+                               regulator-state-standby {
+                                       regulator-on-in-suspend;
+                                       regulator-mode = <4>;
+                               };
+
+                               regulator-state-mem {
+                                       regulator-off-in-suspend;
+                                       regulator-mode = <4>;
+                               };
+                       };
+
+                       vdd_ddr: VDD_OTHER {
+                               regulator-name = "VDD_OTHER";
+                               regulator-min-microvolt = <1800000>;
+                               regulator-max-microvolt = <1800000>;
+                               regulator-initial-mode = <2>;
+                               regulator-allowed-modes = <2>, <4>;
+                               regulator-always-on;
+
+                               regulator-state-standby {
+                                       regulator-on-in-suspend;
+                                       regulator-suspend-microvolt = <1800000>;
+                                       regulator-changeable-in-suspend;
+                                       regulator-mode = <4>;
+                               };
+
+                               regulator-state-mem {
+                                       regulator-on-in-suspend;
+                                       regulator-suspend-microvolt = <1800000>;
+                                       regulator-changeable-in-suspend;
+                                       regulator-mode = <4>;
+                               };
+                       };
+
+                       LDO1 {
+                               regulator-name = "LDO1";
+                               regulator-min-microvolt = <1200000>;
+                               regulator-max-microvolt = <3700000>;
+                               regulator-always-on;
+
+                               regulator-state-standby {
+                                       regulator-on-in-suspend;
+                               };
+
+                               regulator-state-mem {
+                                       regulator-off-in-suspend;
+                               };
+                       };
+
+                       LDO2 {
+                               regulator-name = "LDO2";
+                               regulator-min-microvolt = <1200000>;
+                               regulator-max-microvolt = <3700000>;
+                               regulator-always-on;
+
+                               regulator-state-standby {
+                                       regulator-on-in-suspend;
+                               };
+
+                               regulator-state-mem {
+                                       regulator-off-in-suspend;
+                               };
+                       };
+               };
+       };
+};
+
+&macb0 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_macb0_default>;
+       phy-mode = "rmii";
+
+       ethernet-phy@0 {
+               reg = <0x0>;
+               interrupt-parent = <&pioA>;
+               interrupts = <PIN_PB24 IRQ_TYPE_LEVEL_LOW>;
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_macb0_phy_irq>;
+       };
+};
+
+&pmc {
+       atmel,osc-bypass;
+};
+
+&qspi1 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_qspi1_default>;
+       status = "disabled";
+
+       qspi1_flash: spi_flash@0 {
+               #address-cells = <1>;
+               #size-cells = <1>;
+               compatible = "jedec,spi-nor";
+               reg = <0>;
+               spi-max-frequency = <80000000>;
+               spi-rx-bus-width = <4>;
+               spi-tx-bus-width = <4>;
+               m25p,fast-read;
+               status = "disabled";
+
+               at91bootstrap@0 {
+                       label = "at91bootstrap";
+                       reg = <0x0 0x40000>;
+               };
+
+               bootloader@40000 {
+                       label = "bootloader";
+                       reg = <0x40000 0xc0000>;
+               };
+
+               bootloaderenvred@100000 {
+                       label = "bootloader env redundant";
+                       reg = <0x100000 0x40000>;
+               };
+
+               bootloaderenv@140000 {
+                       label = "bootloader env";
+                       reg = <0x140000 0x40000>;
+               };
+
+               dtb@180000 {
+                       label = "device tree";
+                       reg = <0x180000 0x80000>;
+               };
+
+               kernel@200000 {
+                       label = "kernel";
+                       reg = <0x200000 0x600000>;
+               };
+       };
+};
+
+&pioA {
+       pinctrl_flx1_default: flx1_usart_default {
+               pinmux = <PIN_PA24__FLEXCOM1_IO0>,
+                        <PIN_PA23__FLEXCOM1_IO1>,
+                        <PIN_PA25__FLEXCOM1_IO3>,
+                        <PIN_PA26__FLEXCOM1_IO4>;
+               bias-disable;
+       };
+
+       pinctrl_i2c0_default: i2c0_default {
+               pinmux = <PIN_PD21__TWD0>,
+                        <PIN_PD22__TWCK0>;
+               bias-disable;
+       };
+
+       pinctrl_i2c1_default: i2c1_default {
+               pinmux = <PIN_PD19__TWD1>,
+                        <PIN_PD20__TWCK1>;
+               bias-disable;
+       };
+
+       pinctrl_macb0_default: macb0_default {
+               pinmux = <PIN_PB14__GTXCK>,
+                        <PIN_PB15__GTXEN>,
+                        <PIN_PB16__GRXDV>,
+                        <PIN_PB17__GRXER>,
+                        <PIN_PB18__GRX0>,
+                        <PIN_PB19__GRX1>,
+                        <PIN_PB20__GTX0>,
+                        <PIN_PB21__GTX1>,
+                        <PIN_PB22__GMDC>,
+                        <PIN_PB23__GMDIO>;
+               bias-disable;
+       };
+
+       pinctrl_macb0_phy_irq: macb0_phy_irq {
+               pinmux = <PIN_PB24__GPIO>;
+               bias-disable;
+       };
+
+       pinctrl_qspi1_default: qspi1_default {
+               pinmux = <PIN_PB5__QSPI1_SCK>,
+                        <PIN_PB6__QSPI1_CS>,
+                        <PIN_PB7__QSPI1_IO0>,
+                        <PIN_PB8__QSPI1_IO1>,
+                        <PIN_PB9__QSPI1_IO2>,
+                        <PIN_PB10__QSPI1_IO3>;
+               bias-pull-up;
+       };
+};
+
diff --git a/arch/arm/boot/dts/at91-sama5d27_wlsom1_ek.dts b/arch/arm/boot/dts/at91-sama5d27_wlsom1_ek.dts
new file mode 100644 (file)
index 0000000..0b9fa29
--- /dev/null
@@ -0,0 +1,270 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * at91-sama5d27_wlsom1_ek.dts - Device Tree file for SAMA5D27 WLSOM1 EK
+ *
+ * Copyright (C) 2019 Microchip Technology Inc. and its subsidiaries
+ *
+ * Author: Nicolas Ferre <nicolas.ferre@microcihp.com>
+ */
+/dts-v1/;
+#include "at91-sama5d27_wlsom1.dtsi"
+
+/ {
+       model = "Microchip SAMA5D27 WLSOM1 EK";
+       compatible = "microchip,sama5d27-wlsom1-ek", "microchip,sama5d27-wlsom1", "atmel,sama5d27", "atmel,sama5d2", "atmel,sama5";
+
+       aliases {
+               serial0 = &uart0;       /* DBGU */
+               serial1 = &uart6;       /* BT */
+               serial2 = &uart5;       /* mikro BUS 2 */
+               serial3 = &uart3;       /* mikro BUS 1 */
+               i2c1    = &i2c1;
+       };
+
+       chosen {
+               stdout-path = "serial0:115200n8";
+       };
+
+       gpio_keys {
+               compatible = "gpio-keys";
+
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_key_gpio_default>;
+               status = "okay";
+
+               sw4 {
+                       label = "USER BUTTON";
+                       gpios = <&pioA PIN_PB2 GPIO_ACTIVE_LOW>;
+                       linux,code = <0x104>;
+                       wakeup-source;
+               };
+       };
+
+       leds {
+               compatible = "gpio-leds";
+               pinctrl-names = "default";
+               pinctrl-0 = <&pinctrl_led_gpio_default>;
+               status = "okay";
+
+               red {
+                       label = "red";
+                       gpios = <&pioA PIN_PA6 GPIO_ACTIVE_HIGH>;
+               };
+
+               green {
+                       label = "green";
+                       gpios = <&pioA PIN_PA7 GPIO_ACTIVE_HIGH>;
+               };
+
+               blue {
+                       label = "blue";
+                       gpios = <&pioA PIN_PA8 GPIO_ACTIVE_HIGH>;
+                       linux,default-trigger = "heartbeat";
+               };
+       };
+};
+
+&adc {
+       vddana-supply = <&vdd_3v3>;
+       vref-supply = <&vdd_3v3>;
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_adc_default>;
+       status = "okay";
+};
+
+&flx0 {
+       atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_USART>;
+       status = "okay";
+
+       uart5: serial@200 {
+               compatible = "atmel,at91sam9260-usart";
+               reg = <0x200 0x200>;
+               interrupts = <19 IRQ_TYPE_LEVEL_HIGH 7>;
+               dmas = <&dma0
+                       (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1) |
+                        AT91_XDMAC_DT_PERID(11))>,
+                      <&dma0
+                       (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1) |
+                        AT91_XDMAC_DT_PERID(12))>;
+               dma-names = "tx", "rx";
+               clocks = <&pmc PMC_TYPE_PERIPHERAL 19>;
+               clock-names = "usart";
+               pinctrl-0 = <&pinctrl_flx0_default>;
+               pinctrl-names = "default";
+               atmel,use-dma-rx;
+               atmel,use-dma-tx;
+               status = "okay";
+       };
+};
+
+&flx1 {
+       status = "okay";
+
+       uart6: serial@200 {
+               atmel,use-dma-rx;
+               atmel,use-dma-tx;
+               status = "okay";
+       };
+};
+
+&macb0 {
+       status = "okay";
+};
+
+&pioA {
+       /*
+        * There is no real pinmux for ADC, if the pin
+        * is not requested by another peripheral then
+        * the muxing is done when channel is enabled.
+        * Requesting pins for ADC is GPIO is
+        * encouraged to prevent conflicts and to
+        * disable bias in order to be in the same
+        * state when the pin is not muxed to the adc.
+        */
+       pinctrl_adc_default: adc_default {
+               pinmux = <PIN_PD25__GPIO>,
+                        <PIN_PD26__GPIO>;
+               bias-disable;
+       };
+
+       pinctrl_flx0_default: flx0_usart_default {
+               pinmux = <PIN_PB28__FLEXCOM0_IO0>,
+                        <PIN_PB29__FLEXCOM0_IO1>;
+               bias-disable;
+       };
+
+       pinctrl_key_gpio_default: key_gpio_default {
+               pinmux = <PIN_PB2__GPIO>;
+               bias-pull-up;
+       };
+
+       pinctrl_led_gpio_default: led_gpio_default {
+               pinmux = <PIN_PA6__GPIO>,
+                        <PIN_PA7__GPIO>,
+                        <PIN_PA8__GPIO>;
+               bias-pull-down;
+       };
+
+       pinctrl_sdmmc0_default: sdmmc0_default {
+               cmd_data {
+                       pinmux = <PIN_PA1__SDMMC0_CMD>,
+                                <PIN_PA2__SDMMC0_DAT0>,
+                                <PIN_PA3__SDMMC0_DAT1>,
+                                <PIN_PA4__SDMMC0_DAT2>,
+                                <PIN_PA5__SDMMC0_DAT3>;
+                       bias-disable;
+               };
+
+               ck_cd_vddsel {
+                       pinmux = <PIN_PA0__SDMMC0_CK>,
+                                <PIN_PA11__SDMMC0_VDDSEL>,
+                                <PIN_PA12__SDMMC0_WP>,
+                                <PIN_PA13__SDMMC0_CD>;
+                       bias-disable;
+               };
+       };
+
+       pinctrl_uart0_default: uart0_default {
+               pinmux = <PIN_PB26__URXD0>,
+                        <PIN_PB27__UTXD0>;
+               bias-disable;
+       };
+
+       pinctrl_uart3_default: uart3_default {
+               pinmux = <PIN_PB11__URXD3>,
+                        <PIN_PB12__UTXD3>;
+               bias-disable;
+       };
+
+       pinctrl_pwm0_default: pwm0_default {
+               pinmux = <PIN_PA31__PWML0>,
+                        <PIN_PA30__PWMH0>;
+               bias-disable;
+       };
+
+       pinctrl_usb_default: usb_default {
+               pinmux = <PIN_PA10__GPIO>;
+               bias-disable;
+       };
+};
+
+&pwm0 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_pwm0_default>;
+       status = "okay";
+};
+
+&qspi1 {
+       status = "okay";
+
+       qspi1_flash: spi_flash@0 {
+               status = "okay";
+       };
+};
+
+&sdmmc0 {
+       bus-width = <4>;
+       mmc-ddr-3_3v;
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_sdmmc0_default>;
+       status = "okay";
+};
+
+&shutdown_controller {
+       atmel,shdwc-debouncer = <976>;
+       atmel,wakeup-rtc-timer;
+
+       input@0 {
+               reg = <0>;
+               atmel,wakeup-type = "low";
+       };
+};
+
+&tcb0 {
+       timer0: timer@0 {
+               compatible = "atmel,tcb-timer";
+               reg = <0>;
+       };
+
+       timer1: timer@1 {
+               compatible = "atmel,tcb-timer";
+               reg = <1>;
+       };
+};
+
+&uart0 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_uart0_default>;
+       atmel,use-dma-rx;
+       atmel,use-dma-tx;
+       status = "okay";
+};
+
+&uart3 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_uart3_default>;
+       atmel,use-dma-rx;
+       atmel,use-dma-tx;
+       status = "okay";
+};
+
+&usb1 {
+       num-ports = <3>;
+       atmel,vbus-gpio = <0
+                          &pioA PIN_PA10 GPIO_ACTIVE_HIGH
+                          0
+                         >;
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_usb_default>;
+       status = "okay";
+};
+
+&usb2 {
+       phy_type = "hsic";
+       status = "okay";
+};
+
+&watchdog {
+       status = "okay";
+};
+