[PATCH 13/13] staging: mt7621-dts: add dts files

From: NeilBrown
Date: Wed Mar 14 2018 - 16:24:38 EST

Add device tree source for mt7621 and gnubee1 to
make testing easier.

Signed-off-by: NeilBrown <neil@xxxxxxxxxx>
---
drivers/staging/Kconfig | 2
drivers/staging/Makefile | 1
drivers/staging/mt7621-dts/Kconfig | 5
drivers/staging/mt7621-dts/Makefile | 3
drivers/staging/mt7621-dts/TODO | 5
drivers/staging/mt7621-dts/gbpc1.dts | 143 ++++++++++
drivers/staging/mt7621-dts/mt7621.dtsi | 471 ++++++++++++++++++++++++++++++++
7 files changed, 630 insertions(+)
create mode 100644 drivers/staging/mt7621-dts/Kconfig
create mode 100644 drivers/staging/mt7621-dts/Makefile
create mode 100644 drivers/staging/mt7621-dts/TODO
create mode 100644 drivers/staging/mt7621-dts/gbpc1.dts
create mode 100644 drivers/staging/mt7621-dts/mt7621.dtsi

diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index d9cddad71da2..6dac0c1fecf4 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -134,4 +134,6 @@ source "drivers/staging/mt7621-mmc/Kconfig"

source "drivers/staging/mt7621-eth/Kconfig"

+source "drivers/staging/mt7621-dts/Kconfig"
+
endif # STAGING
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index 2a7defcd6836..2634228aeaa2 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -59,3 +59,4 @@ obj-$(CONFIG_SOC_MT7621) += mt7621-spi/
obj-$(CONFIG_SOC_MT7621) += mt7621-dma/
obj-$(CONFIG_SOC_MT7621) += mt7621-mmc/
obj-$(CONFIG_SOC_MT7621) += mt7621-eth/
+obj-$(CONFIG_SOC_MT7621) += mt7621-dts/
diff --git a/drivers/staging/mt7621-dts/Kconfig b/drivers/staging/mt7621-dts/Kconfig
new file mode 100644
index 000000000000..94a9e16c0b92
--- /dev/null
+++ b/drivers/staging/mt7621-dts/Kconfig
@@ -0,0 +1,5 @@
+config DTB_GNUBEE1
+ bool "GnuBee1 NAS"
+ depends on SOC_MT7621 && DTB_RT_NONE
+ select BUILTIN_DTB
+
diff --git a/drivers/staging/mt7621-dts/Makefile b/drivers/staging/mt7621-dts/Makefile
new file mode 100644
index 000000000000..195eba4a5c65
--- /dev/null
+++ b/drivers/staging/mt7621-dts/Makefile
@@ -0,0 +1,3 @@
+dtb-$(CONFIG_DTB_GNUBEE1) += gbpc1.dtb
+
+obj-y += $(patsubst %.dtb, %.dtb.o, $(dtb-y))
diff --git a/drivers/staging/mt7621-dts/TODO b/drivers/staging/mt7621-dts/TODO
new file mode 100644
index 000000000000..15803132c1ea
--- /dev/null
+++ b/drivers/staging/mt7621-dts/TODO
@@ -0,0 +1,5 @@
+
+- ensure all usage matches code
+- ensure all features used are documented
+
+Cc: NeilBrown <neil@xxxxxxxxxx>
\ No newline at end of file
diff --git a/drivers/staging/mt7621-dts/gbpc1.dts b/drivers/staging/mt7621-dts/gbpc1.dts
new file mode 100644
index 000000000000..515c7cbdd15e
--- /dev/null
+++ b/drivers/staging/mt7621-dts/gbpc1.dts
@@ -0,0 +1,143 @@
+/dts-v1/;
+
+#include "mt7621.dtsi"
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+ compatible = "gnubee,gb-pc1", "mediatek,mt7621-soc";
+ model = "GB-PC1";
+
+ memory@0 {
+ device_type = "memory";
+ reg = <0x0 0x1c000000>, <0x20000000 0x4000000>;
+ };
+
+ chosen {
+ bootargs = "console=ttyS0,57600";
+ };
+
+ palmbus: palmbus@1E000000 {
+ i2c@900 {
+ status = "okay";
+ };
+ };
+
+ gpio-keys-polled {
+ compatible = "gpio-keys-polled";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ poll-interval = <20>;
+
+ reset {
+ label = "reset";
+ gpios = <&gpio0 18 GPIO_ACTIVE_HIGH>;
+ linux,code = <KEY_RESTART>;
+ };
+ };
+
+ gpio-leds {
+ compatible = "gpio-leds";
+
+ system {
+ label = "gb-pc1:green:system";
+ gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
+ };
+
+ status {
+ label = "gb-pc1:green:status";
+ gpios = <&gpio0 8 GPIO_ACTIVE_LOW>;
+ };
+
+ lan1 {
+ label = "gb-pc1:green:lan1";
+ gpios = <&gpio0 24 GPIO_ACTIVE_LOW>;
+ };
+
+ lan2 {
+ label = "gb-pc1:green:lan2";
+ gpios = <&gpio0 25 GPIO_ACTIVE_LOW>;
+ };
+ };
+};
+
+&sdhci {
+ status = "okay";
+};
+
+&spi0 {
+ status = "okay";
+
+ m25p80@0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <10000000>;
+ m25p,chunked-io = <32>;
+
+ partition@0 {
+ label = "u-boot";
+ reg = <0x0 0x30000>;
+ read-only;
+ };
+
+ partition@30000 {
+ label = "u-boot-env";
+ reg = <0x30000 0x10000>;
+ read-only;
+ };
+
+ factory: partition@40000 {
+ label = "factory";
+ reg = <0x40000 0x10000>;
+ read-only;
+ };
+
+ partition@50000 {
+ label = "firmware";
+ reg = <0x50000 0xFB0000>;
+ };
+
+ };
+};
+
+&sysclock {
+ compatible = "fixed-clock";
+ clock-frequency = <90000000>;
+};
+
+&cpuclock {
+ compatible = "fixed-clock";
+ clock-frequency = <900000000>;
+};
+
+&pcie {
+ status = "okay";
+};
+
+&ethernet {
+ //mtd-mac-address = <&factory 0xe000>;
+ gmac1: mac@0 {
+ compatible = "mediatek,eth-mac";
+ reg = <0>;
+ phy-handle = <&phy1>;
+ };
+
+ mdio-bus {
+ phy1: ethernet-phy@1 {
+ reg = <1>;
+ phy-mode = "rgmii";
+ };
+ };
+};
+
+&pinctrl {
+ state_default: pinctrl0 {
+ gpio {
+ ralink,group = "wdt", "rgmii2", "uart3";
+ ralink,function = "gpio";
+ };
+ };
+};
diff --git a/drivers/staging/mt7621-dts/mt7621.dtsi b/drivers/staging/mt7621-dts/mt7621.dtsi
new file mode 100644
index 000000000000..a6b17ea9ade8
--- /dev/null
+++ b/drivers/staging/mt7621-dts/mt7621.dtsi
@@ -0,0 +1,471 @@
+#include <dt-bindings/interrupt-controller/mips-gic.h>
+
+/ {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "mediatek,mt7621-soc";
+
+ cpus {
+ cpu@0 {
+ compatible = "mips,mips1004Kc";
+ };
+
+ cpu@1 {
+ compatible = "mips,mips1004Kc";
+ };
+ };
+
+ cpuintc: cpuintc@0 {
+ #address-cells = <0>;
+ #interrupt-cells = <1>;
+ interrupt-controller;
+ compatible = "mti,cpu-interrupt-controller";
+ };
+
+ aliases {
+ serial0 = &uartlite;
+ };
+
+ cpuclock: cpuclock@0 {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+
+ /* FIXME: there should be way to detect this */
+ clock-frequency = <880000000>;
+ };
+
+ sysclock: sysclock@0 {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+
+ /* FIXME: there should be way to detect this */
+ clock-frequency = <50000000>;
+ };
+
+ palmbus: palmbus@1E000000 {
+ compatible = "palmbus";
+ reg = <0x1E000000 0x100000>;
+ ranges = <0x0 0x1E000000 0x0FFFFF>;
+
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ sysc: sysc@0 {
+ compatible = "mtk,mt7621-sysc";
+ reg = <0x0 0x100>;
+ };
+
+ wdt: wdt@100 {
+ compatible = "mtk,mt7621-wdt";
+ reg = <0x100 0x100>;
+ };
+
+ gpio@600 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ compatible = "mtk,mt7621-gpio";
+ reg = <0x600 0x100>;
+
+ gpio0: bank@0 {
+ reg = <0>;
+ compatible = "mtk,mt7621-gpio-bank";
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+
+ gpio1: bank@1 {
+ reg = <1>;
+ compatible = "mtk,mt7621-gpio-bank";
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+
+ gpio2: bank@2 {
+ reg = <2>;
+ compatible = "mtk,mt7621-gpio-bank";
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+ };
+
+ i2c: i2c@900 {
+ compatible = "mediatek,mt7621-i2c";
+ reg = <0x900 0x100>;
+
+ clocks = <&sysclock>;
+
+ resets = <&rstctrl 16>;
+ reset-names = "i2c";
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ status = "disabled";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c_pins>;
+ };
+
+ i2s: i2s@a00 {
+ compatible = "mediatek,mt7621-i2s";
+ reg = <0xa00 0x100>;
+
+ clocks = <&sysclock>;
+
+ resets = <&rstctrl 17>;
+ reset-names = "i2s";
+
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SHARED 16 IRQ_TYPE_LEVEL_HIGH>;
+
+ txdma-req = <2>;
+ rxdma-req = <3>;
+
+ dmas = <&gdma 4>,
+ <&gdma 6>;
+ dma-names = "tx", "rx";
+
+ status = "disabled";
+ };
+
+ memc: memc@5000 {
+ compatible = "mtk,mt7621-memc";
+ reg = <0x300 0x100>;
+ };
+
+ cpc: cpc@1fbf0000 {
+ compatible = "mtk,mt7621-cpc";
+ reg = <0x1fbf0000 0x8000>;
+ };
+
+ mc: mc@1fbf8000 {
+ compatible = "mtk,mt7621-mc";
+ reg = <0x1fbf8000 0x8000>;
+ };
+
+ uartlite: uartlite@c00 {
+ compatible = "ns16550a";
+ reg = <0xc00 0x100>;
+
+ clocks = <&sysclock>;
+ clock-frequency = <50000000>;
+
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SHARED 26 IRQ_TYPE_LEVEL_HIGH>;
+
+ reg-shift = <2>;
+ reg-io-width = <4>;
+ no-loopback-test;
+ };
+
+ spi0: spi@b00 {
+ status = "disabled";
+
+ compatible = "ralink,mt7621-spi";
+ reg = <0xb00 0x100>;
+
+ clocks = <&sysclock>;
+
+ resets = <&rstctrl 18>;
+ reset-names = "spi";
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi_pins>;
+ };
+
+ gdma: gdma@2800 {
+ compatible = "ralink,rt3883-gdma";
+ reg = <0x2800 0x800>;
+
+ resets = <&rstctrl 14>;
+ reset-names = "dma";
+
+ interrupt-parent = <&gic>;
+ interrupts = <0 13 4>;
+
+ #dma-cells = <1>;
+ #dma-channels = <16>;
+ #dma-requests = <16>;
+
+ status = "disabled";
+ };
+
+ hsdma: hsdma@7000 {
+ compatible = "mediatek,mt7621-hsdma";
+ reg = <0x7000 0x1000>;
+
+ resets = <&rstctrl 5>;
+ reset-names = "hsdma";
+
+ interrupt-parent = <&gic>;
+ interrupts = <0 11 4>;
+
+ #dma-cells = <1>;
+ #dma-channels = <1>;
+ #dma-requests = <1>;
+
+ status = "disabled";
+ };
+ };
+
+ pinctrl: pinctrl {
+ compatible = "ralink,rt2880-pinmux";
+ pinctrl-names = "default";
+ pinctrl-0 = <&state_default>;
+
+ state_default: pinctrl0 {
+ };
+
+ i2c_pins: i2c {
+ i2c {
+ ralink,group = "i2c";
+ ralink,function = "i2c";
+ };
+ };
+
+ spi_pins: spi {
+ spi {
+ ralink,group = "spi";
+ ralink,function = "spi";
+ };
+ };
+
+ uart1_pins: uart1 {
+ uart1 {
+ ralink,group = "uart1";
+ ralink,function = "uart1";
+ };
+ };
+
+ uart2_pins: uart2 {
+ uart2 {
+ ralink,group = "uart2";
+ ralink,function = "uart2";
+ };
+ };
+
+ uart3_pins: uart3 {
+ uart3 {
+ ralink,group = "uart3";
+ ralink,function = "uart3";
+ };
+ };
+
+ rgmii1_pins: rgmii1 {
+ rgmii1 {
+ ralink,group = "rgmii1";
+ ralink,function = "rgmii1";
+ };
+ };
+
+ rgmii2_pins: rgmii2 {
+ rgmii2 {
+ ralink,group = "rgmii2";
+ ralink,function = "rgmii2";
+ };
+ };
+
+ mdio_pins: mdio {
+ mdio {
+ ralink,group = "mdio";
+ ralink,function = "mdio";
+ };
+ };
+
+ pcie_pins: pcie {
+ pcie {
+ ralink,group = "pcie";
+ ralink,function = "pcie rst";
+ };
+ };
+
+ nand_pins: nand {
+ spi-nand {
+ ralink,group = "spi";
+ ralink,function = "nand1";
+ };
+
+ sdhci-nand {
+ ralink,group = "sdhci";
+ ralink,function = "nand2";
+ };
+ };
+
+ sdhci_pins: sdhci {
+ sdhci {
+ ralink,group = "sdhci";
+ ralink,function = "sdhci";
+ };
+ };
+ };
+
+ rstctrl: rstctrl {
+ compatible = "ralink,rt2880-reset";
+ #reset-cells = <1>;
+ };
+
+ clkctrl: clkctrl {
+ compatible = "ralink,rt2880-clock";
+ #clock-cells = <1>;
+ };
+
+ sdhci: sdhci@1E130000 {
+ status = "disabled";
+
+ compatible = "ralink,mt7620-sdhci";
+ reg = <0x1E130000 0x4000>;
+
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SHARED 20 IRQ_TYPE_LEVEL_HIGH>;
+ };
+
+ xhci: xhci@1E1C0000 {
+ status = "okay";
+
+ compatible = "mediatek,mt8173-xhci";
+ reg = <0x1e1c0000 0x1000
+ 0x1e1d0700 0x0100>;
+ reg-names = "mac", "ippc";
+
+ clocks = <&sysclock>;
+ clock-names = "sys_ck";
+
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SHARED 22 IRQ_TYPE_LEVEL_HIGH>;
+ };
+
+ gic: interrupt-controller@1fbc0000 {
+ compatible = "mti,gic";
+ reg = <0x1fbc0000 0x2000>;
+
+ interrupt-controller;
+ #interrupt-cells = <3>;
+
+ mti,reserved-cpu-vectors = <7>;
+
+ timer {
+ compatible = "mti,gic-timer";
+ interrupts = <GIC_LOCAL 1 IRQ_TYPE_NONE>;
+ clocks = <&cpuclock>;
+ };
+ };
+
+ nand: nand@1e003000 {
+ status = "disabled";
+
+ compatible = "mtk,mt7621-nand";
+ bank-width = <2>;
+ reg = <0x1e003000 0x800
+ 0x1e003800 0x800>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ };
+
+ ethsys: syscon@1e000000 {
+ compatible = "mediatek,mt7621-ethsys",
+ "syscon";
+ reg = <0x1e000000 0x1000>;
+ #clock-cells = <1>;
+ };
+
+ ethernet: ethernet@1e100000 {
+ compatible = "mediatek,mt7621-eth";
+ reg = <0x1e100000 0x10000>;
+
+ clocks = <&sysclock>;
+ clock-names = "ethif";
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ resets = <&rstctrl 6 &rstctrl 23>;
+ reset-names = "fe", "eth";
+
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SHARED 3 IRQ_TYPE_LEVEL_HIGH>;
+
+ mediatek,ethsys = <&ethsys>;
+
+ mediatek,switch = <&gsw>;
+
+ mdio-bus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ phy1f: ethernet-phy@1f {
+ reg = <0x1f>;
+ phy-mode = "rgmii";
+ };
+ };
+ };
+
+ gsw: gsw@1e110000 {
+ compatible = "mediatek,mt7621-gsw";
+ reg = <0x1e110000 0x8000>;
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SHARED 23 IRQ_TYPE_LEVEL_HIGH>;
+ };
+
+ pcie: pcie@1e140000 {
+ compatible = "mediatek,mt7621-pci";
+ reg = <0x1e140000 0x100
+ 0x1e142000 0x100>;
+
+ #address-cells = <3>;
+ #size-cells = <2>;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&pcie_pins>;
+
+ device_type = "pci";
+
+ bus-range = <0 255>;
+ ranges = <
+ 0x02000000 0 0x00000000 0x60000000 0 0x10000000 /* pci memory */
+ 0x01000000 0 0x00000000 0x1e160000 0 0x00010000 /* io space */
+ >;
+
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_SHARED 4 IRQ_TYPE_LEVEL_HIGH
+ GIC_SHARED 24 IRQ_TYPE_LEVEL_HIGH
+ GIC_SHARED 25 IRQ_TYPE_LEVEL_HIGH>;
+
+ status = "disabled";
+
+ resets = <&rstctrl 24 &rstctrl 25 &rstctrl 26>;
+ reset-names = "pcie0", "pcie1", "pcie2";
+ clocks = <&clkctrl 24 &clkctrl 25 &clkctrl 26>;
+ clock-names = "pcie0", "pcie1", "pcie2";
+
+ pcie0 {
+ reg = <0x0000 0 0 0 0>;
+
+ #address-cells = <3>;
+ #size-cells = <2>;
+
+ device_type = "pci";
+ };
+
+ pcie1 {
+ reg = <0x0800 0 0 0 0>;
+
+ #address-cells = <3>;
+ #size-cells = <2>;
+
+ device_type = "pci";
+ };
+
+ pcie2 {
+ reg = <0x1000 0 0 0 0>;
+
+ #address-cells = <3>;
+ #size-cells = <2>;
+
+ device_type = "pci";
+ };
+ };
+};