bcm6753: add initial support

This add the initial support of the broadcom bcm6753 SoC family.

Signed-off-by: Philippe Reynes <philippe.reynes@softathome.com>

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 06a540d965dac95a4b3335d4f0e32a7c020beadd..6ce683a9a1175b4449712b67586346b74e66c0a5 100644 (file)
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -617,6 +617,13 @@ config ARCH_BCM63158
        select OF_CONTROL
        imply CMD_DM
 
+config ARCH_BCM6753
+       bool "Broadcom BCM6753 family"
+       select CPU_V7A
+       select DM
+       select OF_CONTROL
+       imply CMD_DM
+
 config ARCH_BCM68360
        bool "Broadcom BCM68360 family"
        select DM

diff --git a/arch/arm/dts/bcm6753.dtsi b/arch/arm/dts/bcm6753.dtsi
new file mode 100644 (file)
index 0000000..bcbb8e1
--- /dev/null
+++ b/arch/arm/dts/bcm6753.dtsi
@@ -0,0 +1,201 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2022 Philippe Reynes <philippe.reynes@softathome.com>
+ */
+
+#include "skeleton.dtsi"
+
+/ {
+       compatible = "brcm,bcm6753";
+       #address-cells = <1>;
+       #size-cells = <1>;
+
+       cpus {
+               #address-cells = <1>;
+               #size-cells = <0>;
+               u-boot,dm-pre-reloc;
+
+               cpu0: cpu@0 {
+                       compatible = "arm,cortex-a7";
+                       device_type = "cpu";
+                       reg = <0x0>;
+                       next-level-cache = <&l2>;
+                       u-boot,dm-pre-reloc;
+               };
+
+               cpu1: cpu@1 {
+                       compatible = "arm,cortex-a7";
+                       device_type = "cpu";
+                       reg = <0x1>;
+                       next-level-cache = <&l2>;
+                       u-boot,dm-pre-reloc;
+               };
+
+               cpu2: cpu@2 {
+                       compatible = "arm,cortex-a7";
+                       device_type = "cpu";
+                       reg = <0x2>;
+                       next-level-cache = <&l2>;
+                       u-boot,dm-pre-reloc;
+               };
+
+               l2: l2-cache0 {
+                       compatible = "cache";
+                       u-boot,dm-pre-reloc;
+               };
+       };
+
+       clocks {
+               compatible = "simple-bus";
+               #address-cells = <1>;
+               #size-cells = <1>;
+               ranges;
+               u-boot,dm-pre-reloc;
+
+               periph_osc: periph-osc {
+                       compatible = "fixed-clock";
+                       #clock-cells = <0>;
+                       clock-frequency = <200000000>;
+                       u-boot,dm-pre-reloc;
+               };
+
+               hsspi_pll: hsspi-pll {
+                       compatible = "fixed-factor-clock";
+                       #clock-cells = <0>;
+                       clocks = <&periph_osc>;
+                       clock-mult = <2>;
+                       clock-div = <1>;
+               };
+
+               refclk50mhz: refclk50mhz {
+                       compatible = "fixed-clock";
+                       #clock-cells = <0>;
+                       clock-frequency = <50000000>;
+               };
+       };
+
+       ubus {
+               compatible = "simple-bus";
+               #address-cells = <1>;
+               #size-cells = <1>;
+               u-boot,dm-pre-reloc;
+
+               uart0: serial@ff812000 {
+                       compatible = "arm,pl011", "arm,primecell";
+                       reg = <0xff812000 0x1000>;
+                       clock = <50000000>;
+
+                       status = "disabled";
+               };
+
+               wdt1: watchdog@ff800480 {
+                       compatible = "brcm,bcm6345-wdt";
+                       reg = <0xff800480 0x14>;
+                       clocks = <&refclk50mhz>;
+               };
+
+               wdt2: watchdog@ff8004c0 {
+                       compatible = "brcm,bcm6345-wdt";
+                       reg = <0xff8004c0 0x14>;
+                       clocks = <&refclk50mhz>;
+               };
+
+               wdt-reboot {
+                       compatible = "wdt-reboot";
+                       wdt = <&wdt1>;
+               };
+
+               gpio0: gpio-controller@0xff800500 {
+                       compatible = "brcm,bcm6345-gpio";
+                       reg = <0xff800500 0x4>,
+                             <0xff800520 0x4>;
+                       gpio-controller;
+                       #gpio-cells = <2>;
+
+                       status = "disabled";
+               };
+
+               gpio1: gpio-controller@0xff800504 {
+                       compatible = "brcm,bcm6345-gpio";
+                       reg = <0xff800504 0x4>,
+                             <0xff800524 0x4>;
+                       gpio-controller;
+                       #gpio-cells = <2>;
+
+                       status = "disabled";
+               };
+
+               gpio2: gpio-controller@0xff800508 {
+                       compatible = "brcm,bcm6345-gpio";
+                       reg = <0xff800508 0x4>,
+                             <0xff800528 0x4>;
+                       gpio-controller;
+                       #gpio-cells = <2>;
+
+                       status = "disabled";
+               };
+
+               gpio3: gpio-controller@0xff80050c {
+                       compatible = "brcm,bcm6345-gpio";
+                       reg = <0xff80050c 0x4>,
+                             <0xff80052c 0x4>;
+                       gpio-controller;
+                       #gpio-cells = <2>;
+
+                       status = "disabled";
+               };
+
+               gpio4: gpio-controller@0xff800510 {
+                       compatible = "brcm,bcm6345-gpio";
+                       reg = <0xff800510 0x4>,
+                             <0xff800530 0x4>;
+                       gpio-controller;
+                       #gpio-cells = <2>;
+
+                       status = "disabled";
+               };
+
+               gpio5: gpio-controller@0xff800514 {
+                       compatible = "brcm,bcm6345-gpio";
+                       reg = <0xff800514 0x4>,
+                             <0xff800534 0x4>;
+                       gpio-controller;
+                       #gpio-cells = <2>;
+
+                       status = "disabled";
+               };
+
+               gpio6: gpio-controller@0xff800518 {
+                       compatible = "brcm,bcm6345-gpio";
+                       reg = <0xff800518 0x4>,
+                             <0xff800538 0x4>;
+                       gpio-controller;
+                       #gpio-cells = <2>;
+
+                       status = "disabled";
+               };
+
+               gpio7: gpio-controller@0xff80051c {
+                       compatible = "brcm,bcm6345-gpio";
+                       reg = <0xff80051c 0x4>,
+                             <0xff80053c 0x4>;
+                       gpio-controller;
+                       #gpio-cells = <2>;
+
+                       status = "disabled";
+               };
+
+               nand: nand-controller@ff801800 {
+                       compatible = "brcm,nand-bcm6753",
+                                    "brcm,brcmnand-v5.0",
+                                    "brcm,brcmnand";
+                       reg-names = "nand", "nand-int-base", "nand-cache";
+                       reg = <0xff801800 0x180>,
+                             <0xff802000 0x10>,
+                             <0xff801c00 0x200>;
+                       parameter-page-big-endian = <0>;
+
+                       status = "disabled";
+               };
+       };
+};