[PATCH v3 09/12] ARM64: dts: bcm4908: Add BCMBCA peripherals
William Zhang
william.zhang at broadcom.com
Mon May 12 11:42:14 PDT 2025
> -----Original Message-----
> From: Linus Walleij <linus.walleij at linaro.org>
> Sent: Monday, May 12, 2025 5:06 AM
> To: Rob Herring <robh at kernel.org>; Krzysztof Kozlowski
> <krzk+dt at kernel.org>;
> Conor Dooley <conor+dt at kernel.org>; William Zhang
> <william.zhang at broadcom.com>; Anand Gore <anand.gore at broadcom.com>;
> Kursad Oney <kursad.oney at broadcom.com>; Florian Fainelli
> <florian.fainelli at broadcom.com>; Rafał Miłecki <rafal at milecki.pl>;
> Broadcom
> internal kernel review list <bcm-kernel-feedback-list at broadcom.com>;
> Olivia
> Mackall <olivia at selenic.com>; Ray Jui <rjui at broadcom.com>; Scott Branden
> <sbranden at broadcom.com>; Florian Fainelli <f.fainelli at gmail.com>
> Cc: devicetree at vger.kernel.org; linux-arm-kernel at lists.infradead.org;
> linux-
> crypto at vger.kernel.org; Linus Walleij <linus.walleij at linaro.org>
> Subject: [PATCH v3 09/12] ARM64: dts: bcm4908: Add BCMBCA peripherals
>
> All the BCMBCA SoCs share a set of peripherals at 0xff800000,
> albeit at slightly varying memory locations on the bus and
> with varying IRQ assignments. ARM64 SoCs have additional
> peripherals at 0xff858000, we extend the peripheral bus
> range to 0x400000 to cover this area.
>
> Add the watchdog, remaining GPIO blocks, RNG, and DMA blocks
> for the BCM4908 based on the vendor files 4908_map_part.h
> and 4908_intr.h from the "bcmopen-consumer" code drop.
>
> This SoC has up to 320 possible GPIOs due to having 10
> registers with 32 GPIOs in each available.
>
> Signed-off-by: Linus Walleij <linus.walleij at linaro.org>
> ---
> arch/arm64/boot/dts/broadcom/bcmbca/bcm4908.dtsi | 116
> ++++++++++++++++++++++-
> 1 file changed, 113 insertions(+), 3 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/broadcom/bcmbca/bcm4908.dtsi
> b/arch/arm64/boot/dts/broadcom/bcmbca/bcm4908.dtsi
> index
> 613ba7ee43d6489ea0f1490d2fccaf90961b2694..3b7595fd4e81d150278816bbe
> 27e08286cde2ff8 100644
> --- a/arch/arm64/boot/dts/broadcom/bcmbca/bcm4908.dtsi
> +++ b/arch/arm64/boot/dts/broadcom/bcmbca/bcm4908.dtsi
> @@ -323,11 +323,12 @@ pmb: power-controller at 2800c0 {
> };
> };
>
> + /* PERF Peripherals */
> bus at ff800000 {
> compatible = "simple-bus";
> #address-cells = <1>;
> #size-cells = <1>;
> - ranges = <0x00 0x00 0xff800000 0x3000>;
> + ranges = <0x00 0x00 0xff800000 0x400000>;
>
> twd: timer-mfd at 400 {
> compatible = "brcm,bcm4908-twd", "simple-mfd",
> "syscon";
> @@ -348,13 +349,103 @@ watchdog at 28 {
> };
> };
>
> - gpio0: gpio-controller at 500 {
> + /* GPIOs 0 .. 31 */
> + gpio0: gpio at 500 {
> compatible = "brcm,bcm6345-gpio";
> + reg = <0x500 0x04>, <0x528 0x04>;
> reg-names = "dirout", "dat";
> - reg = <0x500 0x28>, <0x528 0x28>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + };
> +
> + /* GPIOs 32 .. 63 */
> + gpio1: gpio at 504 {
> + compatible = "brcm,bcm6345-gpio";
> + reg = <0x504 0x04>, <0x52c 0x04>;
> + reg-names = "dirout", "dat";
> + gpio-controller;
> + #gpio-cells = <2>;
> + status = "disabled";
> + };
> +
> + /* GPIOs 64 .. 95 */
> + gpio2: gpio at 508 {
> + compatible = "brcm,bcm6345-gpio";
> + reg = <0x508 0x04>, <0x530 0x04>;
> + reg-names = "dirout", "dat";
> + gpio-controller;
> + #gpio-cells = <2>;
> + status = "disabled";
> + };
>
> + /* GPIOs 96 .. 127 */
> + gpio3: gpio at 50c {
> + compatible = "brcm,bcm6345-gpio";
> + reg = <0x50c 0x04>, <0x534 0x04>;
> + reg-names = "dirout", "dat";
> + gpio-controller;
> #gpio-cells = <2>;
> + status = "disabled";
> + };
> +
> + /* GPIOs 128 .. 159 */
> + gpio4: gpio at 510 {
> + compatible = "brcm,bcm6345-gpio";
> + reg = <0x510 0x04>, <0x538 0x04>;
> + reg-names = "dirout", "dat";
> gpio-controller;
> + #gpio-cells = <2>;
> + status = "disabled";
> + };
> +
> + /* GPIOs 160 .. 191 */
> + gpio5: gpio at 514 {
> + compatible = "brcm,bcm6345-gpio";
> + reg = <0x514 0x04>, <0x53c 0x04>;
> + reg-names = "dirout", "dat";
> + gpio-controller;
> + #gpio-cells = <2>;
> + status = "disabled";
> + };
> +
> + /* GPIOs 192 .. 223 */
> + gpio6: gpio at 518 {
> + compatible = "brcm,bcm6345-gpio";
> + reg = <0x518 0x04>, <0x540 0x04>;
> + reg-names = "dirout", "dat";
> + gpio-controller;
> + #gpio-cells = <2>;
> + status = "disabled";
> + };
> +
> + /* GPIOs 224 .. 255 */
> + gpio7: gpio at 51c {
> + compatible = "brcm,bcm6345-gpio";
> + reg = <0x51c 0x04>, <0x544 0x04>;
> + reg-names = "dirout", "dat";
> + gpio-controller;
> + #gpio-cells = <2>;
> + status = "disabled";
> + };
> +
> + /* GPIOs 256 .. 287 */
> + gpio8: gpio at 520 {
> + compatible = "brcm,bcm6345-gpio";
> + reg = <0x520 0x04>, <0x548 0x04>;
> + reg-names = "dirout", "dat";
> + gpio-controller;
> + #gpio-cells = <2>;
> + status = "disabled";
> + };
> +
> + /* GPIOs 288 .. 319 */
> + gpio9: gpio at 524 {
> + compatible = "brcm,bcm6345-gpio";
> + reg = <0x524 0x04>, <0x54c 0x04>;
> + reg-names = "dirout", "dat";
> + gpio-controller;
> + #gpio-cells = <2>;
> + status = "disabled";
> };
>
> pinctrl at 560 {
> @@ -584,6 +675,12 @@ leds: leds at 800 {
> #size-cells = <0>;
> };
>
> + rng at b80 {
> + compatible = "brcm,iproc-rng200";
> + reg = <0xb80 0x28>;
> + interrupts = <GIC_SPI 79 IRQ_TYPE_LEVEL_HIGH>;
> + };
> +
> hsspi: spi at 1000 {
> #address-cells = <1>;
> #size-cells = <0>;
> @@ -636,6 +733,19 @@ reset-controller at 2644 {
> #reset-cells = <1>;
> };
> };
> +
> + pl081_dma: dma-controller at 59000 {
> + compatible = "arm,pl081", "arm,primecell";
> + // The magic B105F00D info is missing
> + arm,primecell-periphid = <0x00041081>;
> + reg = <0x59000 0x1000>;
> + interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>;
> + memcpy-burst-size = <256>;
> + memcpy-bus-width = <32>;
> + clocks = <&periph_clk>;
> + clock-names = "apb_pclk";
> + #dma-cells = <2>;
> + };
> };
>
> reboot {
>
> --
> 2.49.0
Reviewed-by: William Zhang <william.zhang at broadcom.com>
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