On Mon, 27 Mar 2023 at 16:28, Devi Priya <quic_devipriy@xxxxxxxxxxx> wrote:
>
> Add initial device tree support for Qualcomm IPQ9574 SoC and
> Reference Design Platform(RDP) 433 which is based on IPQ9574
> family of SoCs
>
> Co-developed-by: Anusha Rao <quic_anusha@xxxxxxxxxxx>
> Signed-off-by: Anusha Rao <quic_anusha@xxxxxxxxxxx>
> Co-developed-by: Poovendhan Selvaraj <quic_poovendh@xxxxxxxxxxx>
> Signed-off-by: Poovendhan Selvaraj <quic_poovendh@xxxxxxxxxxx>
> Signed-off-by: Devi Priya <quic_devipriy@xxxxxxxxxxx>
> ---
> Changes in V10:
> - Renamed the Board Device Tree Source to use the RDP numbers
> - Updated the Makefile, subject and commit message accordingly
>
> arch/arm64/boot/dts/qcom/Makefile | 1 +
> arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts | 84 ++++++
> arch/arm64/boot/dts/qcom/ipq9574.dtsi | 270 ++++++++++++++++++++
> 3 files changed, 355 insertions(+)
> create mode 100644 arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts
> create mode 100644 arch/arm64/boot/dts/qcom/ipq9574.dtsi
>
> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
> index 1a29403400b7..52f1f92c5195 100644
> --- a/arch/arm64/boot/dts/qcom/Makefile
> +++ b/arch/arm64/boot/dts/qcom/Makefile
> @@ -8,6 +8,7 @@ dtb-$(CONFIG_ARCH_QCOM) += ipq6018-cp01-c1.dtb
> dtb-$(CONFIG_ARCH_QCOM) += ipq8074-hk01.dtb
> dtb-$(CONFIG_ARCH_QCOM) += ipq8074-hk10-c1.dtb
> dtb-$(CONFIG_ARCH_QCOM) += ipq8074-hk10-c2.dtb
> +dtb-$(CONFIG_ARCH_QCOM) += ipq9574-rdp433.dtb
> dtb-$(CONFIG_ARCH_QCOM) += msm8916-acer-a1-724.dtb
> dtb-$(CONFIG_ARCH_QCOM) += msm8916-alcatel-idol347.dtb
> dtb-$(CONFIG_ARCH_QCOM) += msm8916-asus-z00l.dtb
> diff --git a/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts b/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts
> new file mode 100644
> index 000000000000..2ce8e09e7565
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/ipq9574-rdp433.dts
> @@ -0,0 +1,84 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
> +/*
> + * IPQ9574 RDP433 board device tree source
> + *
> + * Copyright (c) 2020-2021 The Linux Foundation. All rights reserved.
> + * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
> + */
> +
> +/dts-v1/;
> +
> +#include "ipq9574.dtsi"
> +
> +/ {
> + model = "Qualcomm Technologies, Inc. IPQ9574/AP-AL02-C7";
> + compatible = "qcom,ipq9574-ap-al02-c7", "qcom,ipq9574";
> +
> + aliases {
> + serial0 = &blsp1_uart2;
> + };
> +
> + chosen {
> + stdout-path = "serial0:115200n8";
> + };
> +};
> +
> +&blsp1_uart2 {
> + pinctrl-0 = <&uart2_pins>;
> + pinctrl-names = "default";
> + status = "okay";
> +};
> +
> +&sdhc_1 {
> + pinctrl-0 = <&sdc_default_state>;
> + pinctrl-names = "default";
> + mmc-ddr-1_8v;
> + mmc-hs200-1_8v;
> + mmc-hs400-1_8v;
> + mmc-hs400-enhanced-strobe;
> + max-frequency = <384000000>;
> + bus-width = <8>;
> + status = "okay";
> +};
> +
> +&sleep_clk {
> + clock-frequency = <32000>;
> +};
> +
> +&tlmm {
> + sdc_default_state: sdc-default-state {
> + clk-pins {
> + pins = "gpio5";
> + function = "sdc_clk";
> + drive-strength = <8>;
> + bias-disable;
> + };
> +
> + cmd-pins {
> + pins = "gpio4";
> + function = "sdc_cmd";
> + drive-strength = <8>;
> + bias-pull-up;
> + };
> +
> + data-pins {
> + pins = "gpio0", "gpio1", "gpio2",
> + "gpio3", "gpio6", "gpio7",
> + "gpio8", "gpio9";
> + function = "sdc_data";
> + drive-strength = <8>;
> + bias-pull-up;
> + };
> +
> + rclk-pins {
> + pins = "gpio10";
> + function = "sdc_rclk";
> + drive-strength = <8>;
> + bias-pull-down;
> + };
> + };
> +};
> +
> +&xo_board_clk {
> + clock-frequency = <24000000>;
> +};
> diff --git a/arch/arm64/boot/dts/qcom/ipq9574.dtsi b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> new file mode 100644
> index 000000000000..3bb7435f5e7f
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> @@ -0,0 +1,270 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
> +/*
> + * IPQ9574 SoC device tree source
> + *
> + * Copyright (c) 2020-2021 The Linux Foundation. All rights reserved.
> + * Copyright (c) 2023, Qualcomm Innovation Center, Inc. All rights reserved.
> + */
> +
> +#include <dt-bindings/interrupt-controller/arm-gic.h>
> +#include <dt-bindings/clock/qcom,ipq9574-gcc.h>
> +#include <dt-bindings/reset/qcom,ipq9574-gcc.h>
> +
> +/ {
> + interrupt-parent = <&intc>;
> + #address-cells = <2>;
> + #size-cells = <2>;
> +
> + clocks {
> + bias_pll_ubi_nc_clk: bias-pll-ubi-nc-clk {
> + compatible = "fixed-clock";
> + clock-frequency = <353000000>;
> + #clock-cells = <0>;
> + };
What is the source for this clock? With it clocking at 353 MHz, I
doubt that it is an external clock.
> +
> + sleep_clk: sleep-clk {
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + };
> +
> + xo_board_clk: xo-board-clk {
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + };
> + };
[skipped the rest]
--
With best wishes
Dmitry
