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Message-ID: <f6ef1834-b629-b76c-9cde-55af56320665@linaro.org>
Date: Wed, 11 Jan 2023 10:44:03 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: devi priya <quic_devipriy@...cinc.com>, agross@...nel.org,
andersson@...nel.org, konrad.dybcio@...aro.org, robh+dt@...nel.org,
krzysztof.kozlowski+dt@...aro.org, mturquette@...libre.com,
sboyd@...nel.org, linus.walleij@...aro.org,
catalin.marinas@....com, will@...nel.org, p.zabel@...gutronix.de,
shawnguo@...nel.org, arnd@...db.de, marcel.ziswiler@...adex.com,
dmitry.baryshkov@...aro.org, nfraprado@...labora.com,
broonie@...nel.org, tdas@...eaurora.org,
linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
linux-gpio@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Cc: quic_srichara@...cinc.com, quic_gokulsri@...cinc.com,
quic_sjaganat@...cinc.com, quic_kathirav@...cinc.com,
quic_arajkuma@...cinc.com, quic_anusha@...cinc.com,
quic_poovendh@...cinc.com
Subject: Re: [PATCH 6/7] arm64: dts: Add ipq9574 SoC and AL02 board support
On 10/01/2023 13:13, devi priya wrote:
> From: POOVENDHAN SELVARAJ <quic_poovendh@...cinc.com>
>
> Add initial device tree support for Qualcomm IPQ9574 SoC
> and AL02 board
>
> Co-developed-by: Anusha Rao <quic_anusha@...cinc.com>
> Signed-off-by: Anusha Rao <quic_anusha@...cinc.com>
> Co-developed-by: devi priya <quic_devipriy@...cinc.com>
> Signed-off-by: devi priya <quic_devipriy@...cinc.com>
> Signed-off-by: POOVENDHAN SELVARAJ <quic_poovendh@...cinc.com>
> ---
> arch/arm64/boot/dts/qcom/Makefile | 1 +
> arch/arm64/boot/dts/qcom/ipq9574-al02-c7.dts | 69 ++++
> arch/arm64/boot/dts/qcom/ipq9574.dtsi | 318 +++++++++++++++++++
> 3 files changed, 388 insertions(+)
> create mode 100644 arch/arm64/boot/dts/qcom/ipq9574-al02-c7.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 3e79496292e7..872c62028a0b 100644
> --- a/arch/arm64/boot/dts/qcom/Makefile
> +++ b/arch/arm64/boot/dts/qcom/Makefile
> @@ -7,6 +7,7 @@ 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-$(CONFIG_ARCH_QCOM) += ipq9574-al02-c7.dtb
> dtb-$(CONFIG_ARCH_QCOM) += msm8916-alcatel-idol347.dtb
> dtb-$(CONFIG_ARCH_QCOM) += msm8916-asus-z00l.dtb
> dtb-$(CONFIG_ARCH_QCOM) += msm8916-huawei-g7.dtb
> diff --git a/arch/arm64/boot/dts/qcom/ipq9574-al02-c7.dts b/arch/arm64/boot/dts/qcom/ipq9574-al02-c7.dts
> new file mode 100644
> index 000000000000..ae3c32f3e16a
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/ipq9574-al02-c7.dts
> @@ -0,0 +1,69 @@
> +// SPDX-License-Identifier: GPL-2.0-only
Not dual licensed? Not BSD?
> +/*
> + * IPQ9574 AL02-C7 board device tree source
> + *
> + * Copyright (c) 2020-2021 The Linux Foundation. All rights reserved.
> + * Copyright (c) 2022 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";
> + interrupt-parent = <&intc>;
> +
> + aliases {
> + serial0 = &blsp1_uart2;
> + };
> +
> + chosen {
> + stdout-path = "serial0:115200n8";
> + };
> +};
> +
> +&blsp1_uart2 {
> + pinctrl-0 = <&uart2_pins>;
> + pinctrl-names = "default";
> + status = "okay";
> +};
> +
> +&sdhc_1 {
> + pinctrl-0 = <&emmc_pins>;
> + pinctrl-names = "default";
> + status = "okay";
> +};
> +
> +&tlmm {
> + emmc_pins: emmc-state {
> + emmc-clk-pins {
> + pins = "gpio5";
> + function = "sdc_clk";
> + drive-strength = <8>;
> + bias-disable;
> + };
> + emmc-cmd-pins {
> + pins = "gpio4";
> + function = "sdc_cmd";
> + drive-strength = <8>;
> + bias-pull-up;
> + };
> + emmc-data-pins {
> + pins = "gpio0", "gpio1", "gpio2",
> + "gpio3", "gpio6", "gpio7",
> + "gpio8", "gpio9";
> + function = "sdc_data";
> + drive-strength = <8>;
> + bias-pull-up;
> + };
> + emmc-rclk-pins {
> + pins = "gpio10";
> + function = "sdc_rclk";
> + drive-strength = <8>;
> + bias-pull-down;
> + };
> + };
> +
> +};
> diff --git a/arch/arm64/boot/dts/qcom/ipq9574.dtsi b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> new file mode 100644
> index 000000000000..188d18688a77
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
> @@ -0,0 +1,318 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +/*
> + * IPQ9574 SoC device tree source
> + *
> + * Copyright (c) 2020-2021 The Linux Foundation. All rights reserved.
> + * Copyright (c) 2022, Qualcomm Innovation Center, Inc. All rights reserved.
> + */
> +
> +#include <dt-bindings/interrupt-controller/arm-gic.h>
> +#include <dt-bindings/clock/qcom,gcc-ipq9574.h>
> +#include <dt-bindings/reset/qcom,gcc-ipq9574.h>
> +
> +/ {
> + interrupt-parent = <&intc>;
> + #address-cells = <2>;
> + #size-cells = <2>;
> +
> + clocks {
> + bias_pll_ubi_nc_clk: bias_pll_ubi_nc_clk {
No undercores in node names.
> + compatible = "fixed-clock";
> + clock-frequency = <353000000>;
> + #clock-cells = <0>;
> + };
> +
> + pcie30_phy0_pipe_clk: pcie30_phy0_pipe_clk {
> + compatible = "fixed-clock";
> + clock-frequency = <250000000>;
> + #clock-cells = <0>;
> + };
> +
> + pcie30_phy1_pipe_clk: pcie30_phy1_pipe_clk {
> + compatible = "fixed-clock";
> + clock-frequency = <250000000>;
> + #clock-cells = <0>;
> + };
> +
> + pcie30_phy2_pipe_clk: pcie30_phy2_pipe_clk {
> + compatible = "fixed-clock";
> + clock-frequency = <250000000>;
> + #clock-cells = <0>;
> + };
> +
> + pcie30_phy3_pipe_clk: pcie30_phy3_pipe_clk {
> + compatible = "fixed-clock";
> + clock-frequency = <250000000>;
> + #clock-cells = <0>;
> + };
> +
> + usb3phy_0_cc_pipe_clk: usb3phy_0_cc_pipe_clk {
> + compatible = "fixed-clock";
> + clock-frequency = <125000000>;
> + #clock-cells = <0>;
> + };
> +
> + sleep_clk: sleep-clk {
> + compatible = "fixed-clock";
> + clock-frequency = <32000>;
That's not a property of the SoC, but board. Either entire clock or at
least frequency to indicate that the board is providing the clock.
> + #clock-cells = <0>;> + };
> +
> + xo_board_clk: xo-board-clk {
> + compatible = "fixed-clock";
> + clock-frequency = <24000000>;
Ditto.
> + #clock-cells = <0>;
> + };
> + };
> +
> + cpus {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + CPU0: cpu@0 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a73";
> + reg = <0x0>;
> + enable-method = "psci";
> + next-level-cache = <&L2_0>;
> + };
> +
> + CPU1: cpu@1 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a73";
> + reg = <0x1>;
> + enable-method = "psci";
> + next-level-cache = <&L2_0>;
> + };
> +
> + CPU2: cpu@2 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a73";
> + reg = <0x2>;
> + enable-method = "psci";
> + next-level-cache = <&L2_0>;
> + };
> +
> + CPU3: cpu@3 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a73";
> + reg = <0x3>;
> + enable-method = "psci";
> + next-level-cache = <&L2_0>;
> + };
> +
> + L2_0: l2-cache {
> + compatible = "cache";
> + cache-level = <2>;
> + };
> + };
> +
> + memory@...00000 {
> + device_type = "memory";
> + /* We expect the bootloader to fill in the size */
> + reg = <0x0 0x40000000 0x0 0x0>;
> + };
> +
> + pmu {
> + compatible = "arm,cortex-a73-pmu";
> + interrupts = <GIC_PPI 7 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
> + };
> +
> + psci {
> + compatible = "arm,psci-1.0";
> + method = "smc";
> + };
> +
> + reserved-memory {
> + #address-cells = <2>;
> + #size-cells = <2>;
> + ranges;
> +
> + tz_region: memory@...00000 {
> + reg = <0x0 0x4a600000 0x0 0x400000>;
> + no-map;
> + };
> + };
> +
> + soc: soc@0 {
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges = <0 0 0 0xffffffff>;
> + compatible = "simple-bus";
> +
> + tlmm: pinctrl@...0000 {
> + compatible = "qcom,ipq9574-tlmm";
> + reg = <0x01000000 0x300000>;
> + interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + gpio-ranges = <&tlmm 0 0 65>;
> + gpio-reserved-ranges = <59 1>;
Hm, why reserved ranges are in SoC?
> + interrupt-controller;
> + #interrupt-cells = <2>;
> +
> + uart2_pins: uart2-state {
> + pins = "gpio34", "gpio35";
> + function = "blsp2_uart";
> + drive-strength = <8>;
> + bias-disable;
> + };
> + };
> +
> + gcc: clock-controller@...0000 {
> + compatible = "qcom,gcc-ipq9574";
> + reg = <0x1800000 0x80000>;
> + clocks = <&xo_board_clk>,
> + <&sleep_clk>,
> + <&bias_pll_ubi_nc_clk>,
> + <&pcie30_phy0_pipe_clk>,
> + <&pcie30_phy1_pipe_clk>,
> + <&pcie30_phy2_pipe_clk>,
> + <&pcie30_phy3_pipe_clk>,
> + <&usb3phy_0_cc_pipe_clk>;
> + clock-names = "xo",
> + "sleep_clk",
Misaligned. Multiple other places probably as well.
> + "bias_pll_ubi_nc_clk",
> + "pcie30_phy0_pipe_clk",
> + "pcie30_phy1_pipe_clk",
> + "pcie30_phy2_pipe_clk",
> + "pcie30_phy3_pipe_clk",
> + "usb3phy_0_cc_pipe_clk";
> + #clock-cells = <1>;
> + #reset-cells = <1>;
> + };
> +
> + sdhc_1: sdhci@...4000 {
> + compatible = "qcom,sdhci-msm-v5";
> + reg = <0x7804000 0x1000>, <0x7805000 0x1000>;
> + reg-names = "hc_mem", "cmdq_mem";
> +
> + interrupts = <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 138 IRQ_TYPE_LEVEL_HIGH>;
Like here.
> + interrupt-names = "hc_irq", "pwr_irq";
> +
> + clocks = <&xo_board_clk>,
> + <&gcc GCC_SDCC1_AHB_CLK>,
> + <&gcc GCC_SDCC1_APPS_CLK>;
And here
> + clock-names = "xo", "iface", "core";
Does not look like you tested the bindings. Please run `make
dt_binding_check` (see
Documentation/devicetree/bindings/writing-schema.rst for instructions).
> + mmc-ddr-1_8v;
> + mmc-hs200-1_8v;
> + mmc-hs400-1_8v;
> + mmc-hs400-enhanced-strobe;
> + max-frequency = <384000000>;
> + bus-width = <8>;
> + non-removable;
> + status = "disabled";
> + };
> +
> + blsp1_uart2: serial@...1000 {
> + compatible = "qcom,msm-uartdm-v1.4", "qcom,msm-uartdm";
> + reg = <0x078b1000 0x200>;
> + interrupts = <GIC_SPI 306 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&gcc GCC_BLSP1_UART3_APPS_CLK>,
> + <&gcc GCC_BLSP1_AHB_CLK>;
> + clock-names = "core", "iface";
> + status = "disabled";
> + };
> +
> + intc: interrupt-controller@...0000 {
> + compatible = "qcom,msm-qgic2";
> + reg = <0x0b000000 0x1000>, /* GICD */
> + <0x0b002000 0x1000>, /* GICC */
> + <0x0b001000 0x1000>, /* GICH */
> + <0x0b004000 0x1000>; /* GICV */
> + #address-cells = <1>;
> + #size-cells = <1>;
> + interrupt-controller;
> + #interrupt-cells = <3>;
> + interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
> + ranges = <0 0x0b00c000 0x3000>;
> +
> + v2m0: v2m@0 {
> + compatible = "arm,gic-v2m-frame";
> + reg = <0x0 0xffd>;
> + msi-controller;
> + };
> +
> + v2m1: v2m@1 {
> + compatible = "arm,gic-v2m-frame";
> + reg = <0x1000 0xffd>;
> + msi-controller;
> + };
> +
> + v2m2: v2m@2 {
> + compatible = "arm,gic-v2m-frame";
> + reg = <0x2000 0xffd>;
> + msi-controller;
> + };
> + };
> +
> + timer@...0000 {
> + compatible = "arm,armv7-timer-mem";
> + reg = <0xb120000 0x1000>;
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges;
> + clock-frequency = <24000000>;
> +
> + frame@...0000 {
> + reg = <0xb121000 0x1000>,
> + <0xb122000 0x1000>;
> + frame-number = <0>;
> + interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
> + };
> +
> + frame@...3000 {
> + reg = <0xb123000 0x1000>;
> + frame-number = <1>;
> + interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
> + status = "disabled";
> + };
> +
> + frame@...4000 {
> + reg = <0xb124000 0x1000>;
> + frame-number = <2>;
> + interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
> + status = "disabled";
> + };
> +
> + frame@...5000 {
> + reg = <0xb125000 0x1000>;
> + frame-number = <3>;
> + interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
> + status = "disabled";
> + };
> +
> + frame@...6000 {
> + reg = <0xb126000 0x1000>;
> + frame-number = <4>;
> + interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
> + status = "disabled";
> + };
> +
> + frame@...7000 {
> + reg = <0xb127000 0x1000>;
> + frame-number = <5>;
> + interrupts = <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>;
> + status = "disabled";
> + };
> +
> + frame@...8000 {
> + reg = <0xb128000 0x1000>;
> + frame-number = <6>;
> + interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>;
> + status = "disabled";
> + };
> + };
> + };
> +
> + timer {
> + compatible = "arm,armv8-timer";
> + interrupts = <GIC_PPI 2 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
> + <GIC_PPI 3 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
> + <GIC_PPI 4 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
> + <GIC_PPI 1 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
> + clock-frequency = <24000000>;
Is this allowed in recent designs?
> + };
> +};
Best regards,
Krzysztof
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