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Message-ID: <f0312e77-0835-7f79-acf0-3d91d6548f07@linaro.org>
Date: Wed, 25 Jan 2023 22:59:24 +0100
From: Konrad Dybcio <konrad.dybcio@...aro.org>
To: Kathiravan Thirumoorthy <quic_kathirav@...cinc.com>,
agross@...nel.org, andersson@...nel.org, robh+dt@...nel.org,
krzysztof.kozlowski+dt@...aro.org, mturquette@...libre.com,
sboyd@...nel.org, ulf.hansson@...aro.org, linus.walleij@...aro.org,
catalin.marinas@....com, will@...nel.org, shawnguo@...nel.org,
arnd@...db.de, marcel.ziswiler@...adex.com,
dmitry.baryshkov@...aro.org, nfraprado@...labora.com,
broonie@...nel.org, robimarko@...il.com, quic_gurus@...cinc.com,
bhupesh.sharma@...aro.org, linux-arm-msm@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-clk@...r.kernel.org, linux-mmc@...r.kernel.org,
linux-gpio@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 09/10] arm64: dts: qcom: add IPQ5332 SoC and MI01.2 board
support
On 25.01.2023 11:45, Kathiravan Thirumoorthy wrote:
> From: Kathiravan T <quic_kathirav@...cinc.com>
>
> Add initial device tree support for the Qualcomm IPQ5332 SoC and
> MI01.2 board.
>
> Signed-off-by: Kathiravan T <quic_kathirav@...cinc.com>
> ---
> arch/arm64/boot/dts/qcom/Makefile | 1 +
> arch/arm64/boot/dts/qcom/ipq5332-mi01.2.dts | 71 +++++
> arch/arm64/boot/dts/qcom/ipq5332.dtsi | 273 ++++++++++++++++++++
> 3 files changed, 345 insertions(+)
> create mode 100644 arch/arm64/boot/dts/qcom/ipq5332-mi01.2.dts
> create mode 100644 arch/arm64/boot/dts/qcom/ipq5332.dtsi
>
> diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
> index 3e79496292e7..fbd5bc583a9b 100644
> --- a/arch/arm64/boot/dts/qcom/Makefile
> +++ b/arch/arm64/boot/dts/qcom/Makefile
> @@ -3,6 +3,7 @@ dtb-$(CONFIG_ARCH_QCOM) += apq8016-sbc.dtb
> dtb-$(CONFIG_ARCH_QCOM) += apq8094-sony-xperia-kitakami-karin_windy.dtb
> dtb-$(CONFIG_ARCH_QCOM) += apq8096-db820c.dtb
> dtb-$(CONFIG_ARCH_QCOM) += apq8096-ifc6640.dtb
> +dtb-$(CONFIG_ARCH_QCOM) += ipq5332-mi01.2.dtb
> dtb-$(CONFIG_ARCH_QCOM) += ipq6018-cp01-c1.dtb
> dtb-$(CONFIG_ARCH_QCOM) += ipq8074-hk01.dtb
> dtb-$(CONFIG_ARCH_QCOM) += ipq8074-hk10-c1.dtb
> diff --git a/arch/arm64/boot/dts/qcom/ipq5332-mi01.2.dts b/arch/arm64/boot/dts/qcom/ipq5332-mi01.2.dts
> new file mode 100644
> index 000000000000..7984d8f824ce
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/ipq5332-mi01.2.dts
> @@ -0,0 +1,71 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
> +/*
> + * IPQ5332 AP-MI01.2 board device tree source
> + *
> + * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
> + */
> +
> +/dts-v1/;
> +
> +#include "ipq5332.dtsi"
> +
> +/ {
> + model = "Qualcomm Technologies, Inc. IPQ5332/AP-MI01.2";
> + compatible = "qcom,ipq5332-ap-mi01.2", "qcom,ipq5332";
> +
> + aliases {
> + serial0 = &blsp1_uart0;
> + };
> +
> + chosen {
> + stdout-path = "serial0";
> + };
> +};
> +
> +&blsp1_uart0 {
> + pinctrl-0 = <&serial_0_pins>;
> + pinctrl-names = "default";
> + status = "okay";
> +};
> +
> +&sdhc {
> + pinctrl-0 = <&sdc_default_state>;
> + pinctrl-names = "default";
> + non-removable;
> + status = "okay";
> +};
> +
> +&sleep_clk {
> + clock-frequency = <32000>;
> +};
> +
> +&xo_board {
> + clock-frequency = <24000000>;
> +};
> +
> +/* PINCTRL */
> +
> +&tlmm {
> + sdc_default_state: sdc-default-state {
> + clk-pins {
> + pins = "gpio13";
> + function = "sdc_clk";
> + drive-strength = <8>;
> + bias-disable;
> + };
> +
> + cmd-pins {
> + pins = "gpio12";
> + function = "sdc_cmd";
> + drive-strength = <8>;
> + bias-pull-up;
> + };
> +
> + data-pins {
> + pins = "gpio8", "gpio9", "gpio10", "gpio11";
> + function = "sdc_data";
> + drive-strength = <8>;
> + bias-pull-up;
> + };
> + };
> +};
> diff --git a/arch/arm64/boot/dts/qcom/ipq5332.dtsi b/arch/arm64/boot/dts/qcom/ipq5332.dtsi
> new file mode 100644
> index 000000000000..d04244a3cd3a
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/ipq5332.dtsi
> @@ -0,0 +1,273 @@
> +// SPDX-License-Identifier: BSD-3-Clause
> +/*
> + * IPQ5332 device tree source
> + *
> + * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
> + */
> +
> +#include <dt-bindings/clock/qcom,gcc-ipq5332.h>
> +#include <dt-bindings/interrupt-controller/arm-gic.h>
> +
> +/ {
> + interrupt-parent = <&intc>;
> + #address-cells = <2>;
> + #size-cells = <2>;
> +
> + clocks {
> + sleep_clk: sleep-clk {
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + };
> +
> + xo_board: xo-board-clk {
> + compatible = "fixed-clock";
> + #clock-cells = <0>;
> + };
> + };
> +
> + cpus {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + CPU0: cpu@0 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a53";
> + reg = <0x0>;
> + enable-method = "psci";
> + next-level-cache = <&L2_0>;
> + };
> +
> + CPU1: cpu@1 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a53";
> + reg = <0x1>;
> + enable-method = "psci";
> + next-level-cache = <&L2_0>;
> + };
> +
> + CPU2: cpu@2 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a53";
> + reg = <0x2>;
> + enable-method = "psci";
> + next-level-cache = <&L2_0>;
> + };
> +
> + CPU3: cpu@3 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a53";
> + reg = <0x3>;
> + enable-method = "psci";
> + next-level-cache = <&L2_0>;
> + };
> +
> + L2_0: l2-cache {
> + compatible = "cache";
> + cache-level = <0x2>;
> + };
> + };
> +
> + firmware {
> + scm {
> + compatible = "qcom,scm-ipq5332", "qcom,scm";
> + };
> + };
> +
> + memory@...00000 {
> + device_type = "memory";
> + /* We expect the bootloader to fill in the size */
> + reg = <0x0 0x40000000 0x0 0x0>;
> + };
> +
> + pmu {
> + compatible = "arm,cortex-a53-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: memory@...00000 {
memory@ is discouraged, the node name should be somewhat
descriptive of what lies in this reserved region. On the
other hand, tz: sounds like a label to a trust zone device
of some kind. I propose:
tz_mem: tz@...00000 {
instead.
> + no-map;
> + reg = <0x0 0x4a600000 0x0 0x200000>;
> + };
> + };
> +
> + soc@0 {
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges = <0 0 0 0xffffffff>;
> + compatible = "simple-bus";
Move compatible first, please.
> +
> + tlmm: pinctrl@...0000 {
> + compatible = "qcom,ipq5332-tlmm";
> + reg = <0x01000000 0x300000>;
> + interrupts = <GIC_SPI 249 IRQ_TYPE_LEVEL_HIGH>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + gpio-ranges = <&tlmm 0 0 53>;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> +
> + serial_0_pins: serial0-state {
You may be interested in having a suspend state for this
one, so you may wish to rename this futureproofing-ly to
serial0-active-state.
> + pins = "gpio18", "gpio19";
> + function = "blsp0_uart0";
> + drive-strength = <8>;
> + bias-pull-up;
> + };
> + };
> +
> + gcc: clock-controller@...0000 {
> + compatible = "qcom,ipq5332-gcc";
> + reg = <0x01800000 0x80000>;
> + #clock-cells = <0x1>;
> + #reset-cells = <0x1>;
Decimal values for -cells, please.
> + #power-domain-cells = <1>;
> + clock-names = "xo",
> + "sleep_clk",
> + "pcie_2lane_phy_pipe_clk",
> + "pcie_2lane_phy_pipe_clk_x1",
> + "usb_pcie_wrapper_pipe_clk";
> + clocks = <&xo_board>,
> + <&sleep_clk>,
> + <0>,
> + <0>,
> + <0>;
> + };
> +
> + sdhc: mmc@...4000 {
> + compatible = "qcom,ipq5332-sdhci", "qcom,sdhci-msm-v5";
> + reg = <0x07804000 0x1000>, <0x07805000 0x1000>;
> +
> + interrupts = <GIC_SPI 313 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 316 IRQ_TYPE_LEVEL_HIGH>;
> + interrupt-names = "hc_irq", "pwr_irq";
> +
> + clocks = <&gcc GCC_SDCC1_AHB_CLK>,
> + <&gcc GCC_SDCC1_APPS_CLK>,
> + <&xo_board>;
> + clock-names = "iface", "core", "xo";
> + mmc-ddr-1_8v;
> + mmc-hs200-1_8v;
> + max-frequency = <192000000>;
As Krzysztof pointed out, this one should go.
> + bus-width = <4>;
Oh that's interesting.. a 4-wide bus for eMMC?
> + status = "disabled";
> + };
> +
> + blsp1_uart0: serial@...f000 {
> + compatible = "qcom,msm-uartdm-v1.4", "qcom,msm-uartdm";
> + reg = <0x078af000 0x200>;
> + interrupts = <GIC_SPI 290 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&gcc GCC_BLSP1_UART1_APPS_CLK>,
> + <&gcc GCC_BLSP1_AHB_CLK>;
> + clock-names = "core", "iface";
> + status = "disabled";
> + };
> +
> + intc: interrupt-controller@...0000 {
> + compatible = "qcom,msm-qgic2";
> + #address-cells = <1>;
> + #size-cells = <1>;
Please move these two above ranges..
> + interrupt-controller;
> + #interrupt-cells = <0x3>;
Decimal value, please.
> + reg = <0x0b000000 0x1000>, /* GICD */
> + <0x0b002000 0x1000>, /* GICC */
> + <0x0b001000 0x1000>, /* GICH */
> + <0x0b004000 0x1000>; /* GICV */
..and reg just below compatible...
> + interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
..and interrupts just below reg, please.
> + ranges = <0 0x0b00c000 0x3000>;
> +
> + v2m0: v2m@0 {
> + compatible = "arm,gic-v2m-frame";
> + reg = <0x0 0xffd>;
Please pad the reg for consistency.
> + msi-controller;
> + };
> +
> + v2m1: v2m@1 {
> + compatible = "arm,gic-v2m-frame";
> + reg = <0x00001000 0xffd>;
> + msi-controller;
> + };
> +
> + v2m2: v2m@2 {
> + compatible = "arm,gic-v2m-frame";
> + reg = <0x00002000 0xffd>;
> + msi-controller;
> + };
> + };
> +
> + timer@...0000 {
> + compatible = "arm,armv7-timer-mem";
> + reg = <0x0b120000 0x1000>;
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges;
> +
> + frame@...0000 {
> + frame-number = <0>;
> + interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
> + reg = <0x0b121000 0x1000>,
> + <0x0b122000 0x1000>;
reg
interrupts
frame-number
would be more consistent with most other nodes.
> + };
> +
> + frame@...3000 {
> + frame-number = <1>;
> + interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
> + reg = <0x0b123000 0x1000>;
> + status = "disabled";
> + };
> +
> + frame@...4000 {
> + frame-number = <2>;
> + interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
> + reg = <0x0b124000 0x1000>;
> + status = "disabled";
> + };
> +
> + frame@...5000 {
> + frame-number = <3>;
> + interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
> + reg = <0x0b125000 0x1000>;
> + status = "disabled";
> + };
> +
> + frame@...6000 {
> + frame-number = <4>;
> + interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
> + reg = <0x0b126000 0x1000>;
> + status = "disabled";
> + };
> +
> + frame@...7000 {
> + frame-number = <5>;
> + interrupts = <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>;
> + reg = <0x0b127000 0x1000>;
> + status = "disabled";
> + };
> +
> + frame@...8000 {
> + frame-number = <6>;
> + interrupts = <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>;
> + reg = <0x0b128000 0x1000>;
> + 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)>;
The indentation seems off here.
Konrad
> + };
> +};
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