Re: [PATCH v4 02/14] arm64: dts: sc7180: Add minimal dts/dtsi files for SC7180 soc

From: Stephen Boyd
Date: Thu Nov 07 2019 - 12:46:58 EST


Quoting Rajendra Nayak (2019-11-05 22:50:05)
> diff --git a/arch/arm64/boot/dts/qcom/sc7180.dtsi b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> new file mode 100644
> index 000000000000..17870dd67390
> --- /dev/null
> +++ b/arch/arm64/boot/dts/qcom/sc7180.dtsi
> @@ -0,0 +1,299 @@
> +// SPDX-License-Identifier: BSD-3-Clause
> +/*
> + * SC7180 SoC device tree source
> + *
> + * Copyright (c) 2019, The Linux Foundation. All rights reserved.
> + */
> +
> +#include <dt-bindings/clock/qcom,gcc-sc7180.h>
> +#include <dt-bindings/interrupt-controller/arm-gic.h>
> +
> +/ {
> + interrupt-parent = <&intc>;
> +
> + #address-cells = <2>;
> + #size-cells = <2>;
> +
> + chosen { };
> +
> + clocks {
> + xo_board: xo-board {
> + compatible = "fixed-clock";
> + clock-frequency = <38400000>;
> + #clock-cells = <0>;
> + };
> +
> + sleep_clk: sleep-clk {
> + compatible = "fixed-clock";
> + clock-frequency = <32764>;
> + clock-output-names = "sleep_clk";

Remove this one too?

> + #clock-cells = <0>;
> + };
> + };
> +
[...]
> + memory@80000000 {
> + device_type = "memory";
> + /* We expect the bootloader to fill in the size */
> + reg = <0 0x80000000 0 0>;
> + };
> +
> + pmu {
> + compatible = "arm,armv8-pmuv3";
> + interrupts = <GIC_PPI 5 IRQ_TYPE_LEVEL_HIGH>;
> + };
> +
> + psci {
> + compatible = "arm,psci-1.0";
> + method = "smc";
> + };
> +
> + soc: soc {
> + #address-cells = <2>;
> + #size-cells = <2>;
> + ranges = <0 0 0 0 0x10 0>;
> + dma-ranges = <0 0 0 0 0x10 0>;
> + compatible = "simple-bus";
> +
> + gcc: clock-controller@100000 {
> + compatible = "qcom,gcc-sc7180";
> + reg = <0 0x00100000 0 0x1f0000>;
> + #clock-cells = <1>;
> + #reset-cells = <1>;
> + #power-domain-cells = <1>;
> + };
> +
> + qupv3_id_1: geniqup@ac0000 {
> + compatible = "qcom,geni-se-qup";
> + reg = <0 0x00ac0000 0 0x6000>;
> + clock-names = "m-ahb", "s-ahb";
> + clocks = <&gcc GCC_QUPV3_WRAP_1_M_AHB_CLK>,
> + <&gcc GCC_QUPV3_WRAP_1_S_AHB_CLK>;
> + #address-cells = <2>;
> + #size-cells = <2>;
> + ranges;
> + status = "disabled";
> +
> + uart8: serial@a88000 {
> + compatible = "qcom,geni-debug-uart";
> + reg = <0 0x00a88000 0 0x4000>;
> + clock-names = "se";
> + clocks = <&gcc GCC_QUPV3_WRAP1_S2_CLK>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&qup_uart8_default>;
> + interrupts = <GIC_SPI 355 IRQ_TYPE_LEVEL_HIGH>;
> + status = "disabled";
> + };
> + };
> +
> + tlmm: pinctrl@3500000 {
> + compatible = "qcom,sc7180-pinctrl";
> + reg = <0 0x03500000 0 0x300000>,
> + <0 0x03900000 0 0x300000>,
> + <0 0x03d00000 0 0x300000>;
> + reg-names = "west", "north", "south";
> + interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + gpio-ranges = <&tlmm 0 0 120>;
> +
> + qup_uart8_default: qup-uart8-default {
> + pinmux {
> + pins = "gpio44", "gpio45";
> + function = "qup12";

That looks weird to have qup12 function on uart8. It's right?

> + };
> + };
> + };
> +