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Message-ID: <3ffaaaa0-4cd7-5609-e17e-0294f804fe44@microchip.com>
Date: Tue, 18 Jan 2022 11:14:03 +0000
From: <Conor.Dooley@...rochip.com>
To: <linus.walleij@...aro.org>, <bgolaszewski@...libre.com>,
<robh+dt@...nel.org>, <jassisinghbrar@...il.com>,
<paul.walmsley@...ive.com>, <palmer@...belt.com>,
<aou@...s.berkeley.edu>, <a.zummo@...ertech.it>,
<alexandre.belloni@...tlin.com>, <broonie@...nel.org>,
<gregkh@...uxfoundation.org>, <thierry.reding@...il.com>,
<u.kleine-koenig@...gutronix.de>, <lee.jones@...aro.org>,
<linux-gpio@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <linux-i2c@...r.kernel.org>,
<linux-pwm@...r.kernel.org>, <linux-riscv@...ts.infradead.org>,
<linux-crypto@...r.kernel.org>, <linux-rtc@...r.kernel.org>,
<linux-spi@...r.kernel.org>, <linux-usb@...r.kernel.org>
CC: <krzysztof.kozlowski@...onical.com>, <geert@...ux-m68k.org>,
<bin.meng@...driver.com>, <heiko@...ech.de>,
<Lewis.Hanly@...rochip.com>, <Daire.McNamara@...rochip.com>,
<Ivan.Griffin@...rochip.com>, <atishp@...osinc.com>
Subject: Re: [PATCH v4 11/14] riscv: dts: microchip: refactor icicle kit
device tree
On 17/01/2022 11:07, conor.dooley@...rochip.com wrote:
> From: Conor Dooley <conor.dooley@...rochip.com>
>
> Assorted minor changes to the MPFS/Icicle kit device tree:
>
> - rename serial to mmuart to match microchip documentation
> - move phy0 inside mac1 node to match phy configuration
> - add labels where missing (cpus, cache controller)
> - add missing address cells & interrupts to MACs
>
> Signed-off-by: Conor Dooley <conor.dooley@...rochip.com>
> ---
> .../microchip/microchip-mpfs-icicle-kit.dts | 37 ++---
> .../boot/dts/microchip/microchip-mpfs.dtsi | 65 +++++----
> arch/riscv/configs/icicle_kit_defconfig | 134
last time i checked this was not a device tree change.
what a mess i made of v3...
++++++++++++++++++
> 3 files changed, 186 insertions(+), 50 deletions(-)
> create mode 100644 arch/riscv/configs/icicle_kit_defconfig
>
> diff --git a/arch/riscv/boot/dts/microchip/microchip-mpfs-icicle-kit.dts b/arch/riscv/boot/dts/microchip/microchip-mpfs-icicle-kit.dts
> index ab803f71626a..c51bd7cf500f 100644
> --- a/arch/riscv/boot/dts/microchip/microchip-mpfs-icicle-kit.dts
> +++ b/arch/riscv/boot/dts/microchip/microchip-mpfs-icicle-kit.dts
> @@ -1,5 +1,5 @@
> // SPDX-License-Identifier: (GPL-2.0 OR MIT)
> -/* Copyright (c) 2020 Microchip Technology Inc */
> +/* Copyright (c) 2020-2021 Microchip Technology Inc */
>
> /dts-v1/;
>
> @@ -13,11 +13,11 @@ / {
> compatible = "microchip,mpfs-icicle-kit", "microchip,mpfs";
>
> aliases {
> - ethernet0 = &emac1;
> - serial0 = &serial0;
> - serial1 = &serial1;
> - serial2 = &serial2;
> - serial3 = &serial3;
> + ethernet0 = &mac1;
> + serial0 = &mmuart0;
> + serial1 = &mmuart1;
> + serial2 = &mmuart2;
> + serial3 = &mmuart3;
> };
>
> chosen {
> @@ -39,19 +39,19 @@ &refclk {
> clock-frequency = <600000000>;
> };
>
> -&serial0 {
> +&mmuart0 {
> status = "okay";
> };
>
> -&serial1 {
> +&mmuart1 {
> status = "okay";
> };
>
> -&serial2 {
> +&mmuart2 {
> status = "okay";
> };
>
> -&serial3 {
> +&mmuart3 {
> status = "okay";
> };
>
> @@ -61,7 +61,10 @@ &mmc {
> bus-width = <4>;
> disable-wp;
> cap-sd-highspeed;
> + cap-mmc-highspeed;
> card-detect-delay = <200>;
> + mmc-ddr-1_8v;
> + mmc-hs200-1_8v;
> sd-uhs-sdr12;
> sd-uhs-sdr25;
> sd-uhs-sdr50;
> @@ -72,22 +75,22 @@ &i2c2 {
> status = "okay";
> };
>
> -&emac0 {
> +&mac0 {
> phy-mode = "sgmii";
> phy-handle = <&phy0>;
> - phy0: ethernet-phy@8 {
> - reg = <8>;
> - ti,fifo-depth = <0x01>;
> - };
> };
>
> -&emac1 {
> +&mac1 {
> status = "okay";
> phy-mode = "sgmii";
> phy-handle = <&phy1>;
> phy1: ethernet-phy@9 {
> reg = <9>;
> - ti,fifo-depth = <0x01>;
> + ti,fifo-depth = <0x1>;
> + };
> + phy0: ethernet-phy@8 {
> + reg = <8>;
> + ti,fifo-depth = <0x1>;
> };
> };
>
> diff --git a/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi b/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi
> index c7d73756c9b8..62bd00092bcc 100644
> --- a/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi
> +++ b/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi
> @@ -1,5 +1,5 @@
> // SPDX-License-Identifier: (GPL-2.0 OR MIT)
> -/* Copyright (c) 2020 Microchip Technology Inc */
> +/* Copyright (c) 2020-2021 Microchip Technology Inc */
>
> /dts-v1/;
> #include "dt-bindings/clock/microchip,mpfs-clock.h"
> @@ -15,7 +15,7 @@ cpus {
> #address-cells = <1>;
> #size-cells = <0>;
>
> - cpu@0 {
> + cpu0: cpu@0 {
> compatible = "sifive,e51", "sifive,rocket0", "riscv";
> device_type = "cpu";
> i-cache-block-size = <64>;
> @@ -33,7 +33,7 @@ cpu0_intc: interrupt-controller {
> };
> };
>
> - cpu@1 {
> + cpu1: cpu@1 {
> compatible = "sifive,u54-mc", "sifive,rocket0", "riscv";
> d-cache-block-size = <64>;
> d-cache-sets = <64>;
> @@ -60,7 +60,7 @@ cpu1_intc: interrupt-controller {
> };
> };
>
> - cpu@2 {
> + cpu2: cpu@2 {
> compatible = "sifive,u54-mc", "sifive,rocket0", "riscv";
> d-cache-block-size = <64>;
> d-cache-sets = <64>;
> @@ -87,7 +87,7 @@ cpu2_intc: interrupt-controller {
> };
> };
>
> - cpu@3 {
> + cpu3: cpu@3 {
> compatible = "sifive,u54-mc", "sifive,rocket0", "riscv";
> d-cache-block-size = <64>;
> d-cache-sets = <64>;
> @@ -114,7 +114,7 @@ cpu3_intc: interrupt-controller {
> };
> };
>
> - cpu@4 {
> + cpu4: cpu@4 {
> compatible = "sifive,u54-mc", "sifive,rocket0", "riscv";
> d-cache-block-size = <64>;
> d-cache-sets = <64>;
> @@ -152,8 +152,9 @@ soc {
> compatible = "simple-bus";
> ranges;
>
> - cache-controller@...0000 {
> + cctrllr: cache-controller@...0000 {
> compatible = "sifive,fu540-c000-ccache", "cache";
> + reg = <0x0 0x2010000 0x0 0x1000>;
> cache-block-size = <64>;
> cache-level = <2>;
> cache-sets = <1024>;
> @@ -161,10 +162,9 @@ cache-controller@...0000 {
> cache-unified;
> interrupt-parent = <&plic>;
> interrupts = <1>, <2>, <3>;
> - reg = <0x0 0x2010000 0x0 0x1000>;
> };
>
> - clint@...0000 {
> + clint: clint@...0000 {
> compatible = "sifive,fu540-c000-clint", "sifive,clint0";
> reg = <0x0 0x2000000 0x0 0xC000>;
> interrupts-extended = <&cpu0_intc 3>, <&cpu0_intc 7>,
> @@ -174,6 +174,15 @@ clint@...0000 {
> <&cpu4_intc 3>, <&cpu4_intc 7>;
> };
>
> + dma@...0000 {
> + compatible = "sifive,fu540-c000-pdma";
> + reg = <0x0 0x3000000 0x0 0x8000>;
> + interrupt-parent = <&plic>;
> + interrupts = <23>, <24>, <25>, <26>, <27>, <28>, <29>,
> + <30>;
> + #dma-cells = <1>;
> + };
> +
> plic: interrupt-controller@...0000 {
> compatible = "sifive,fu540-c000-plic", "sifive,plic-1.0.0";
> reg = <0x0 0xc000000 0x0 0x4000000>;
> @@ -188,15 +197,6 @@ plic: interrupt-controller@...0000 {
> riscv,ndev = <186>;
> };
>
> - dma@...0000 {
> - compatible = "sifive,fu540-c000-pdma";
> - reg = <0x0 0x3000000 0x0 0x8000>;
> - interrupt-parent = <&plic>;
> - interrupts = <23>, <24>, <25>, <26>, <27>, <28>, <29>,
> - <30>;
> - #dma-cells = <1>;
> - };
> -
> clkcfg: clkcfg@...02000 {
> compatible = "microchip,mpfs-clkcfg";
> reg = <0x0 0x20002000 0x0 0x1000>;
> @@ -204,7 +204,7 @@ clkcfg: clkcfg@...02000 {
> #clock-cells = <1>;
> };
>
> - serial0: serial@...00000 {
> + mmuart0: serial@...00000 {
> compatible = "ns16550a";
> reg = <0x0 0x20000000 0x0 0x400>;
> reg-io-width = <4>;
> @@ -216,7 +216,7 @@ serial0: serial@...00000 {
> status = "disabled";
> };
>
> - serial1: serial@...00000 {
> + mmuart1: serial@...00000 {
> compatible = "ns16550a";
> reg = <0x0 0x20100000 0x0 0x400>;
> reg-io-width = <4>;
> @@ -228,7 +228,7 @@ serial1: serial@...00000 {
> status = "disabled";
> };
>
> - serial2: serial@...02000 {
> + mmuart2: serial@...02000 {
> compatible = "ns16550a";
> reg = <0x0 0x20102000 0x0 0x400>;
> reg-io-width = <4>;
> @@ -240,7 +240,7 @@ serial2: serial@...02000 {
> status = "disabled";
> };
>
> - serial3: serial@...04000 {
> + mmuart3: serial@...04000 {
> compatible = "ns16550a";
> reg = <0x0 0x20104000 0x0 0x400>;
> reg-io-width = <4>;
> @@ -257,37 +257,36 @@ mmc: mmc@...08000 {
> compatible = "microchip,mpfs-sd4hc", "cdns,sd4hc";
> reg = <0x0 0x20008000 0x0 0x1000>;
> interrupt-parent = <&plic>;
> - interrupts = <88>, <89>;
> + interrupts = <88>;
> clocks = <&clkcfg CLK_MMC>;
> max-frequency = <200000000>;
> status = "disabled";
> };
>
> - emac0: ethernet@...10000 {
> + mac0: ethernet@...10000 {
> compatible = "cdns,macb";
> reg = <0x0 0x20110000 0x0 0x2000>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> interrupt-parent = <&plic>;
> - interrupts = <64>, <65>, <66>, <67>;
> + interrupts = <64>, <65>, <66>, <67>, <68>, <69>;
> local-mac-address = [00 00 00 00 00 00];
> clocks = <&clkcfg CLK_MAC0>, <&clkcfg CLK_AHB>;
> clock-names = "pclk", "hclk";
> status = "disabled";
> - #address-cells = <1>;
> - #size-cells = <0>;
> };
>
> - emac1: ethernet@...12000 {
> + mac1: ethernet@...12000 {
> compatible = "cdns,macb";
> reg = <0x0 0x20112000 0x0 0x2000>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> interrupt-parent = <&plic>;
> - interrupts = <70>, <71>, <72>, <73>;
> + interrupts = <70>, <71>, <72>, <73>, <74>, <75>;
> local-mac-address = [00 00 00 00 00 00];
> clocks = <&clkcfg CLK_MAC1>, <&clkcfg CLK_AHB>;
> - status = "disabled";
> clock-names = "pclk", "hclk";
> - #address-cells = <1>;
> - #size-cells = <0>;
> + status = "disabled";
> };
> -
> };
> };
> diff --git a/arch/riscv/configs/icicle_kit_defconfig b/arch/riscv/configs/icicle_kit_defconfig
> new file mode 100644
> index 000000000000..f484130e723d
> --- /dev/null
> +++ b/arch/riscv/configs/icicle_kit_defconfig
> @@ -0,0 +1,134 @@
> +CONFIG_SYSVIPC=y
> +CONFIG_POSIX_MQUEUE=y
> +CONFIG_NO_HZ_IDLE=y
> +CONFIG_HIGH_RES_TIMERS=y
> +CONFIG_IKCONFIG=y
> +CONFIG_IKCONFIG_PROC=y
> +CONFIG_CGROUPS=y
> +CONFIG_CGROUP_SCHED=y
> +CONFIG_CFS_BANDWIDTH=y
> +CONFIG_CGROUP_BPF=y
> +CONFIG_NAMESPACES=y
> +CONFIG_USER_NS=y
> +CONFIG_BLK_DEV_INITRD=y
> +CONFIG_EXPERT=y
> +CONFIG_KALLSYMS_ALL=y
> +CONFIG_BPF_SYSCALL=y
> +CONFIG_SOC_MICROCHIP_POLARFIRE=y
> +CONFIG_SMP=y
> +CONFIG_CMDLINE="earlyprintk earlycon=sbi debug uio_pdrv_genirq.of_id=generic-uio"
> +CONFIG_JUMP_LABEL=y
> +CONFIG_MODULES=y
> +CONFIG_MODULE_UNLOAD=y
> +CONFIG_BLK_DEV_ZONED=y
> +CONFIG_PARTITION_ADVANCED=y
> +CONFIG_NET=y
> +CONFIG_PACKET=y
> +CONFIG_UNIX=y
> +CONFIG_INET=y
> +CONFIG_NETLINK_DIAG=y
> +CONFIG_PCI=y
> +CONFIG_PCI_DEBUG=y
> +CONFIG_PCI_HOST_GENERIC=y
> +CONFIG_PCIE_MICROCHIP_HOST=y
> +CONFIG_DEVTMPFS=y
> +CONFIG_DEVTMPFS_MOUNT=y
> +CONFIG_BLK_DEV_LOOP=y
> +CONFIG_BLK_DEV_NBD=y
> +CONFIG_BLK_DEV_NVME=y
> +CONFIG_BLK_DEV_SD=y
> +CONFIG_BLK_DEV_SR=y
> +CONFIG_ATA=y
> +CONFIG_NETDEVICES=y
> +CONFIG_MACB=y
> +CONFIG_R8169=y
> +CONFIG_INPUT_MOUSEDEV=y
> +CONFIG_INPUT_EVDEV=y
> +CONFIG_SERIAL_8250=y
> +CONFIG_SERIAL_8250_CONSOLE=y
> +CONFIG_SERIAL_OF_PLATFORM=y
> +CONFIG_SERIAL_EARLYCON_RISCV_SBI=y
> +CONFIG_HW_RANDOM=y
> +CONFIG_HW_RANDOM_POLARFIRE_SOC=y
> +CONFIG_I2C_CHARDEV=y
> +CONFIG_I2C_MICROCHIP=y
> +CONFIG_SPI=y
> +CONFIG_SPI_POLARFIRE_SOC=y
> +CONFIG_SPI_POLARFIRE_SOC_QSPI=y
> +CONFIG_SPI_SPIDEV=y
> +CONFIG_GPIOLIB=y
> +CONFIG_GPIO_SYSFS=y
> +CONFIG_GPIO_POLARFIRE_SOC=y
> +CONFIG_POWER_RESET=y
> +CONFIG_MEDIA_SUPPORT=y
> +CONFIG_MEDIA_USB_SUPPORT=y
> +CONFIG_USB_VIDEO_CLASS=y
> +CONFIG_V4L_PLATFORM_DRIVERS=y
> +CONFIG_DRM=y
> +CONFIG_DRM_RADEON=y
> +CONFIG_DRM_NOUVEAU=y
> +CONFIG_FRAMEBUFFER_CONSOLE=y
> +CONFIG_USB=y
> +CONFIG_USB_XHCI_HCD=y
> +CONFIG_USB_XHCI_PLATFORM=y
> +CONFIG_USB_EHCI_HCD=y
> +CONFIG_USB_EHCI_HCD_PLATFORM=y
> +CONFIG_USB_OHCI_HCD=y
> +CONFIG_USB_OHCI_HCD_PLATFORM=y
> +CONFIG_USB_ACM=y
> +CONFIG_USB_STORAGE=y
> +CONFIG_USB_MUSB_HDRC=y
> +CONFIG_USB_MUSB_POLARFIRE_SOC=y
> +CONFIG_USB_INVENTRA_DMA=y
> +CONFIG_USB_SERIAL=y
> +CONFIG_NOP_USB_XCEIV=y
> +CONFIG_MMC=y
> +CONFIG_MMC_SDHCI=y
> +CONFIG_MMC_SDHCI_PLTFM=y
> +CONFIG_MMC_SDHCI_CADENCE=y
> +CONFIG_MMC_SPI=y
> +CONFIG_RTC_CLASS=y
> +CONFIG_RTC_DRV_POLARFIRE_SOC=y
> +CONFIG_DMADEVICES=y
> +CONFIG_SF_PDMA=y
> +CONFIG_UIO=y
> +CONFIG_UIO_PDRV_GENIRQ=y
> +CONFIG_UIO_DMEM_GENIRQ=y
> +CONFIG_UIO_MICROCHIP_CAN=y
> +CONFIG_UIO_MICROCHIP_PDMA=y
> +CONFIG_UIO_MICROCHIP_DMA=y
> +CONFIG_MAILBOX=y
> +CONFIG_POLARFIRE_SOC_MAILBOX=y
> +CONFIG_POLARFIRE_SOC_SYS_CTRL=y
> +CONFIG_POLARFIRE_SOC_GENERIC_SERVICE=y
> +CONFIG_IIO=y
> +CONFIG_IIO_SW_DEVICE=y
> +CONFIG_IIO_SW_TRIGGER=y
> +CONFIG_PAC193X=y
> +CONFIG_PWM=y
> +CONFIG_PWM_MICROCHIP_CORE=y
> +CONFIG_EXT4_FS=y
> +CONFIG_EXT4_FS_POSIX_ACL=y
> +CONFIG_FANOTIFY=y
> +CONFIG_MSDOS_FS=y
> +CONFIG_VFAT_FS=y
> +CONFIG_FAT_DEFAULT_IOCHARSET="ascii"
> +CONFIG_EXFAT_FS=y
> +CONFIG_TMPFS=y
> +CONFIG_TMPFS_POSIX_ACL=y
> +CONFIG_NFS_FS=y
> +CONFIG_NFS_V4=y
> +CONFIG_NFS_V4_1=y
> +CONFIG_NFS_V4_2=y
> +CONFIG_NLS_CODEPAGE_437=y
> +CONFIG_NLS_CODEPAGE_850=y
> +CONFIG_NLS_ASCII=y
> +CONFIG_NLS_ISO8859_1=y
> +CONFIG_NLS_UTF8=y
> +CONFIG_PRINTK_TIME=y
> +CONFIG_SCHED_STACK_END_CHECK=y
> +CONFIG_SOFTLOCKUP_DETECTOR=y
> +CONFIG_WQ_WATCHDOG=y
> +CONFIG_SCHEDSTATS=y
> +CONFIG_DEBUG_SPINLOCK=y
> +CONFIG_STACKTRACE=y
>
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