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Date: Tue, 30 Aug 2022 12:56:13 +0300
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Vignesh Raghavendra <vigneshr@...com>, Nishanth Menon <nm@...com>,
Tero Kristo <kristo@...nel.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Linus Walleij <linus.walleij@...aro.org>
Cc: linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org,
Bryan Brattlof <bb@...com>
Subject: Re: [PATCH 3/4] arm64: dts: ti: Introduce AM62A7 family of SoCs
On 29/08/2022 11:21, Vignesh Raghavendra wrote:
(...)
> + /*
> + * vcpumntirq:
> + * virtual CPU interface maintenance interrupt
> + */
> + interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
> +
> + gic_its: msi-controller@...0000 {
> + compatible = "arm,gic-v3-its";
> + reg = <0x00 0x01820000 0x00 0x10000>;
> + socionext,synquacer-pre-its = <0x1000000 0x400000>;
> + msi-controller;
> + #msi-cells = <1>;
> + };
> + };
> +
> + main_conf: syscon@...000 {
> + compatible = "syscon", "simple-mfd";
No, these are not allowed alone.
> + reg = <0x00 0x00100000 0x00 0x20000>;
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges = <0x00 0x00 0x00100000 0x20000>;
> + };
> +
> + dmss: bus@...00000 {
> + compatible = "simple-mfd";
No. Not allowed alone.
> + #address-cells = <2>;
> + #size-cells = <2>;
> + dma-ranges;
> + ranges = <0x00 0x48000000 0x00 0x48000000 0x00 0x06000000>;
> +
> + ti,sci-dev-id = <25>;
> +
> + secure_proxy_main: mailbox@...00000 {
> + compatible = "ti,am654-secure-proxy";
> + #mbox-cells = <1>;
> + reg-names = "target_data", "rt", "scfg";
> + reg = <0x00 0x4d000000 0x00 0x80000>,
> + <0x00 0x4a600000 0x00 0x80000>,
> + <0x00 0x4a400000 0x00 0x80000>;
> + interrupt-names = "rx_012";
> + interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>;
> + };
> + };
> +
> + dmsc: system-controller@...43000 {
> + compatible = "ti,k2g-sci";
> + ti,host-id = <12>;
> + mbox-names = "rx", "tx";
> + mboxes= <&secure_proxy_main 12>,
> + <&secure_proxy_main 13>;
> + reg-names = "debug_messages";
> + reg = <0x00 0x44043000 0x00 0xfe0>;
First compatible, then reg, then the reset of properties. This applies
everywhere.
> +
> + k3_pds: power-controller {
> + compatible = "ti,sci-pm-domain";
> + #power-domain-cells = <2>;
> + };
> +
> + k3_clks: clock-controller {
> + compatible = "ti,k2g-sci-clk";
> + #clock-cells = <2>;
> + };
> +
> + k3_reset: reset-controller {
> + compatible = "ti,sci-reset";
> + #reset-cells = <2>;
> + };
> + };
> +
> + main_pmx0: pinctrl@...00 {
> + compatible = "pinctrl-single";
> + reg = <0x00 0xf4000 0x00 0x2ac>;
> + #pinctrl-cells = <1>;
> + pinctrl-single,register-width = <32>;
> + pinctrl-single,function-mask = <0xffffffff>;
> + };
> +
> + main_uart0: serial@...0000 {
> + compatible = "ti,am64-uart", "ti,am654-uart";
> + reg = <0x00 0x02800000 0x00 0x100>;
> + interrupts = <GIC_SPI 178 IRQ_TYPE_LEVEL_HIGH>;
> + power-domains = <&k3_pds 146 TI_SCI_PD_EXCLUSIVE>;
> + clocks = <&k3_clks 146 0>;
> + clock-names = "fclk";
> + status = "disabled";
> + };
> +
> + main_uart1: serial@...0000 {
> + compatible = "ti,am64-uart", "ti,am654-uart";
> + reg = <0x00 0x02810000 0x00 0x100>;
> + interrupts = <GIC_SPI 179 IRQ_TYPE_LEVEL_HIGH>;
> + power-domains = <&k3_pds 152 TI_SCI_PD_EXCLUSIVE>;
> + clocks = <&k3_clks 152 0>;
> + clock-names = "fclk";
> + status = "disabled";
> + };
> +
> + main_uart2: serial@...0000 {
> + compatible = "ti,am64-uart", "ti,am654-uart";
> + reg = <0x00 0x02820000 0x00 0x100>;
> + interrupts = <GIC_SPI 180 IRQ_TYPE_LEVEL_HIGH>;
> + power-domains = <&k3_pds 153 TI_SCI_PD_EXCLUSIVE>;
> + clocks = <&k3_clks 153 0>;
> + clock-names = "fclk";
> + status = "disabled";
> + };
> +
> + main_uart3: serial@...0000 {
> + compatible = "ti,am64-uart", "ti,am654-uart";
> + reg = <0x00 0x02830000 0x00 0x100>;
> + interrupts = <GIC_SPI 181 IRQ_TYPE_LEVEL_HIGH>;
> + power-domains = <&k3_pds 154 TI_SCI_PD_EXCLUSIVE>;
> + clocks = <&k3_clks 154 0>;
> + clock-names = "fclk";
> + status = "disabled";
> + };
> +
> + main_uart4: serial@...0000 {
> + compatible = "ti,am64-uart", "ti,am654-uart";
> + reg = <0x00 0x02840000 0x00 0x100>;
> + interrupts = <GIC_SPI 182 IRQ_TYPE_LEVEL_HIGH>;
> + power-domains = <&k3_pds 155 TI_SCI_PD_EXCLUSIVE>;
> + clocks = <&k3_clks 155 0>;
> + clock-names = "fclk";
> + status = "disabled";
> + };
> +
> + main_uart5: serial@...0000 {
> + compatible = "ti,am64-uart", "ti,am654-uart";
> + reg = <0x00 0x02850000 0x00 0x100>;
> + interrupts = <GIC_SPI 183 IRQ_TYPE_LEVEL_HIGH>;
> + power-domains = <&k3_pds 156 TI_SCI_PD_EXCLUSIVE>;
> + clocks = <&k3_clks 156 0>;
> + clock-names = "fclk";
> + status = "disabled";
> + };
> +
> + main_uart6: serial@...0000 {
> + compatible = "ti,am64-uart", "ti,am654-uart";
> + reg = <0x00 0x02860000 0x00 0x100>;
> + interrupts = <GIC_SPI 184 IRQ_TYPE_LEVEL_HIGH>;
> + power-domains = <&k3_pds 158 TI_SCI_PD_EXCLUSIVE>;
> + clocks = <&k3_clks 158 0>;
> + clock-names = "fclk";
> + status = "disabled";
> + };
> +
> + main_i2c0: i2c@...00000 {
> + compatible = "ti,am64-i2c", "ti,omap4-i2c";
> + reg = <0x00 0x20000000 0x00 0x100>;
> + interrupts = <GIC_SPI 161 IRQ_TYPE_LEVEL_HIGH>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + power-domains = <&k3_pds 102 TI_SCI_PD_EXCLUSIVE>;
> + clocks = <&k3_clks 102 2>;
> + clock-names = "fck";
> + status = "disabled";
> + };
> +
> + main_i2c1: i2c@...10000 {
> + compatible = "ti,am64-i2c", "ti,omap4-i2c";
> + reg = <0x00 0x20010000 0x00 0x100>;
> + interrupts = <GIC_SPI 162 IRQ_TYPE_LEVEL_HIGH>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + power-domains = <&k3_pds 103 TI_SCI_PD_EXCLUSIVE>;
> + clocks = <&k3_clks 103 2>;
> + clock-names = "fck";
> + status = "disabled";
> + };
> +
> + main_i2c2: i2c@...20000 {
> + compatible = "ti,am64-i2c", "ti,omap4-i2c";
> + reg = <0x00 0x20020000 0x00 0x100>;
> + interrupts = <GIC_SPI 163 IRQ_TYPE_LEVEL_HIGH>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + power-domains = <&k3_pds 104 TI_SCI_PD_EXCLUSIVE>;
> + clocks = <&k3_clks 104 2>;
> + clock-names = "fck";
> + status = "disabled";
> + };
> +
> + main_i2c3: i2c@...30000 {
> + compatible = "ti,am64-i2c", "ti,omap4-i2c";
> + reg = <0x00 0x20030000 0x00 0x100>;
> + interrupts = <GIC_SPI 164 IRQ_TYPE_LEVEL_HIGH>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + power-domains = <&k3_pds 105 TI_SCI_PD_EXCLUSIVE>;
> + clocks = <&k3_clks 105 2>;
> + clock-names = "fck";
> + status = "disabled";
> + };
> +
> + main_gpio_intr: interrupt-controller@...000 {
> + compatible = "ti,sci-intr";
> + reg = <0x00 0x00a00000 0x00 0x800>;
> + ti,intr-trigger-type = <1>;
> + interrupt-controller;
> + interrupt-parent = <&gic500>;
> + #interrupt-cells = <1>;
> + ti,sci = <&dmsc>;
> + ti,sci-dev-id = <3>;
> + ti,interrupt-ranges = <0 32 16>;
> + status = "disabled";
> + };
> +
> + main_gpio0: gpio@...000 {
> + compatible = "ti,am64-gpio", "ti,keystone-gpio";
> + reg = <0x00 0x00600000 0x0 0x100>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + interrupt-parent = <&main_gpio_intr>;
> + interrupts = <190>, <191>, <192>,
> + <193>, <194>, <195>;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + ti,ngpio = <87>;
> + ti,davinci-gpio-unbanked = <0>;
> + power-domains = <&k3_pds 77 TI_SCI_PD_EXCLUSIVE>;
> + clocks = <&k3_clks 77 0>;
> + clock-names = "gpio";
> + status = "disabled";
> + };
> +
> + main_gpio1: gpio@...000 {
> + compatible = "ti,am64-gpio", "ti,keystone-gpio";
> + reg = <0x00 0x00601000 0x0 0x100>;
> + gpio-controller;
> + #gpio-cells = <2>;
> + interrupt-parent = <&main_gpio_intr>;
> + interrupts = <180>, <181>, <182>,
> + <183>, <184>, <185>;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + ti,ngpio = <88>;
> + ti,davinci-gpio-unbanked = <0>;
> + power-domains = <&k3_pds 78 TI_SCI_PD_EXCLUSIVE>;
> + clocks = <&k3_clks 78 0>;
> + clock-names = "gpio";
> + status = "disabled";
> + };
> +
> + sdhci1: mmc@...0000 {
> + compatible = "ti,am62-sdhci";
> + reg = <0x00 0xfa00000 0x00 0x260>, <0x00 0xfa08000 0x00 0x134>;
> + interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>;
> + power-domains = <&k3_pds 58 TI_SCI_PD_EXCLUSIVE>;
> + clocks = <&k3_clks 58 5>, <&k3_clks 58 6>;
> + clock-names = "clk_ahb", "clk_xin";
> + ti,trm-icp = <0x2>;
> + ti,otap-del-sel-legacy = <0x0>;
> + ti,otap-del-sel-sd-hs = <0x0>;
> + ti,otap-del-sel-sdr12 = <0xf>;
> + ti,otap-del-sel-sdr25 = <0xf>;
> + ti,otap-del-sel-sdr50 = <0xc>;
> + ti,otap-del-sel-sdr104 = <0x6>;
> + ti,otap-del-sel-ddr50 = <0x9>;
> + ti,itap-del-sel-legacy = <0x0>;
> + ti,itap-del-sel-sd-hs = <0x0>;
> + ti,itap-del-sel-sdr12 = <0x0>;
> + ti,itap-del-sel-sdr25 = <0x0>;
> + ti,clkbuf-sel = <0x7>;
> + bus-width = <4>;
> + no-1-8-v;
> + status = "disabled";
> + };
> +};
> diff --git a/arch/arm64/boot/dts/ti/k3-am62a-mcu.dtsi b/arch/arm64/boot/dts/ti/k3-am62a-mcu.dtsi
> new file mode 100644
> index 000000000000..6d1e501b94ab
> --- /dev/null
> +++ b/arch/arm64/boot/dts/ti/k3-am62a-mcu.dtsi
> @@ -0,0 +1,39 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Device Tree Source for AM625 SoC Family MCU Domain peripherals
> + *
> + * Copyright (C) 2020-2022 Texas Instruments Incorporated - https://www.ti.com/
> + */
> +
> +&cbass_mcu {
> + mcu_pmx0: pinctrl@...4000 {
> + compatible = "pinctrl-single";
> + reg = <0x00 0x04084000 0x00 0x88>;
> + #pinctrl-cells = <1>;
> + pinctrl-single,register-width = <32>;
> + pinctrl-single,function-mask = <0xffffffff>;
> + status = "disabled";
> + };
> +
> + mcu_uart0: serial@...0000 {
> + compatible = "ti,am64-uart", "ti,am654-uart";
> + reg = <0x00 0x04a00000 0x00 0x100>;
> + interrupts = <GIC_SPI 185 IRQ_TYPE_LEVEL_HIGH>;
> + power-domains = <&k3_pds 149 TI_SCI_PD_EXCLUSIVE>;
> + clocks = <&k3_clks 149 0>;
> + clock-names = "fclk";
> + status = "disabled";
> + };
> +
> + mcu_i2c0: i2c@...0000 {
> + compatible = "ti,am64-i2c", "ti,omap4-i2c";
> + reg = <0x00 0x04900000 0x00 0x100>;
> + interrupts = <GIC_SPI 107 IRQ_TYPE_LEVEL_HIGH>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + power-domains = <&k3_pds 106 TI_SCI_PD_EXCLUSIVE>;
> + clocks = <&k3_clks 106 2>;
> + clock-names = "fck";
> + status = "disabled";
> + };
> +};
> diff --git a/arch/arm64/boot/dts/ti/k3-am62a-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-am62a-wakeup.dtsi
> new file mode 100644
> index 000000000000..fe6d682a0f33
> --- /dev/null
> +++ b/arch/arm64/boot/dts/ti/k3-am62a-wakeup.dtsi
> @@ -0,0 +1,54 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Device Tree Source for AM62A SoC Family Wakeup Domain peripherals
> + *
> + * Copyright (C) 2022 Texas Instruments Incorporated - https://www.ti.com/
> + */
> +
> +&cbass_wakeup {
> + wkup_conf: syscon@...00000 {
> + compatible = "syscon", "simple-mfd";
No. Not allowed alone.
> + reg = <0x00 0x43000000 0x00 0x20000>;
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges = <0x00 0x00 0x43000000 0x20000>;
> +
> + chipid: chipid@14 {
> + compatible = "ti,am654-chipid";
> + reg = <0x14 0x4>;
> + };
> + };
> +
Best regards,
Krzysztof
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