Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752681AbeAESZk (ORCPT + 1 other); Fri, 5 Jan 2018 13:25:40 -0500 Received: from outils.crapouillou.net ([89.234.176.41]:57090 "EHLO crapouillou.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752633AbeAESZi (ORCPT ); Fri, 5 Jan 2018 13:25:38 -0500 From: Paul Cercueil To: Ralf Baechle Cc: Maarten ter Huurne , Paul Burton , linux-kernel@vger.kernel.org, linux-mips@linux-mips.org, Paul Cercueil Subject: [PATCH v6 11/15] MIPS: ingenic: Initial JZ4770 support Date: Fri, 5 Jan 2018 19:25:09 +0100 Message-Id: <20180105182513.16248-12-paul@crapouillou.net> In-Reply-To: <20180105182513.16248-1-paul@crapouillou.net> References: <20180102150848.11314-1-paul@crapouillou.net> <20180105182513.16248-1-paul@crapouillou.net> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Return-Path: Provide just enough bits (clocks, clocksource, uart) to allow a kernel to boot on the JZ4770 SoC to a initramfs userspace. Signed-off-by: Paul Cercueil Reviewed-by: PrasannaKumar Muralidharan --- arch/mips/boot/dts/ingenic/jz4770.dtsi | 212 +++++++++++++++++++++++++++++++++ arch/mips/jz4740/Kconfig | 6 + arch/mips/jz4740/time.c | 2 +- 3 files changed, 219 insertions(+), 1 deletion(-) create mode 100644 arch/mips/boot/dts/ingenic/jz4770.dtsi v2: No change v3: No change v4: No change v5: Use SPDX license identifier v6: No change diff --git a/arch/mips/boot/dts/ingenic/jz4770.dtsi b/arch/mips/boot/dts/ingenic/jz4770.dtsi new file mode 100644 index 000000000000..7c2804f3f5f1 --- /dev/null +++ b/arch/mips/boot/dts/ingenic/jz4770.dtsi @@ -0,0 +1,212 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include + +/ { + #address-cells = <1>; + #size-cells = <1>; + compatible = "ingenic,jz4770"; + + cpuintc: interrupt-controller { + #address-cells = <0>; + #interrupt-cells = <1>; + interrupt-controller; + compatible = "mti,cpu-interrupt-controller"; + }; + + intc: interrupt-controller@10001000 { + compatible = "ingenic,jz4770-intc"; + reg = <0x10001000 0x40>; + + interrupt-controller; + #interrupt-cells = <1>; + + interrupt-parent = <&cpuintc>; + interrupts = <2>; + }; + + ext: ext { + compatible = "fixed-clock"; + #clock-cells = <0>; + }; + + osc32k: osc32k { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <32768>; + }; + + cgu: jz4770-cgu@10000000 { + compatible = "ingenic,jz4770-cgu"; + reg = <0x10000000 0x100>; + + clocks = <&ext>, <&osc32k>; + clock-names = "ext", "osc32k"; + + #clock-cells = <1>; + }; + + pinctrl: pin-controller@10010000 { + compatible = "ingenic,jz4770-pinctrl"; + reg = <0x10010000 0x600>; + + #address-cells = <1>; + #size-cells = <0>; + + gpa: gpio@0 { + compatible = "ingenic,jz4770-gpio"; + reg = <0>; + + gpio-controller; + gpio-ranges = <&pinctrl 0 0 32>; + #gpio-cells = <2>; + + interrupt-controller; + #interrupt-cells = <2>; + + interrupt-parent = <&intc>; + interrupts = <17>; + }; + + gpb: gpio@1 { + compatible = "ingenic,jz4770-gpio"; + reg = <1>; + + gpio-controller; + gpio-ranges = <&pinctrl 0 32 32>; + #gpio-cells = <2>; + + interrupt-controller; + #interrupt-cells = <2>; + + interrupt-parent = <&intc>; + interrupts = <16>; + }; + + gpc: gpio@2 { + compatible = "ingenic,jz4770-gpio"; + reg = <2>; + + gpio-controller; + gpio-ranges = <&pinctrl 0 64 32>; + #gpio-cells = <2>; + + interrupt-controller; + #interrupt-cells = <2>; + + interrupt-parent = <&intc>; + interrupts = <15>; + }; + + gpd: gpio@3 { + compatible = "ingenic,jz4770-gpio"; + reg = <3>; + + gpio-controller; + gpio-ranges = <&pinctrl 0 96 32>; + #gpio-cells = <2>; + + interrupt-controller; + #interrupt-cells = <2>; + + interrupt-parent = <&intc>; + interrupts = <14>; + }; + + gpe: gpio@4 { + compatible = "ingenic,jz4770-gpio"; + reg = <4>; + + gpio-controller; + gpio-ranges = <&pinctrl 0 128 32>; + #gpio-cells = <2>; + + interrupt-controller; + #interrupt-cells = <2>; + + interrupt-parent = <&intc>; + interrupts = <13>; + }; + + gpf: gpio@5 { + compatible = "ingenic,jz4770-gpio"; + reg = <5>; + + gpio-controller; + gpio-ranges = <&pinctrl 0 160 32>; + #gpio-cells = <2>; + + interrupt-controller; + #interrupt-cells = <2>; + + interrupt-parent = <&intc>; + interrupts = <12>; + }; + }; + + uart0: serial@10030000 { + compatible = "ingenic,jz4770-uart"; + reg = <0x10030000 0x100>; + + clocks = <&ext>, <&cgu JZ4770_CLK_UART0>; + clock-names = "baud", "module"; + + interrupt-parent = <&intc>; + interrupts = <5>; + + status = "disabled"; + }; + + uart1: serial@10031000 { + compatible = "ingenic,jz4770-uart"; + reg = <0x10031000 0x100>; + + clocks = <&ext>, <&cgu JZ4770_CLK_UART1>; + clock-names = "baud", "module"; + + interrupt-parent = <&intc>; + interrupts = <4>; + + status = "disabled"; + }; + + uart2: serial@10032000 { + compatible = "ingenic,jz4770-uart"; + reg = <0x10032000 0x100>; + + clocks = <&ext>, <&cgu JZ4770_CLK_UART2>; + clock-names = "baud", "module"; + + interrupt-parent = <&intc>; + interrupts = <3>; + + status = "disabled"; + }; + + uart3: serial@10033000 { + compatible = "ingenic,jz4770-uart"; + reg = <0x10033000 0x100>; + + clocks = <&ext>, <&cgu JZ4770_CLK_UART3>; + clock-names = "baud", "module"; + + interrupt-parent = <&intc>; + interrupts = <2>; + + status = "disabled"; + }; + + uhc: uhc@13430000 { + compatible = "generic-ohci"; + reg = <0x13430000 0x1000>; + + clocks = <&cgu JZ4770_CLK_UHC>, <&cgu JZ4770_CLK_UHC_PHY>; + assigned-clocks = <&cgu JZ4770_CLK_UHC>; + assigned-clock-rates = <48000000>; + + interrupt-parent = <&intc>; + interrupts = <20>; + + status = "disabled"; + }; +}; diff --git a/arch/mips/jz4740/Kconfig b/arch/mips/jz4740/Kconfig index 643af2012e14..29a9361a2b77 100644 --- a/arch/mips/jz4740/Kconfig +++ b/arch/mips/jz4740/Kconfig @@ -18,6 +18,12 @@ config MACH_JZ4740 bool select SYS_HAS_CPU_MIPS32_R1 +config MACH_JZ4770 + bool + select MIPS_CPU_SCACHE + select SYS_HAS_CPU_MIPS32_R2 + select SYS_SUPPORTS_HIGHMEM + config MACH_JZ4780 bool select MIPS_CPU_SCACHE diff --git a/arch/mips/jz4740/time.c b/arch/mips/jz4740/time.c index bb1ad5119da4..2ca9160f642a 100644 --- a/arch/mips/jz4740/time.c +++ b/arch/mips/jz4740/time.c @@ -113,7 +113,7 @@ static struct clock_event_device jz4740_clockevent = { #ifdef CONFIG_MACH_JZ4740 .irq = JZ4740_IRQ_TCU0, #endif -#ifdef CONFIG_MACH_JZ4780 +#if defined(CONFIG_MACH_JZ4770) || defined(CONFIG_MACH_JZ4780) .irq = JZ4780_IRQ_TCU2, #endif }; -- 2.11.0