On Wed, 28 Oct 2020 19:49:52 +0800 Du Huanpeng <[email protected]> wrote:
> add "pll" and "oscillator" node to devicetree. > > Signed-off-by: Du Huanpeng <[email protected]> ... > diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig > index 7a8f010..0aceed3 100644 > --- a/arch/mips/Kconfig > +++ b/arch/mips/Kconfig > @@ -118,6 +118,15 @@ config MACH_MIPS_BCM47XX > > config MACH_MIPS_LOONGSON > bool "Loongson-based boards" > + select SYS_HAS_CPU_MIPS32_R2 > + select SYS_SUPPORTS_32BIT_KERNEL > + select CSRC_R4K_LIB > + select HAS_DEBUG_LL > + select COMMON_CLK > + select COMMON_CLK_OF_PROVIDER > + select CLKDEV_LOOKUP > + select OFTREE > + select GPIOLIB I suppose that arch/mips/ changes should go to a separate patch. E.g.: * PATCH 001: clk: ls1b200: add clk driver for loongson 1b * PATCH 002: MIPS: ls1b200: use clk driver > > config MACH_MIPS_XBURST > bool "Ingenic XBurst-based boards" > diff --git a/arch/mips/dts/loongson-ls1b.dts b/arch/mips/dts/loongson-ls1b.dts > index 6b53311..89cce56 100644 > --- a/arch/mips/dts/loongson-ls1b.dts > +++ b/arch/mips/dts/loongson-ls1b.dts > @@ -6,6 +6,12 @@ > model = "Loongson Tech LS1B Demo Board"; > compatible = "loongson,ls1b"; > > + oscillator: oscillator { > + #clock-cells = <0>; > + compatible = "fixed-clock"; > + clock-frequency = <33000000>; > + }; > + > memory@0 { > device_type = "memory"; > reg = <0x00000000 0x4000000>; > diff --git a/arch/mips/dts/ls1b.dtsi b/arch/mips/dts/ls1b.dtsi > index cb85814..8b772af 100644 > --- a/arch/mips/dts/ls1b.dtsi > +++ b/arch/mips/dts/ls1b.dtsi > @@ -1,3 +1,5 @@ > +#include <dt-bindings/clock/ls1b-clk.h> > + > / { > #address-cells = <1>; > #size-cells = <1>; > @@ -40,5 +42,12 @@ > clock-frequency = <83000000>; > status = "disabled"; > }; > + > + pll: pll@1fe78030 { > + compatible = "loongson,ls1b-pll"; > + #clock-cells = <1>; > + reg = <0x1fe78030 0x8>; > + clocks = <&oscillator>; > + }; > }; > }; > diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile > index 0903274..04c797e 100644 > --- a/drivers/clk/Makefile > +++ b/drivers/clk/Makefile > @@ -19,4 +19,5 @@ obj-$(CONFIG_ARCH_IMX) += imx/ > obj-$(CONFIG_COMMON_CLK_AT91) += at91/ > obj-$(CONFIG_ARCH_STM32MP) += clk-stm32mp1.o > obj-$(CONFIG_MACH_VEXPRESS) += vexpress/ > +obj-$(CONFIG_MACH_MIPS_LOONGSON)+= loongson/ > obj-$(CONFIG_ARCH_LAYERSCAPE) += clk-qoric.o > diff --git a/drivers/clk/loongson/Makefile b/drivers/clk/loongson/Makefile > new file mode 100644 > index 0000000..dd76b25 > --- /dev/null > +++ b/drivers/clk/loongson/Makefile > @@ -0,0 +1,2 @@ > +obj-$(CONFIG_BOARD_LOONGSON_TECH_LS1B) += clk-ls1b200.o > + > diff --git a/drivers/clk/loongson/clk-ls1b200.c > b/drivers/clk/loongson/clk-ls1b200.c > new file mode 100644 > index 0000000..f5fabd4 > --- /dev/null > +++ b/drivers/clk/loongson/clk-ls1b200.c > @@ -0,0 +1,154 @@ > +// SPDX-License-Identifier: GPL-2.0-only > +/* > + * Copyright (C) 2014 Antony Pavlov <[email protected]> > + * Copyright (C) 2020 Du Huanpeng <[email protected]> > + * > + * Based on the Linux ath79 clock code Thanks for mentioning me, but I have not contributed to clk-ls1b200.c :) Could you please remove my copyright and just write "Based on the ath79 clock code by Antony Pavlov...". -- Best regards, Antony Pavlov _______________________________________________ barebox mailing list [email protected] http://lists.infradead.org/mailman/listinfo/barebox
