Message ID | 1384255459-15134-1-git-send-email-denis@eukrea.com |
---|---|
State | Superseded, archived |
Headers | show |
On Tue, Nov 12, 2013 at 12:24:17PM +0100, Denis Carikli wrote: > --- /dev/null > +++ b/arch/arm/boot/dts/imx35.dtsi > @@ -0,0 +1,312 @@ > +/* > + * Copyright 2012 Steffen Trumtrar, Pengutronix > + * > + * based on imx27.dtsi > + * > + * This program is free software; you can redistribute it and/or modify it under > + * the terms of the GNU General Public License version 2 as published by the > + * Free Software Foundation. > + */ > + > +#include "skeleton.dtsi" > +#include "imx35-pinfunc.h" > +#include "imx35-pingrp.h" > + > +/ { > + aliases { > + gpio0 = &gpio1; > + gpio1 = &gpio2; > + gpio2 = &gpio3; > + serial0 = &uart1; > + serial1 = &uart2; > + serial2 = &uart3; > + }; > + > + avic: avic-interrupt-controller@68000000 { > + compatible = "fsl,imx35-avic", "fsl,avic"; > + interrupt-controller; > + #interrupt-cells = <1>; > + reg = <0x68000000 0x10000000>; > + }; > + > + clocks { > + #address-cells = <1>; > + #size-cells = <0>; > + > + ckil { > + compatible = "fsl,imx-ckil", "fixed-clock"; > + clock-frequency = <32768>; > + }; > + > + osc { > + compatible = "fsl,imx-osc", "fixed-clock"; > + clock-frequency = <24000000>; > + }; > + }; Are these clocks available for imx35? If not, please remove them. Shawn -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Tue, Nov 12, 2013 at 12:24:18PM +0100, Denis Carikli wrote: > The following devices/functionalities were added: > * Main and secondary UARTs. > * i2c and the pcf8563 device. > * Ethernet. > * NAND. > * The BP1 button. > * The LED. > * Watchdog > * SD. > > Cc: Rob Herring <rob.herring@calxeda.com> > Cc: Pawel Moll <pawel.moll@arm.com> > Cc: Mark Rutland <mark.rutland@arm.com> > Cc: Stephen Warren <swarren@wwwdotorg.org> > Cc: Ian Campbell <ijc+devicetree@hellion.org.uk> > Cc: Grant Likely <grant.likely@linaro.org> > Cc: devicetree@vger.kernel.org > Cc: Sascha Hauer <kernel@pengutronix.de> > Cc: Shawn Guo <shawn.guo@linaro.org> > Cc: linux-arm-kernel@lists.infradead.org > Cc: Eric Bénard <eric@eukrea.com> > Signed-off-by: Denis Carikli <denis@eukrea.com> > Acked-by: Sascha Hauer <s.hauer@pengutronix.de> > --- > ChangeLog v7->v8: > - The commit message was improved. > - The board specific iomuxc pins group configuration that were in imx35.dtsi were moved here. > - The rest of the patch was updated accordingly. > > ChangeLog v6->v7: > - Added Grant Likely in the Cc list. > - Shortened the license. > - The tsc2007 pads were moved in another patch. > > ChangeLog v5->v6: > - Shawn Guo was added in the Cc. > --- > arch/arm/boot/dts/imx35-eukrea-cpuimx35.dtsi | 58 +++++++++ > .../boot/dts/imx35-eukrea-mbimxsd35-baseboard.dts | 124 ++++++++++++++++++++ > 2 files changed, 182 insertions(+) > create mode 100644 arch/arm/boot/dts/imx35-eukrea-cpuimx35.dtsi > create mode 100644 arch/arm/boot/dts/imx35-eukrea-mbimxsd35-baseboard.dts Please add the dtb target into arch/arm/boot/dts/Makefile. > > diff --git a/arch/arm/boot/dts/imx35-eukrea-cpuimx35.dtsi b/arch/arm/boot/dts/imx35-eukrea-cpuimx35.dtsi > new file mode 100644 > index 0000000..3260678 > --- /dev/null > +++ b/arch/arm/boot/dts/imx35-eukrea-cpuimx35.dtsi > @@ -0,0 +1,58 @@ > +/* > + * Copyright 2013 Eukréa Electromatique <denis@eukrea.com> > + * > + * This program is free software; you can redistribute it and/or > + * modify it under the terms of the GNU General Public License > + * as published by the Free Software Foundation; either version 2 > + * of the License, or (at your option) any later version. > + * This program is distributed in the hope that it will be useful, > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > + * GNU General Public License for more details. > + */ > + > +#include "imx35.dtsi" > + > +/ { > + model = "Eukrea CPUIMX35"; > + compatible = "eukrea,cpuimx35", "fsl,imx35"; > + > + memory { > + reg = <0x80000000 0x8000000>; /* 128M */ > + }; > +}; > + > +&fec { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_fec>; > + status = "okay"; > +}; > + > +&i2c1 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_i2c1>; > + status = "okay"; Nit: have a blank line here. > + pcf8563@51 { > + compatible = "nxp,pcf8563"; > + reg = <0x51>; > + }; > +}; > + > +&iomuxc { > + imx35-eukrea { > + pinctrl_fec: fecgrp { > + fsl,pins = <MX35_FEC_PINGRP1>; > + }; > + > + pinctrl_i2c1: i2c1grp { > + fsl,pins = <MX35_I2C1_PINGRP1>; > + }; > + }; > +}; > + > +&nfc { > + nand-bus-width = <8>; > + nand-ecc-mode = "hw"; > + nand-on-flash-bbt; > + status = "okay"; > +}; > diff --git a/arch/arm/boot/dts/imx35-eukrea-mbimxsd35-baseboard.dts b/arch/arm/boot/dts/imx35-eukrea-mbimxsd35-baseboard.dts > new file mode 100644 > index 0000000..fe0f3fa > --- /dev/null > +++ b/arch/arm/boot/dts/imx35-eukrea-mbimxsd35-baseboard.dts > @@ -0,0 +1,124 @@ > +/* > + * Copyright 2013 Eukréa Electromatique <denis@eukrea.com> > + * > + * This program is free software; you can redistribute it and/or > + * modify it under the terms of the GNU General Public License > + * as published by the Free Software Foundation; either version 2 > + * of the License, or (at your option) any later version. > + * This program is distributed in the hope that it will be useful, > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > + * GNU General Public License for more details. > + */ > + > +/dts-v1/; > +#include "imx35-eukrea-cpuimx35.dtsi" > + > +/ { > + model = "Eukrea CPUIMX35"; > + compatible = "eukrea,mbimxsd35-baseboard", "eukrea,cpuimx35", "fsl,imx35"; > + > + gpio_keys { > + compatible = "gpio-keys"; > + > + bp1 { > + label = "BP1"; > + gpios = <&gpio3 25 1>; > + linux,code = <256>; > + gpio-key,wakeup; > + linux,input-type = <1>; > + }; > + }; > + > + leds { > + compatible = "gpio-leds"; > + > + led1 { > + label = "led1"; > + gpios = <&gpio3 29 1>; > + linux,default-trigger = "heartbeat"; > + }; > + }; > +}; > + > +&audmux { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_audmux>; > + status = "okay"; > +}; > + > +&esdhc1 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_esdhc1>; > + cd-gpios = <&gpio3 24 0>; > + status = "okay"; > +}; > + > +&i2c1 { > + tlv320aic23: codec@1a { > + compatible = "ti,tlv320aic23"; > + reg = <0x1a>; > + }; > +}; > + > +&iomuxc { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_hog>; Use tab instead of spaces. > + > + imx35-eukrea { > + pinctrl_hog: hoggrp { > + fsl,pins = < > + MX35_PAD_LD18__GPIO3_24 0x80000000 > + MX35_PAD_LD19__GPIO3_25 0x80000000 > + MX35_PAD_LD23__GPIO3_29 0x80000000 > + >; > + }; > + > + pinctrl_audmux: audmuxgrp { > + fsl,pins = <MX35_AUDMUX_PINGRP1>; > + }; > + > + pinctrl_esdhc1: esdhc1grp { > + fsl,pins = <MX35_ESDHC1_PINGRP1>; > + }; > + > + pinctrl_fec: fecgrp { > + fsl,pins = <MX35_FEC_PINGRP1>; > + }; > + > + pinctrl_i2c1: i2c1grp { > + fsl,pins = <MX35_I2C1_PINGRP1>; > + }; > + > + pinctrl_reg_lcd_3v3: reg_lcd_3v3 { '_' is used in label while '-' should be used in node name. Shawn > + fsl,pins = <MX35_PAD_D3_CLS__GPIO1_4 0x80000000>; > + }; > + > + pinctrl_uart1: uart1grp { > + fsl,pins = <MX35_UART1_PINGRP1>; > + }; > + > + pinctrl_uart2: uart2grp { > + fsl,pins = <MX35_UART2_PINGRP1>; > + }; > + }; > +}; > + > +&ssi1 { > + fsl,mode = "i2s-slave"; > + status = "okay"; > +}; > + > +&uart1 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_uart1>; > + fsl,uart-has-rtscts; > + status = "okay"; > +}; > + > +&uart2 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_uart2>; > + fsl,uart-has-rtscts; > + status = "okay"; > +}; > -- > 1.7.9.5 > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Tue, Nov 12, 2013 at 12:24:15PM +0100, Denis Carikli wrote: > --- /dev/null > +++ b/arch/arm/mach-imx/imx35-dt.c > @@ -0,0 +1,48 @@ > +/* > + * Copyright 2012 Steffen Trumtrar, Pengutronix > + * > + * based on imx27-dt.c > + * > + * This program is free software; you can redistribute it and/or modify it under > + * the terms of the GNU General Public License version 2 as published by the > + * Free Software Foundation. > + */ > + > +#include <linux/irq.h> > +#include <linux/irqdomain.h> > +#include <linux/of_irq.h> > +#include <linux/of_platform.h> > +#include <asm/mach/arch.h> > +#include <asm/mach/time.h> > +#include <asm/hardware/cache-l2x0.h> > +#include "common.h" > +#include "mx35.h" > + > +static void __init imx35_dt_init(void) > +{ > + mxc_arch_reset_init_dt(); > + > + of_platform_populate(NULL, of_default_bus_match_table, > + NULL, NULL); > +} > + > +static void __init imx35_timer_init(void) > +{ > + mx35_clocks_init_dt(); > +} > + > +static const char *imx35_dt_board_compat[] __initdata = { > + "fsl,imx35", > + NULL > +}; > + > +DT_MACHINE_START(IMX35_DT, "Freescale i.MX35 (Device Tree Support)") > + .map_io = mx35_map_io, > + .init_early = imx35_init_early, > + .init_irq = mx35_init_irq, > + .handle_irq = imx35_handle_irq, > + .init_time = imx35_timer_init, Please use CLK_OF_DECLARE() to save this hook. You can look at imx51 clock driver for example. Shawn > + .init_machine = imx35_dt_init, > + .dt_compat = imx35_dt_board_compat, > + .restart = mxc_restart, > +MACHINE_END > -- > 1.7.9.5 > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/Documentation/devicetree/bindings/clock/imx35-clock.txt b/Documentation/devicetree/bindings/clock/imx35-clock.txt new file mode 100644 index 0000000..a703564 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/imx35-clock.txt @@ -0,0 +1,113 @@ +* Clock bindings for Freescale i.MX35 + +Required properties: +- compatible: Should be "fsl,imx35-ccm" +- reg: Address and length of the register set +- interrupts: Should contain CCM interrupt +- #clock-cells: Should be <1> + +The clock consumer should specify the desired clock by having the clock +ID in its "clocks" phandle cell. The following is a full list of i.MX35 +clocks and IDs. + + Clock ID + --------------------------- + ckih 0 + mpll 1 + ppll 2 + mpll_075 3 + arm 4 + hsp 5 + hsp_div 6 + hsp_sel 7 + ahb 8 + ipg 9 + arm_per_div 10 + ahb_per_div 11 + ipg_per 12 + uart_sel 13 + uart_div 14 + esdhc_sel 15 + esdhc1_div 16 + esdhc2_div 17 + esdhc3_div 18 + spdif_sel 19 + spdif_div_pre 20 + spdif_div_post 21 + ssi_sel 22 + ssi1_div_pre 23 + ssi1_div_post 24 + ssi2_div_pre 25 + ssi2_div_post 26 + usb_sel 27 + usb_div 28 + nfc_div 29 + asrc_gate 30 + pata_gate 31 + audmux_gate 32 + can1_gate 33 + can2_gate 34 + cspi1_gate 35 + cspi2_gate 36 + ect_gate 37 + edio_gate 38 + emi_gate 39 + epit1_gate 40 + epit2_gate 41 + esai_gate 42 + esdhc1_gate 43 + esdhc2_gate 44 + esdhc3_gate 45 + fec_gate 46 + gpio1_gate 47 + gpio2_gate 48 + gpio3_gate 49 + gpt_gate 50 + i2c1_gate 51 + i2c2_gate 52 + i2c3_gate 53 + iomuxc_gate 54 + ipu_gate 55 + kpp_gate 56 + mlb_gate 57 + mshc_gate 58 + owire_gate 59 + pwm_gate 60 + rngc_gate 61 + rtc_gate 62 + rtic_gate 63 + scc_gate 64 + sdma_gate 65 + spba_gate 66 + spdif_gate 67 + ssi1_gate 68 + ssi2_gate 69 + uart1_gate 70 + uart2_gate 71 + uart3_gate 72 + usbotg_gate 73 + wdog_gate 74 + max_gate 75 + admux_gate 76 + csi_gate 77 + csi_div 78 + csi_sel 79 + iim_gate 80 + gpu2d_gate 81 + +Examples: + +clks: ccm@53f80000 { + compatible = "fsl,imx35-ccm"; + reg = <0x53f80000 0x4000>; + interrupts = <31>; + #clock-cells = <1>; +}; + +esdhc1: esdhc@53fb4000 { + compatible = "fsl,imx35-esdhc"; + reg = <0x53fb4000 0x4000>; + interrupts = <7>; + clocks = <&clks 9>, <&clks 8>, <&clks 43>; + clock-names = "ipg", "ahb", "per"; +}; diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig index 8f6ce05..36014e2 100644 --- a/arch/arm/mach-imx/Kconfig +++ b/arch/arm/mach-imx/Kconfig @@ -611,6 +611,13 @@ config MACH_IMX31_DT comment "MX35 platforms:" +config MACH_IMX35_DT + bool "Support i.MX35 platforms from device tree" + select SOC_IMX35 + help + Include support for Freescale i.MX35 based platforms + using the device tree for discovery. + config MACH_PCM043 bool "Support Phytec pcm043 (i.MX35) platforms" select IMX_HAVE_PLATFORM_FLEXCAN diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile index 0db1697..befcaf5 100644 --- a/arch/arm/mach-imx/Makefile +++ b/arch/arm/mach-imx/Makefile @@ -89,6 +89,7 @@ obj-$(CONFIG_MACH_MX35_3DS) += mach-mx35_3ds.o obj-$(CONFIG_MACH_EUKREA_CPUIMX35SD) += mach-cpuimx35.o obj-$(CONFIG_MACH_EUKREA_MBIMXSD35_BASEBOARD) += eukrea_mbimxsd35-baseboard.o obj-$(CONFIG_MACH_VPR200) += mach-vpr200.o +obj-$(CONFIG_MACH_IMX35_DT) += imx35-dt.o obj-$(CONFIG_HAVE_IMX_ANATOP) += anatop.o obj-$(CONFIG_HAVE_IMX_GPC) += gpc.o diff --git a/arch/arm/mach-imx/clk-imx35.c b/arch/arm/mach-imx/clk-imx35.c index 2193c83..9ef3c55 100644 --- a/arch/arm/mach-imx/clk-imx35.c +++ b/arch/arm/mach-imx/clk-imx35.c @@ -45,6 +45,8 @@ static struct arm_ahb_div clk_consumer[] = { static char hsp_div_532[] = { 4, 8, 3, 0 }; static char hsp_div_400[] = { 3, 6, 3, 0 }; +static struct clk_onecell_data clk_data; + static const char *std_sel[] = {"ppll", "arm"}; static const char *ipg_per_sel[] = {"ahb_per_div", "arm_per_div"}; @@ -286,3 +288,17 @@ int __init mx35_clocks_init(void) return 0; } + +int __init mx35_clocks_init_dt(void) +{ + struct device_node *np; + + np = of_find_compatible_node(NULL, NULL, "fsl,imx35-ccm"); + clk_data.clks = clk; + clk_data.clk_num = ARRAY_SIZE(clk); + of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data); + + mx35_clocks_init(); + + return 0; +} diff --git a/arch/arm/mach-imx/common.h b/arch/arm/mach-imx/common.h index 59c3b9b..6919b7d 100644 --- a/arch/arm/mach-imx/common.h +++ b/arch/arm/mach-imx/common.h @@ -65,6 +65,7 @@ int mx35_clocks_init(void); int mx51_clocks_init(unsigned long ckil, unsigned long osc, unsigned long ckih1, unsigned long ckih2); int mx25_clocks_init_dt(void); +int mx35_clocks_init_dt(void); int mx27_clocks_init_dt(void); int mx31_clocks_init_dt(void); struct platform_device *mxc_register_gpio(char *name, int id, diff --git a/arch/arm/mach-imx/imx35-dt.c b/arch/arm/mach-imx/imx35-dt.c new file mode 100644 index 0000000..e3def45 --- /dev/null +++ b/arch/arm/mach-imx/imx35-dt.c @@ -0,0 +1,48 @@ +/* + * Copyright 2012 Steffen Trumtrar, Pengutronix + * + * based on imx27-dt.c + * + * This program is free software; you can redistribute it and/or modify it under + * the terms of the GNU General Public License version 2 as published by the + * Free Software Foundation. + */ + +#include <linux/irq.h> +#include <linux/irqdomain.h> +#include <linux/of_irq.h> +#include <linux/of_platform.h> +#include <asm/mach/arch.h> +#include <asm/mach/time.h> +#include <asm/hardware/cache-l2x0.h> +#include "common.h" +#include "mx35.h" + +static void __init imx35_dt_init(void) +{ + mxc_arch_reset_init_dt(); + + of_platform_populate(NULL, of_default_bus_match_table, + NULL, NULL); +} + +static void __init imx35_timer_init(void) +{ + mx35_clocks_init_dt(); +} + +static const char *imx35_dt_board_compat[] __initdata = { + "fsl,imx35", + NULL +}; + +DT_MACHINE_START(IMX35_DT, "Freescale i.MX35 (Device Tree Support)") + .map_io = mx35_map_io, + .init_early = imx35_init_early, + .init_irq = mx35_init_irq, + .handle_irq = imx35_handle_irq, + .init_time = imx35_timer_init, + .init_machine = imx35_dt_init, + .dt_compat = imx35_dt_board_compat, + .restart = mxc_restart, +MACHINE_END