From patchwork Wed Oct 23 08:18:15 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Denis Carikli X-Patchwork-Id: 3086661 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 640039F2B8 for ; Wed, 23 Oct 2013 08:19:45 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 7748C202E6 for ; Wed, 23 Oct 2013 08:19:43 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E3CFB202E5 for ; Wed, 23 Oct 2013 08:19:40 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VYteu-0001jp-IR; Wed, 23 Oct 2013 08:19:16 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1VYtem-0007P0-V6; Wed, 23 Oct 2013 08:19:08 +0000 Received: from smtp2-g21.free.fr ([2a01:e0c:1:1599::11]) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1VYteV-0007N1-1O for linux-arm-kernel@lists.infradead.org; Wed, 23 Oct 2013 08:18:54 +0000 Received: from denis-N73SV.local.eukrea.com (unknown [88.170.243.169]) by smtp2-g21.free.fr (Postfix) with ESMTP id 102D44B024A; Wed, 23 Oct 2013 10:18:20 +0200 (CEST) From: Denis Carikli To: Sascha Hauer Subject: [PATCHv4][ 1/3] DT: Add basic support for imx35-based devices. Date: Wed, 23 Oct 2013 10:18:15 +0200 Message-Id: <1382516297-12894-1-git-send-email-denis@eukrea.com> X-Mailer: git-send-email 1.7.9.5 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20131023_041852_072936_BA3CBAA3 X-CRM114-Status: GOOD ( 13.84 ) X-Spam-Score: -1.2 (-) Cc: Mark Rutland , devicetree@vger.kernel.org, Russell King , Pawel Moll , Stephen Warren , Ian Campbell , Rob Herring , Denis Carikli , =?UTF-8?q?Eric=20B=C3=A9nard?= , =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= , Steffen Trumtrar , linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.6 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Steffen Trumtrar Cc: Rob Herring Cc: Pawel Moll Cc: Mark Rutland Cc: Stephen Warren Cc: Ian Campbell Cc: devicetree@vger.kernel.org Cc: Russell King Cc: Sascha Hauer Cc: linux-arm-kernel@lists.infradead.org Cc: Eric Bénard Signed-off-by: Steffen Trumtrar Signed-off-by: Uwe Kleine-König Signed-off-by: Denis Carikli --- ChangeLog v3->v4: - imx35.dtsi: removed display related nodes because their bindings have been reworked. --- .../devicetree/bindings/clock/imx35-clock.txt | 115 +++++ arch/arm/boot/dts/imx35.dtsi | 467 ++++++++++++++++++++ arch/arm/mach-imx/Kconfig | 11 + arch/arm/mach-imx/Makefile | 1 + arch/arm/mach-imx/clk-imx35.c | 21 +- arch/arm/mach-imx/common.h | 1 + arch/arm/mach-imx/imx35-dt.c | 48 ++ 7 files changed, 663 insertions(+), 1 deletion(-) create mode 100644 Documentation/devicetree/bindings/clock/imx35-clock.txt create mode 100644 arch/arm/boot/dts/imx35.dtsi create mode 100644 arch/arm/mach-imx/imx35-dt.c diff --git a/Documentation/devicetree/bindings/clock/imx35-clock.txt b/Documentation/devicetree/bindings/clock/imx35-clock.txt new file mode 100644 index 0000000..9f9a60d --- /dev/null +++ b/Documentation/devicetree/bindings/clock/imx35-clock.txt @@ -0,0 +1,115 @@ +* 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 + clk_max 82 + +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"; + status = "disabled"; +}; diff --git a/arch/arm/boot/dts/imx35.dtsi b/arch/arm/boot/dts/imx35.dtsi new file mode 100644 index 0000000..ba1675b --- /dev/null +++ b/arch/arm/boot/dts/imx35.dtsi @@ -0,0 +1,467 @@ +/* + * 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" + +/ { + aliases { + serial0 = &uart1; + serial1 = &uart2; + serial2 = &uart3; + gpio0 = &gpio1; + gpio1 = &gpio2; + gpio2 = &gpio3; + }; + + 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>; + }; + }; + + soc { + #address-cells = <1>; + #size-cells = <1>; + compatible = "simple-bus"; + interrupt-parent = <&avic>; + ranges; + + L2: l2-cache@30000000 { + compatible = "arm,l210-cache"; + reg = <0x30000000 0x1000>; + cache-unified; + cache-level = <2>; + }; + + aips1: aips@43f00000 { + compatible = "fsl,aips", "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x43f00000 0x100000>; + ranges; + + i2c1: i2c@43f80000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "fsl,imx35-i2c", "fsl,imx1-i2c"; + reg = <0x43f80000 0x4000>; + clocks = <&clks 51>; + clock-names = ""; + interrupts = <10>; + status = "disabled"; + }; + + i2c3: i2c@43f84000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "fsl,imx35-i2c", "fsl,imx1-i2c"; + reg = <0x43f84000 0x4000>; + clocks = <&clks 53>; + clock-names = ""; + interrupts = <3>; + status = "disabled"; + }; + + uart1: serial@43f90000 { + compatible = "fsl,imx35-uart", "fsl,imx21-uart"; + reg = <0x43f90000 0x4000>; + clocks = <&clks 9>, <&clks 70>; + clock-names = "ipg", "per"; + interrupts = <45>; + status = "disabled"; + }; + + uart2: serial@43f94000 { + compatible = "fsl,imx35-uart", "fsl,imx21-uart"; + reg = <0x43f94000 0x4000>; + clocks = <&clks 9>, <&clks 71>; + clock-names = "ipg", "per"; + interrupts = <32>; + status = "disabled"; + }; + + i2c2: i2c@43f98000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "fsl,imx35-i2c", "fsl,imx1-i2c"; + reg = <0x43f98000 0x4000>; + clocks = <&clks 52>; + clock-names = ""; + interrupts = <4>; + status = "disabled"; + }; + + ssi1: ssi@43fa0000 { + compatible = "fsl,imx35-ssi", "fsl,imx21-ssi"; + reg = <0x43fa0000 0x4000>; + interrupts = <11>; + clocks = <&clks 68>; + dmas = <&sdma 28 0 0>, + <&sdma 29 0 0>; + dma-names = "rx", "tx"; + fsl,fifo-depth = <15>; + fsl,ssi-dma-events = <29 28 27 26>; /* TX0 RX0 TX1 RX1 */ + status = "disabled"; + }; + + iomuxc: iomuxc@43fac000 { + compatible = "fsl,imx35-iomuxc"; + reg = <0x43fac000 0x4000>; + + i2c1 { + pinctrl_i2c1_1: i2c1grp-1 { + fsl,pins = < + MX35_PAD_I2C1_CLK__I2C1_SCL 0x80000000 + MX35_PAD_I2C1_DAT__I2C1_SDA 0x80000000 + >; + }; + }; + + i2c3 { + pinctrl_i2c3_1: i2c3grp-1 { + fsl,pins = ; + }; + }; + + can1 { + pinctrl_can1_1: can1grp-1 { + fsl,pins = ; + }; + }; + + can2 { + pinctrl_can2_1: can2grp-1 { + fsl,pins = ; + }; + }; + + uart1 { + pinctrl_uart1_1: uart1grp-1 { + fsl,pins = < + MX35_PAD_CTS1__UART1_CTS 0x80000000 + MX35_PAD_RTS1__UART1_RTS 0x80000000 + MX35_PAD_TXD1__UART1_TXD_MUX 0x80000000 + MX35_PAD_RXD1__UART1_RXD_MUX 0x80000000 + >; + }; + }; + + uart2 { + pinctrl_uart2_1: uart2grp-1 { + fsl,pins = < + MX35_PAD_RTS2__UART2_RTS 0x80000000 + MX35_PAD_CTS2__UART2_CTS 0x80000000 + MX35_PAD_RXD2__UART2_RXD_MUX 0x80000000 + MX35_PAD_TXD2__UART2_TXD_MUX 0x80000000 + >; + }; + }; + + fec { + pinctrl_fec_1: fecgrp-1 { + fsl,pins = < + MX35_PAD_FEC_TX_CLK__FEC_TX_CLK 0x80000000 + MX35_PAD_FEC_RX_CLK__FEC_RX_CLK 0x80000000 + MX35_PAD_FEC_RX_DV__FEC_RX_DV 0x80000000 + MX35_PAD_FEC_COL__FEC_COL 0x80000000 + MX35_PAD_FEC_RDATA0__FEC_RDATA_0 0x80000000 + MX35_PAD_FEC_TDATA0__FEC_TDATA_0 0x80000000 + MX35_PAD_FEC_TX_EN__FEC_TX_EN 0x80000000 + MX35_PAD_FEC_MDC__FEC_MDC 0x80000000 + MX35_PAD_FEC_MDIO__FEC_MDIO 0x80000000 + MX35_PAD_FEC_TX_ERR__FEC_TX_ERR 0x80000000 + MX35_PAD_FEC_RX_ERR__FEC_RX_ERR 0x80000000 + MX35_PAD_FEC_CRS__FEC_CRS 0x80000000 + MX35_PAD_FEC_RDATA1__FEC_RDATA_1 0x80000000 + MX35_PAD_FEC_TDATA1__FEC_TDATA_1 0x80000000 + MX35_PAD_FEC_RDATA2__FEC_RDATA_2 0x80000000 + MX35_PAD_FEC_TDATA2__FEC_TDATA_2 0x80000000 + MX35_PAD_FEC_RDATA3__FEC_RDATA_3 0x80000000 + MX35_PAD_FEC_TDATA3__FEC_TDATA_3 0x80000000 + >; + + }; + }; + + esdhc1 { + pinctrl_esdhc1_1: esdhc1grp-1 { + fsl,pins = < + MX35_PAD_SD1_CMD__ESDHC1_CMD 0x80000000 + MX35_PAD_SD1_CLK__ESDHC1_CLK 0x80000000 + MX35_PAD_SD1_DATA0__ESDHC1_DAT0 0x80000000 + MX35_PAD_SD1_DATA1__ESDHC1_DAT1 0x80000000 + MX35_PAD_SD1_DATA2__ESDHC1_DAT2 0x80000000 + MX35_PAD_SD1_DATA3__ESDHC1_DAT3 0x80000000 + >; + }; + }; + + lcdc { + pinctrl_lcdc_1: lcdcgp-1 { + fsl,pins = < + MX35_PAD_LD0__IPU_DISPB_DAT_0 0x80000000 + MX35_PAD_LD1__IPU_DISPB_DAT_1 0x80000000 + MX35_PAD_LD2__IPU_DISPB_DAT_2 0x80000000 + MX35_PAD_LD3__IPU_DISPB_DAT_3 0x80000000 + MX35_PAD_LD4__IPU_DISPB_DAT_4 0x80000000 + MX35_PAD_LD5__IPU_DISPB_DAT_5 0x80000000 + MX35_PAD_LD6__IPU_DISPB_DAT_6 0x80000000 + MX35_PAD_LD7__IPU_DISPB_DAT_7 0x80000000 + MX35_PAD_LD8__IPU_DISPB_DAT_8 0x80000000 + MX35_PAD_LD9__IPU_DISPB_DAT_9 0x80000000 + MX35_PAD_LD10__IPU_DISPB_DAT_10 0x80000000 + MX35_PAD_LD11__IPU_DISPB_DAT_11 0x80000000 + MX35_PAD_LD12__IPU_DISPB_DAT_12 0x80000000 + MX35_PAD_LD13__IPU_DISPB_DAT_13 0x80000000 + MX35_PAD_LD14__IPU_DISPB_DAT_14 0x80000000 + MX35_PAD_LD15__IPU_DISPB_DAT_15 0x80000000 + MX35_PAD_LD16__IPU_DISPB_DAT_16 0x80000000 + MX35_PAD_LD17__IPU_DISPB_DAT_17 0x80000000 + MX35_PAD_D3_HSYNC__IPU_DISPB_D3_HSYNC 0x80000000 + MX35_PAD_D3_FPSHIFT__IPU_DISPB_D3_CLK 0x80000000 + MX35_PAD_D3_DRDY__IPU_DISPB_D3_DRDY 0x80000000 + MX35_PAD_D3_VSYNC__IPU_DISPB_D3_VSYNC 0x80000000 + /* Backlight */ + MX35_PAD_CONTRAST__IPU_DISPB_CONTR 0x80000000 + >; + }; + }; + + audmux { + pinctrl_audmux_1: audmuxgrp-1 { + fsl,pins = < + MX35_PAD_STXFS4__AUDMUX_AUD4_TXFS 0x80000000 + MX35_PAD_STXD4__AUDMUX_AUD4_TXD 0x80000000 + MX35_PAD_SRXD4__AUDMUX_AUD4_RXD 0x80000000 + MX35_PAD_SCK4__AUDMUX_AUD4_TXC 0x80000000 + >; + }; + + }; + }; + }; + + spba: spba-bus@50000000 { + compatible = "fsl,spba-bus", "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x50000000 0x100000>; + ranges; + + uart3: serial@5000c000 { + compatible = "fsl,imx35-uart", "fsl,imx21-uart"; + reg = <0x5000c000 0x4000>; + clocks = <&clks 9>, <&clks 72>; + clock-names = "ipg", "per"; + interrupts = <18>; + status = "disabled"; + }; + + fec: fec@50038000 { + compatible = "fsl,imx35-fec", "fsl,imx27-fec"; + reg = <0x50038000 0x4000>; + clocks = <&clks 46>; + clock-names = ""; + interrupts = <57>; + status = "disabled"; + }; + }; + + aips2: aips@53f00000 { + compatible = "fsl,aips", "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x53f00000 0x100000>; + ranges; + + clks: ccm@53f80000 { + compatible = "fsl,imx35-ccm"; + reg = <0x53f80000 0x4000>; + interrupts = <31>; + #clock-cells = <1>; + }; + + gpio3: gpio@53fa4000 { + compatible = "fsl,imx35-gpio", "fsl,imx31-gpio"; + reg = <0x53fa4000 0x4000>; + interrupts = <56>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + }; + + esdhc1: esdhc@53fb4000 { + compatible = "fsl,imx35-esdhc"; + reg = <0x53fb4000 0x4000>; + interrupts = <7>; + clocks = <&clks 9>, <&clks 8>, <&clks 43>; + clock-names = "ipg", "ahb", "per"; + status = "disabled"; + }; + + esdhc2: esdhc@53fb8000 { + compatible = "fsl,imx35-esdhc"; + reg = <0x53fb8000 0x4000>; + interrupts = <8>; + clocks = <&clks 9>, <&clks 8>, <&clks 44>; + clock-names = "ipg", "ahb", "per"; + status = "disabled"; + }; + + esdhc3: esdhc@53fbc000 { + compatible = "fsl,imx35-esdhc"; + reg = <0x53fbc000 0x4000>; + interrupts = <9>; + clocks = <&clks 9>, <&clks 8>, <&clks 45>; + clock-names = "ipg", "ahb", "per"; + status = "disabled"; + }; + + ipu: ipu@53fc0000 { + compatible = "fsl,imx31-ipu"; + reg = < 0x53fc0000 0x5f + 0x53fc0088 0x2b >; + interrupts = <42 41>; + clocks = <&clks 55>; + status = "disabled"; + }; + + lcdc: mx3fb@53fc00b4 { + compatible = "fsl,mx3-fb"; + reg = <0x53fc00b4 0x0b>; + clocks = <&clks 55>; + status = "disabled"; + }; + + + audmux: audmux@53fc4000 { + compatible = "fsl,imx35-audmux", "fsl,imx31-audmux"; + reg = <0x53fc4000 0x4000>; + status = "disabled"; + }; + + gpio1: gpio@53fcc000 { + compatible = "fsl,imx35-gpio", "fsl,imx31-gpio"; + reg = <0x53fcc000 0x4000>; + interrupts = <52>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + }; + + gpio2: gpio@53fd0000 { + compatible = "fsl,imx35-gpio", "fsl,imx31-gpio"; + reg = <0x53fd0000 0x4000>; + interrupts = <51>; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + }; + + sdma: sdma@53fd4000 { + compatible = "fsl,imx35-sdma"; + reg = <0x53fd4000 0x4000>; + clocks = <&clks 9>, <&clks 65>; + clock-names = "ipg", "ahb"; + #dma-cells = <3>; + interrupts = <34>; + fsl,sdma-ram-script-name = "imx/sdma/sdma-imx35.bin"; + }; + + wdog: wdog@53fdc000 { + compatible = "fsl,imx35-wdt", "fsl,imx21-wdt"; + reg = <0x53fdc000 0x4000>; + clocks = <&clks 74>; + clock-names = ""; + interrupts = <55>; + }; + + can1: can@53fe4000 { + compatible = "fsl,imx35-flexcan", "fsl,p1010-flexcan"; + reg = <0x53fe4000 0x1000>; + clocks = <&clks 33>; + clock-names = ""; + interrupts = <43>; + status = "disabled"; + }; + + can2: can@53fe8000 { + compatible = "fsl,imx35-flexcan", "fsl,p1010-flexcan"; + reg = <0x53fe8000 0x1000>; + clocks = <&clks 34>; + clock-names = ""; + interrupts = <44>; + status = "disabled"; + }; + }; + + emi@80000000 { /* External Memory Interface */ + compatible = "fsl,emi", "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x80000000 0x40000000>; + ranges; + + nfc: nand@bb000000 { + #address-cells = <1>; + #size-cells = <1>; + + compatible = "fsl,imx35-nand", "fsl,imx25-nand"; + reg = <0xbb000000 0x2000>; + clocks = <&clks 29>; + clock-names = ""; + interrupts = <33>; + status = "disabled"; + }; + + weim: weim@b8002000 { + #address-cells = <2>; + #size-cells = <1>; + compatible = "fsl,imx35-weim"; + reg = <0xb8002000 0x1000>; + ranges = < + 0 0 0xa0000000 0x8000000 + 1 0 0xa8000000 0x8000000 + 2 0 0xb0000000 0x2000000 + 3 0 0xb2000000 0x2000000 + 4 0 0xb4000000 0x2000000 + 5 0 0xb6000000 0x2000000 + >; + status = "disabled"; + }; + }; + }; +}; diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig index 9f67338..7400c7b 100644 --- a/arch/arm/mach-imx/Kconfig +++ b/arch/arm/mach-imx/Kconfig @@ -625,6 +625,17 @@ config MACH_IMX31_DT comment "MX35 platforms:" +config MACH_IMX35_DT + bool "Support i.MX35 platforms from device tree" + select SOC_IMX35 + select IMX_HAVE_PLATFORM_IMX2_WDT + select IMX_HAVE_PLATFORM_MXC_NAND + select PINCTRL + select PINCTRL_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 5383c58..f20a117 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..05efb23 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"}; @@ -127,7 +129,8 @@ int __init mx35_clocks_init(void) clk[esdhc3_div] = imx_clk_divider("esdhc3_div", "esdhc_sel", base + MX35_CCM_PDR3, 16, 6); clk[spdif_sel] = imx_clk_mux("spdif_sel", base + MX35_CCM_PDR3, 22, 1, std_sel, ARRAY_SIZE(std_sel)); - clk[spdif_div_pre] = imx_clk_divider("spdif_div_pre", "spdif_sel", base + MX35_CCM_PDR3, 29, 3); /* divide by 1 not allowed */ + /* divide by 1 not allowed */ + clk[spdif_div_pre] = imx_clk_divider("spdif_div_pre", "spdif_sel", base + MX35_CCM_PDR3, 29, 3); clk[spdif_div_post] = imx_clk_divider("spdif_div_post", "spdif_div_pre", base + MX35_CCM_PDR3, 23, 6); clk[ssi_sel] = imx_clk_mux("ssi_sel", base + MX35_CCM_PDR2, 6, 1, std_sel, ARRAY_SIZE(std_sel)); @@ -286,3 +289,19 @@ int __init mx35_clocks_init(void) return 0; } + +int __init mx35_clocks_init_dt(void) +{ + struct device_node *np; + void __iomem *base; + int irq; + + 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 4517fd7..58db4d2 100644 --- a/arch/arm/mach-imx/common.h +++ b/arch/arm/mach-imx/common.h @@ -68,6 +68,7 @@ extern int mx53_clocks_init(unsigned long ckil, unsigned long osc, extern int mx25_clocks_init_dt(void); extern int mx27_clocks_init_dt(void); extern int mx31_clocks_init_dt(void); +extern int mx35_clocks_init_dt(void); extern int mx51_clocks_init_dt(void); extern int mx53_clocks_init_dt(void); extern 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..6e83638 --- /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 +#include +#include +#include +#include +#include +#include +#include "common.h" +#include "mx35.h" + +static void __init imx35_dt_init(void) +{ + l2x0_of_init(0x00030024, 0x00000000); + + 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