From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753073AbcIBJGx (ORCPT ); Fri, 2 Sep 2016 05:06:53 -0400 Received: from bear.ext.ti.com ([198.47.19.11]:56773 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752898AbcIBJGe (ORCPT ); Fri, 2 Sep 2016 05:06:34 -0400 From: Nishanth Menon To: Tony Lindgren CC: Tomi Valkeinen , Kishon Vijay Abraham I , , , , , Nishanth Menon Subject: [PATCH 1/2] ARM: dts: am57xx-beagle-x15: Remove pinmux configurations Date: Fri, 2 Sep 2016 04:05:59 -0500 Message-ID: <20160902090600.27262-2-nm@ti.com> X-Mailer: git-send-email 2.9.1.200.gb1ec08f In-Reply-To: <20160902090600.27262-1-nm@ti.com> References: <20160902090600.27262-1-nm@ti.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org pinmuxing for DRA7x/AM57x family of processors need to be done in IO isolation as part of initial bootloader executed from SRAM. This is done as part of iodelay configuration sequence and is required due to the limitations introduced by erratum ID: i869[1] and elaborated in the Technical Reference Manual[2] 18.4.6.1.7 Isolation Requirements. Only peripheral that is permitted for dynamic pin mux configuration is MMC. This is to accommodate the requirements for varied speeds (which require IO-delay support in kernel as well). Hence with the exception of MMC, all other pin mux configurations are removed from the dts. [1] http://www.ti.com/lit/pdf/sprz429 [2] http://www.ti.com/lit/pdf/sprui30 Signed-off-by: Nishanth Menon --- arch/arm/boot/dts/am57xx-beagle-x15.dts | 222 +------------------------------- 1 file changed, 1 insertion(+), 221 deletions(-) diff --git a/arch/arm/boot/dts/am57xx-beagle-x15.dts b/arch/arm/boot/dts/am57xx-beagle-x15.dts index 9067ca092dc5..ef21da558ea3 100644 --- a/arch/arm/boot/dts/am57xx-beagle-x15.dts +++ b/arch/arm/boot/dts/am57xx-beagle-x15.dts @@ -59,8 +59,6 @@ leds { compatible = "gpio-leds"; - pinctrl-names = "default"; - pinctrl-0 = <&leds_pins_default>; led0 { label = "beagle-x15:usr0"; @@ -116,9 +114,6 @@ tpd12s015: encoder { compatible = "ti,tpd12s015"; - pinctrl-names = "default"; - pinctrl-0 = <&tpd12s015_pins>; - gpios = <&gpio7 10 GPIO_ACTIVE_HIGH>, /* gpio7_10, CT CP HPD */ <&gpio6 28 GPIO_ACTIVE_HIGH>, /* gpio6_28, LS OE */ <&gpio7 12 GPIO_ACTIVE_HIGH>; /* gpio7_12/sp1_cs2, HPD */ @@ -173,43 +168,6 @@ }; &dra7_pmx_core { - leds_pins_default: leds_pins_default { - pinctrl-single,pins = < - DRA7XX_CORE_IOPAD(0x37a8, PIN_OUTPUT | MUX_MODE14) /* spi1_d1.gpio7_8 */ - DRA7XX_CORE_IOPAD(0x37ac, PIN_OUTPUT | MUX_MODE14) /* spi1_d0.gpio7_9 */ - DRA7XX_CORE_IOPAD(0x37c0, PIN_OUTPUT | MUX_MODE14) /* spi2_sclk.gpio7_14 */ - DRA7XX_CORE_IOPAD(0x37c4, PIN_OUTPUT | MUX_MODE14) /* spi2_d1.gpio7_15 */ - >; - }; - - i2c1_pins_default: i2c1_pins_default { - pinctrl-single,pins = < - DRA7XX_CORE_IOPAD(0x3800, PIN_INPUT_PULLUP | MUX_MODE0) /* i2c1_sda.sda */ - DRA7XX_CORE_IOPAD(0x3804, PIN_INPUT_PULLUP | MUX_MODE0) /* i2c1_scl.scl */ - >; - }; - - hdmi_pins: pinmux_hdmi_pins { - pinctrl-single,pins = < - DRA7XX_CORE_IOPAD(0x3808, PIN_INPUT | MUX_MODE1) /* i2c2_sda.hdmi1_ddc_scl */ - DRA7XX_CORE_IOPAD(0x380c, PIN_INPUT | MUX_MODE1) /* i2c2_scl.hdmi1_ddc_sda */ - >; - }; - - i2c3_pins_default: i2c3_pins_default { - pinctrl-single,pins = < - DRA7XX_CORE_IOPAD(0x36a4, PIN_INPUT| MUX_MODE10) /* mcasp1_aclkx.i2c3_sda */ - DRA7XX_CORE_IOPAD(0x36a8, PIN_INPUT| MUX_MODE10) /* mcasp1_fsx.i2c3_scl */ - >; - }; - - uart3_pins_default: uart3_pins_default { - pinctrl-single,pins = < - DRA7XX_CORE_IOPAD(0x37f8, PIN_INPUT_SLEW | MUX_MODE2) /* uart2_ctsn.uart3_rxd */ - DRA7XX_CORE_IOPAD(0x37fc, PIN_INPUT_SLEW | MUX_MODE1) /* uart2_rtsn.uart3_txd */ - >; - }; - mmc1_pins_default: mmc1_pins_default { pinctrl-single,pins = < DRA7XX_CORE_IOPAD(0x376c, PIN_INPUT | MUX_MODE14) /* mmc1sdcd.gpio219 */ @@ -236,154 +194,9 @@ DRA7XX_CORE_IOPAD(0x3498, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_a22.mmc2_dat7 */ >; }; - - cpsw_pins_default: cpsw_pins_default { - pinctrl-single,pins = < - /* Slave 1 */ - DRA7XX_CORE_IOPAD(0x3650, PIN_OUTPUT | MUX_MODE0) /* rgmii1_tclk */ - DRA7XX_CORE_IOPAD(0x3654, PIN_OUTPUT | MUX_MODE0) /* rgmii1_tctl */ - DRA7XX_CORE_IOPAD(0x3658, PIN_OUTPUT | MUX_MODE0) /* rgmii1_td3 */ - DRA7XX_CORE_IOPAD(0x365c, PIN_OUTPUT | MUX_MODE0) /* rgmii1_td2 */ - DRA7XX_CORE_IOPAD(0x3660, PIN_OUTPUT | MUX_MODE0) /* rgmii1_td1 */ - DRA7XX_CORE_IOPAD(0x3664, PIN_OUTPUT | MUX_MODE0) /* rgmii1_td0 */ - DRA7XX_CORE_IOPAD(0x3668, PIN_INPUT | MUX_MODE0) /* rgmii1_rclk */ - DRA7XX_CORE_IOPAD(0x366c, PIN_INPUT | MUX_MODE0) /* rgmii1_rctl */ - DRA7XX_CORE_IOPAD(0x3670, PIN_INPUT | MUX_MODE0) /* rgmii1_rd3 */ - DRA7XX_CORE_IOPAD(0x3674, PIN_INPUT | MUX_MODE0) /* rgmii1_rd2 */ - DRA7XX_CORE_IOPAD(0x3678, PIN_INPUT | MUX_MODE0) /* rgmii1_rd1 */ - DRA7XX_CORE_IOPAD(0x367c, PIN_INPUT | MUX_MODE0) /* rgmii1_rd0 */ - - /* Slave 2 */ - DRA7XX_CORE_IOPAD(0x3598, PIN_OUTPUT | MUX_MODE3) /* rgmii2_tclk */ - DRA7XX_CORE_IOPAD(0x359c, PIN_OUTPUT | MUX_MODE3) /* rgmii2_tctl */ - DRA7XX_CORE_IOPAD(0x35a0, PIN_OUTPUT | MUX_MODE3) /* rgmii2_td3 */ - DRA7XX_CORE_IOPAD(0x35a4, PIN_OUTPUT | MUX_MODE3) /* rgmii2_td2 */ - DRA7XX_CORE_IOPAD(0x35a8, PIN_OUTPUT | MUX_MODE3) /* rgmii2_td1 */ - DRA7XX_CORE_IOPAD(0x35ac, PIN_OUTPUT | MUX_MODE3) /* rgmii2_td0 */ - DRA7XX_CORE_IOPAD(0x35b0, PIN_INPUT | MUX_MODE3) /* rgmii2_rclk */ - DRA7XX_CORE_IOPAD(0x35b4, PIN_INPUT | MUX_MODE3) /* rgmii2_rctl */ - DRA7XX_CORE_IOPAD(0x35b8, PIN_INPUT | MUX_MODE3) /* rgmii2_rd3 */ - DRA7XX_CORE_IOPAD(0x35bc, PIN_INPUT | MUX_MODE3) /* rgmii2_rd2 */ - DRA7XX_CORE_IOPAD(0x35c0, PIN_INPUT | MUX_MODE3) /* rgmii2_rd1 */ - DRA7XX_CORE_IOPAD(0x35c4, PIN_INPUT | MUX_MODE3) /* rgmii2_rd0 */ - >; - - }; - - cpsw_pins_sleep: cpsw_pins_sleep { - pinctrl-single,pins = < - /* Slave 1 */ - DRA7XX_CORE_IOPAD(0x3650, PIN_INPUT | MUX_MODE15) - DRA7XX_CORE_IOPAD(0x3654, PIN_INPUT | MUX_MODE15) - DRA7XX_CORE_IOPAD(0x3658, PIN_INPUT | MUX_MODE15) - DRA7XX_CORE_IOPAD(0x365c, PIN_INPUT | MUX_MODE15) - DRA7XX_CORE_IOPAD(0x3660, PIN_INPUT | MUX_MODE15) - DRA7XX_CORE_IOPAD(0x3664, PIN_INPUT | MUX_MODE15) - DRA7XX_CORE_IOPAD(0x3668, PIN_INPUT | MUX_MODE15) - DRA7XX_CORE_IOPAD(0x366c, PIN_INPUT | MUX_MODE15) - DRA7XX_CORE_IOPAD(0x3670, PIN_INPUT | MUX_MODE15) - DRA7XX_CORE_IOPAD(0x3674, PIN_INPUT | MUX_MODE15) - DRA7XX_CORE_IOPAD(0x3678, PIN_INPUT | MUX_MODE15) - DRA7XX_CORE_IOPAD(0x367c, PIN_INPUT | MUX_MODE15) - - /* Slave 2 */ - DRA7XX_CORE_IOPAD(0x3598, PIN_INPUT | MUX_MODE15) - DRA7XX_CORE_IOPAD(0x359c, PIN_INPUT | MUX_MODE15) - DRA7XX_CORE_IOPAD(0x35a0, PIN_INPUT | MUX_MODE15) - DRA7XX_CORE_IOPAD(0x35a4, PIN_INPUT | MUX_MODE15) - DRA7XX_CORE_IOPAD(0x35a8, PIN_INPUT | MUX_MODE15) - DRA7XX_CORE_IOPAD(0x35ac, PIN_INPUT | MUX_MODE15) - DRA7XX_CORE_IOPAD(0x35b0, PIN_INPUT | MUX_MODE15) - DRA7XX_CORE_IOPAD(0x35b4, PIN_INPUT | MUX_MODE15) - DRA7XX_CORE_IOPAD(0x35b8, PIN_INPUT | MUX_MODE15) - DRA7XX_CORE_IOPAD(0x35bc, PIN_INPUT | MUX_MODE15) - DRA7XX_CORE_IOPAD(0x35c0, PIN_INPUT | MUX_MODE15) - DRA7XX_CORE_IOPAD(0x35c4, PIN_INPUT | MUX_MODE15) - >; - }; - - davinci_mdio_pins_default: davinci_mdio_pins_default { - pinctrl-single,pins = < - /* MDIO */ - DRA7XX_CORE_IOPAD(0x363c, PIN_OUTPUT_PULLUP | MUX_MODE0) /* mdio_mclk */ - DRA7XX_CORE_IOPAD(0x3640, PIN_INPUT_PULLUP | MUX_MODE0) /* mdio_d */ - >; - }; - - davinci_mdio_pins_sleep: davinci_mdio_pins_sleep { - pinctrl-single,pins = < - DRA7XX_CORE_IOPAD(0x363c, PIN_INPUT | MUX_MODE15) - DRA7XX_CORE_IOPAD(0x3640, PIN_INPUT | MUX_MODE15) - >; - }; - - tps659038_pins_default: tps659038_pins_default { - pinctrl-single,pins = < - DRA7XX_CORE_IOPAD(0x3818, PIN_INPUT_PULLUP | MUX_MODE14) /* wakeup0.gpio1_0 */ - >; - }; - - tmp102_pins_default: tmp102_pins_default { - pinctrl-single,pins = < - DRA7XX_CORE_IOPAD(0x37c8, PIN_INPUT_PULLUP | MUX_MODE14) /* spi2_d0.gpio7_16 */ - >; - }; - - mcp79410_pins_default: mcp79410_pins_default { - pinctrl-single,pins = < - DRA7XX_CORE_IOPAD(0x3824, PIN_INPUT_PULLUP | MUX_MODE1) /* wakeup3.sys_nirq1 */ - >; - }; - - usb1_pins: pinmux_usb1_pins { - pinctrl-single,pins = < - DRA7XX_CORE_IOPAD(0x3680, PIN_INPUT_SLEW | MUX_MODE0) /* usb1_drvvbus */ - >; - }; - - tpd12s015_pins: pinmux_tpd12s015_pins { - pinctrl-single,pins = < - DRA7XX_CORE_IOPAD(0x37b0, PIN_OUTPUT | MUX_MODE14) /* gpio7_10 CT_CP_HPD */ - DRA7XX_CORE_IOPAD(0x37b8, PIN_INPUT_PULLDOWN | MUX_MODE14) /* gpio7_12 HPD */ - DRA7XX_CORE_IOPAD(0x3770, PIN_OUTPUT | MUX_MODE14) /* gpio6_28 LS_OE */ - >; - }; - - clkout2_pins_default: clkout2_pins_default { - pinctrl-single,pins = < - DRA7XX_CORE_IOPAD(0x3694, PIN_OUTPUT_PULLDOWN | MUX_MODE9) /* xref_clk0.clkout2 */ - >; - }; - - clkout2_pins_sleep: clkout2_pins_sleep { - pinctrl-single,pins = < - DRA7XX_CORE_IOPAD(0x3694, PIN_INPUT | MUX_MODE15) /* xref_clk0.clkout2 */ - >; - }; - - mcasp3_pins_default: mcasp3_pins_default { - pinctrl-single,pins = < - DRA7XX_CORE_IOPAD(0x3724, PIN_INPUT_PULLDOWN | MUX_MODE0) /* mcasp3_aclkx.mcasp3_aclkx */ - DRA7XX_CORE_IOPAD(0x3728, PIN_INPUT_PULLDOWN | MUX_MODE0) /* mcasp3_fsx.mcasp3_fsx */ - DRA7XX_CORE_IOPAD(0x372c, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* mcasp3_axr0.mcasp3_axr0 */ - DRA7XX_CORE_IOPAD(0x3730, PIN_INPUT_PULLDOWN | MUX_MODE0) /* mcasp3_axr1.mcasp3_axr1 */ - >; - }; - - mcasp3_pins_sleep: mcasp3_pins_sleep { - pinctrl-single,pins = < - DRA7XX_CORE_IOPAD(0x3724, PIN_INPUT | MUX_MODE15) - DRA7XX_CORE_IOPAD(0x3728, PIN_INPUT | MUX_MODE15) - DRA7XX_CORE_IOPAD(0x372c, PIN_INPUT | MUX_MODE15) - DRA7XX_CORE_IOPAD(0x3730, PIN_INPUT | MUX_MODE15) - >; - }; }; - &i2c1 { status = "okay"; - pinctrl-names = "default"; - pinctrl-0 = <&i2c1_pins_default>; clock-frequency = <400000>; tps659038: tps659038@58 { @@ -392,9 +205,6 @@ interrupt-parent = <&gpio1>; interrupts = <0 IRQ_TYPE_LEVEL_LOW>; - pinctrl-names = "default"; - pinctrl-0 = <&tps659038_pins_default>; - #interrupt-cells = <2>; interrupt-controller; @@ -556,8 +366,6 @@ tmp102: tmp102@48 { compatible = "ti,tmp102"; reg = <0x48>; - pinctrl-names = "default"; - pinctrl-0 = <&tmp102_pins_default>; interrupt-parent = <&gpio7>; interrupts = <16 IRQ_TYPE_LEVEL_LOW>; #thermal-sensor-cells = <1>; @@ -567,9 +375,6 @@ #sound-dai-cells = <0>; compatible = "ti,tlv320aic3104"; reg = <0x18>; - pinctrl-names = "default", "sleep"; - pinctrl-0 = <&clkout2_pins_default>; - pinctrl-1 = <&clkout2_pins_sleep>; assigned-clocks = <&clkoutmux2_clk_mux>; assigned-clock-parents = <&sys_clk2_dclk_div>; @@ -590,8 +395,6 @@ &i2c3 { status = "okay"; - pinctrl-names = "default"; - pinctrl-0 = <&i2c3_pins_default>; clock-frequency = <400000>; mcp_rtc: rtc@6f { @@ -601,9 +404,6 @@ <&dra7_pmx_core 0x424>; interrupt-names = "irq", "wakeup"; - pinctrl-names = "default"; - pinctrl-0 = <&mcp79410_pins_default>; - vcc-supply = <&vdd_3v3>; wakeup-source; }; @@ -623,16 +423,10 @@ status = "okay"; interrupts-extended = <&crossbar_mpu GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>, <&dra7_pmx_core 0x3f8>; - - pinctrl-names = "default"; - pinctrl-0 = <&uart3_pins_default>; }; &mac { status = "okay"; - pinctrl-names = "default", "sleep"; - pinctrl-0 = <&cpsw_pins_default>; - pinctrl-1 = <&cpsw_pins_sleep>; dual_emac; }; @@ -648,12 +442,6 @@ dual_emac_res_vlan = <2>; }; -&davinci_mdio { - pinctrl-names = "default", "sleep"; - pinctrl-0 = <&davinci_mdio_pins_default>; - pinctrl-1 = <&davinci_mdio_pins_sleep>; -}; - &mmc1 { status = "okay"; @@ -669,7 +457,7 @@ status = "okay"; pinctrl-names = "default"; - pinctrl-0 = <&mmc2_pins_default>; + pinctrl-0 = <&mmc1_pins_default>; vmmc-supply = <&vdd_3v3>; bus-width = <8>; @@ -691,8 +479,6 @@ &usb1 { dr_mode = "host"; - pinctrl-names = "default"; - pinctrl-0 = <&usb1_pins>; }; &omap_dwc3_2 { @@ -768,9 +554,6 @@ status = "ok"; vdda-supply = <&ldo4_reg>; - pinctrl-names = "default"; - pinctrl-0 = <&hdmi_pins>; - port { hdmi_out: endpoint { remote-endpoint = <&tpd12s015_in>; @@ -784,9 +567,6 @@ &mcasp3 { #sound-dai-cells = <0>; - pinctrl-names = "default", "sleep"; - pinctrl-0 = <&mcasp3_pins_default>; - pinctrl-1 = <&mcasp3_pins_sleep>; assigned-clocks = <&mcasp3_ahclkx_mux>; assigned-clock-parents = <&sys_clkin2>; status = "okay"; -- 2.9.1.200.gb1ec08f