forked from Minki/linux
ARM: dts: am57xx-beagle-x15: Remove pinmux configurations for erratum i869
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] (IO Glitches can occur when changing IO settings) 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 and DCAN. MMC is permitted to change to accommodate the requirements for varied speeds (which require IO-delay support in kernel as well). DCAN is a result of i893[1] (DCAN initialization sequence). However, since we don't use DCAN on X15, 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 <nm@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
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@ -59,8 +59,6 @@
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leds {
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compatible = "gpio-leds";
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pinctrl-names = "default";
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pinctrl-0 = <&leds_pins_default>;
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led0 {
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label = "beagle-x15:usr0";
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@ -116,9 +114,6 @@
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tpd12s015: encoder {
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compatible = "ti,tpd12s015";
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pinctrl-names = "default";
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pinctrl-0 = <&tpd12s015_pins>;
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gpios = <&gpio7 10 GPIO_ACTIVE_HIGH>, /* gpio7_10, CT CP HPD */
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<&gpio6 28 GPIO_ACTIVE_HIGH>, /* gpio6_28, LS OE */
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<&gpio7 12 GPIO_ACTIVE_HIGH>; /* gpio7_12/sp1_cs2, HPD */
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@ -173,43 +168,6 @@
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};
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&dra7_pmx_core {
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leds_pins_default: leds_pins_default {
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pinctrl-single,pins = <
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DRA7XX_CORE_IOPAD(0x37a8, PIN_OUTPUT | MUX_MODE14) /* spi1_d1.gpio7_8 */
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DRA7XX_CORE_IOPAD(0x37ac, PIN_OUTPUT | MUX_MODE14) /* spi1_d0.gpio7_9 */
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DRA7XX_CORE_IOPAD(0x37c0, PIN_OUTPUT | MUX_MODE14) /* spi2_sclk.gpio7_14 */
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DRA7XX_CORE_IOPAD(0x37c4, PIN_OUTPUT | MUX_MODE14) /* spi2_d1.gpio7_15 */
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>;
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};
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i2c1_pins_default: i2c1_pins_default {
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pinctrl-single,pins = <
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DRA7XX_CORE_IOPAD(0x3800, PIN_INPUT_PULLUP | MUX_MODE0) /* i2c1_sda.sda */
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DRA7XX_CORE_IOPAD(0x3804, PIN_INPUT_PULLUP | MUX_MODE0) /* i2c1_scl.scl */
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>;
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};
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hdmi_pins: pinmux_hdmi_pins {
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pinctrl-single,pins = <
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DRA7XX_CORE_IOPAD(0x3808, PIN_INPUT | MUX_MODE1) /* i2c2_sda.hdmi1_ddc_scl */
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DRA7XX_CORE_IOPAD(0x380c, PIN_INPUT | MUX_MODE1) /* i2c2_scl.hdmi1_ddc_sda */
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>;
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};
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i2c3_pins_default: i2c3_pins_default {
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pinctrl-single,pins = <
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DRA7XX_CORE_IOPAD(0x36a4, PIN_INPUT| MUX_MODE10) /* mcasp1_aclkx.i2c3_sda */
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DRA7XX_CORE_IOPAD(0x36a8, PIN_INPUT| MUX_MODE10) /* mcasp1_fsx.i2c3_scl */
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>;
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};
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uart3_pins_default: uart3_pins_default {
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pinctrl-single,pins = <
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DRA7XX_CORE_IOPAD(0x37f8, PIN_INPUT_SLEW | MUX_MODE2) /* uart2_ctsn.uart3_rxd */
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DRA7XX_CORE_IOPAD(0x37fc, PIN_INPUT_SLEW | MUX_MODE1) /* uart2_rtsn.uart3_txd */
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>;
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};
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mmc1_pins_default: mmc1_pins_default {
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pinctrl-single,pins = <
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DRA7XX_CORE_IOPAD(0x376c, PIN_INPUT | MUX_MODE14) /* mmc1sdcd.gpio219 */
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@ -236,154 +194,9 @@
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DRA7XX_CORE_IOPAD(0x3498, PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_a22.mmc2_dat7 */
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>;
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};
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cpsw_pins_default: cpsw_pins_default {
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pinctrl-single,pins = <
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/* Slave 1 */
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DRA7XX_CORE_IOPAD(0x3650, PIN_OUTPUT | MUX_MODE0) /* rgmii1_tclk */
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DRA7XX_CORE_IOPAD(0x3654, PIN_OUTPUT | MUX_MODE0) /* rgmii1_tctl */
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DRA7XX_CORE_IOPAD(0x3658, PIN_OUTPUT | MUX_MODE0) /* rgmii1_td3 */
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DRA7XX_CORE_IOPAD(0x365c, PIN_OUTPUT | MUX_MODE0) /* rgmii1_td2 */
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DRA7XX_CORE_IOPAD(0x3660, PIN_OUTPUT | MUX_MODE0) /* rgmii1_td1 */
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DRA7XX_CORE_IOPAD(0x3664, PIN_OUTPUT | MUX_MODE0) /* rgmii1_td0 */
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DRA7XX_CORE_IOPAD(0x3668, PIN_INPUT | MUX_MODE0) /* rgmii1_rclk */
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DRA7XX_CORE_IOPAD(0x366c, PIN_INPUT | MUX_MODE0) /* rgmii1_rctl */
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DRA7XX_CORE_IOPAD(0x3670, PIN_INPUT | MUX_MODE0) /* rgmii1_rd3 */
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DRA7XX_CORE_IOPAD(0x3674, PIN_INPUT | MUX_MODE0) /* rgmii1_rd2 */
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DRA7XX_CORE_IOPAD(0x3678, PIN_INPUT | MUX_MODE0) /* rgmii1_rd1 */
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DRA7XX_CORE_IOPAD(0x367c, PIN_INPUT | MUX_MODE0) /* rgmii1_rd0 */
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/* Slave 2 */
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DRA7XX_CORE_IOPAD(0x3598, PIN_OUTPUT | MUX_MODE3) /* rgmii2_tclk */
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DRA7XX_CORE_IOPAD(0x359c, PIN_OUTPUT | MUX_MODE3) /* rgmii2_tctl */
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DRA7XX_CORE_IOPAD(0x35a0, PIN_OUTPUT | MUX_MODE3) /* rgmii2_td3 */
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DRA7XX_CORE_IOPAD(0x35a4, PIN_OUTPUT | MUX_MODE3) /* rgmii2_td2 */
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DRA7XX_CORE_IOPAD(0x35a8, PIN_OUTPUT | MUX_MODE3) /* rgmii2_td1 */
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DRA7XX_CORE_IOPAD(0x35ac, PIN_OUTPUT | MUX_MODE3) /* rgmii2_td0 */
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DRA7XX_CORE_IOPAD(0x35b0, PIN_INPUT | MUX_MODE3) /* rgmii2_rclk */
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DRA7XX_CORE_IOPAD(0x35b4, PIN_INPUT | MUX_MODE3) /* rgmii2_rctl */
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DRA7XX_CORE_IOPAD(0x35b8, PIN_INPUT | MUX_MODE3) /* rgmii2_rd3 */
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DRA7XX_CORE_IOPAD(0x35bc, PIN_INPUT | MUX_MODE3) /* rgmii2_rd2 */
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DRA7XX_CORE_IOPAD(0x35c0, PIN_INPUT | MUX_MODE3) /* rgmii2_rd1 */
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DRA7XX_CORE_IOPAD(0x35c4, PIN_INPUT | MUX_MODE3) /* rgmii2_rd0 */
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>;
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};
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cpsw_pins_sleep: cpsw_pins_sleep {
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pinctrl-single,pins = <
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/* Slave 1 */
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DRA7XX_CORE_IOPAD(0x3650, PIN_INPUT | MUX_MODE15)
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DRA7XX_CORE_IOPAD(0x3654, PIN_INPUT | MUX_MODE15)
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DRA7XX_CORE_IOPAD(0x3658, PIN_INPUT | MUX_MODE15)
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DRA7XX_CORE_IOPAD(0x365c, PIN_INPUT | MUX_MODE15)
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DRA7XX_CORE_IOPAD(0x3660, PIN_INPUT | MUX_MODE15)
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DRA7XX_CORE_IOPAD(0x3664, PIN_INPUT | MUX_MODE15)
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DRA7XX_CORE_IOPAD(0x3668, PIN_INPUT | MUX_MODE15)
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DRA7XX_CORE_IOPAD(0x366c, PIN_INPUT | MUX_MODE15)
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DRA7XX_CORE_IOPAD(0x3670, PIN_INPUT | MUX_MODE15)
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DRA7XX_CORE_IOPAD(0x3674, PIN_INPUT | MUX_MODE15)
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DRA7XX_CORE_IOPAD(0x3678, PIN_INPUT | MUX_MODE15)
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DRA7XX_CORE_IOPAD(0x367c, PIN_INPUT | MUX_MODE15)
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/* Slave 2 */
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DRA7XX_CORE_IOPAD(0x3598, PIN_INPUT | MUX_MODE15)
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DRA7XX_CORE_IOPAD(0x359c, PIN_INPUT | MUX_MODE15)
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DRA7XX_CORE_IOPAD(0x35a0, PIN_INPUT | MUX_MODE15)
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DRA7XX_CORE_IOPAD(0x35a4, PIN_INPUT | MUX_MODE15)
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DRA7XX_CORE_IOPAD(0x35a8, PIN_INPUT | MUX_MODE15)
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DRA7XX_CORE_IOPAD(0x35ac, PIN_INPUT | MUX_MODE15)
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DRA7XX_CORE_IOPAD(0x35b0, PIN_INPUT | MUX_MODE15)
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DRA7XX_CORE_IOPAD(0x35b4, PIN_INPUT | MUX_MODE15)
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DRA7XX_CORE_IOPAD(0x35b8, PIN_INPUT | MUX_MODE15)
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DRA7XX_CORE_IOPAD(0x35bc, PIN_INPUT | MUX_MODE15)
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DRA7XX_CORE_IOPAD(0x35c0, PIN_INPUT | MUX_MODE15)
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DRA7XX_CORE_IOPAD(0x35c4, PIN_INPUT | MUX_MODE15)
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>;
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};
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davinci_mdio_pins_default: davinci_mdio_pins_default {
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pinctrl-single,pins = <
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/* MDIO */
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DRA7XX_CORE_IOPAD(0x363c, PIN_OUTPUT_PULLUP | MUX_MODE0) /* mdio_mclk */
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DRA7XX_CORE_IOPAD(0x3640, PIN_INPUT_PULLUP | MUX_MODE0) /* mdio_d */
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>;
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};
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davinci_mdio_pins_sleep: davinci_mdio_pins_sleep {
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pinctrl-single,pins = <
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DRA7XX_CORE_IOPAD(0x363c, PIN_INPUT | MUX_MODE15)
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DRA7XX_CORE_IOPAD(0x3640, PIN_INPUT | MUX_MODE15)
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>;
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};
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tps659038_pins_default: tps659038_pins_default {
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pinctrl-single,pins = <
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DRA7XX_CORE_IOPAD(0x3818, PIN_INPUT_PULLUP | MUX_MODE14) /* wakeup0.gpio1_0 */
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>;
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};
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tmp102_pins_default: tmp102_pins_default {
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pinctrl-single,pins = <
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DRA7XX_CORE_IOPAD(0x37c8, PIN_INPUT_PULLUP | MUX_MODE14) /* spi2_d0.gpio7_16 */
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>;
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};
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mcp79410_pins_default: mcp79410_pins_default {
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pinctrl-single,pins = <
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DRA7XX_CORE_IOPAD(0x3824, PIN_INPUT_PULLUP | MUX_MODE1) /* wakeup3.sys_nirq1 */
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>;
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};
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usb1_pins: pinmux_usb1_pins {
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pinctrl-single,pins = <
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DRA7XX_CORE_IOPAD(0x3680, PIN_INPUT_SLEW | MUX_MODE0) /* usb1_drvvbus */
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>;
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};
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tpd12s015_pins: pinmux_tpd12s015_pins {
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pinctrl-single,pins = <
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DRA7XX_CORE_IOPAD(0x37b0, PIN_OUTPUT | MUX_MODE14) /* gpio7_10 CT_CP_HPD */
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DRA7XX_CORE_IOPAD(0x37b8, PIN_INPUT_PULLDOWN | MUX_MODE14) /* gpio7_12 HPD */
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DRA7XX_CORE_IOPAD(0x3770, PIN_OUTPUT | MUX_MODE14) /* gpio6_28 LS_OE */
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>;
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};
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clkout2_pins_default: clkout2_pins_default {
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pinctrl-single,pins = <
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DRA7XX_CORE_IOPAD(0x3694, PIN_OUTPUT_PULLDOWN | MUX_MODE9) /* xref_clk0.clkout2 */
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>;
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};
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clkout2_pins_sleep: clkout2_pins_sleep {
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pinctrl-single,pins = <
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DRA7XX_CORE_IOPAD(0x3694, PIN_INPUT | MUX_MODE15) /* xref_clk0.clkout2 */
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>;
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};
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mcasp3_pins_default: mcasp3_pins_default {
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pinctrl-single,pins = <
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DRA7XX_CORE_IOPAD(0x3724, PIN_INPUT_PULLDOWN | MUX_MODE0) /* mcasp3_aclkx.mcasp3_aclkx */
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DRA7XX_CORE_IOPAD(0x3728, PIN_INPUT_PULLDOWN | MUX_MODE0) /* mcasp3_fsx.mcasp3_fsx */
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DRA7XX_CORE_IOPAD(0x372c, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* mcasp3_axr0.mcasp3_axr0 */
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DRA7XX_CORE_IOPAD(0x3730, PIN_INPUT_PULLDOWN | MUX_MODE0) /* mcasp3_axr1.mcasp3_axr1 */
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>;
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};
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mcasp3_pins_sleep: mcasp3_pins_sleep {
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pinctrl-single,pins = <
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DRA7XX_CORE_IOPAD(0x3724, PIN_INPUT | MUX_MODE15)
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DRA7XX_CORE_IOPAD(0x3728, PIN_INPUT | MUX_MODE15)
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DRA7XX_CORE_IOPAD(0x372c, PIN_INPUT | MUX_MODE15)
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DRA7XX_CORE_IOPAD(0x3730, PIN_INPUT | MUX_MODE15)
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>;
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};
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};
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&i2c1 {
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status = "okay";
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pinctrl-names = "default";
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pinctrl-0 = <&i2c1_pins_default>;
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clock-frequency = <400000>;
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tps659038: tps659038@58 {
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@ -392,9 +205,6 @@
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interrupt-parent = <&gpio1>;
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interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
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pinctrl-names = "default";
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pinctrl-0 = <&tps659038_pins_default>;
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#interrupt-cells = <2>;
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interrupt-controller;
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@ -556,8 +366,6 @@
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tmp102: tmp102@48 {
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compatible = "ti,tmp102";
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reg = <0x48>;
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pinctrl-names = "default";
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pinctrl-0 = <&tmp102_pins_default>;
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interrupt-parent = <&gpio7>;
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interrupts = <16 IRQ_TYPE_LEVEL_LOW>;
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#thermal-sensor-cells = <1>;
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@ -567,9 +375,6 @@
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#sound-dai-cells = <0>;
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compatible = "ti,tlv320aic3104";
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reg = <0x18>;
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pinctrl-names = "default", "sleep";
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pinctrl-0 = <&clkout2_pins_default>;
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pinctrl-1 = <&clkout2_pins_sleep>;
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assigned-clocks = <&clkoutmux2_clk_mux>;
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assigned-clock-parents = <&sys_clk2_dclk_div>;
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@ -590,8 +395,6 @@
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&i2c3 {
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status = "okay";
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pinctrl-names = "default";
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pinctrl-0 = <&i2c3_pins_default>;
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clock-frequency = <400000>;
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mcp_rtc: rtc@6f {
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@ -601,9 +404,6 @@
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<&dra7_pmx_core 0x424>;
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interrupt-names = "irq", "wakeup";
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pinctrl-names = "default";
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pinctrl-0 = <&mcp79410_pins_default>;
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vcc-supply = <&vdd_3v3>;
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wakeup-source;
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};
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@ -623,16 +423,10 @@
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status = "okay";
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interrupts-extended = <&crossbar_mpu GIC_SPI 69 IRQ_TYPE_LEVEL_HIGH>,
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<&dra7_pmx_core 0x3f8>;
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pinctrl-names = "default";
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pinctrl-0 = <&uart3_pins_default>;
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};
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&mac {
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status = "okay";
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pinctrl-names = "default", "sleep";
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pinctrl-0 = <&cpsw_pins_default>;
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pinctrl-1 = <&cpsw_pins_sleep>;
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dual_emac;
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};
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@ -648,12 +442,6 @@
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dual_emac_res_vlan = <2>;
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};
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&davinci_mdio {
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pinctrl-names = "default", "sleep";
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pinctrl-0 = <&davinci_mdio_pins_default>;
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pinctrl-1 = <&davinci_mdio_pins_sleep>;
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};
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&mmc1 {
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status = "okay";
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@ -669,7 +457,7 @@
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status = "okay";
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pinctrl-names = "default";
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pinctrl-0 = <&mmc2_pins_default>;
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pinctrl-0 = <&mmc1_pins_default>;
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vmmc-supply = <&vdd_3v3>;
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bus-width = <8>;
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@ -691,8 +479,6 @@
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&usb1 {
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dr_mode = "host";
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pinctrl-names = "default";
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pinctrl-0 = <&usb1_pins>;
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};
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&omap_dwc3_2 {
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@ -768,9 +554,6 @@
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status = "ok";
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vdda-supply = <&ldo4_reg>;
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pinctrl-names = "default";
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pinctrl-0 = <&hdmi_pins>;
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port {
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hdmi_out: endpoint {
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remote-endpoint = <&tpd12s015_in>;
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@ -784,9 +567,6 @@
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&mcasp3 {
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#sound-dai-cells = <0>;
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pinctrl-names = "default", "sleep";
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pinctrl-0 = <&mcasp3_pins_default>;
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pinctrl-1 = <&mcasp3_pins_sleep>;
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assigned-clocks = <&mcasp3_ahclkx_mux>;
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assigned-clock-parents = <&sys_clkin2>;
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status = "okay";
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