From: Mugunthan V N <mugunthanvnm@xxxxxx>
-> Adding pinmux for cpsw, i2c0.
-> Enabling the modules that are present in AM4372 EPOS EVM
These modules are tested on AM4372 EPOS EVM.
Signed-off-by: Lokesh Vutla <lokeshvutla@xxxxxx>
Signed-off-by: Sourav Poddar <sourav.poddar@xxxxxx>
Signed-off-by: Mugunthan V N <mugunthanvnm@xxxxxx>
---
arch/arm/boot/dts/am43x-epos-evm.dts | 168 ++++++++++++++++++++++++++++++++++
include/dt-bindings/pinctrl/am43xx.h | 31 +++++++
2 files changed, 199 insertions(+)
create mode 100644 include/dt-bindings/pinctrl/am43xx.h
diff --git a/arch/arm/boot/dts/am43x-epos-evm.dts b/arch/arm/boot/dts/am43x-epos-evm.dts
index 74174d4..fbf9c4c 100644
--- a/arch/arm/boot/dts/am43x-epos-evm.dts
+++ b/arch/arm/boot/dts/am43x-epos-evm.dts
@@ -11,8 +11,176 @@
/dts-v1/;
#include "am4372.dtsi"
+#include <dt-bindings/pinctrl/am43xx.h>
+#include <dt-bindings/gpio/gpio.h>
/ {
model = "TI AM43x EPOS EVM";
compatible = "ti,am43x-epos-evm","ti,am4372","ti,am43";
+
+ vmmcsd_fixed: fixedregulator-sd {
+ compatible = "regulator-fixed";
+ regulator-name = "vmmcsd_fixed";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ enable-active-high;
+ };
+
+ am43xx_pinmux: pinmux@44e10800 {
+ cpsw_default: cpsw_default {
+ pinctrl-single,pins = <
+ /* Slave 1 */
+ 0x10c (PIN_INPUT_PULLDOWN | MUX_MODE1) /* mii1_crs.rmii1_crs */
+ 0x110 (PIN_INPUT_PULLDOWN | MUX_MODE1) /* mii1_rxerr.rmii1_rxerr */
+ 0x114 (PIN_OUTPUT_PULLDOWN | MUX_MODE1) /* mii1_txen.rmii1_txen */
+ 0x118 (PIN_INPUT_PULLDOWN | MUX_MODE1) /* mii1_rxdv.rmii1_rxdv */
+ 0x124 (PIN_OUTPUT_PULLDOWN | MUX_MODE1) /* mii1_txd1.rmii1_txd1 */
+ 0x128 (PIN_OUTPUT_PULLDOWN | MUX_MODE1) /* mii1_txd0.rmii1_txd0 */
+ 0x13c (PIN_INPUT_PULLDOWN | MUX_MODE1) /* mii1_rxd1.rmii1_rxd1 */
+ 0x140 (PIN_INPUT_PULLDOWN | MUX_MODE1) /* mii1_rxd0.rmii1_rxd0 */
+ 0x144 (PIN_INPUT_PULLDOWN | MUX_MODE0) /* rmii1_refclk.rmii1_refclk */
+ >;
+ };
+
+ cpsw_sleep: cpsw_sleep {
+ pinctrl-single,pins = <
+ /* Slave 1 reset value */
+ 0x10c (PIN_INPUT_PULLDOWN | MUX_MODE7)
+ 0x110 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+ 0x114 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+ 0x118 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+ 0x124 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+ 0x128 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+ 0x13c (PIN_INPUT_PULLDOWN | MUX_MODE7)
+ 0x140 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+ 0x144 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+ >;
+ };
+
+ davinci_mdio_default: davinci_mdio_default {
+ pinctrl-single,pins = <
+ /* MDIO */
+ 0x148 (PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0) /* mdio_data.mdio_data */
+ 0x14c (PIN_OUTPUT_PULLUP | MUX_MODE0) /* mdio_clk.mdio_clk */
+ >;
+ };
+
+ davinci_mdio_sleep: davinci_mdio_sleep {
+ pinctrl-single,pins = <
+ /* MDIO reset value */
+ 0x148 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+ 0x14c (PIN_INPUT_PULLDOWN | MUX_MODE7)
+ >;
+ };
+
+ i2c0_pins: pinmux_i2c0_pins {
+ pinctrl-single,pins = <
+ 0x188 (PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0) /* i2c0_sda.i2c0_sda */
+ 0x18c (PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0) /* i2c0_scl.i2c0_scl */
+ >;
+ };
+ };
+
+ matrix_keypad: matrix_keypad@0 {
+ compatible = "gpio-matrix-keypad";
+ debounce-delay-ms = <5>;
+ col-scan-delay-us = <2>;
+
+ row-gpios = <&gpio0 12 GPIO_ACTIVE_HIGH /* Bank0, pin12 */
+ &gpio0 13 GPIO_ACTIVE_HIGH /* Bank0, pin13 */
+ &gpio0 14 GPIO_ACTIVE_HIGH /* Bank0, pin14 */
+ &gpio0 15 GPIO_ACTIVE_HIGH>; /* Bank0, pin15 */
+
+ col-gpios = <&gpio3 9 GPIO_ACTIVE_HIGH /* Bank3, pin9 */
+ &gpio3 10 GPIO_ACTIVE_HIGH /* Bank3, pin10 */
+ &gpio2 18 GPIO_ACTIVE_HIGH /* Bank2, pin18 */
+ &gpio2 19 GPIO_ACTIVE_HIGH>; /* Bank2, pin19 */
+
+ linux,keymap = <0x00000201 /* P1 */
+ 0x01000204 /* P4 */
+ 0x02000207 /* P7 */
+ 0x0300020a /* NUMERIC_STAR */
+ 0x00010202 /* P2 */
+ 0x01010205 /* P5 */
+ 0x02010208 /* P8 */
+ 0x03010200 /* P0 */
+ 0x00020203 /* P3 */
+ 0x01020206 /* P6 */
+ 0x02020209 /* P9 */
+ 0x0302020b /* NUMERIC_POUND */
+ 0x00030067 /* UP */
+ 0x0103006a /* RIGHT */
+ 0x0203006c /* DOWN */
+ 0x03030069>; /* LEFT */
+ };
+};
+
+&mmc1 {
+ status = "okay";
+ vmmc-supply = <&vmmcsd_fixed>;
+ bus-width = <4>;
+};
+
+&mac {
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&cpsw_default>;
+ pinctrl-1 = <&cpsw_sleep>;
+ status = "okay";
+};
+
+&davinci_mdio {
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&davinci_mdio_default>;
+ pinctrl-1 = <&davinci_mdio_sleep>;
+ status = "okay";
+};
+
+&cpsw_emac0 {
+ phy_id = <&davinci_mdio>, <16>;
+ phy-mode = "rmii";
+};
+
+&cpsw_emac1 {
+ phy_id = <&davinci_mdio>, <1>;
+ phy-mode = "rmii";
+};
+
+&i2c0 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c0_pins>;
+
+ at24@50 {
+ compatible = "at24,24c256";
+ pagesize = <64>;
+ reg = <0x50>;
+ };
+
+ pixcir_ts@5c {
+ compatible = "pixcir,pixcir_ts";
+ reg = <0x5c>;
+ interrupt-parent = <&gpio1>;
+ interrupts = <17 0>;
+
+ attb-gpio = <&gpio1 17 GPIO_ACTIVE_HIGH>;
+
+ x-size = <1024>;
+ y-size = <768>;
+ };
+};
+
+&gpio0 {
+ status = "okay";
+};
+
+&gpio1 {
+ status = "okay";
+};
+
+&gpio2 {
+ status = "okay";
+};
+
+&gpio3 {
+ status = "okay";
};
diff --git a/include/dt-bindings/pinctrl/am43xx.h b/include/dt-bindings/pinctrl/am43xx.h
new file mode 100644
index 0000000..eb6c366a
--- /dev/null
+++ b/include/dt-bindings/pinctrl/am43xx.h
@@ -0,0 +1,31 @@
+/*
+ * This header provides constants specific to AM43XX pinctrl bindings.
+ */
+
+#ifndef _DT_BINDINGS_PINCTRL_AM43XX_H
+#define _DT_BINDINGS_PINCTRL_AM43XX_H
+
+#define MUX_MODE0 0
+#define MUX_MODE1 1
+#define MUX_MODE2 2
+#define MUX_MODE3 3
+#define MUX_MODE4 4
+#define MUX_MODE5 5
+#define MUX_MODE6 6
+#define MUX_MODE7 7
+
+#define PULL_DISABLE (1 << 16)
+#define PULL_UP (1 << 17)
+#define INPUT_EN (1 << 18)
+#define SLEWCTRL_FAST (1 << 19)
+#define DS0_PULL_UP_DOWN_EN (1 << 27)
+
+#define PIN_OUTPUT (PULL_DISABLE)
+#define PIN_OUTPUT_PULLUP (PULL_UP)
+#define PIN_OUTPUT_PULLDOWN 0
+#define PIN_INPUT (INPUT_EN | PULL_DISABLE)
+#define PIN_INPUT_PULLUP (INPUT_EN | PULL_UP)
+#define PIN_INPUT_PULLDOWN (INPUT_EN)
+
+#endif
+
--
1.7.9.5
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