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kernel/arm-beagle.patch

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Bugzilla: 1012025
Upstream-status: In beagle github repository https://github.com/beagleboard/kernel
From b5a2528c89fc8049b2a6a750634c14983e33d00f Mon Sep 17 00:00:00 2001
From: Robert Nelson <robertcnelson@gmail.com>
Date: Fri, 27 Dec 2013 13:05:09 -0600
Subject: [PATCH] arm: dts: am335x-boneblack: lcdc add panel-info
Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
---
arch/arm/boot/dts/am335x-boneblack.dts | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/arch/arm/boot/dts/am335x-boneblack.dts b/arch/arm/boot/dts/am335x-boneblack.dts
index 6b71ad9..09ffbd8 100644
--- a/arch/arm/boot/dts/am335x-boneblack.dts
+++ b/arch/arm/boot/dts/am335x-boneblack.dts
@@ -74,5 +74,18 @@
pinctrl-0 = <&nxp_hdmi_bonelt_pins>;
pinctrl-1 = <&nxp_hdmi_bonelt_off_pins>;
status = "okay";
+
+ panel-info {
+ bpp = <16>;
+ ac-bias = <255>;
+ ac-bias-intrpt = <0>;
+ dma-burst-sz = <16>;
+ fdd = <16>;
+ sync-edge = <1>;
+ sync-ctrl = <1>;
+ raster-order = <0>;
+ fifo-th = <0>;
+ invert-pxl-clk;
+ };
};
};
--
1.8.5.1
From 1da083a002581520dd358b8b8e097078000d12b9 Mon Sep 17 00:00:00 2001
From: Robert Nelson <robertcnelson@gmail.com>
Date: Fri, 27 Dec 2013 13:14:19 -0600
Subject: [PATCH 2/2] arm: dts: am335x-boneblack: add cpu0 opp points
Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
---
arch/arm/boot/dts/am335x-boneblack.dts | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/arch/arm/boot/dts/am335x-boneblack.dts b/arch/arm/boot/dts/am335x-boneblack.dts
index 09ffbd8..f213ccd 100644
--- a/arch/arm/boot/dts/am335x-boneblack.dts
+++ b/arch/arm/boot/dts/am335x-boneblack.dts
@@ -67,6 +67,24 @@
};
/ {
+ cpus {
+ cpu@0 {
+ cpu0-supply = <&dcdc2_reg>;
+ /*
+ * To consider voltage drop between PMIC and SoC,
+ * tolerance value is reduced to 2% from 4% and
+ * voltage value is increased as a precaution.
+ */
+ operating-points = <
+ /* kHz uV */
+ 1000000 1325000
+ 800000 1300000
+ 600000 1112000
+ 300000 969000
+ >;
+ };
+ };
+
hdmi {
compatible = "ti,tilcdc,slave";
i2c = <&i2c0>;
--
1.8.5.1
From 8551d8aa7d3e002da2097e7e902fb96fceb8694e Mon Sep 17 00:00:00 2001
From: Robert Nelson <robertcnelson@gmail.com>
Date: Tue, 31 Dec 2013 11:17:45 -0600
Subject: [PATCH 3/3] arm: dts: am335x-bone-common: enable and use i2c2
Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
---
arch/arm/boot/dts/am335x-bone-common.dtsi | 39 +++++++++++++++++++++++++++++++
1 file changed, 39 insertions(+)
diff --git a/arch/arm/boot/dts/am335x-bone-common.dtsi b/arch/arm/boot/dts/am335x-bone-common.dtsi
index e3f27ec..54366b6 100644
--- a/arch/arm/boot/dts/am335x-bone-common.dtsi
+++ b/arch/arm/boot/dts/am335x-bone-common.dtsi
@@ -84,6 +84,13 @@
>;
};
+ i2c2_pins: pinmux_i2c2_pins {
+ pinctrl-single,pins = <
+ 0x178 0x73 /* (SLEWCTRL_SLOW | PIN_INPUT_PULLUP | MUX_MODE3) uart1_ctsn.i2c2_sda */
+ 0x17c 0x73 /* (SLEWCTRL_SLOW | PIN_INPUT_PULLUP | MUX_MODE3) uart1_rtsn.i2c2_scl */
+ >;
+ };
+
uart0_pins: pinmux_uart0_pins {
pinctrl-single,pins = <
0x170 (PIN_INPUT_PULLUP | MUX_MODE0) /* uart0_rxd.uart0_rxd */
@@ -220,6 +227,38 @@
reg = <0x24>;
};
+ baseboard_eeprom: baseboard_eeprom@50 {
+ compatible = "at,24c256";
+ reg = <0x50>;
+ };
+};
+
+&i2c2 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c2_pins>;
+
+ clock-frequency = <100000>;
+
+ cape_eeprom0: cape_eeprom0@54 {
+ compatible = "at,24c256";
+ reg = <0x54>;
+ };
+
+ cape_eeprom1: cape_eeprom1@55 {
+ compatible = "at,24c256";
+ reg = <0x55>;
+ };
+
+ cape_eeprom2: cape_eeprom2@56 {
+ compatible = "at,24c256";
+ reg = <0x56>;
+ };
+
+ cape_eeprom3: cape_eeprom3@57 {
+ compatible = "at,24c256";
+ reg = <0x57>;
+ };
};
/include/ "tps65217.dtsi"
--
1.8.5.2
From a3099dc53a47d1694a5b575580ec3406dc429bf8 Mon Sep 17 00:00:00 2001
From: Robert Nelson <robertcnelson@gmail.com>
Date: Tue, 31 Dec 2013 14:18:00 -0600
Subject: [PATCH 4/4] arm: dts: am335x-bone-common: setup default pinmux
http://elinux.org/Basic_Proto_Cape
Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
---
arch/arm/boot/dts/am335x-bone-common.dtsi | 130 ++++++++++++++++++++++++++++++
1 file changed, 130 insertions(+)
diff --git a/arch/arm/boot/dts/am335x-bone-common.dtsi b/arch/arm/boot/dts/am335x-bone-common.dtsi
index e4571af..f85cabc 100644
--- a/arch/arm/boot/dts/am335x-bone-common.dtsi
+++ b/arch/arm/boot/dts/am335x-bone-common.dtsi
@@ -98,6 +98,13 @@
>;
};
+ uart1_pins: pinmux_uart1_pins {
+ pinctrl-single,pins = <
+ 0x180 (PIN_INPUT_PULLUP | MUX_MODE0) /* uart1_rxd.uart1_rxd */
+ 0x184 (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* uart1_txd.uart1_txd */
+ >;
+ };
+
clkout2_pin: pinmux_clkout2_pin {
pinctrl-single,pins = <
0x1b4 (PIN_OUTPUT_PULLDOWN | MUX_MODE3) /* xdma_event_intr1.clkout2 */
@@ -178,6 +185,33 @@
0x1c (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad7.mmc1_dat7 */
>;
};
+
+ spi0_pins: pinmux_spi0_pins {
+ pinctrl-single,pins = <
+ 0x150 (PIN_INPUT_PULLUP | MUX_MODE0) /* spi0_sclk.spi0_sclk */
+ 0x154 (PIN_INPUT_PULLUP | MUX_MODE0) /* spi0_d0.spi0_d0 */
+ 0x158 (PIN_OUTPUT_PULLUP | MUX_MODE0) /* spi0_d1.spi0_d1 */
+ 0x15c (PIN_OUTPUT_PULLUP | MUX_MODE0) /* spi0_cs0.spi0_cs0 */
+ >;
+ };
+
+ ehrpwm1_pin_p9_14: pinmux_ehrpwm1_pin_p9_14 {
+ pinctrl-single,pins = <
+ 0x048 0x6 /* P9_14 (ZCZ ball U14) | MODE 6 */
+ >;
+ };
+
+ ehrpwm1_pin_p9_16: pinmux_ehrpwm1_pin_p9_16 {
+ pinctrl-single,pins = <
+ 0x04c 0x6 /* P9_16 (ZCZ ball T14) | MODE 6 */
+ >;
+ };
+
+ ecap0_pin_p9_42: pinmux_ecap0_pin_p9_42 {
+ pinctrl-single,pins = <
+ 0x164 0x0 /* P9_42 (ZCZ ball C18) | MODE 0 */
+ >;
+ };
};
&uart0 {
@@ -187,6 +221,13 @@
status = "okay";
};
+&uart1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&uart1_pins>;
+
+ status = "okay";
+};
+
&usb {
status = "okay";
@@ -261,6 +302,56 @@
};
};
+&epwmss0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&ecap0_pin_p9_42>;
+ status = "okay";
+
+ ecap@48300100 {
+ status = "okay";
+ };
+};
+
+&epwmss1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <
+ &ehrpwm1_pin_p9_14
+ &ehrpwm1_pin_p9_16
+ >;
+
+ status = "okay";
+
+ ehrpwm@48302200 {
+ status = "okay";
+ };
+};
+
+&spi0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi0_pins>;
+ status = "okay";
+
+ spidev0: spi@0 {
+ compatible = "spidev";
+ reg = <0>;
+ spi-max-frequency = <16000000>;
+ spi-cpha;
+ };
+
+ spidev1: spi@1 {
+ compatible = "spidev";
+ reg = <1>;
+ spi-max-frequency = <16000000>;
+ };
+};
+
+&tscadc {
+ status = "okay";
+ adc {
+ ti,adc-channels = <4 5 6>;
+ };
+};
+
/include/ "tps65217.dtsi"
&tps {
@@ -336,3 +427,42 @@
cd-gpios = <&gpio0 6 GPIO_ACTIVE_HIGH>;
cd-inverted;
};
+
+/ {
+ ocp {
+ //FIXME: these pwm's still need work, this guild isn't working..
+ //http://elinux.org/EBC_Exercise_13_Pulse_Width_Modulation
+ pwm_test_P9_14@0 {
+ compatible = "pwm_test";
+ pwms = <&ehrpwm1 0 500000 1>;
+ pwm-names = "PWM_P9_14";
+ pinctrl-names = "default";
+ pinctrl-0 = <&ehrpwm1_pin_p9_14>;
+ enabled = <1>;
+ duty = <0>;
+ status = "okay";
+ };
+
+ pwm_test_P9_16@0 {
+ compatible = "pwm_test";
+ pwms = <&ehrpwm1 0 500000 1>;
+ pwm-names = "PWM_P9_16";
+ pinctrl-names = "default";
+ pinctrl-0 = <&ehrpwm1_pin_p9_16>;
+ enabled = <1>;
+ duty = <0>;
+ status = "okay";
+ };
+
+ pwm_test_P9_42 {
+ compatible = "pwm_test";
+ pwms = <&ecap0 0 500000 1>;
+ pwm-names = "PWM_P9_42";
+ pinctrl-names = "default";
+ pinctrl-0 = <&ecap0_pin_p9_42>;
+ enabled = <1>;
+ duty = <0>;
+ status = "okay";
+ };
+ };
+};
--
1.8.5.2
From b6e2c817edfc6d73874cf833daffe1be6c7ed8bb Mon Sep 17 00:00:00 2001
From: Robert Nelson <robertcnelson@gmail.com>
Date: Thu, 13 Mar 2014 14:18:52 -0500
Subject: [PATCH] arm: dts: am335x-bone-common: add
uart2_pins/uart4_pins/uart5_pins
Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
---
arch/arm/boot/dts/am335x-bone-common.dtsi | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/arch/arm/boot/dts/am335x-bone-common.dtsi b/arch/arm/boot/dts/am335x-bone-common.dtsi
index f85cabc..5270d18 100644
--- a/arch/arm/boot/dts/am335x-bone-common.dtsi
+++ b/arch/arm/boot/dts/am335x-bone-common.dtsi
@@ -105,6 +105,27 @@
>;
};
+ uart2_pins: pinmux_uart2_pins {
+ pinctrl-single,pins = <
+ 0x150 0x21 /* spi0_sclk.uart2_rxd | MODE1 */
+ 0x154 0x01 /* spi0_d0.uart2_txd | MODE1 */
+ >;
+ };
+
+ uart4_pins: pinmux_uart4_pins {
+ pinctrl-single,pins = <
+ 0x070 0x26 /* gpmc_wait0.uart4_rxd | MODE6 */
+ 0x074 0x06 /* gpmc_wpn.uart4_txd | MODE6 */
+ >;
+ };
+
+ uart5_pins: pinmux_uart5_pins {
+ pinctrl-single,pins = <
+ 0x0C4 0x24 /* lcd_data9.uart5_rxd | MODE4 */
+ 0x0C0 0x04 /* lcd_data8.uart5_txd | MODE4 */
+ >;
+ };
+
clkout2_pin: pinmux_clkout2_pin {
pinctrl-single,pins = <
0x1b4 (PIN_OUTPUT_PULLDOWN | MUX_MODE3) /* xdma_event_intr1.clkout2 */
--
1.9.0
From 72567452d5d6007010597158f6afd00e2bf07579 Mon Sep 17 00:00:00 2001
From: Pantelis Antoniou <panto@antoniou-consulting.com>
Date: Sat, 15 Sep 2012 12:00:41 +0300
Subject: [PATCH] pinctrl: pinctrl-single must be initialized early.
When using pinctrl-single to handle i2c initialization, it has
to be done early. Whether this is the best way to do so, is an
exercise left to the reader.
---
drivers/pinctrl/pinctrl-single.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c
index 829b98c..5107dcf 100644
--- a/drivers/pinctrl/pinctrl-single.c
+++ b/drivers/pinctrl/pinctrl-single.c
@@ -2039,7 +2039,17 @@ static struct platform_driver pcs_driver = {
#endif
};
-module_platform_driver(pcs_driver);
+static int __init pcs_init(void)
+{
+ return platform_driver_register(&pcs_driver);
+}
+postcore_initcall(pcs_init);
+
+static void __exit pcs_exit(void)
+{
+ platform_driver_unregister(&pcs_driver);
+}
+module_exit(pcs_exit);
MODULE_AUTHOR("Tony Lindgren <tony@atomide.com>");
MODULE_DESCRIPTION("One-register-per-pin type device tree based pinctrl driver");
--
1.8.5.2
From b6e2c817edfc6d73874cf833daffe1be6c7ed8bb Mon Sep 17 00:00:00 2001
From: Robert Nelson <robertcnelson@gmail.com>
Date: Thu, 13 Mar 2014 14:18:52 -0500
Subject: [PATCH] arm: dts: am335x-bone-common: add
uart2_pins/uart4_pins/uart5_pins
Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
---
arch/arm/boot/dts/am335x-bone-common.dtsi | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
diff --git a/arch/arm/boot/dts/am335x-bone-common.dtsi b/arch/arm/boot/dts/am335x-bone-common.dtsi
index f85cabc..5270d18 100644
--- a/arch/arm/boot/dts/am335x-bone-common.dtsi
+++ b/arch/arm/boot/dts/am335x-bone-common.dtsi
@@ -105,6 +105,27 @@
>;
};
+ uart2_pins: pinmux_uart2_pins {
+ pinctrl-single,pins = <
+ 0x150 0x21 /* spi0_sclk.uart2_rxd | MODE1 */
+ 0x154 0x01 /* spi0_d0.uart2_txd | MODE1 */
+ >;
+ };
+
+ uart4_pins: pinmux_uart4_pins {
+ pinctrl-single,pins = <
+ 0x070 0x26 /* gpmc_wait0.uart4_rxd | MODE6 */
+ 0x074 0x06 /* gpmc_wpn.uart4_txd | MODE6 */
+ >;
+ };
+
+ uart5_pins: pinmux_uart5_pins {
+ pinctrl-single,pins = <
+ 0x0C4 0x24 /* lcd_data9.uart5_rxd | MODE4 */
+ 0x0C0 0x04 /* lcd_data8.uart5_txd | MODE4 */
+ >;
+ };
+
clkout2_pin: pinmux_clkout2_pin {
pinctrl-single,pins = <
0x1b4 (PIN_OUTPUT_PULLDOWN | MUX_MODE3) /* xdma_event_intr1.clkout2 */
--
1.9.0
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