bbb: add spi pio mode

Signed-off-by: Robert Nelson <robertcnelson@gmail.com>

patch.sh

@@ -455,9 +455,10 @@ beaglebone () {
 	${git} "${DIR}/patches/beaglebone/dts/0004-add-am335x-bonegreen.patch"
 	${git} "${DIR}/patches/beaglebone/dts/0005-add-overlay-dtb.patch"
 	${git} "${DIR}/patches/beaglebone/dts/0006-tps65217-Enable-KEY_POWER-press-on-AC-loss-PWR_BUT.patch"
+	${git} "${DIR}/patches/beaglebone/dts/0007-spi-omap2-mcspi-ti-pio-mode.patch"
 
 	if [ "x${regenerate}" = "xenable" ] ; then
-		number=6
+		number=7
 		cleanup
 	fi
 

patches/beaglebone/dts/0001-hack-bbb-enable-1ghz-operation.patch

@@ -1,7 +1,7 @@
-From e34a5809a40f2b23601000521c41cf95895bd9cd Mon Sep 17 00:00:00 2001
+From 8167813691dcf88abafe9346e870b2d4754bc336 Mon Sep 17 00:00:00 2001
 From: Robert Nelson <robertcnelson@gmail.com>
 Date: Thu, 4 Sep 2014 16:10:49 -0500
-Subject: [PATCH 1/6] hack: bbb enable 1ghz operation
+Subject: [PATCH 1/7] hack: bbb enable 1ghz operation
 
 Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
 ---
@@ -22,5 +22,5 @@ index 0e07186..c4f5e1e 100644
 
  /* From AM335x TRM, SPRUH73H, Section 9.3.50 */
 -- 
-2.6.1
+2.6.2
 

patches/beaglebone/dts/0002-dts-am335x-bone-common-fixup-leds-to-match-3.8.patch

@@ -1,7 +1,7 @@
-From 304eafaf5e058ddba9363b0970245711d8b45502 Mon Sep 17 00:00:00 2001
+From 1feade3c3bbca6fe0ca517895d6bc16a719a812e Mon Sep 17 00:00:00 2001
 From: Robert Nelson <robertcnelson@gmail.com>
 Date: Wed, 27 Aug 2014 13:56:37 -0500
-Subject: [PATCH 2/6] dts: am335x-bone-common: fixup leds to match 3.8
+Subject: [PATCH 2/7] dts: am335x-bone-common: fixup leds to match 3.8
 
 https://groups.google.com/d/msg/beagleboard/634Xm1m3XA8/B028x1FzAyAJ
 
@@ -33,5 +33,5 @@ index 07ee535..d6cc270 100644
  			linux,default-trigger = "mmc0";
  			default-state = "off";
 -- 
-2.6.1
+2.6.2
 

patches/beaglebone/dts/0003-arm-dts-am335x-bone-common-add-collision-and-carrier.patch

@@ -1,7 +1,7 @@
-From 04530b407535bb804f7514d22dd2a78a9e56788c Mon Sep 17 00:00:00 2001
+From 14a58082b7c4e9fd59935fb36f2c3e87a0fdf545 Mon Sep 17 00:00:00 2001
 From: Schuyler Patton <spatton@ti.com>
 Date: Mon, 5 Jan 2015 15:44:14 -0600
-Subject: [PATCH 3/6] arm: dts: am335x-bone-common: add collision and carrier
+Subject: [PATCH 3/7] arm: dts: am335x-bone-common: add collision and carrier
  sense pinmux
 
 Added pin mux definitions for collision and carrier sense errors coming
@@ -43,5 +43,5 @@ index d6cc270..24505cb 100644
  			0x114 (PIN_INPUT_PULLDOWN | MUX_MODE7)
  			0x118 (PIN_INPUT_PULLDOWN | MUX_MODE7)
 -- 
-2.6.1
+2.6.2
 

patches/beaglebone/dts/0004-add-am335x-bonegreen.patch

@@ -1,7 +1,7 @@
-From 17c56ecff840dc4c057a9498cca4b676f10df7ee Mon Sep 17 00:00:00 2001
+From b5f48c253f9154d97b17067a196b12e6b7a0bb67 Mon Sep 17 00:00:00 2001
 From: Robert Nelson <robertcnelson@gmail.com>
 Date: Fri, 26 Jun 2015 20:01:09 -0500
-Subject: [PATCH 4/6] add: am335x-bonegreen
+Subject: [PATCH 4/7] add: am335x-bonegreen
 
 Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
 ---
@@ -54,5 +54,5 @@ index 0000000..5de96f1
 +	status = "okay";
 +};
 -- 
-2.6.1
+2.6.2
 

patches/beaglebone/dts/0005-add-overlay-dtb.patch

@@ -1,7 +1,7 @@
-From 79f0f15781b5d8967d605c282855881d9346ac35 Mon Sep 17 00:00:00 2001
+From ea0ec999d36c89db25bcc1704f1a2b1c201e9859 Mon Sep 17 00:00:00 2001
 From: Robert Nelson <robertcnelson@gmail.com>
 Date: Thu, 21 May 2015 10:37:56 -0500
-Subject: [PATCH 5/6] add overlay dtb
+Subject: [PATCH 5/7] add overlay dtb
 
 Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
 ---
@@ -46,5 +46,5 @@ index 0000000..8206843
 +	vmmc-supply = <&vmmcsd_fixed>;
 +};
 -- 
-2.6.1
+2.6.2
 

patches/beaglebone/dts/0006-tps65217-Enable-KEY_POWER-press-on-AC-loss-PWR_BUT.patch

@@ -1,7 +1,7 @@
-From 17299a9356f0fcf8978fe2ba36e8a193b2c231d4 Mon Sep 17 00:00:00 2001
+From 46a58c40a82d9a27c3673df046a7062f9611fa38 Mon Sep 17 00:00:00 2001
 From: Robert Nelson <robertcnelson@gmail.com>
 Date: Mon, 26 Oct 2015 11:42:13 -0500
-Subject: [PATCH 6/6] tps65217: Enable KEY_POWER press on AC loss / PWR_BUT
+Subject: [PATCH 6/7] tps65217: Enable KEY_POWER press on AC loss / PWR_BUT
 
 This is an adaption to v3.14.x of the original patch by Andrew Bradford <andrew.bradford@omni-id.com>
 Some minor devm_* changes and DT support done by Pantelis Antoniou <panto@antoniou-consulting.com> for 3.8.x
@@ -211,5 +211,5 @@ index ac7fba4..05d24a6 100644
 
  static inline struct tps65217 *dev_to_tps65217(struct device *dev)
 -- 
-2.6.1
+2.6.2
 

patches/beaglebone/dts/0007-spi-omap2-mcspi-ti-pio-mode.patch

@@ -0,0 +1,85 @@
+From a31d64985220133547cfe124441dc995954b16df Mon Sep 17 00:00:00 2001
+From: Robert Nelson <robertcnelson@gmail.com>
+Date: Thu, 5 Nov 2015 09:30:35 -0600
+Subject: [PATCH 7/7] spi-omap2-mcspi: ti,pio-mode
+
+Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
+---
+ Documentation/devicetree/bindings/spi/omap-spi.txt | 1 +
+ drivers/spi/spi-omap2-mcspi.c                      | 8 ++++++++
+ include/linux/platform_data/spi-omap2-mcspi.h      | 2 ++
+ 3 files changed, 11 insertions(+)
+
+diff --git a/Documentation/devicetree/bindings/spi/omap-spi.txt b/Documentation/devicetree/bindings/spi/omap-spi.txt
+index 2ba5f9c..5bec29a 100644
+--- a/Documentation/devicetree/bindings/spi/omap-spi.txt
++++ b/Documentation/devicetree/bindings/spi/omap-spi.txt
+@@ -18,6 +18,7 @@ Optional properties:
+ 	1:1 with the DMA specifiers listed in dmas. The string naming
+ 	is to be "rxN" and "txN" for RX and TX requests,
+ 	respectively, where N equals the chip select number.
++- ti,pio-mode: disable dma
+
+ Examples:
+
+diff --git a/drivers/spi/spi-omap2-mcspi.c b/drivers/spi/spi-omap2-mcspi.c
+index 3d09e0b..10018a5 100644
+--- a/drivers/spi/spi-omap2-mcspi.c
++++ b/drivers/spi/spi-omap2-mcspi.c
+@@ -139,6 +139,7 @@ struct omap2_mcspi {
+ 	struct omap2_mcspi_regs ctx;
+ 	int			fifo_depth;
+ 	unsigned int		pin_dir:1;
++	unsigned int		pio_mode:1;
+ };
+
+ struct omap2_mcspi_cs {
+@@ -976,6 +977,9 @@ static int omap2_mcspi_request_dma(struct spi_device *spi)
+ 	dma_cap_set(DMA_SLAVE, mask);
+ 	sig = mcspi_dma->dma_rx_sync_dev;
+
++	if (mcspi->pio_mode == MCSPI_PIO_MODE)
++		goto no_dma;
++
+ 	mcspi_dma->dma_rx =
+ 		dma_request_slave_channel_compat(mask, omap_dma_filter_fn,
+ 						 &sig, &master->dev,
+@@ -1356,6 +1360,8 @@ static int omap2_mcspi_probe(struct platform_device *pdev)
+ 	mcspi = spi_master_get_devdata(master);
+ 	mcspi->master = master;
+
++	mcspi->pio_mode = 0;
++
+ 	match = of_match_device(omap_mcspi_of_match, &pdev->dev);
+ 	if (match) {
+ 		u32 num_cs = 1; /* default number of chipselect */
+@@ -1366,6 +1372,8 @@ static int omap2_mcspi_probe(struct platform_device *pdev)
+ 		master->bus_num = bus_num++;
+ 		if (of_get_property(node, "ti,pindir-d0-out-d1-in", NULL))
+ 			mcspi->pin_dir = MCSPI_PINDIR_D0_OUT_D1_IN;
++		if (of_get_property(node, "ti,pio-mode", NULL))
++			mcspi->pio_mode = MCSPI_PIO_MODE;
+ 	} else {
+ 		pdata = dev_get_platdata(&pdev->dev);
+ 		master->num_chipselect = pdata->num_cs;
+diff --git a/include/linux/platform_data/spi-omap2-mcspi.h b/include/linux/platform_data/spi-omap2-mcspi.h
+index c100456..898db7e 100644
+--- a/include/linux/platform_data/spi-omap2-mcspi.h
++++ b/include/linux/platform_data/spi-omap2-mcspi.h
+@@ -9,11 +9,13 @@
+
+ #define MCSPI_PINDIR_D0_IN_D1_OUT	0
+ #define MCSPI_PINDIR_D0_OUT_D1_IN	1
++#define MCSPI_PIO_MODE 1
+
+ struct omap2_mcspi_platform_config {
+ 	unsigned short	num_cs;
+ 	unsigned int regs_offset;
+ 	unsigned int pin_dir:1;
++	unsigned int pio_mode:1;
+ };
+
+ struct omap2_mcspi_dev_attr {
+-- 
+2.6.2
+

version.sh

@@ -16,7 +16,7 @@ toolchain="gcc_linaro_gnueabihf_5"
 #Kernel/Build
 KERNEL_REL=4.3
 KERNEL_TAG=${KERNEL_REL}
-BUILD=bone1.4
+BUILD=bone1.5
 kernel_rt=".X-rtY"
 
 #v4.X-rcX + upto SHA