[PATCH v4 0/7] ASoC: davinci-mcbsp: add binding for McBSP

[PATCH v4 0/7] ASoC: davinci-mcbsp: add binding for McBSP

[Petr Kulhavy]

This series of patches adds devicetree support for the davinci McBSP audio
interface.

Changes in version 4 of the patch:

* minor correction in the binding example ("interrupt names")
* re-added index note to the "mpu" property.
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[PATCH v4 1/7] ASoC: davinci-mcbsp: add binding for McBSP

[Petr Kulhavy]

Add devicetree binding for the TI DA850/OMAP-L138/AM18xx
MultiChannel Buffered Serial Port (McBSP)

The optional register range "dat" is not implemented at the moment.
The current driver supports only DMA into RX/TX registers but no FIFO.
Once the FIFO is implemented in the driver the "dat" range will be used.

Signed-off-by: Petr Kulhavy <petr-Qh/3xLP0EvwAvxtiuMwx3w@public.gmane.org>
---
v1: initial
v2: add missing TC channel in dmas properties (for compatibility with the new EDMA3 binding)
    remove "-audio" postfix from the compatible string
    remove "channel-combine" property
v3: remove the index note from the "mpu" property.
    specify exactly the supported platforms in compatible string
v4: minor correction in the example ("interrupt names"), re-added index note to the "mpu" property.

 .../devicetree/bindings/sound/davinci-mcbsp.txt    | 52 ++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/davinci-mcbsp.txt

diff --git a/Documentation/devicetree/bindings/sound/davinci-mcbsp.txt b/Documentation/devicetree/bindings/sound/davinci-mcbsp.txt
new file mode 100644
index 000000000000..bb957129b333
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/davinci-mcbsp.txt
@@ -0,0 +1,52 @@
+Texas Instruments DaVinci McBSP module
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+This binding describes the "Multi-channel Buffered Serial Port" (McBSP)
+audio interface found in some TI DaVinci processors like the OMAP-L138 or AM180x.
+
+
+Required properties:
+~~~~~~~~~~~~~~~~~~~~
+- compatible :
+        "ti,da850-mcbsp" : for DA850, AM180x and OPAM-L138 platforms
+
+- reg : physical base address and length of the controller memory mapped
+        region(s).
+- reg-names : Should contain:
+        * "mpu" for the main registers (required). For compatibility
+          with the existing software, this is required to be the first entry.
+        * "dat" for the data FIFO (optional).
+
+- dmas: three element list of DMA controller phandles, DMA request line and
+	TC channel ordered triplets.
+- dma-names: identifier string for each DMA request line in the dmas property.
+	These strings correspond 1:1 with the ordered pairs in dmas. The dma
+	identifiers must be "rx" and "tx".
+
+Optional properties:
+~~~~~~~~~~~~~~~~~~~~
+- interrupts : Interrupt numbers for McBSP
+- interrupt-names : Known interrupt names are "rx" and "tx"
+
+- pinctrl-0: Should specify pin control group used for this controller.
+- pinctrl-names: Should contain only one value - "default", for more details
+        please refer to pinctrl-bindings.txt
+
+Example (AM1808):
+~~~~~~~~~~~~~~~~~
+
+mcbsp0: mcbsp@1d10000 {
+	compatible = "ti,da850-mcbsp";
+	pinctrl-names = "default";
+	pinctrl-0 = <&mcbsp0_pins>;
+
+	reg = 	<0x00110000 0x1000>,
+		<0x00310000 0x1000>;
+	reg-names = "mpu", "dat";
+	interrupts = <97 98>;
+	interrupt-names = "rx", "tx";
+	dmas = <&edma0 3 1
+		&edma0 2 1>;
+	dma-names = "tx", "rx";
+	status = "okay";
+};
-- 
1.9.1

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[PATCH v4 2/7] ASoC: Davinci: McBSP: add device tree support for McBSP

[Petr Kulhavy]

This adds DT support for the TI DA8xx/OMAP-L1x/AM17xx/AM18xx McBSP driver.

Signed-off-by: Petr Kulhavy <petr-Qh/3xLP0EvwAvxtiuMwx3w@public.gmane.org>
---
v1: initial
v2: remove "-audio" postfix from the compatible string
    of_match_table renamed consistently with the rest of the file (davinci_i2s_match)
    "channel-combine" property removed
    devicetree DMA configuration in probe simplified
v3: remove the unused platform data
v4: no change

 sound/soc/davinci/Kconfig       |  6 +++-
 sound/soc/davinci/davinci-i2s.c | 80 +++++++++++++++++++++++++++--------------
 2 files changed, 59 insertions(+), 27 deletions(-)

diff --git a/sound/soc/davinci/Kconfig b/sound/soc/davinci/Kconfig
index 50ca291cc225..6b732d8e5896 100644
--- a/sound/soc/davinci/Kconfig
+++ b/sound/soc/davinci/Kconfig
@@ -16,7 +16,11 @@ config SND_EDMA_SOC
 	  - DRA7xx family
 
 config SND_DAVINCI_SOC_I2S
-	tristate
+	tristate "DaVinci Multichannel Buffered Serial Port (McBSP) support"
+	depends on SND_EDMA_SOC
+	help
+	  Say Y or M here if you want to have support for McBSP IP found in
+	  Texas Instruments DaVinci DA850 SoCs.
 
 config SND_DAVINCI_SOC_MCASP
 	tristate "Multichannel Audio Serial Port (McASP) support"
diff --git a/sound/soc/davinci/davinci-i2s.c b/sound/soc/davinci/davinci-i2s.c
index ec98548a5fc9..384961651904 100644
--- a/sound/soc/davinci/davinci-i2s.c
+++ b/sound/soc/davinci/davinci-i2s.c
@@ -4,9 +4,15 @@
  * Author:      Vladimir Barinov, <vbarinov-L1vi/lXTdtvkgf6YlCu6wwC/G2K4zDHf@public.gmane.org>
  * Copyright:   (C) 2007 MontaVista Software, Inc., <source-Igf4POYTYCDQT0dZR+AlfA@public.gmane.org>
  *
+ * DT support	(c) 2016 Petr Kulhavy, Barix AG <petr-Qh/3xLP0EvwAvxtiuMwx3w@public.gmane.org>
+ *		based on davinci-mcasp.c DT support
+ *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
+ *
+ * TODO:
+ * on DA850 implement HW FIFOs instead of DMA into DXR and DRR registers
  */
 
 #include <linux/init.h>
@@ -650,13 +656,24 @@ static const struct snd_soc_component_driver davinci_i2s_component = {
 
 static int davinci_i2s_probe(struct platform_device *pdev)
 {
+	struct snd_dmaengine_dai_dma_data *dma_data;
 	struct davinci_mcbsp_dev *dev;
 	struct resource *mem, *res;
 	void __iomem *io_base;
 	int *dma;
 	int ret;
 
-	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	mem = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mpu");
+	if (!mem) {
+		dev_warn(&pdev->dev,
+			 "\"mpu\" mem resource not found, using index 0\n");
+		mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+		if (!mem) {
+			dev_err(&pdev->dev, "no mem resource?\n");
+			return -ENODEV;
+		}
+	}
+
 	io_base = devm_ioremap_resource(&pdev->dev, mem);
 	if (IS_ERR(io_base))
 		return PTR_ERR(io_base);
@@ -666,39 +683,43 @@ static int davinci_i2s_probe(struct platform_device *pdev)
 	if (!dev)
 		return -ENOMEM;
 
-	dev->clk = clk_get(&pdev->dev, NULL);
-	if (IS_ERR(dev->clk))
-		return -ENODEV;
-	clk_enable(dev->clk);
-
 	dev->base = io_base;
 
-	dev->dma_data[SNDRV_PCM_STREAM_PLAYBACK].addr =
-	    (dma_addr_t)(mem->start + DAVINCI_MCBSP_DXR_REG);
+	/* setup DMA, first TX, then RX */
+	dma_data = &dev->dma_data[SNDRV_PCM_STREAM_PLAYBACK];
+	dma_data->addr = (dma_addr_t)(mem->start + DAVINCI_MCBSP_DXR_REG);
 
-	dev->dma_data[SNDRV_PCM_STREAM_CAPTURE].addr =
-	    (dma_addr_t)(mem->start + DAVINCI_MCBSP_DRR_REG);
-
-	/* first TX, then RX */
 	res = platform_get_resource(pdev, IORESOURCE_DMA, 0);
-	if (!res) {
-		dev_err(&pdev->dev, "no DMA resource\n");
-		ret = -ENXIO;
-		goto err_release_clk;
+	if (res) {
+		dma = &dev->dma_request[SNDRV_PCM_STREAM_PLAYBACK];
+		*dma = res->start;
+		dma_data->filter_data = dma;
+	} else if (IS_ENABLED(CONFIG_OF) && pdev->dev.of_node) {
+		dma_data->filter_data = "tx";
+	} else {
+		dev_err(&pdev->dev, "Missing DMA tx resource\n");
+		return -ENODEV;
 	}
-	dma = &dev->dma_request[SNDRV_PCM_STREAM_PLAYBACK];
-	*dma = res->start;
-	dev->dma_data[SNDRV_PCM_STREAM_PLAYBACK].filter_data = dma;
+
+	dma_data = &dev->dma_data[SNDRV_PCM_STREAM_CAPTURE];
+	dma_data->addr = (dma_addr_t)(mem->start + DAVINCI_MCBSP_DRR_REG);
 
 	res = platform_get_resource(pdev, IORESOURCE_DMA, 1);
-	if (!res) {
-		dev_err(&pdev->dev, "no DMA resource\n");
-		ret = -ENXIO;
-		goto err_release_clk;
+	if (res) {
+		dma = &dev->dma_request[SNDRV_PCM_STREAM_CAPTURE];
+		*dma = res->start;
+		dma_data->filter_data = dma;
+	} else if (IS_ENABLED(CONFIG_OF) && pdev->dev.of_node) {
+		dma_data->filter_data = "rx";
+	} else {
+		dev_err(&pdev->dev, "Missing DMA rx resource\n");
+		return -ENODEV;
 	}
-	dma = &dev->dma_request[SNDRV_PCM_STREAM_CAPTURE];
-	*dma = res->start;
-	dev->dma_data[SNDRV_PCM_STREAM_CAPTURE].filter_data = dma;
+
+	dev->clk = clk_get(&pdev->dev, NULL);
+	if (IS_ERR(dev->clk))
+		return -ENODEV;
+	clk_enable(dev->clk);
 
 	dev->dev = &pdev->dev;
 	dev_set_drvdata(&pdev->dev, dev);
@@ -737,11 +758,18 @@ static int davinci_i2s_remove(struct platform_device *pdev)
 	return 0;
 }
 
+static const struct of_device_id davinci_i2s_match[] = {
+	{ .compatible = "ti,da850-mcbsp" },
+	{},
+};
+MODULE_DEVICE_TABLE(of, davinci_i2s_match);
+
 static struct platform_driver davinci_mcbsp_driver = {
 	.probe		= davinci_i2s_probe,
 	.remove		= davinci_i2s_remove,
 	.driver		= {
 		.name	= "davinci-mcbsp",
+		.of_match_table = of_match_ptr(davinci_i2s_match),
 	},
 };
 
-- 
1.9.1

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[PATCH v4 3/7] ARM: davinci: da850: add clocks for mcbsp0 and 1

[Petr Kulhavy]

Add clock definitions "davinci-mcbsp.0" and "davinci-mcbsp.1" in order
to make McBSP driver work on the DA850 platform.

The McBSP 0 and 1 interfaces were not defined for the DA850 platform.
Neither were the related clocks. In order to make the use of McBSP via
devicetree the clocks need to be defined.

Signed-off-by: Petr Kulhavy <petr-Qh/3xLP0EvwAvxtiuMwx3w@public.gmane.org>
---
v1: initial
v2: no change
v3: no change
v4: no change

 arch/arm/mach-davinci/da850.c | 16 ++++++++++++++++
 arch/arm/mach-davinci/psc.h   |  2 ++
 2 files changed, 18 insertions(+)

diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
index 97d8779a9a65..2b9d972e30ac 100644
--- a/arch/arm/mach-davinci/da850.c
+++ b/arch/arm/mach-davinci/da850.c
@@ -306,6 +306,20 @@ static struct clk mcasp_clk = {
 	.flags		= DA850_CLK_ASYNC3,
 };
 
+static struct clk mcbsp0_clk = {
+	.name		= "mcbsp0",
+	.parent		= &pll1_sysclk2,
+	.lpsc		= DA850_LPSC1_McBSP0,
+	.gpsc		= 1,
+};
+
+static struct clk mcbsp1_clk = {
+	.name		= "mcbsp1",
+	.parent		= &pll1_sysclk2,
+	.lpsc		= DA850_LPSC1_McBSP1,
+	.gpsc		= 1,
+};
+
 static struct clk lcdc_clk = {
 	.name		= "lcdc",
 	.parent		= &pll0_sysclk2,
@@ -464,6 +478,8 @@ static struct clk_lookup da850_clks[] = {
 	CLK("davinci_emac.1",	NULL,		&emac_clk),
 	CLK("davinci_mdio.0",	"fck",		&emac_clk),
 	CLK("davinci-mcasp.0",	NULL,		&mcasp_clk),
+	CLK("davinci-mcbsp.0",	NULL,		&mcbsp0_clk),
+	CLK("davinci-mcbsp.1",	NULL,		&mcbsp1_clk),
 	CLK("da8xx_lcdc.0",	"fck",		&lcdc_clk),
 	CLK("da830-mmc.0",	NULL,		&mmcsd0_clk),
 	CLK("da830-mmc.1",	NULL,		&mmcsd1_clk),
diff --git a/arch/arm/mach-davinci/psc.h b/arch/arm/mach-davinci/psc.h
index 99d47cfa301f..8af9f09fc10c 100644
--- a/arch/arm/mach-davinci/psc.h
+++ b/arch/arm/mach-davinci/psc.h
@@ -171,6 +171,8 @@
 #define DA8XX_LPSC1_I2C			11
 #define DA8XX_LPSC1_UART1		12
 #define DA8XX_LPSC1_UART2		13
+#define DA850_LPSC1_McBSP0		14
+#define DA850_LPSC1_McBSP1		15
 #define DA8XX_LPSC1_LCDC		16
 #define DA8XX_LPSC1_PWM			17
 #define DA850_LPSC1_MMC_SD1		18
-- 
1.9.1

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[PATCH v4 4/7] ARM: davinci: da8xx-dt: add OF_DEV_AUXDATA entries for mcbsp0 and mcbsp1

[Petr Kulhavy]

Add OF_DEV_AUXDATA for mcbsp to be able to use clocks.

Signed-off-by: Petr Kulhavy <petr-Qh/3xLP0EvwAvxtiuMwx3w@public.gmane.org>
---
v1: initial
v2: remove "-audio" postfix from the compatible string
v3: no change
v4: no change

 arch/arm/mach-davinci/da8xx-dt.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/arch/arm/mach-davinci/da8xx-dt.c b/arch/arm/mach-davinci/da8xx-dt.c
index c4b5808ca7c1..d2f5bfbba629 100644
--- a/arch/arm/mach-davinci/da8xx-dt.c
+++ b/arch/arm/mach-davinci/da8xx-dt.c
@@ -45,8 +45,11 @@ static struct of_dev_auxdata da850_auxdata_lookup[] __initdata = {
 	OF_DEV_AUXDATA("ns16550a", 0x01d0d000, "serial8250.2", NULL),
 	OF_DEV_AUXDATA("ti,davinci_mdio", 0x01e24000, "davinci_mdio.0", NULL),
 	OF_DEV_AUXDATA("ti,davinci-dm6467-emac", 0x01e20000, "davinci_emac.1",
-		       NULL),
-	OF_DEV_AUXDATA("ti,da830-mcasp-audio", 0x01d00000, "davinci-mcasp.0", NULL),
+			NULL),
+	OF_DEV_AUXDATA("ti,da830-mcasp-audio", 0x01d00000, "davinci-mcasp.0",
+			NULL),
+	OF_DEV_AUXDATA("ti,da850-mcbsp", 0x01d10000, "davinci-mcbsp.0", NULL),
+	OF_DEV_AUXDATA("ti,da850-mcbsp", 0x01d11000, "davinci-mcbsp.1", NULL),
 	{}
 };
 
-- 
1.9.1

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[PATCH v4 5/7] ARM: DTS: da850: Fix wrong number of interrupts

[Petr Kulhavy]

The DA850 supports interrupts 0 to 100. The number of interrupts
property "ti,intc-size" was wrongly set to 100. Corrected to 101.

Signed-off-by: Petr Kulhavy <petr-Qh/3xLP0EvwAvxtiuMwx3w@public.gmane.org>
---
v1: initial
v2: no change
v3: no change
v4: no change

 arch/arm/boot/dts/da850.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dtsi
index 226cda76e77c..5996e765e59c 100644
--- a/arch/arm/boot/dts/da850.dtsi
+++ b/arch/arm/boot/dts/da850.dtsi
@@ -19,7 +19,7 @@
 			compatible = "ti,cp-intc";
 			interrupt-controller;
 			#interrupt-cells = <1>;
-			ti,intc-size = <100>;
+			ti,intc-size = <101>;
 			reg = <0xfffee000 0x2000>;
 		};
 	};
-- 
1.9.1

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[PATCH v4 6/7] ARM: DTS: da850: Add McBSP0 and McBSP1

[Petr Kulhavy]

Add SoC nodes for McBSP0 and McBSP1 as well as the corresponding pinmux
configurations.

Signed-off-by: Petr Kulhavy <petr-Qh/3xLP0EvwAvxtiuMwx3w@public.gmane.org>
---
v1: initial
v2: add missing TC channel in dmas properties (for compatibility with the new EDMA3 binding)
    remove "-audio" postfix from the compatible string
v3: no change
v4: no change

 arch/arm/boot/dts/da850.dtsi | 45 +++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 44 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dtsi
index 5996e765e59c..708d48e1b6d1 100644
--- a/arch/arm/boot/dts/da850.dtsi
+++ b/arch/arm/boot/dts/da850.dtsi
@@ -148,7 +148,24 @@
 					0xc 0x88888888 0xffffffff
 				>;
 			};
-
+			mcbsp0_pins: pinmux_mcbsp0_pins {
+				pinctrl-single,bits = <
+					/* PINMUX2:
+					* CLKS0, DX0, DR0, FSX0
+					* FSR0, CLKX0, CLKR0
+					*/
+					0x8 0x02222220 0xfffffff0
+				>;
+			};
+			mcbsp1_pins: pinmux_mcbsp1_pins {
+				pinctrl-single,bits = <
+					/* PINMUX1:
+					* CLKS1, DX1, DR1, FSX1,
+					* FSR1, CLKX1, CLKR1
+					*/
+					0x4 0x22222220 0xfffffff0
+				>;
+			};
 		};
 		edma0: edma@01c00000 {
 			compatible = "ti,edma3-tpcc";
@@ -335,6 +352,32 @@
 				<&edma0 0 1>;
 			dma-names = "tx", "rx";
 		};
+
+		mcbsp0: mcbsp@1d10000 {
+			compatible = "ti,da850-mcbsp";
+			reg =	<0x00110000 0x1000>,
+				<0x00310000 0x1000>;
+			reg-names = "mpu", "dat";
+			interrupts = <97 98>;
+			interrupts-names = "rx", "tx";
+			dmas = <&edma0 3 1
+				&edma0 2 1>;
+			dma-names = "tx", "rx";
+			status = "disabled";
+		};
+		mcbsp1: mcbsp@1d11000 {
+			compatible = "ti,da850-mcbsp";
+			reg =	<0x00111000 0x1000>,
+				<0x00311000 0x1000>;
+			reg-names = "mpu", "dat";
+			interrupts = <99 100>;
+			interrupts-names = "rx", "tx";
+			dmas = <&edma0 5 1
+				&edma0 4 1>;
+			dma-names = "tx", "rx";
+			status = "disabled";
+		};
+
 	};
 	nand_cs3@62000000 {
 		compatible = "ti,davinci-nand";
-- 
1.9.1

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[PATCH v4 7/7] ARM: davinci: remove unused davinci-i2s pdata

[Petr Kulhavy]

The davinci-i2s driver ("davinci-mcbsp") does not use platform
data any longer. Remove the dummy pdata provided by the board
drivers dm355, dm365, dm644x and neuros-osd2.

Signed-off-by: Petr Kulhavy <petr-Qh/3xLP0EvwAvxtiuMwx3w@public.gmane.org>
---
v3: initial
v4: no change

 arch/arm/mach-davinci/board-dm355-evm.c   | 4 +---
 arch/arm/mach-davinci/board-dm365-evm.c   | 6 +-----
 arch/arm/mach-davinci/board-dm644x-evm.c  | 4 +---
 arch/arm/mach-davinci/board-neuros-osd2.c | 4 +---
 arch/arm/mach-davinci/davinci.h           | 6 +++---
 arch/arm/mach-davinci/dm355.c             | 3 +--
 arch/arm/mach-davinci/dm365.c             | 3 +--
 arch/arm/mach-davinci/dm644x.c            | 3 +--
 8 files changed, 10 insertions(+), 23 deletions(-)

diff --git a/arch/arm/mach-davinci/board-dm355-evm.c b/arch/arm/mach-davinci/board-dm355-evm.c
index 1844076f6403..18296a99c4d2 100644
--- a/arch/arm/mach-davinci/board-dm355-evm.c
+++ b/arch/arm/mach-davinci/board-dm355-evm.c
@@ -115,8 +115,6 @@ static struct davinci_i2c_platform_data i2c_pdata = {
 	.scl_pin        = 14,
 };
 
-static struct snd_platform_data dm355_evm_snd_data;
-
 static int dm355evm_mmc_gpios = -EINVAL;
 
 static void dm355evm_mmcsd_gpios(unsigned gpio)
@@ -411,7 +409,7 @@ static __init void dm355_evm_init(void)
 			ARRAY_SIZE(dm355_evm_spi_info));
 
 	/* DM335 EVM uses ASP1; line-out is a stereo mini-jack */
-	dm355_init_asp1(ASP1_TX_EVT_EN | ASP1_RX_EVT_EN, &dm355_evm_snd_data);
+	dm355_init_asp1(ASP1_TX_EVT_EN | ASP1_RX_EVT_EN);
 }
 
 MACHINE_START(DAVINCI_DM355_EVM, "DaVinci DM355 EVM")
diff --git a/arch/arm/mach-davinci/board-dm365-evm.c b/arch/arm/mach-davinci/board-dm365-evm.c
index f073518f621a..e832949bc767 100644
--- a/arch/arm/mach-davinci/board-dm365-evm.c
+++ b/arch/arm/mach-davinci/board-dm365-evm.c
@@ -176,10 +176,6 @@ static struct at24_platform_data eeprom_info = {
 	.context	= (void *)0x7f00,
 };
 
-static struct snd_platform_data dm365_evm_snd_data __maybe_unused = {
-	.asp_chan_q = EVENTQ_3,
-};
-
 static struct i2c_board_info i2c_info[] = {
 	{
 		I2C_BOARD_INFO("24c256", 0x50),
@@ -763,7 +759,7 @@ static __init void dm365_evm_init(void)
 	evm_init_cpld();
 
 #ifdef CONFIG_SND_DM365_AIC3X_CODEC
-	dm365_init_asp(&dm365_evm_snd_data);
+	dm365_init_asp();
 #elif defined(CONFIG_SND_DM365_VOICE_CODEC)
 	dm365_init_vc(&dm365_evm_snd_data);
 #endif
diff --git a/arch/arm/mach-davinci/board-dm644x-evm.c b/arch/arm/mach-davinci/board-dm644x-evm.c
index 68cc09907828..96a9528e373e 100644
--- a/arch/arm/mach-davinci/board-dm644x-evm.c
+++ b/arch/arm/mach-davinci/board-dm644x-evm.c
@@ -264,8 +264,6 @@ static struct platform_device rtc_dev = {
 	.id             = -1,
 };
 
-static struct snd_platform_data dm644x_evm_snd_data;
-
 /*----------------------------------------------------------------------*/
 #ifdef CONFIG_I2C
 /*
@@ -799,7 +797,7 @@ static __init void davinci_evm_init(void)
 	dm644x_init_video(&dm644xevm_capture_cfg, &dm644xevm_display_cfg);
 
 	davinci_serial_init(dm644x_serial_device);
-	dm644x_init_asp(&dm644x_evm_snd_data);
+	dm644x_init_asp();
 
 	/* irlml6401 switches over 1A, in under 8 msec */
 	davinci_setup_usb(1000, 8);
diff --git a/arch/arm/mach-davinci/board-neuros-osd2.c b/arch/arm/mach-davinci/board-neuros-osd2.c
index 8fcdcf87c47c..ad10017203c1 100644
--- a/arch/arm/mach-davinci/board-neuros-osd2.c
+++ b/arch/arm/mach-davinci/board-neuros-osd2.c
@@ -127,8 +127,6 @@ static struct platform_device davinci_fb_device = {
 	.num_resources = 0,
 };
 
-static struct snd_platform_data dm644x_ntosd2_snd_data;
-
 static struct gpio_led ntosd2_leds[] = {
 	{ .name = "led1_green", .gpio = GPIO(10), },
 	{ .name = "led1_red",   .gpio = GPIO(11), },
@@ -200,7 +198,7 @@ static __init void davinci_ntosd2_init(void)
 				ARRAY_SIZE(davinci_ntosd2_devices));
 
 	davinci_serial_init(dm644x_serial_device);
-	dm644x_init_asp(&dm644x_ntosd2_snd_data);
+	dm644x_init_asp();
 
 	soc_info->emac_pdata->phy_id = NEUROS_OSD2_PHY_ID;
 
diff --git a/arch/arm/mach-davinci/davinci.h b/arch/arm/mach-davinci/davinci.h
index 4ffc37accce0..d1f8e29f1e30 100644
--- a/arch/arm/mach-davinci/davinci.h
+++ b/arch/arm/mach-davinci/davinci.h
@@ -85,13 +85,13 @@ int davinci_init_wdt(void);
 void dm355_init(void);
 void dm355_init_spi0(unsigned chipselect_mask,
 		const struct spi_board_info *info, unsigned len);
-void dm355_init_asp1(u32 evt_enable, struct snd_platform_data *pdata);
+void dm355_init_asp1(u32 evt_enable);
 int dm355_init_video(struct vpfe_config *, struct vpbe_config *);
 int dm355_gpio_register(void);
 
 /* DM365 function declarations */
 void dm365_init(void);
-void dm365_init_asp(struct snd_platform_data *pdata);
+void dm365_init_asp(void);
 void dm365_init_vc(struct snd_platform_data *pdata);
 void dm365_init_ks(struct davinci_ks_platform_data *pdata);
 void dm365_init_rtc(void);
@@ -102,7 +102,7 @@ int dm365_gpio_register(void);
 
 /* DM644x function declarations */
 void dm644x_init(void);
-void dm644x_init_asp(struct snd_platform_data *pdata);
+void dm644x_init_asp(void);
 int dm644x_init_video(struct vpfe_config *, struct vpbe_config *);
 int dm644x_gpio_register(void);
 
diff --git a/arch/arm/mach-davinci/dm355.c b/arch/arm/mach-davinci/dm355.c
index a0ecf499c2f2..7df583dc5b8f 100644
--- a/arch/arm/mach-davinci/dm355.c
+++ b/arch/arm/mach-davinci/dm355.c
@@ -1035,7 +1035,7 @@ static struct davinci_soc_info davinci_soc_info_dm355 = {
 	.sram_len		= SZ_32K,
 };
 
-void __init dm355_init_asp1(u32 evt_enable, struct snd_platform_data *pdata)
+void __init dm355_init_asp1(u32 evt_enable)
 {
 	/* we don't use ASP1 IRQs, or we'd need to mux them ... */
 	if (evt_enable & ASP1_TX_EVT_EN)
@@ -1044,7 +1044,6 @@ void __init dm355_init_asp1(u32 evt_enable, struct snd_platform_data *pdata)
 	if (evt_enable & ASP1_RX_EVT_EN)
 		davinci_cfg_reg(DM355_EVT9_ASP1_RX);
 
-	dm355_asp1_device.dev.platform_data = pdata;
 	platform_device_register(&dm355_asp1_device);
 }
 
diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c
index 384d3674dd9b..c37cd4478966 100644
--- a/arch/arm/mach-davinci/dm365.c
+++ b/arch/arm/mach-davinci/dm365.c
@@ -1138,7 +1138,7 @@ static struct davinci_soc_info davinci_soc_info_dm365 = {
 	.sram_len		= SZ_32K,
 };
 
-void __init dm365_init_asp(struct snd_platform_data *pdata)
+void __init dm365_init_asp(void)
 {
 	davinci_cfg_reg(DM365_MCBSP0_BDX);
 	davinci_cfg_reg(DM365_MCBSP0_X);
@@ -1148,7 +1148,6 @@ void __init dm365_init_asp(struct snd_platform_data *pdata)
 	davinci_cfg_reg(DM365_MCBSP0_BFSR);
 	davinci_cfg_reg(DM365_EVT2_ASP_TX);
 	davinci_cfg_reg(DM365_EVT3_ASP_RX);
-	dm365_asp_device.dev.platform_data = pdata;
 	platform_device_register(&dm365_asp_device);
 }
 
diff --git a/arch/arm/mach-davinci/dm644x.c b/arch/arm/mach-davinci/dm644x.c
index b4b3a8b9ca20..64cd1087679a 100644
--- a/arch/arm/mach-davinci/dm644x.c
+++ b/arch/arm/mach-davinci/dm644x.c
@@ -921,10 +921,9 @@ static struct davinci_soc_info davinci_soc_info_dm644x = {
 	.sram_len		= SZ_16K,
 };
 
-void __init dm644x_init_asp(struct snd_platform_data *pdata)
+void __init dm644x_init_asp(void)
 {
 	davinci_cfg_reg(DM644X_MCBSP);
-	dm644x_asp_device.dev.platform_data = pdata;
 	platform_device_register(&dm644x_asp_device);
 }
 
-- 
1.9.1

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Re: [PATCH v4 1/7] ASoC: davinci-mcbsp: add binding for McBSP

[Rob Herring]

On Fri, Apr 22, 2016 at 02:20:11PM +0200, Petr Kulhavy wrote:
> Add devicetree binding for the TI DA850/OMAP-L138/AM18xx
> MultiChannel Buffered Serial Port (McBSP)
> 
> The optional register range "dat" is not implemented at the moment.
> The current driver supports only DMA into RX/TX registers but no FIFO.
> Once the FIFO is implemented in the driver the "dat" range will be used.
> 
> Signed-off-by: Petr Kulhavy <petr-Qh/3xLP0EvwAvxtiuMwx3w@public.gmane.org>
> ---
> v1: initial
> v2: add missing TC channel in dmas properties (for compatibility with the new EDMA3 binding)
>     remove "-audio" postfix from the compatible string
>     remove "channel-combine" property
> v3: remove the index note from the "mpu" property.
>     specify exactly the supported platforms in compatible string
> v4: minor correction in the example ("interrupt names"), re-added index note to the "mpu" property.
> 
>  .../devicetree/bindings/sound/davinci-mcbsp.txt    | 52 ++++++++++++++++++++++
>  1 file changed, 52 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/sound/davinci-mcbsp.txt

Acked-by: Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
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Re: [PATCH v4 0/7] ASoC: davinci-mcbsp: add binding for McBSP

[Petr Kulhavy]

On 22.04.2016 14:20, Petr Kulhavy wrote:
> This series of patches adds devicetree support for the davinci McBSP audio
> interface.
>
> Changes in version 4 of the patch:
>
> * minor correction in the binding example ("interrupt names")
> * re-added index note to the "mpu" property.

Hi,

I'm just wondering if anybody is picking up on this.
Peter has reviewed the patch set (v3 where the code is identical to v4) 
and Rob has acked the DT part.

Thanks!
Petr
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Re: [PATCH v4 5/7] ARM: DTS: da850: Fix wrong number of interrupts

[Sekhar Nori]

On Friday 22 April 2016 05:50 PM, Petr Kulhavy wrote:
> The DA850 supports interrupts 0 to 100. The number of interrupts
> property "ti,intc-size" was wrongly set to 100. Corrected to 101.
> 
> Signed-off-by: Petr Kulhavy <petr-Qh/3xLP0EvwAvxtiuMwx3w@public.gmane.org>

This patch is already in my tree and sent for inclusion in v4.7.

Regards,
Sekhar

> ---
> v1: initial
> v2: no change
> v3: no change
> v4: no change
> 
>  arch/arm/boot/dts/da850.dtsi | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dtsi
> index 226cda76e77c..5996e765e59c 100644
> --- a/arch/arm/boot/dts/da850.dtsi
> +++ b/arch/arm/boot/dts/da850.dtsi
> @@ -19,7 +19,7 @@
>  			compatible = "ti,cp-intc";
>  			interrupt-controller;
>  			#interrupt-cells = <1>;
> -			ti,intc-size = <100>;
> +			ti,intc-size = <101>;
>  			reg = <0xfffee000 0x2000>;
>  		};
>  	};
> 

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Re: [PATCH v4 0/7] ASoC: davinci-mcbsp: add binding for McBSP

[Sekhar Nori]

On Tuesday 03 May 2016 05:53 PM, Petr Kulhavy wrote:
> 
> On 22.04.2016 14:20, Petr Kulhavy wrote:
>> This series of patches adds devicetree support for the davinci McBSP
>> audio
>> interface.
>>
>> Changes in version 4 of the patch:
>>
>> * minor correction in the binding example ("interrupt names")
>> * re-added index note to the "mpu" property.
> 
> Hi,
> 
> I'm just wondering if anybody is picking up on this.
> Peter has reviewed the patch set (v3 where the code is identical to v4)
> and Rob has acked the DT part.

For the mach-davinci portions, I was actually waiting on the driver
changes to be accepted first. I have already sent my pull request for
v4.7. I am afraid these have to wait for v4.8.

Also, I just noticed that linux-arm-kernel-xBCQruHUn5ppWr+L1FloEB2eb7JE58TQ@public.gmane.org was not
copied on the submission. That list must be copied on all mach-davinci
submissions.

And looks like not all patches in the series depend on the driver
changes (3/7 and even 7/7?). In such cases, it always helps to send them
separately so they can be queued independently.

Even now, can you please separate out such patches and resend them with
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org copied.

Regards,
Sekhar
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Re: [PATCH v4 3/7] ARM: davinci: da850: add clocks for mcbsp0 and 1

[Sekhar Nori]

On Friday 22 April 2016 05:50 PM, Petr Kulhavy wrote:
> Add clock definitions "davinci-mcbsp.0" and "davinci-mcbsp.1" in order
> to make McBSP driver work on the DA850 platform.
> 
> The McBSP 0 and 1 interfaces were not defined for the DA850 platform.
> Neither were the related clocks. In order to make the use of McBSP via
> devicetree the clocks need to be defined.
> 
> Signed-off-by: Petr Kulhavy <petr-Qh/3xLP0EvwAvxtiuMwx3w@public.gmane.org>
> ---
> v1: initial
> v2: no change
> v3: no change
> v4: no change
> 
>  arch/arm/mach-davinci/da850.c | 16 ++++++++++++++++
>  arch/arm/mach-davinci/psc.h   |  2 ++
>  2 files changed, 18 insertions(+)
> 
> diff --git a/arch/arm/mach-davinci/da850.c b/arch/arm/mach-davinci/da850.c
> index 97d8779a9a65..2b9d972e30ac 100644
> --- a/arch/arm/mach-davinci/da850.c
> +++ b/arch/arm/mach-davinci/da850.c
> @@ -306,6 +306,20 @@ static struct clk mcasp_clk = {
>  	.flags		= DA850_CLK_ASYNC3,
>  };
>  
> +static struct clk mcbsp0_clk = {
> +	.name		= "mcbsp0",
> +	.parent		= &pll1_sysclk2,
> +	.lpsc		= DA850_LPSC1_McBSP0,
> +	.gpsc		= 1,
> +};

Can you please rebase this to the master branch of
git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci.git?

We now have a clock called async3 which is to be used for all clocks in
async3 domain.

Thanks,
Sekhar
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Re: [PATCH v4 6/7] ARM: DTS: da850: Add McBSP0 and McBSP1

[Sekhar Nori]

On Friday 22 April 2016 05:50 PM, Petr Kulhavy wrote:
> Add SoC nodes for McBSP0 and McBSP1 as well as the corresponding pinmux
> configurations.
> 
> Signed-off-by: Petr Kulhavy <petr-Qh/3xLP0EvwAvxtiuMwx3w@public.gmane.org>
> ---
> v1: initial
> v2: add missing TC channel in dmas properties (for compatibility with the new EDMA3 binding)
>     remove "-audio" postfix from the compatible string
> v3: no change
> v4: no change
> 
>  arch/arm/boot/dts/da850.dtsi | 45 +++++++++++++++++++++++++++++++++++++++++++-
>  1 file changed, 44 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dtsi
> index 5996e765e59c..708d48e1b6d1 100644
> --- a/arch/arm/boot/dts/da850.dtsi
> +++ b/arch/arm/boot/dts/da850.dtsi
> @@ -148,7 +148,24 @@
>  					0xc 0x88888888 0xffffffff
>  				>;
>  			};
> -
> +			mcbsp0_pins: pinmux_mcbsp0_pins {
> +				pinctrl-single,bits = <
> +					/* PINMUX2:
> +					* CLKS0, DX0, DR0, FSX0
> +					* FSR0, CLKX0, CLKR0
> +					*/
> +					0x8 0x02222220 0xfffffff0
> +				>;
> +			};
> +			mcbsp1_pins: pinmux_mcbsp1_pins {
> +				pinctrl-single,bits = <
> +					/* PINMUX1:
> +					* CLKS1, DX1, DR1, FSX1,
> +					* FSR1, CLKX1, CLKR1
> +					*/
> +					0x4 0x22222220 0xfffffff0
> +				>;
> +			};
>  		};
>  		edma0: edma@01c00000 {
>  			compatible = "ti,edma3-tpcc";
> @@ -335,6 +352,32 @@
>  				<&edma0 0 1>;
>  			dma-names = "tx", "rx";
>  		};
> +
> +		mcbsp0: mcbsp@1d10000 {
> +			compatible = "ti,da850-mcbsp";
> +			reg =	<0x00110000 0x1000>,
> +				<0x00310000 0x1000>;

The node name should be sound@110000

sound because use of generic names is preferred (I know the mcasp has
got this wrong). And the unit address after the @ should match the reg
property. I would also lose the unnecessary 0s in the reg address.

Thanks,
Sekhar

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Re: [PATCH v4 0/7] ASoC: davinci-mcbsp: add binding for McBSP

[Mark Brown]

[-- Attachment #1: Type: text/plain, Size: 821 bytes --]

On Tue, May 03, 2016 at 02:23:14PM +0200, Petr Kulhavy wrote:

> I'm just wondering if anybody is picking up on this.

Please don't send content free pings and please allow a reasonable time
for review.  People get busy, go on holiday, attend conferences and so 
on so unless there is some reason for urgency (like critical bug fixes)
please allow at least a couple of weeks for review.  If there have been
review comments then people may be waiting for those to be addressed.
Sending content free pings just adds to the mail volume (if they are
seen at all) and if something has gone wrong you'll have to resend the
patches anyway.

> Peter has reviewed the patch set (v3 where the code is identical to v4) and
> Rob has acked the DT part.

I'm not seeing any review from Peter on what's in my inbox...

[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 473 bytes --]

Re: [PATCH v4 5/7] ARM: DTS: da850: Fix wrong number of interrupts

[Petr Kulhavy]

On 03.05.2016 14:42, Sekhar Nori wrote:
> On Friday 22 April 2016 05:50 PM, Petr Kulhavy wrote:
>> The DA850 supports interrupts 0 to 100. The number of interrupts
>> property "ti,intc-size" was wrongly set to 100. Corrected to 101.
>>
>> Signed-off-by: Petr Kulhavy <petr-Qh/3xLP0EvwAvxtiuMwx3w@public.gmane.org>
> This patch is already in my tree and sent for inclusion in v4.7.
>
> Regards,
> Sekhar
Thanks, Sekhar, I didn't know that. Could you please just drop a message 
next time that it has been applied. Thanks!

Petr

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Re: [PATCH v4 0/7] ASoC: davinci-mcbsp: add binding for McBSP

[Petr Kulhavy]

On 03.05.2016 17:10, Mark Brown wrote:
> On Tue, May 03, 2016 at 02:23:14PM +0200, Petr Kulhavy wrote:
>
>> I'm just wondering if anybody is picking up on this.
> Please don't send content free pings and please allow a reasonable time
> for review.  People get busy, go on holiday, attend conferences and so
> on so unless there is some reason for urgency (like critical bug fixes)
> please allow at least a couple of weeks for review.  If there have been
> review comments then people may be waiting for those to be addressed.
> Sending content free pings just adds to the mail volume (if they are
> seen at all) and if something has gone wrong you'll have to resend the
> patches anyway.
Thanks Mark for your comment and sorry for the noise. I'm leaving the 
company in a couple of weeks so
I'm trying to conclude this patch and make sure no action is needed from 
my side as I won't be following it up any longer then.

>> Peter has reviewed the patch set (v3 where the code is identical to v4) and
>> Rob has acked the DT part.
> I'm not seeing any review from Peter on what's in my inbox...

On 18.04.2016 15:06, Peter Ujfalusi wrote:

To all patches:
Reviewed-by: Peter Ujfalusi<peter.ujfalusi-l0cyMroinI0@public.gmane.org>

Your address was in copy as well...

Petr
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Re: [PATCH v4 0/7] ASoC: davinci-mcbsp: add binding for McBSP

[Petr Kulhavy]

On 03.05.2016 14:57, Sekhar Nori wrote:
> On Tuesday 03 May 2016 05:53 PM, Petr Kulhavy wrote:
>> Hi,
>>
>> I'm just wondering if anybody is picking up on this.
>> Peter has reviewed the patch set (v3 where the code is identical to v4)
>> and Rob has acked the DT part.
> For the mach-davinci portions, I was actually waiting on the driver
> changes to be accepted first. I have already sent my pull request for
> v4.7. I am afraid these have to wait for v4.8.
>
> Also, I just noticed that linux-arm-kernel-xBCQruHUn5ppWr+L1FloEB2eb7JE58TQ@public.gmane.org was not
> copied on the submission. That list must be copied on all mach-davinci
> submissions.
>
> And looks like not all patches in the series depend on the driver
> changes (3/7 and even 7/7?). In such cases, it always helps to send them
> separately so they can be queued independently.
>
> Even now, can you please separate out such patches and resend them with
> linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org copied.
>
> Regards,
> Sekhar

Thanks a lot Sekhar for your time and comments. I'm re-basing the 
patches to your branch right now and I will submit patches 3 and 7 
separately. Then I will re-submit the rest without 5, which has been 
already applied.

Regards
Petr
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Re: [PATCH v4 5/7] ARM: DTS: da850: Fix wrong number of interrupts

[Sekhar Nori]

On Monday 09 May 2016 06:18 PM, Petr Kulhavy wrote:
> 
> On 03.05.2016 14:42, Sekhar Nori wrote:
>> On Friday 22 April 2016 05:50 PM, Petr Kulhavy wrote:
>>> The DA850 supports interrupts 0 to 100. The number of interrupts
>>> property "ti,intc-size" was wrongly set to 100. Corrected to 101.
>>>
>>> Signed-off-by: Petr Kulhavy <petr-Qh/3xLP0EvwAvxtiuMwx3w@public.gmane.org>
>> This patch is already in my tree and sent for inclusion in v4.7.
>>
>> Regards,
>> Sekhar
> Thanks, Sekhar, I didn't know that. Could you please just drop a message
> next time that it has been applied. Thanks!

Actually, the exact same change was submitted by David Lechner and I
ended up applying his patch.

https://lkml.org/lkml/2016/4/13/852

Regards,
Sekhar
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