linux-kernel - [PATCH v1 10/12] spi/pxa2xx-pci: Add support for Intel Braswell

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Message-Id: <1408469363-15901-11-git-send-email-andriy.shevchenko@linux.intel.com>
Date:	Tue, 19 Aug 2014 20:29:21 +0300
From:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:	Hans-Christian Egtvedt <egtvedt@...fundet.no>,
	Haavard Skinnemoen <hskinnemoen@...il.com>,
	Vinod Koul <vinod.koul@...el.com>,
	Mark Brown <broonie@...nel.org>,
	Hein Tibosch <hein_tibosch@...oo.es>,
	Russell King <linux@....linux.org.uk>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Takashi Iwai <tiwai@...e.de>,
	Kweh Hock Leong <hock.leong.kweh@...el.com>,
	Mika Westerberg <mika.westerberg@...ux.intel.com>,
	Alan Cox <alan@...ux.intel.com>, dmaengine@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v1 10/12] spi/pxa2xx-pci: Add support for Intel Braswell

From: Mika Westerberg <mika.westerberg@...ux.intel.com>

Instead of one port we have 3 ports and all of them can take advantage of
the shared DMA controller.

Signed-off-by: Mika Westerberg <mika.westerberg@...ux.intel.com>
---
 drivers/spi/spi-pxa2xx-pci.c | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/drivers/spi/spi-pxa2xx-pci.c b/drivers/spi/spi-pxa2xx-pci.c
index c950ee2..6beee8c 100644
--- a/drivers/spi/spi-pxa2xx-pci.c
+++ b/drivers/spi/spi-pxa2xx-pci.c
@@ -16,6 +16,9 @@
 enum {
 	PORT_CE4100,
 	PORT_BYT,
+	PORT_BSW0,
+	PORT_BSW1,
+	PORT_BSW2,
 };
 
 struct pxa_spi_info {
@@ -32,6 +35,13 @@ struct pxa_spi_info {
 static struct dw_dma_slave byt_tx_param = { .dst_id = 0 };
 static struct dw_dma_slave byt_rx_param = { .src_id = 1 };
 
+static struct dw_dma_slave bsw0_tx_param = { .dst_id = 0 };
+static struct dw_dma_slave bsw0_rx_param = { .src_id = 1 };
+static struct dw_dma_slave bsw1_tx_param = { .dst_id = 6 };
+static struct dw_dma_slave bsw1_rx_param = { .src_id = 7 };
+static struct dw_dma_slave bsw2_tx_param = { .dst_id = 8 };
+static struct dw_dma_slave bsw2_rx_param = { .src_id = 9 };
+
 static bool lpss_dma_filter(struct dma_chan *chan, void *param)
 {
 	struct dw_dma_slave *dws = param;
@@ -58,6 +68,30 @@ static struct pxa_spi_info spi_info_configs[] = {
 		.tx_param = &byt_tx_param,
 		.rx_param = &byt_rx_param,
 	},
+	[PORT_BSW0] = {
+		.type = LPSS_SSP,
+		.port_id = 0,
+		.num_chipselect = 1,
+		.max_clk_rate = 50000000,
+		.tx_param = &bsw0_tx_param,
+		.rx_param = &bsw0_rx_param,
+	},
+	[PORT_BSW1] = {
+		.type = LPSS_SSP,
+		.port_id = 1,
+		.num_chipselect = 1,
+		.max_clk_rate = 50000000,
+		.tx_param = &bsw1_tx_param,
+		.rx_param = &bsw1_rx_param,
+	},
+	[PORT_BSW2] = {
+		.type = LPSS_SSP,
+		.port_id = 2,
+		.num_chipselect = 1,
+		.max_clk_rate = 50000000,
+		.tx_param = &bsw2_tx_param,
+		.rx_param = &bsw2_rx_param,
+	},
 };
 
 static int pxa2xx_spi_pci_probe(struct pci_dev *dev,
@@ -158,6 +192,9 @@ static void pxa2xx_spi_pci_remove(struct pci_dev *dev)
 static const struct pci_device_id pxa2xx_spi_pci_devices[] = {
 	{ PCI_VDEVICE(INTEL, 0x2e6a), PORT_CE4100 },
 	{ PCI_VDEVICE(INTEL, 0x0f0e), PORT_BYT },
+	{ PCI_VDEVICE(INTEL, 0x228e), PORT_BSW0 },
+	{ PCI_VDEVICE(INTEL, 0x2290), PORT_BSW1 },
+	{ PCI_VDEVICE(INTEL, 0x22ac), PORT_BSW2 },
 	{ },
 };
 MODULE_DEVICE_TABLE(pci, pxa2xx_spi_pci_devices);
-- 
2.1.0

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