[PATCH v1 5/9] da850: pruss CAN board specific additions.

[subhasish@mistralsolutions.com (Subhasish Ghosh)]

This patch adds the pruss CAN pin mux and registers the device
with the pruss mfd driver.

Signed-off-by: Subhasish Ghosh <subhasish@mistralsolutions.com>
---
 arch/arm/mach-davinci/board-da850-evm.c |   40 ++++++++++++++++++++++++++++++-
 1 files changed, 39 insertions(+), 1 deletions(-)

diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index 7938c6d..285545f 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -1053,8 +1053,46 @@ static __init int da850_evm_init_cpufreq(void)
 static __init int da850_evm_init_cpufreq(void) { return 0; }
 #endif
 
+const short da850_pruss_can_pins[] = {
+	DA850_PRUSS_PRU0_R31_0, DA850_PRUSS_PRU1_R30_15,
+	DA850_PRUSS_PRU1_R31_18,
+	-1
+};
+
+static int __init da850_evm_setup_pruss_can(void)
+{
+	int ret, val = 0;
+	void __iomem *cfg_chip3_base;
+
+	if (!machine_is_davinci_da850_evm())
+		return 0;
+
+	ret = davinci_cfg_reg_list(da850_pruss_can_pins);
+	if (ret)
+		pr_warning("%s: da850_pruss_can_pins mux setup "
+					"failed:%d\n", __func__, ret);
+	cfg_chip3_base = DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG);
+	val = __raw_readl(cfg_chip3_base);
+	val |= BIT(3);
+	__raw_writel(val, cfg_chip3_base);
+
+	return ret;
+}
+
+static struct da8xx_pruss_can_data can_data = {
+	.version	= 1,
+};
+
 static struct da8xx_pruss_devices pruss_devices[] = {
-	{.dev_name = NULL,},
+	{
+		.dev_name	= "da8xx_pruss_can",
+		.pdata		= &can_data,
+		.pdata_size	= sizeof(can_data),
+		.setup		= da850_evm_setup_pruss_can,
+	},
+	{
+		.dev_name	= NULL,
+	},
 };
 
 static int __init da8xx_evm_setup_pruss(void)
-- 
1.7.2.3