This patch adds the pruss SUART pin mux and registers the device
with the pruss mfd driver.
Signed-off-by: Subhasish Ghosh <[email protected]>
---
arch/arm/mach-davinci/board-da850-evm.c | 46 ++++++++++++++++++++++++++++++-
1 files changed, 45 insertions(+), 1 deletions(-)
diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index 0b6b948..e7fdf31 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -1117,8 +1117,52 @@ static __init int da850_evm_init_cpufreq(void)
static __init int da850_evm_init_cpufreq(void) { return 0; }
#endif
+static const short da850_evm_pruss_suart_pins[] = {
+ DA850_AHCLKX, DA850_ACLKX, DA850_AFSX,
+ DA850_AHCLKR, DA850_ACLKR, DA850_AFSR,
+ DA850_AXR_13, DA850_AXR_9, DA850_AXR_7,
+ DA850_AXR_14, DA850_AXR_10, DA850_AXR_8,
+ -1
+};
+
+static int __init da850_evm_pruss_suart_setup(void)
+{
+ int ret;
+
+ ret = davinci_cfg_reg_list(da850_evm_pruss_suart_pins);
+ if (ret)
+ pr_warning("%s: da850_evm_pruss_suart_pins "
+ "mux setup failed: %d\n", __func__, ret);
+ return ret;
+}
+
+static struct da850_evm_pruss_suart_data suart_data = {
+ .version = 1,
+ .setup = da850_evm_pruss_suart_setup,
+};
+
+static struct resource da850_evm_pruss_suart_resource[] = {
+ {
+ .name = "da8xx_mcasp0_iomem",
+ .start = DAVINCI_DA8XX_MCASP0_REG_BASE,
+ .end = DAVINCI_DA8XX_MCASP0_REG_BASE +
+ (SZ_1K * 12) - 1,
+ .flags = IORESOURCE_MEM,
+ },
+};
+
static struct mfd_cell cell[] = {
- {.name = NULL,},
+ {
+ .id = 0,
+ .name = "da8xx_pruss_uart",
+ .platform_data = &suart_data,
+ .data_size = sizeof(suart_data),
+ .num_resources = ARRAY_SIZE(da850_evm_pruss_suart_resource),
+ .resources = da850_evm_pruss_suart_resource,
+ },
+ {
+ .name = NULL,
+ },
};
static int __init da8xx_evm_setup_pruss(void)
--
1.7.2.3