msm: Add configuration required to use GSBI8 into UARTDM Mode
Add GSBI8 device and its related interfaces with their configuration
i.e. clock, ADM, GPIO. GSBI8 UARTDM interface can be used for external
Bluetooth SoC.
CRs-Fixed: 375285
Change-Id: I15819862072c92d8ff6f397fdf081f1b619ec235
Signed-off-by: Mayank Rana <mrana@codeaurora.org>
diff --git a/arch/arm/mach-msm/board-8960.c b/arch/arm/mach-msm/board-8960.c
index 0fcaf78..f044533 100644
--- a/arch/arm/mach-msm/board-8960.c
+++ b/arch/arm/mach-msm/board-8960.c
@@ -2462,7 +2462,36 @@
static struct msm_serial_hs_platform_data msm_uart_dm9_pdata = {
.gpio_config = configure_uart_gpios,
};
+
+static int configure_gsbi8_uart_gpios(int on)
+{
+ int ret = 0, i;
+ int uart_gpios[] = {34, 35, 36, 37};
+
+ for (i = 0; i < ARRAY_SIZE(uart_gpios); i++) {
+ if (on) {
+ ret = gpio_request(uart_gpios[i], NULL);
+ if (ret) {
+ pr_err("%s: unable to request uart gpio[%d]\n",
+ __func__, uart_gpios[i]);
+ break;
+ }
+ } else {
+ gpio_free(uart_gpios[i]);
+ }
+ }
+
+ if (ret && on && i)
+ for (; i >= 0; i--)
+ gpio_free(uart_gpios[i]);
+ return ret;
+}
+
+static struct msm_serial_hs_platform_data msm_uart_dm8_pdata = {
+ .gpio_config = configure_gsbi8_uart_gpios,
+};
#else
+static struct msm_serial_hs_platform_data msm_uart_dm8_pdata;
static struct msm_serial_hs_platform_data msm_uart_dm9_pdata;
#endif
@@ -3143,6 +3172,11 @@
platform_device_register(&msm_device_uart_dm9);
}
+ /* For 8960 Standalone External Bluetooth Interface */
+ if (socinfo_get_platform_subtype() != PLATFORM_SUBTYPE_SGLTE) {
+ msm_device_uart_dm8.dev.platform_data = &msm_uart_dm8_pdata;
+ platform_device_register(&msm_device_uart_dm8);
+ }
platform_add_devices(common_devices, ARRAY_SIZE(common_devices));
msm8960_pm8921_gpio_mpp_init();
platform_add_devices(cdp_devices, ARRAY_SIZE(cdp_devices));