Merge "msm: Add configuration required to use GSBI8 into UARTDM Mode" into msm-3.4
diff --git a/arch/arm/mach-msm/board-8960-gpiomux.c b/arch/arm/mach-msm/board-8960-gpiomux.c
index 53e7c9e..5851990 100644
--- a/arch/arm/mach-msm/board-8960-gpiomux.c
+++ b/arch/arm/mach-msm/board-8960-gpiomux.c
@@ -76,6 +76,18 @@
.pull = GPIOMUX_PULL_NONE,
};
+static struct gpiomux_setting gsbi8_uartdm_active_cfg = {
+ .func = GPIOMUX_FUNC_1,
+ .drv = GPIOMUX_DRV_8MA,
+ .pull = GPIOMUX_PULL_NONE,
+};
+
+static struct gpiomux_setting gsbi8_uartdm_suspended_cfg = {
+ .func = GPIOMUX_FUNC_GPIO,
+ .drv = GPIOMUX_DRV_2MA,
+ .pull = GPIOMUX_PULL_DOWN,
+};
+
static struct gpiomux_setting gsbi9_active_cfg = {
.func = GPIOMUX_FUNC_2,
.drv = GPIOMUX_DRV_8MA,
@@ -310,6 +322,37 @@
},
};
#endif
+/* GSBI8 UART GPIOs for Atheros Bluetooth */
+static struct msm_gpiomux_config msm8960_gsbi8_uartdm_configs[] = {
+ {
+ .gpio = 34,
+ .settings = {
+ [GPIOMUX_SUSPENDED] = &gsbi8_uartdm_suspended_cfg,
+ [GPIOMUX_ACTIVE] = &gsbi8_uartdm_active_cfg,
+ }
+ },
+ {
+ .gpio = 35,
+ .settings = {
+ [GPIOMUX_SUSPENDED] = &gsbi8_uartdm_suspended_cfg,
+ [GPIOMUX_ACTIVE] = &gsbi8_uartdm_active_cfg,
+ }
+ },
+ {
+ .gpio = 36,
+ .settings = {
+ [GPIOMUX_SUSPENDED] = &gsbi8_uartdm_suspended_cfg,
+ [GPIOMUX_ACTIVE] = &gsbi8_uartdm_active_cfg,
+ }
+ },
+ {
+ .gpio = 37,
+ .settings = {
+ [GPIOMUX_SUSPENDED] = &gsbi8_uartdm_suspended_cfg,
+ [GPIOMUX_ACTIVE] = &gsbi8_uartdm_active_cfg,
+ }
+ },
+};
static struct msm_gpiomux_config msm8960_fusion_gsbi_configs[] = {
{
@@ -988,6 +1031,10 @@
msm_gpiomux_install(msm8960_mdp_vsync_configs,
ARRAY_SIZE(msm8960_mdp_vsync_configs));
+ if (socinfo_get_platform_subtype() != PLATFORM_SUBTYPE_SGLTE)
+ msm_gpiomux_install(msm8960_gsbi8_uartdm_configs,
+ ARRAY_SIZE(msm8960_gsbi8_uartdm_configs));
+
if (socinfo_get_platform_subtype() == PLATFORM_SUBTYPE_SGLTE)
msm_gpiomux_install(msm8960_gsbi8_uart_configs,
ARRAY_SIZE(msm8960_gsbi8_uart_configs));
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));
diff --git a/arch/arm/mach-msm/clock-8960.c b/arch/arm/mach-msm/clock-8960.c
index e87dd14..56b774d 100644
--- a/arch/arm/mach-msm/clock-8960.c
+++ b/arch/arm/mach-msm/clock-8960.c
@@ -5508,7 +5508,10 @@
CLK_LOOKUP("core_clk", gsbi5_uart_clk.c, "msm_serial_hsl.0"),
CLK_LOOKUP("core_clk", gsbi6_uart_clk.c, "msm_serial_hs.0"),
CLK_LOOKUP("core_clk", gsbi7_uart_clk.c, ""),
+ /* used on 8960 SGLTE for console */
CLK_LOOKUP("core_clk", gsbi8_uart_clk.c, "msm_serial_hsl.1"),
+ /* used on 8960 standalone with Atheros Bluetooth */
+ CLK_LOOKUP("core_clk", gsbi8_uart_clk.c, "msm_serial_hs.2"),
CLK_LOOKUP("core_clk", gsbi9_uart_clk.c, "msm_serial_hs.1"),
CLK_LOOKUP("core_clk", gsbi10_uart_clk.c, ""),
CLK_LOOKUP("core_clk", gsbi11_uart_clk.c, ""),
@@ -5560,7 +5563,10 @@
CLK_LOOKUP("iface_clk", gsbi5_p_clk.c, "msm_serial_hsl.0"),
CLK_LOOKUP("iface_clk", gsbi6_p_clk.c, "msm_serial_hs.0"),
CLK_LOOKUP("iface_clk", gsbi7_p_clk.c, ""),
+ /* used on 8960 SGLTE for serial console */
CLK_LOOKUP("iface_clk", gsbi8_p_clk.c, "msm_serial_hsl.1"),
+ /* used on 8960 standalone with Atheros Bluetooth */
+ CLK_LOOKUP("iface_clk", gsbi8_p_clk.c, "msm_serial_hs.2"),
CLK_LOOKUP("iface_clk", gsbi9_p_clk.c, "msm_serial_hs.1"),
CLK_LOOKUP("iface_clk", gsbi10_p_clk.c, "qup_i2c.10"),
CLK_LOOKUP("iface_clk", gsbi11_p_clk.c, ""),
diff --git a/arch/arm/mach-msm/devices-8960.c b/arch/arm/mach-msm/devices-8960.c
index d74d4aa..9a0c2d7 100644
--- a/arch/arm/mach-msm/devices-8960.c
+++ b/arch/arm/mach-msm/devices-8960.c
@@ -292,6 +292,52 @@
.coherent_dma_mask = DMA_BIT_MASK(32),
},
};
+
+/* GSBI 8 used into UARTDM Mode */
+static struct resource msm_uart_dm8_resources[] = {
+ {
+ .start = MSM_UART8DM_PHYS,
+ .end = MSM_UART8DM_PHYS + PAGE_SIZE - 1,
+ .name = "uartdm_resource",
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = GSBI8_UARTDM_IRQ,
+ .end = GSBI8_UARTDM_IRQ,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = MSM_GSBI8_PHYS,
+ .end = MSM_GSBI8_PHYS + 4 - 1,
+ .name = "gsbi_resource",
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = DMOV_HSUART_GSBI8_TX_CHAN,
+ .end = DMOV_HSUART_GSBI8_RX_CHAN,
+ .name = "uartdm_channels",
+ .flags = IORESOURCE_DMA,
+ },
+ {
+ .start = DMOV_HSUART_GSBI8_TX_CRCI,
+ .end = DMOV_HSUART_GSBI8_RX_CRCI,
+ .name = "uartdm_crci",
+ .flags = IORESOURCE_DMA,
+ },
+};
+
+static u64 msm_uart_dm8_dma_mask = DMA_BIT_MASK(32);
+struct platform_device msm_device_uart_dm8 = {
+ .name = "msm_serial_hs",
+ .id = 2,
+ .num_resources = ARRAY_SIZE(msm_uart_dm8_resources),
+ .resource = msm_uart_dm8_resources,
+ .dev = {
+ .dma_mask = &msm_uart_dm8_dma_mask,
+ .coherent_dma_mask = DMA_BIT_MASK(32),
+ },
+};
+
/*
* GSBI 9 used into UARTDM Mode
* For 8960 Fusion 2.2 Primary IPC
diff --git a/arch/arm/mach-msm/devices.h b/arch/arm/mach-msm/devices.h
index 2207e3c..5d2771e 100644
--- a/arch/arm/mach-msm/devices.h
+++ b/arch/arm/mach-msm/devices.h
@@ -53,6 +53,7 @@
extern struct platform_device msm_device_uart_dm12;
extern struct platform_device *msm_device_uart_gsbi9;
extern struct platform_device msm_device_uart_dm6;
+extern struct platform_device msm_device_uart_dm8;
extern struct platform_device msm_device_uart_dm9;
extern struct platform_device msm8960_device_uart_gsbi2;
diff --git a/arch/arm/mach-msm/include/mach/dma.h b/arch/arm/mach-msm/include/mach/dma.h
index 381ea12..6a389de 100644
--- a/arch/arm/mach-msm/include/mach/dma.h
+++ b/arch/arm/mach-msm/include/mach/dma.h
@@ -188,6 +188,12 @@
#define DMOV_HSUART_GSBI6_RX_CHAN 8
#define DMOV_HSUART_GSBI6_RX_CRCI 11
+#define DMOV_HSUART_GSBI8_TX_CHAN 7
+#define DMOV_HSUART_GSBI8_TX_CRCI 10
+
+#define DMOV_HSUART_GSBI8_RX_CHAN 8
+#define DMOV_HSUART_GSBI8_RX_CRCI 9
+
#define DMOV_HSUART_GSBI9_TX_CHAN 4
#define DMOV_HSUART_GSBI9_TX_CRCI 13
diff --git a/drivers/tty/serial/msm_serial_hs.c b/drivers/tty/serial/msm_serial_hs.c
index 083ed19..1904706 100644
--- a/drivers/tty/serial/msm_serial_hs.c
+++ b/drivers/tty/serial/msm_serial_hs.c
@@ -174,7 +174,7 @@
#define UARTDM_TX_BUF_SIZE UART_XMIT_SIZE
#define UARTDM_RX_BUF_SIZE 512
#define RETRY_TIMEOUT 5
-#define UARTDM_NR 2
+#define UARTDM_NR 5
static struct dentry *debug_base;
static struct msm_hs_port q_uart_port[UARTDM_NR];