msm: Add EPM board changes for APQ8064
Add platform data for the EPM which includes the
scaling factor and resistance for each of the channel
to calculate the power, sx1509 GPIO expander properties.
Change-Id: I3b910c4827d12a41f6c9ebe5caf60e7dcd525a99
Signed-off-by: Siddartha Mohanadoss <smohanad@codeaurora.org>
diff --git a/arch/arm/mach-msm/board-8064.c b/arch/arm/mach-msm/board-8064.c
index d2c993e..13c98db 100644
--- a/arch/arm/mach-msm/board-8064.c
+++ b/arch/arm/mach-msm/board-8064.c
@@ -16,6 +16,7 @@
#include <linux/irq.h>
#include <linux/i2c.h>
#include <linux/i2c/smb349.h>
+#include <linux/i2c/sx150x.h>
#include <linux/slimbus/slimbus.h>
#include <linux/mfd/wcd9xxx/core.h>
#include <linux/mfd/wcd9xxx/pdata.h>
@@ -30,6 +31,7 @@
#include <linux/cyttsp.h>
#include <linux/i2c/isa1200.h>
#include <linux/gpio_keys.h>
+#include <linux/epm_adc.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/hardware/gic.h>
@@ -630,6 +632,60 @@
},
};
+struct sx150x_platform_data apq8064_sx150x_data[] = {
+ [SX150X_EPM] = {
+ .gpio_base = GPIO_EPM_EXPANDER_BASE,
+ .oscio_is_gpo = false,
+ .io_pullup_ena = 0x0,
+ .io_pulldn_ena = 0x0,
+ .io_open_drain_ena = 0x0,
+ .io_polarity = 0,
+ .irq_summary = -1,
+ },
+};
+
+static struct epm_chan_properties ads_adc_channel_data[] = {
+ {10, 100}, {500, 50}, {1, 1}, {1, 1},
+ {20, 50}, {10, 100}, {1, 1}, {1, 1},
+ {10, 100}, {10, 100}, {100, 100}, {200, 100},
+ {100, 50}, {2000, 50}, {1000, 50}, {200, 50},
+ {200, 100}, {1, 1}, {20, 50}, {500, 50},
+ {50, 50}, {200, 100}, {500, 100}, {20, 50},
+ {200, 50}, {2000, 100}, {1000, 50}, {100, 50},
+ {200, 100}, {500, 50}, {1000, 100}, {200, 50},
+ {1000, 50}, {50, 50}, {100, 50}, {100, 50},
+ {1, 1}, {1, 1}, {20, 100}, {20, 50},
+ {500, 100}, {1000, 100}, {100, 50}, {1000, 50},
+ {100, 50}, {1000, 100}, {100, 50}, {100, 50},
+};
+
+static struct epm_adc_platform_data epm_adc_pdata = {
+ .channel = ads_adc_channel_data,
+ .bus_id = 0x0,
+ .epm_i2c_board_info = {
+ .type = "sx1509q",
+ .addr = 0x3e,
+ .platform_data = &apq8064_sx150x_data[SX150X_EPM],
+ },
+ .gpio_expander_base_addr = GPIO_EPM_EXPANDER_BASE,
+};
+
+static struct platform_device epm_adc_device = {
+ .name = "epm_adc",
+ .id = -1,
+ .dev = {
+ .platform_data = &epm_adc_pdata,
+ },
+};
+
+static void __init apq8064_epm_adc_init(void)
+{
+ epm_adc_pdata.num_channels = 32;
+ epm_adc_pdata.num_adc = 2;
+ epm_adc_pdata.chan_per_adc = 16;
+ epm_adc_pdata.chan_per_mux = 8;
+};
+
#define TABLA_INTERRUPT_BASE (NR_MSM_IRQS + NR_GPIO_IRQS + NR_PM8921_IRQS)
/* Micbias setting is based on 8660 CDP/MTP/FLUID requirement
@@ -1812,6 +1868,7 @@
&apq8064_cpu_idle_device,
&apq8064_msm_gov_device,
&apq8064_device_cache_erp,
+ &epm_adc_device,
};
static struct platform_device *sim_devices[] __initdata = {
@@ -1851,6 +1908,13 @@
.chip_select = 2,
.mode = SPI_MODE_0,
},
+ {
+ .modalias = "epm_adc",
+ .max_speed_hz = 1100000,
+ .bus_num = 0,
+ .chip_select = 3,
+ .mode = SPI_MODE_0,
+ },
};
static struct slim_boardinfo apq8064_slim_devices[] = {
@@ -1896,6 +1960,8 @@
apq8064_i2c_qup_gsbi1_pdata.use_gsbi_shared_mode = 1;
apq8064_device_qup_i2c_gsbi3.dev.platform_data =
&apq8064_i2c_qup_gsbi3_pdata;
+ apq8064_device_qup_i2c_gsbi1.dev.platform_data =
+ &apq8064_i2c_qup_gsbi1_pdata;
apq8064_device_qup_i2c_gsbi4.dev.platform_data =
&apq8064_i2c_qup_gsbi4_pdata;
}
@@ -2180,6 +2246,7 @@
msm_cpuidle_set_states(msm_cstates, ARRAY_SIZE(msm_cstates),
msm_pm_data);
BUG_ON(msm_pm_boot_init(&msm_pm_boot_pdata));
+ apq8064_epm_adc_init();
}
static void __init apq8064_allocate_memory_regions(void)