static int __init kai_touch_init(void)
{
int touch_id;
tegra_gpio_enable(KAI_TS_ID1);
tegra_gpio_enable(KAI_TS_ID2);
gpio_request(KAI_TS_ID1, "touch-id1");
gpio_direction_input(KAI_TS_ID1);
gpio_request(KAI_TS_ID2, "touch-id2");
gpio_direction_input(KAI_TS_ID2);
touch_id = gpio_get_value(KAI_TS_ID1) << 1;
touch_id |= gpio_get_value(KAI_TS_ID2);
pr_info("touch-id %d\n", touch_id);
/* Disable TS_ID GPIO to save power */
gpio_direction_output(KAI_TS_ID1, 0);
tegra_pinmux_set_pullupdown(KAI_TS_ID1_PG, TEGRA_PUPD_NORMAL);
tegra_pinmux_set_tristate(KAI_TS_ID1_PG, TEGRA_TRI_TRISTATE);
gpio_direction_output(KAI_TS_ID2, 0);
tegra_pinmux_set_pullupdown(KAI_TS_ID2_PG, TEGRA_PUPD_NORMAL);
tegra_pinmux_set_tristate(KAI_TS_ID2_PG, TEGRA_TRI_TRISTATE);
switch (touch_id) {
case 0:
pr_info("Raydium PCB based touch init\n");
tegra_clk_init_from_table(spi_clk_init_table);
touch_init_raydium();
break;
case 1:
pr_info("Raydium On-Board touch init\n");
tegra_clk_init_from_table(spi_clk_init_table);
tegra_clk_init_from_table(touch_clk_init_table);
clk_enable(tegra_get_clock_by_name("clk_out_3"));
touch_init_raydium();
break;
case 3:
pr_info("Synaptics PCB based touch init\n");
touch_init_synaptics_kai();
break;
default:
pr_err("touch_id error, no touch %d\n", touch_id);
}
return 0;
}
static int __init kai_touch_init(void)
{
int touch_id;
touch_id = gpio_request(KAI_TS_ID1, "touch-id1");
if (touch_id < 0) {
pr_err("%s: gpio_request failed %d\n",
__func__, touch_id);
return touch_id;
}
touch_id = gpio_direction_input(KAI_TS_ID1);
if (touch_id < 0) {
pr_err("%s: gpio_direction_input failed %d\n",
__func__, touch_id);
gpio_free(KAI_TS_ID1);
}
touch_id = gpio_request(KAI_TS_ID2, "touch-id2");
if (touch_id < 0) {
pr_err("%s: gpio_request failed %d\n",
__func__, touch_id);
return touch_id;
}
touch_id = gpio_direction_input(KAI_TS_ID2);
if (touch_id < 0) {
pr_err("%s: gpio_direction_input failed %d\n",
__func__, touch_id);
gpio_free(KAI_TS_ID2);
}
touch_id = gpio_get_value(KAI_TS_ID1) << 1;
touch_id |= gpio_get_value(KAI_TS_ID2);
pr_info("touch-id %d\n", touch_id);
/* Disable TS_ID GPIO to save power */
gpio_direction_output(KAI_TS_ID1, 0);
tegra_pinmux_set_pullupdown(KAI_TS_ID1_PG, TEGRA_PUPD_NORMAL);
tegra_pinmux_set_tristate(KAI_TS_ID1_PG, TEGRA_TRI_TRISTATE);
gpio_direction_output(KAI_TS_ID2, 0);
tegra_pinmux_set_pullupdown(KAI_TS_ID2_PG, TEGRA_PUPD_NORMAL);
tegra_pinmux_set_tristate(KAI_TS_ID2_PG, TEGRA_TRI_TRISTATE);
switch (touch_id) {
case 0:
pr_info("Raydium PCB based touch init\n");
tegra_clk_init_from_table(spi_clk_init_table);
rm31080a_kai_spi_board[0].platform_data =
&rm31080ts_kai_007_data;
rm31080a_kai_spi_board[0].irq =
gpio_to_irq(TOUCH_GPIO_IRQ_RAYDIUM_SPI);
touch_init_raydium(TOUCH_GPIO_IRQ_RAYDIUM_SPI,
TOUCH_GPIO_RST_RAYDIUM_SPI,
&rm31080ts_kai_007_data,
&rm31080a_kai_spi_board[0],
ARRAY_SIZE(rm31080a_kai_spi_board));
break;
case 1:
pr_info("Raydium On-Board touch init\n");
tegra_clk_init_from_table(spi_clk_init_table);
tegra_clk_init_from_table(touch_clk_init_table);
rm31080a_kai_spi_board[0].platform_data =
&rm31080ts_kai_107_data;
rm31080a_kai_spi_board[0].irq =
gpio_to_irq(TOUCH_GPIO_IRQ_RAYDIUM_SPI);
touch_init_raydium(TOUCH_GPIO_IRQ_RAYDIUM_SPI,
TOUCH_GPIO_RST_RAYDIUM_SPI,
&rm31080ts_kai_107_data,
&rm31080a_kai_spi_board[0],
ARRAY_SIZE(rm31080a_kai_spi_board));
break;
case 3:
pr_info("Synaptics PCB based touch init\n");
touch_init_synaptics_kai();
break;
default:
pr_err("touch_id error, no touch %d\n", touch_id);
}
return 0;
}
