waterInvestigationHiddenDanger rtuDataAnalysis.c 朱涛 commit at 2021-03-01

waterInvestigationHiddenDanger/analysisOfLeakageHiddenDanger/rtuDataAnalysis.c

@@ -983,3 +983,91 @@ static struct platform_device *ap4evb_devices[] __initdata = {
 
 static void __init hdmi_init_pm_clock(void)
 {
+	struct clk *hdmi_ick = clk_get(&hdmi_device.dev, "ick");
+	int ret;
+	long rate;
+
+	if (IS_ERR(hdmi_ick)) {
+		ret = PTR_ERR(hdmi_ick);
+		pr_err("Cannot get HDMI ICK: %d\n", ret);
+		goto out;
+	}
+
+	ret = clk_set_parent(&sh7372_pllc2_clk, &sh7372_dv_clki_div2_clk);
+	if (ret < 0) {
+		pr_err("Cannot set PLLC2 parent: %d, %d users\n", ret, sh7372_pllc2_clk.usecount);
+		goto out;
+	}
+
+	pr_debug("PLLC2 initial frequency %lu\n", clk_get_rate(&sh7372_pllc2_clk));
+
+	rate = clk_round_rate(&sh7372_pllc2_clk, 594000000);
+	if (rate < 0) {
+		pr_err("Cannot get suitable rate: %ld\n", rate);
+		ret = rate;
+		goto out;
+	}
+
+	ret = clk_set_rate(&sh7372_pllc2_clk, rate);
+	if (ret < 0) {
+		pr_err("Cannot set rate %ld: %d\n", rate, ret);
+		goto out;
+	}
+
+	pr_debug("PLLC2 set frequency %lu\n", rate);
+
+	ret = clk_set_parent(hdmi_ick, &sh7372_pllc2_clk);
+	if (ret < 0)
+		pr_err("Cannot set HDMI parent: %d\n", ret);
+
+out:
+	if (!IS_ERR(hdmi_ick))
+		clk_put(hdmi_ick);
+}
+
+/* TouchScreen */
+#ifdef CONFIG_AP4EVB_QHD
+# define GPIO_TSC_IRQ	GPIO_FN_IRQ28_123
+# define GPIO_TSC_PORT	GPIO_PORT123
+#else /* WVGA */
+# define GPIO_TSC_IRQ	GPIO_FN_IRQ7_40
+# define GPIO_TSC_PORT	GPIO_PORT40
+#endif
+
+#define IRQ28	evt2irq(0x3380) /* IRQ28A */
+#define IRQ7	evt2irq(0x02e0) /* IRQ7A */
+static int ts_get_pendown_state(void)
+{
+	int val;
+
+	gpio_free(GPIO_TSC_IRQ);
+
+	gpio_request(GPIO_TSC_PORT, NULL);
+
+	gpio_direction_input(GPIO_TSC_PORT);
+
+	val = gpio_get_value(GPIO_TSC_PORT);
+
+	gpio_request(GPIO_TSC_IRQ, NULL);
+
+	return !val;
+}
+
+static int ts_init(void)
+{
+	gpio_request(GPIO_TSC_IRQ, NULL);
+
+	return 0;
+}
+
+static struct tsc2007_platform_data tsc2007_info = {
+	.model			= 2007,
+	.x_plate_ohms		= 180,
+	.get_pendown_state	= ts_get_pendown_state,
+	.init_platform_hw	= ts_init,
+};
+
+static struct i2c_board_info tsc_device = {
+	I2C_BOARD_INFO("tsc2007", 0x48),
+	.type		= "tsc2007",
+	.platform_data	= &tsc2007_info,