@@ -21,6 +21,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#include <linux/delay.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/interrupt.h>
@@ -39,6 +40,7 @@
#include <linux/tca6416_keypad.h>
#include <linux/usb/r8a66597.h>
+#include <video/sh_mobile_hdmi.h>
#include <video/sh_mobile_lcdc.h>
#include <sound/sh_fsi.h>
@@ -290,6 +292,127 @@ static struct platform_device lcdc_device = {
},
};
+/* HDMI */
+static struct sh_mobile_lcdc_info hdmi_lcdc_info = {
+ .clock_source = LCDC_CLK_EXTERNAL,
+ .ch[0] = {
+ .chan = LCDC_CHAN_MAINLCD,
+ .bpp = 16,
+ .interface_type = RGB24,
+ .clock_divider = 1,
+ .flags = LCDC_FLAGS_DWPOL,
+ }
+};
+
+static struct resource hdmi_lcdc_resources[] = {
+ [0] = {
+ .name = "LCDC1",
+ .start = 0xfe944000,
+ .end = 0xfe947fff,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = intcs_evt2irq(0x1780),
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device hdmi_lcdc_device = {
+ .name = "sh_mobile_lcdc_fb",
+ .num_resources = ARRAY_SIZE(hdmi_lcdc_resources),
+ .resource = hdmi_lcdc_resources,
+ .id = 1,
+ .dev = {
+ .platform_data = &hdmi_lcdc_info,
+ .coherent_dma_mask = ~0,
+ },
+};
+
+static struct sh_mobile_hdmi_info hdmi_info = {
+ .lcd_chan = &hdmi_lcdc_info.ch[0],
+ .lcd_dev = &hdmi_lcdc_device.dev,
+};
+
+static struct resource hdmi_resources[] = {
+ [0] = {
+ .name = "HDMI",
+ .start = 0xe6be0000,
+ .end = 0xe6be00ff,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ /* There's also an HDMI interrupt on INTCS @ 0x18e0 */
+ .start = evt2irq(0x17e0),
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device hdmi_device = {
+ .name = "sh-mobile-hdmi",
+ .num_resources = ARRAY_SIZE(hdmi_resources),
+ .resource = hdmi_resources,
+ .id = -1,
+ .dev = {
+ .platform_data = &hdmi_info,
+ },
+};
+
+static int __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;
+ }
+
+ ret = clk_enable(&sh7372_pllc2_clk);
+ if (ret < 0) {
+ pr_err("Cannot enable pllc2 clock\n");
+ 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);
+ goto out;
+ }
+
+out:
+ if (!IS_ERR(hdmi_ick))
+ clk_put(hdmi_ick);
+ return ret;
+}
+device_initcall(hdmi_init_pm_clock);
+
/* USB1 (Host) */
static void usb1_host_port_power(int port, int power)
{
@@ -493,6 +616,8 @@ static struct platform_device *mackerel_devices[] __initdata = {
&leds_device,
&fsi_device,
&fsi_ak4643_device,
+ &hdmi_lcdc_device,
+ &hdmi_device,
};
/* Keypad Initialization */
@@ -568,8 +693,11 @@ static void __init mackerel_map_io(void)
#define GPIO_PORT9CR 0xE6051009
#define GPIO_PORT10CR 0xE605100A
+#define SRCR4 0xe61580bc
static void __init mackerel_init(void)
{
+ u32 srcr4;
+
sh7372_pinmux_init();
/* enable SCIFA0 */
@@ -648,6 +776,16 @@ static void __init mackerel_init(void)
gpio_request(GPIO_FN_IRQ21, NULL);
set_irq_type(IRQ21, IRQ_TYPE_LEVEL_HIGH);
+ /* HDMI */
+ gpio_request(GPIO_FN_HDMI_HPD, NULL);
+ gpio_request(GPIO_FN_HDMI_CEC, NULL);
+
+ /* Reset HDMI, must be held at least one EXTALR (32768Hz) period */
+ srcr4 = __raw_readl(SRCR4);
+ __raw_writel(srcr4 | (1 << 13), SRCR4);
+ udelay(50);
+ __raw_writel(srcr4 & ~(1 << 13), SRCR4);
+
i2c_register_board_info(0, i2c0_devices,
ARRAY_SIZE(i2c0_devices));
i2c_register_board_info(1, i2c1_devices,
@@ -662,6 +800,9 @@ static void __init mackerel_timer_init(void)
{
sh7372_clock_init();
shmobile_timer.init();
+
+ /* External clock source */
+ clk_set_rate(&sh7372_dv_clki_clk, 27000000);
}
static struct sys_timer mackerel_timer = {