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@@ -19,20 +19,89 @@
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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+#include <linux/dma-mapping.h>
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#include <linux/gpio.h>
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#include <linux/gpio_keys.h>
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#include <linux/input.h>
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#include <linux/kernel.h>
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#include <linux/leds.h>
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+#include <linux/phy.h>
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#include <linux/pinctrl/machine.h>
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#include <linux/platform_data/gpio-rcar.h>
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+#include <linux/platform_data/rcar-du.h>
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#include <linux/platform_device.h>
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+#include <linux/sh_eth.h>
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#include <mach/common.h>
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+#include <mach/irqs.h>
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#include <mach/r8a7791.h>
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#include <mach/rcar-gen2.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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+/* DU */
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+static struct rcar_du_encoder_data koelsch_du_encoders[] = {
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+ {
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+ .type = RCAR_DU_ENCODER_NONE,
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+ .output = RCAR_DU_OUTPUT_LVDS0,
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+ .connector.lvds.panel = {
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+ .width_mm = 210,
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+ .height_mm = 158,
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+ .mode = {
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+ .clock = 65000,
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+ .hdisplay = 1024,
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+ .hsync_start = 1048,
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+ .hsync_end = 1184,
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+ .htotal = 1344,
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+ .vdisplay = 768,
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+ .vsync_start = 771,
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+ .vsync_end = 777,
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+ .vtotal = 806,
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+ .flags = 0,
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+ },
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+ },
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+ },
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+};
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+
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+static const struct rcar_du_platform_data koelsch_du_pdata __initconst = {
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+ .encoders = koelsch_du_encoders,
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+ .num_encoders = ARRAY_SIZE(koelsch_du_encoders),
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+};
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+
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+static const struct resource du_resources[] __initconst = {
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+ DEFINE_RES_MEM(0xfeb00000, 0x40000),
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+ DEFINE_RES_MEM_NAMED(0xfeb90000, 0x1c, "lvds.0"),
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+ DEFINE_RES_IRQ(gic_spi(256)),
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+ DEFINE_RES_IRQ(gic_spi(268)),
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+};
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+
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+static void __init koelsch_add_du_device(void)
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+{
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+ struct platform_device_info info = {
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+ .name = "rcar-du-r8a7791",
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+ .id = -1,
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+ .res = du_resources,
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+ .num_res = ARRAY_SIZE(du_resources),
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+ .data = &koelsch_du_pdata,
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+ .size_data = sizeof(koelsch_du_pdata),
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+ .dma_mask = DMA_BIT_MASK(32),
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+ };
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+
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+ platform_device_register_full(&info);
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+}
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+
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+/* Ether */
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+static const struct sh_eth_plat_data ether_pdata __initconst = {
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+ .phy = 0x1,
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+ .edmac_endian = EDMAC_LITTLE_ENDIAN,
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+ .phy_interface = PHY_INTERFACE_MODE_RMII,
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+ .ether_link_active_low = 1,
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+};
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+
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+static const struct resource ether_resources[] __initconst = {
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+ DEFINE_RES_MEM(0xee700000, 0x400),
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+ DEFINE_RES_IRQ(gic_spi(162)),
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+};
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+
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/* LEDS */
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static struct gpio_led koelsch_leds[] = {
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{
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@@ -80,6 +149,22 @@ static const struct gpio_keys_platform_data koelsch_keys_pdata __initconst = {
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};
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static const struct pinctrl_map koelsch_pinctrl_map[] = {
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+ /* DU */
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+ PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7791", "pfc-r8a7791",
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+ "du_rgb666", "du"),
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+ PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7791", "pfc-r8a7791",
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+ "du_sync", "du"),
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+ PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7791", "pfc-r8a7791",
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+ "du_clk_out_0", "du"),
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+ /* Ether */
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+ PIN_MAP_MUX_GROUP_DEFAULT("r8a7791-ether", "pfc-r8a7791",
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+ "eth_link", "eth"),
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+ PIN_MAP_MUX_GROUP_DEFAULT("r8a7791-ether", "pfc-r8a7791",
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+ "eth_mdio", "eth"),
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+ PIN_MAP_MUX_GROUP_DEFAULT("r8a7791-ether", "pfc-r8a7791",
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+ "eth_rmii", "eth"),
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+ PIN_MAP_MUX_GROUP_DEFAULT("r8a7791-ether", "pfc-r8a7791",
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+ "intc_irq0", "intc"),
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/* SCIF0 (CN19: DEBUG SERIAL0) */
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PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.6", "pfc-r8a7791",
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"scif0_data_d", "scif0"),
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@@ -95,12 +180,44 @@ static void __init koelsch_add_standard_devices(void)
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ARRAY_SIZE(koelsch_pinctrl_map));
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r8a7791_pinmux_init();
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r8a7791_add_standard_devices();
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+ platform_device_register_resndata(&platform_bus, "r8a7791-ether", -1,
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+ ether_resources,
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+ ARRAY_SIZE(ether_resources),
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+ ðer_pdata, sizeof(ether_pdata));
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platform_device_register_data(&platform_bus, "leds-gpio", -1,
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&koelsch_leds_pdata,
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sizeof(koelsch_leds_pdata));
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platform_device_register_data(&platform_bus, "gpio-keys", -1,
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&koelsch_keys_pdata,
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sizeof(koelsch_keys_pdata));
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+
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+ koelsch_add_du_device();
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+}
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+
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+/*
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+ * Ether LEDs on the Koelsch board are named LINK and ACTIVE which corresponds
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+ * to non-default 01 setting of the Micrel KSZ8041 PHY control register 1 bits
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+ * 14-15. We have to set them back to 01 from the default 00 value each time
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+ * the PHY is reset. It's also important because the PHY's LED0 signal is
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+ * connected to SoC's ETH_LINK signal and in the PHY's default mode it will
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+ * bounce on and off after each packet, which we apparently want to avoid.
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+ */
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+static int koelsch_ksz8041_fixup(struct phy_device *phydev)
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+{
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+ u16 phyctrl1 = phy_read(phydev, 0x1e);
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+
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+ phyctrl1 &= ~0xc000;
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+ phyctrl1 |= 0x4000;
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+ return phy_write(phydev, 0x1e, phyctrl1);
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+}
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+
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+static void __init koelsch_init(void)
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+{
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+ koelsch_add_standard_devices();
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+
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+ if (IS_ENABLED(CONFIG_PHYLIB))
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+ phy_register_fixup_for_id("r8a7791-ether-ff:01",
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+ koelsch_ksz8041_fixup);
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}
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static const char * const koelsch_boards_compat_dt[] __initconst = {
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@@ -112,7 +229,7 @@ DT_MACHINE_START(KOELSCH_DT, "koelsch")
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.smp = smp_ops(r8a7791_smp_ops),
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.init_early = r8a7791_init_early,
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.init_time = rcar_gen2_timer_init,
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- .init_machine = koelsch_add_standard_devices,
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+ .init_machine = koelsch_init,
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.init_late = shmobile_init_late,
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.dt_compat = koelsch_boards_compat_dt,
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MACHINE_END
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