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ARM: mach-shmobile: ap4evb: Add FSI2 support
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Kuninori Morimoto
Paul Mundt
parent
69bf6f451f
commit
cb9215e1fa
@ -32,11 +32,15 @@
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#include <linux/i2c/tsc2007.h>
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#include <linux/io.h>
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#include <linux/smsc911x.h>
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#include <linux/sh_intc.h>
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#include <linux/sh_clk.h>
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#include <linux/gpio.h>
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#include <linux/input.h>
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#include <linux/input/sh_keysc.h>
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#include <linux/usb/r8a66597.h>
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#include <sound/sh_fsi.h>
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#include <video/sh_mobile_lcdc.h>
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#include <video/sh_mipi_dsi.h>
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@ -113,6 +117,13 @@
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* S39: bit2: off
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*/
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/*
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* FSI/FSMI
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*
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* SW41 : ON : SH-Mobile AP4 Audio Mode
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* : OFF : Bluetooth Audio Mode
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*/
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/* MTD */
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static struct mtd_partition nor_flash_partitions[] = {
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{
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@ -373,6 +384,60 @@ static struct platform_device mipidsi0_device = {
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},
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};
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/* FSI */
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#define IRQ_FSI evt2irq(0x1840)
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#define FSIACKCR 0xE6150018
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static void fsiackcr_init(struct clk *clk)
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{
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u32 status = __raw_readl(clk->enable_reg);
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/* use external clock */
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status &= ~0x000000ff;
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status |= 0x00000080;
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__raw_writel(status, clk->enable_reg);
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}
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static struct clk_ops fsiackcr_clk_ops = {
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.init = fsiackcr_init,
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};
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static struct clk fsiackcr_clk = {
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.ops = &fsiackcr_clk_ops,
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.enable_reg = (void __iomem *)FSIACKCR,
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.rate = 0, /* unknown */
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};
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struct sh_fsi_platform_info fsi_info = {
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.porta_flags = SH_FSI_BRS_INV |
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SH_FSI_OUT_SLAVE_MODE |
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SH_FSI_IN_SLAVE_MODE |
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SH_FSI_OFMT(PCM) |
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SH_FSI_IFMT(PCM),
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};
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static struct resource fsi_resources[] = {
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[0] = {
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.name = "FSI",
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.start = 0xFE3C0000,
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.end = 0xFE3C0400 - 1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = IRQ_FSI,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device fsi_device = {
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.name = "sh_fsi2",
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.id = 0,
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.num_resources = ARRAY_SIZE(fsi_resources),
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.resource = fsi_resources,
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.dev = {
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.platform_data = &fsi_info,
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},
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};
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static struct platform_device *ap4evb_devices[] __initdata = {
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&nor_flash_device,
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&smc911x_device,
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@ -381,6 +446,7 @@ static struct platform_device *ap4evb_devices[] __initdata = {
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&usb1_host_device,
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&lcdc_device,
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&mipidsi0_device,
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&fsi_device,
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};
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/* TouchScreen (Needs SW3 set to OFF) */
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@ -391,6 +457,12 @@ struct tsc2007_platform_data tsc2007_info = {
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};
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/* I2C */
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static struct i2c_board_info i2c0_devices[] = {
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{
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I2C_BOARD_INFO("ak4643", 0x13),
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},
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};
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static struct i2c_board_info i2c1_devices[] = {
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{
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I2C_BOARD_INFO("r2025sd", 0x32),
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@ -463,8 +535,27 @@ eclkdsitxget:
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device_initcall(ap4evb_init_display_clk);
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/*
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* FIXME !!
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*
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* gpio_no_direction is quick_hack.
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*
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* current gpio frame work doesn't have
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* the method to control only pull up/down/free.
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* this function should be replaced by correct gpio function
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*/
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static void __init gpio_no_direction(u32 addr)
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{
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__raw_writeb(0x00, addr);
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}
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#define GPIO_PORT9CR 0xE6051009
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#define GPIO_PORT10CR 0xE605100A
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static void __init ap4evb_init(void)
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{
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struct clk *clk;
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sh7372_pinmux_init();
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/* enable SCIFA0 */
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@ -529,9 +620,6 @@ static void __init ap4evb_init(void)
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gpio_request(GPIO_FN_IRQ28_123, NULL);
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set_irq_type(IRQ28, IRQ_TYPE_LEVEL_LOW);
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i2c_register_board_info(1, i2c1_devices,
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ARRAY_SIZE(i2c1_devices));
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/* USB enable */
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gpio_request(GPIO_FN_VBUS0_1, NULL);
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gpio_request(GPIO_FN_IDIN_1_18, NULL);
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@ -543,6 +631,47 @@ static void __init ap4evb_init(void)
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/* setup USB phy */
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__raw_writew(0x8a0a, 0xE6058130); /* USBCR2 */
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/* enable FSI2 */
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gpio_request(GPIO_FN_FSIAIBT, NULL);
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gpio_request(GPIO_FN_FSIAILR, NULL);
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gpio_request(GPIO_FN_FSIAISLD, NULL);
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gpio_request(GPIO_FN_FSIAOSLD, NULL);
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gpio_request(GPIO_PORT161, NULL);
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gpio_direction_output(GPIO_PORT161, 0); /* slave */
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gpio_request(GPIO_PORT9, NULL);
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gpio_request(GPIO_PORT10, NULL);
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gpio_no_direction(GPIO_PORT9CR); /* FSIAOBT needs no direction */
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gpio_no_direction(GPIO_PORT10CR); /* FSIAOLR needs no direction */
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/* set SPU2 clock to 119.6 MHz */
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clk = clk_get(NULL, "spu_clk");
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if (!IS_ERR_VALUE(clk)) {
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clk_set_rate(clk, clk_round_rate(clk, 119600000));
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clk_put(clk);
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}
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/* change parent of FSI A */
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clk = clk_get(NULL, "fsia_clk");
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if (!IS_ERR_VALUE(clk)) {
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clk_register(&fsiackcr_clk);
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clk_set_parent(clk, &fsiackcr_clk);
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clk_put(clk);
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}
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/*
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* set irq priority, to avoid sound chopping
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* when NFS rootfs is used
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* FSI(3) > SMSC911X(2)
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*/
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intc_set_priority(IRQ_FSI, 3);
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i2c_register_board_info(0, i2c0_devices,
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ARRAY_SIZE(i2c0_devices));
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i2c_register_board_info(1, i2c1_devices,
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ARRAY_SIZE(i2c1_devices));
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sh7372_add_standard_devices();
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platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices));
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@ -246,7 +246,7 @@ enum { MSTP001,
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MSTP106, MSTP101, MSTP100,
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MSTP223,
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MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200,
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MSTP329, MSTP323, MSTP322, MSTP314, MSTP313,
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MSTP329, MSTP328, MSTP323, MSTP322, MSTP314, MSTP313,
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MSTP415, MSTP410, MSTP411, MSTP406, MSTP403,
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MSTP_NR };
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@ -274,6 +274,7 @@ static struct clk mstp_clks[MSTP_NR] = {
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[MSTP201] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 1, 0), /* SCIFA3 */
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[MSTP200] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR2, 0, 0), /* SCIFA4 */
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[MSTP329] = MSTP(&r_clk, SMSTPCR3, 29, 0), /* CMT10 */
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[MSTP328] = MSTP(&div6_clks[DIV6_SPU], SMSTPCR3, 28, CLK_ENABLE_ON_INIT), /* FSIA */
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[MSTP323] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 23, 0), /* IIC1 */
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[MSTP322] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 22, 0), /* USB0 */
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[MSTP314] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 14, 0), /* SDHI0 */
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@ -356,6 +357,7 @@ static struct clk_lookup lookups[] = {
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CLKDEV_DEV_ID("sh-sci.3", &mstp_clks[MSTP201]), /* SCIFA3 */
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CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP200]), /* SCIFA4 */
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CLKDEV_CON_ID("cmt1", &mstp_clks[MSTP329]), /* CMT10 */
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CLKDEV_DEV_ID("sh_fsi", &mstp_clks[MSTP328]), /* FSI */
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CLKDEV_DEV_ID("i2c-sh_mobile.1", &mstp_clks[MSTP323]), /* IIC1 */
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CLKDEV_DEV_ID("r8a66597_hcd.0", &mstp_clks[MSTP323]), /* USB0 */
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CLKDEV_DEV_ID("r8a66597_udc.0", &mstp_clks[MSTP323]), /* USB0 */
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