From 71f5aba866570b0e8407b321d449ebd8baefcdd5 Mon Sep 17 00:00:00 2001 From: Richard Zhao Date: Thu, 12 Jul 2012 10:25:22 +0800 Subject: ARM: imx6q: add usb controller clock lookups Signed-off-by: Richard Zhao Signed-off-by: Shawn Guo --- arch/arm/mach-imx/clk-imx6q.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'arch/arm/mach-imx') diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c index 0bb855525fe8..d924ea77b1a5 100644 --- a/arch/arm/mach-imx/clk-imx6q.c +++ b/arch/arm/mach-imx/clk-imx6q.c @@ -401,6 +401,10 @@ int __init mx6q_clocks_init(void) clk_register_clkdev(clk[gpmi_bch], "gpmi_bch", "112000.gpmi-nand"); clk_register_clkdev(clk[gpmi_apb], "gpmi_apb", "112000.gpmi-nand"); clk_register_clkdev(clk[gpmi_io], "gpmi_io", "112000.gpmi-nand"); + clk_register_clkdev(clk[usboh3], NULL, "2184000.usb"); + clk_register_clkdev(clk[usboh3], NULL, "2184200.usb"); + clk_register_clkdev(clk[usboh3], NULL, "2184400.usb"); + clk_register_clkdev(clk[usboh3], NULL, "2184600.usb"); clk_register_clkdev(clk[uart_serial], "per", "2020000.serial"); clk_register_clkdev(clk[uart_ipg], "ipg", "2020000.serial"); clk_register_clkdev(clk[uart_serial], "per", "21e8000.serial"); -- cgit v1.2.3 From 7571d283c8cb11af7f3b28260e074217ded6c093 Mon Sep 17 00:00:00 2001 From: Richard Zhao Date: Thu, 12 Jul 2012 10:25:23 +0800 Subject: ARM: imx6q: add usbphy clocks Signed-off-by: Richard Zhao Signed-off-by: Shawn Guo --- arch/arm/mach-imx/clk-imx6q.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'arch/arm/mach-imx') diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c index d924ea77b1a5..d5e88c0d5e6c 100644 --- a/arch/arm/mach-imx/clk-imx6q.c +++ b/arch/arm/mach-imx/clk-imx6q.c @@ -152,7 +152,7 @@ enum mx6q_clks { ssi2, ssi3, uart_ipg, uart_serial, usboh3, usdhc1, usdhc2, usdhc3, usdhc4, vdo_axi, vpu_axi, cko1, pll1_sys, pll2_bus, pll3_usb_otg, pll4_audio, pll5_video, pll6_mlb, pll7_usb_host, pll8_enet, ssi1_ipg, - ssi2_ipg, ssi3_ipg, rom, + ssi2_ipg, ssi3_ipg, rom, usbphy1, usbphy2, clk_max }; @@ -198,6 +198,9 @@ int __init mx6q_clocks_init(void) clk[pll7_usb_host] = imx_clk_pllv3(IMX_PLLV3_USB, "pll7_usb_host","osc", base + 0x20, 0x2000, 0x3); clk[pll8_enet] = imx_clk_pllv3(IMX_PLLV3_ENET, "pll8_enet", "osc", base + 0xe0, 0x182000, 0x3); + clk[usbphy1] = imx_clk_gate("usbphy1", "pll3_usb_otg", base + 0x10, 6); + clk[usbphy2] = imx_clk_gate("usbphy2", "pll7_usb_host", base + 0x20, 6); + /* name parent_name reg idx */ clk[pll2_pfd0_352m] = imx_clk_pfd("pll2_pfd0_352m", "pll2_bus", base + 0x100, 0); clk[pll2_pfd1_594m] = imx_clk_pfd("pll2_pfd1_594m", "pll2_bus", base + 0x100, 1); @@ -405,6 +408,8 @@ int __init mx6q_clocks_init(void) clk_register_clkdev(clk[usboh3], NULL, "2184200.usb"); clk_register_clkdev(clk[usboh3], NULL, "2184400.usb"); clk_register_clkdev(clk[usboh3], NULL, "2184600.usb"); + clk_register_clkdev(clk[usbphy1], NULL, "20c9000.usbphy"); + clk_register_clkdev(clk[usbphy2], NULL, "20ca000.usbphy"); clk_register_clkdev(clk[uart_serial], "per", "2020000.serial"); clk_register_clkdev(clk[uart_ipg], "ipg", "2020000.serial"); clk_register_clkdev(clk[uart_serial], "per", "21e8000.serial"); -- cgit v1.2.3 From 396bf1c24e13f45686118acd550dd63b23035b23 Mon Sep 17 00:00:00 2001 From: Richard Zhao Date: Thu, 12 Jul 2012 10:25:24 +0800 Subject: ARM: imx6q: disable usb charger detector The external charger detector needs to be disabled, or the signal at DP will be poor Signed-off-by: Richard Zhao Signed-off-by: Shawn Guo --- arch/arm/mach-imx/mach-imx6q.c | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) (limited to 'arch/arm/mach-imx') diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c index b47e98b7d539..140f55010630 100644 --- a/arch/arm/mach-imx/mach-imx6q.c +++ b/arch/arm/mach-imx/mach-imx6q.c @@ -24,6 +24,7 @@ #include #include #include +#include #include #include #include @@ -113,6 +114,45 @@ static void __init imx6q_sabrelite_init(void) imx6q_sabrelite_cko1_setup(); } +static void __init imx6q_usb_init(void) +{ + struct device_node *np; + struct platform_device *pdev = NULL; + struct anatop *adata = NULL; + + np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-anatop"); + if (np) + pdev = of_find_device_by_node(np); + if (pdev) + adata = platform_get_drvdata(pdev); + if (!adata) { + if (np) + of_node_put(np); + return; + } + +#define HW_ANADIG_USB1_CHRG_DETECT 0x000001b0 +#define HW_ANADIG_USB2_CHRG_DETECT 0x00000210 + +#define BM_ANADIG_USB_CHRG_DETECT_EN_B 0x00100000 +#define BM_ANADIG_USB_CHRG_DETECT_CHK_CHRG_B 0x00080000 + + /* + * The external charger detector needs to be disabled, + * or the signal at DP will be poor + */ + anatop_write_reg(adata, HW_ANADIG_USB1_CHRG_DETECT, + BM_ANADIG_USB_CHRG_DETECT_EN_B + | BM_ANADIG_USB_CHRG_DETECT_CHK_CHRG_B, + ~0); + anatop_write_reg(adata, HW_ANADIG_USB2_CHRG_DETECT, + BM_ANADIG_USB_CHRG_DETECT_EN_B | + BM_ANADIG_USB_CHRG_DETECT_CHK_CHRG_B, + ~0); + + of_node_put(np); +} + static void __init imx6q_init_machine(void) { /* @@ -127,6 +167,7 @@ static void __init imx6q_init_machine(void) of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL); imx6q_pm_init(); + imx6q_usb_init(); } static void __init imx6q_map_io(void) -- cgit v1.2.3 From 9d5f6b51bdaff83b85069a2eee7a89c562a5daba Mon Sep 17 00:00:00 2001 From: Otavio Salvador Date: Wed, 11 Jul 2012 12:52:35 -0300 Subject: ARM: imx6q: ensure ANATOP controller is available During imx6q initialization the usb charger detector is disabled but for it, ANATOP controller symbols need to be available. Signed-off-by: Otavio Salvador Cc: Richard Zhao Signed-off-by: Shawn Guo --- arch/arm/mach-imx/Kconfig | 1 + 1 file changed, 1 insertion(+) (limited to 'arch/arm/mach-imx') diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig index c296851233e8..ebc4f3023679 100644 --- a/arch/arm/mach-imx/Kconfig +++ b/arch/arm/mach-imx/Kconfig @@ -834,6 +834,7 @@ config SOC_IMX6Q select HAVE_IMX_MMDC select HAVE_IMX_SRC select HAVE_SMP + select MFD_ANATOP select PINCTRL select PINCTRL_IMX6Q select USE_OF -- cgit v1.2.3