usb, clock controller
This commit is contained in:
haru
parent
5605892411
commit
207b4c8202
1
.gitignore
vendored
1
.gitignore
vendored
@ -49,6 +49,7 @@
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*.zst
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Module.symvers
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modules.order
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uImage
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#
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# Top-level generic files
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@ -80,4 +80,22 @@
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interrupts = <12>;
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reg-shift = <2>;
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};
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clock-controller@b2100000 {
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compatible = "cavium,cnc1800l-clockctrl";
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reg = <0xb2100000 0x1000>;
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clocks = <&pclk>;
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};
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usb0: ohci@80210000 {
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compatible = "cavium,cnc1800l-ohci", "usb-ohci";
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reg = <0x80210000 0x1000>;
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interrupts = <27>;
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};
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usb1: ehci@80210000 {
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compatible = "cavium,cnc1800l-ehci", "usb-ehci";
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reg = <0x80200000 0x1000>;
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interrupts = <22>;
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};
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};
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@ -25,4 +25,11 @@
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#define PA_TIMER1_BASE (PA_IO_REGS_BASE + 0x180000)
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#define PA_APB_TIMER_BASE (PA_IO_REGS_BASE + 0xe2000)
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#define PA_VIC_BASE (PA_IO_REGS_BASE + 0x40000)
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#define PA_I2C_BASE (PA_IO_REGS_BASE + 0x70000)
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#define PA_I2C2_BASE (PA_IO_REGS_BASE + 0x74000)
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#define PA_FPC_BASE (PA_IO_REGS_BASE + 0x72000)
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#define PA_GPIO_BASE (PA_IO_REGS_BASE + 0x160000)
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#define PA_SCI_BASE (PA_IO_REGS_BASE + 0xf0000)
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#define PA_USB_EHCI_BASE (PA_IO_REGS_BASE + 0x100000)
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#define PA_USB_OHCI_BASE (PA_IO_REGS_BASE + 0x110000)
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#endif
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@ -18,6 +18,7 @@ endif
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# hardware specific clock types
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# please keep this section sorted lexicographically by file path name
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obj-$(CONFIG_MACH_ASM9260) += clk-asm9260.o
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obj-$(CONFIG_MACH_CELESTIAL) += clk-cnc1800l.o
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obj-$(CONFIG_COMMON_CLK_AXI_CLKGEN) += clk-axi-clkgen.o
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obj-$(CONFIG_ARCH_AXXIA) += clk-axm5516.o
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obj-$(CONFIG_COMMON_CLK_BD718XX) += clk-bd718x7.o
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134
drivers/clk/clk-cnc1800l.c
Normal file
134
drivers/clk/clk-cnc1800l.c
Normal file
@ -0,0 +1,134 @@
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/****************************************************************************
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* Copyright (C) 2008-2010 Celestial Semiconductor Inc.
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* All rights reserved
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*
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* [RELEASE HISTORY]
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* VERSION DATE AUTHOR DESCRIPTION
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* 0.1 10-03-10 Jia Ma Original
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****************************************************************************
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*/
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#include <linux/clk.h>
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#include <linux/clkdev.h>
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#include <linux/err.h>
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#include <linux/io.h>
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#include <linux/clk-provider.h>
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#include <linux/spinlock.h>
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#include <linux/of.h>
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#include <linux/of_address.h>
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// #define CLOCK_ID_BASE (CLOCK_REG_BASE+(0<<2))
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// #define CLOCK_PLL_BASE (CLOCK_REG_BASE+(0x40<<2))
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// #define CLOCK_MUX_BASE (CLOCK_REG_BASE+(0x50<<2))
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// #define CLOCK_RESET_BASE (CLOCK_REG_BASE+(0x80<<2))
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// #define CLOCK_ID_LO (CLOCK_ID_BASE+(0<<2))
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// #define CLOCK_ID_HI (CLOCK_ID_BASE+(1<<2))
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// #define CLOCK_PLL_DDR_DIV (CLOCK_PLL_BASE+(0<<2))
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// #define CLOCK_PLL_AVS_DIV (CLOCK_PLL_BASE+(1<<2))
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// #define CLOCK_PLL_TVE_DIV (CLOCK_PLL_BASE+(2<<2))
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// #define CLOCK_AUD_HPD (CLOCK_PLL_BASE+(3<<2))
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// #define CLOCK_AUD_FREQ (CLOCK_PLL_BASE+(6<<2))
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// #define CLOCK_AUD_JITTER (CLOCK_PLL_BASE+(7<<2))
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// #define CLOCK_CLK_GEN_DIV (CLOCK_PLL_BASE+(8<<2))
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// #define CLOCK_PLL_CLK_EN (CLOCK_MUX_BASE+(0<<2))
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// #define CLOCK_TVE_SEL (CLOCK_MUX_BASE+(1<<2))
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// #define CLOCK_TVE_DIV_N (CLOCK_MUX_BASE+(2<<2))
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// #define CLOCK_SOFT_RESET (CLOCK_RESET_BASE+(0<<2))
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// #define CLOCK_CLK_RESET (CLOCK_RESET_BASE+(1<<2))
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// #define CLOCK_PLL_SLEEP_N (CLOCK_RESET_BASE+(3<<2))
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// #define CLOCK_DAC_POWER_DOWN (CLOCK_RESET_BASE+(4<<2))
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// #define CLOCK_XPORT_CLK_SEL (CLOCK_RESET_BASE+(5<<2))
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// #define CLOCK_USB_ULPI_BYPASS (CLOCK_RESET_BASE+(6<<2))
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// #define CLOCK_AUD_POWER_ON (CLOCK_RESET_BASE+(7<<2))
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// #define CLOCK_LOW_POWER_CTL (CLOCK_PLL_BASE+(0x10<<2))
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#define CLOCK_ID_BASE (0<<2)
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#define CLOCK_PLL_BASE (0x40<<2)
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#define CLOCK_MUX_BASE (0x50<<2)
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#define CLOCK_RESET_BASE (0x80<<2)
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#define CLOCK_ID_LO (CLOCK_ID_BASE+(0<<2))
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#define CLOCK_ID_HI (CLOCK_ID_BASE+(1<<2))
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#define CLOCK_PLL_DDR_DIV (CLOCK_PLL_BASE+(0<<2))
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#define CLOCK_PLL_AVS_DIV (CLOCK_PLL_BASE+(1<<2))
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#define CLOCK_PLL_TVE_DIV (CLOCK_PLL_BASE+(2<<2))
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#define CLOCK_AUD_HPD (CLOCK_PLL_BASE+(3<<2))
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#define CLOCK_AUD_FREQ (CLOCK_PLL_BASE+(6<<2))
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#define CLOCK_AUD_JITTER (CLOCK_PLL_BASE+(7<<2))
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#define CLOCK_CLK_GEN_DIV (CLOCK_PLL_BASE+(8<<2))
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#define CLOCK_PLL_CLK_EN (CLOCK_MUX_BASE+(0<<2))
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#define CLOCK_TVE_SEL (CLOCK_MUX_BASE+(1<<2))
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#define CLOCK_TVE_DIV_N (CLOCK_MUX_BASE+(2<<2))
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#define CLOCK_SOFT_RESET (CLOCK_RESET_BASE+(0<<2))
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#define CLOCK_CLK_RESET (CLOCK_RESET_BASE+(1<<2))
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#define CLOCK_PLL_SLEEP_N (CLOCK_RESET_BASE+(3<<2))
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#define CLOCK_DAC_POWER_DOWN (CLOCK_RESET_BASE+(4<<2))
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#define CLOCK_XPORT_CLK_SEL (CLOCK_RESET_BASE+(5<<2))
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#define CLOCK_USB_ULPI_BYPASS (CLOCK_RESET_BASE+(6<<2))
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#define CLOCK_AUD_POWER_ON (CLOCK_RESET_BASE+(7<<2))
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#define CLOCK_LOW_POWER_CTL (CLOCK_PLL_BASE+(0x10<<2))
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static void __iomem *cnc1800l_clockctrl_base;
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#define cnc_clk_read(a) readl(cnc1800l_clockctrl_base+((a)&0xfff))
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#define cnc_clk_write(a,v) writel(v,cnc1800l_clockctrl_base+((a)&0xfff))
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//mode 0:reset
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// 1:set
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void cnc1800l_clock_usb_reset(int mode){
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unsigned int val;
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if(mode == 0){
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val = cnc_clk_read(CLOCK_SOFT_RESET);
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cnc_clk_write(CLOCK_SOFT_RESET, val&(~(0x1<<4)));
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}else{
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val = cnc_clk_read(CLOCK_SOFT_RESET);
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cnc_clk_write(CLOCK_SOFT_RESET, val|(0x1<<4));
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}
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}
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void cnc1800l_clock_usb1phy_bypassenable(void)
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{
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unsigned int val;
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val = cnc_clk_read(CLOCK_USB_ULPI_BYPASS);
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cnc_clk_write(CLOCK_USB_ULPI_BYPASS, val|0x3);
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}
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void cnc1800l_clock_usb1phy_bypassdisable(void)
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{
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unsigned int reg_val;
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reg_val = cnc_clk_read(CLOCK_USB_ULPI_BYPASS);
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cnc_clk_write(CLOCK_USB_ULPI_BYPASS, reg_val|0x1);
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}
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static void __init cnc1800l_clock_init(struct device_node *np)
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{
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cnc1800l_clockctrl_base = of_io_request_and_map(np, 0, np->name);
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if (IS_ERR(cnc1800l_clockctrl_base)){
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panic("%pOFn: unable to map resource", np);
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goto fail;
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}
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printk("cnc1800l clockctrl init");
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return;
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fail:
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iounmap(cnc1800l_clockctrl_base);
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}
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EXPORT_SYMBOL(cnc1800l_clock_usb_reset);
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EXPORT_SYMBOL(cnc1800l_clock_usb1phy_bypassenable);
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EXPORT_SYMBOL(cnc1800l_clock_usb1phy_bypassdisable);
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CLK_OF_DECLARE(cnc1800l_clock, "cavium,cnc1800l-clockctrl",
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cnc1800l_clock_init);
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@ -257,6 +257,14 @@ config USB_EHCI_HCD_AT91
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Enables support for the on-chip EHCI controller on
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Atmel chips.
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config USB_EHCI_HCD_CNC1800L
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tristate "Support for Celestial on-chip EHCI USB controller"
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depends on USB_EHCI_HCD && (MACH_CELESTIAL || COMPILE_TEST)
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default y if MACH_CELESTIAL
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help
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Enables support for the on-chip EHCI controller on
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Celestial chips.
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config USB_EHCI_TEGRA
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tristate "NVIDIA Tegra HCD support"
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depends on ARCH_TEGRA
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@ -477,6 +485,14 @@ config USB_OHCI_HCD_AT91
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Enables support for the on-chip OHCI controller on
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Atmel chips.
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config USB_OHCI_HCD_CNC1800L
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tristate "Support for Celestial on-chip OHCI USB controller"
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depends on USB_OHCI_HCD && (MACH_CELESTIAL || COMPILE_TEST) && OF
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default y if MACH_CELESTIAL
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help
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Enables support for the on-chip OHCI controller on
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Celestial chips.
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config USB_OHCI_HCD_OMAP3
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tristate "OHCI support for OMAP3 and later chips"
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depends on ARCH_OMAP3 || ARCH_OMAP4 || SOC_OMAP5 || COMPILE_TEST
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@ -45,6 +45,7 @@ obj-$(CONFIG_USB_EHCI_HCD_SPEAR) += ehci-spear.o
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obj-$(CONFIG_USB_EHCI_HCD_STI) += ehci-st.o
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obj-$(CONFIG_USB_EHCI_EXYNOS) += ehci-exynos.o
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obj-$(CONFIG_USB_EHCI_HCD_AT91) += ehci-atmel.o
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obj-$(CONFIG_USB_EHCI_HCD_CNC1800L) += ehci-cnc1800l.o
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obj-$(CONFIG_USB_EHCI_BRCMSTB) += ehci-brcm.o
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obj-$(CONFIG_USB_OXU210HP_HCD) += oxu210hp-hcd.o
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@ -59,6 +60,7 @@ obj-$(CONFIG_USB_OHCI_HCD_OMAP1) += ohci-omap.o
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obj-$(CONFIG_USB_OHCI_HCD_SPEAR) += ohci-spear.o
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obj-$(CONFIG_USB_OHCI_HCD_STI) += ohci-st.o
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obj-$(CONFIG_USB_OHCI_HCD_AT91) += ohci-at91.o
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obj-$(CONFIG_USB_OHCI_HCD_CNC1800L) += ohci-cnc1800l.o
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obj-$(CONFIG_USB_OHCI_HCD_S3C2410) += ohci-s3c2410.o
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obj-$(CONFIG_USB_OHCI_HCD_LPC32XX) += ohci-nxp.o
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obj-$(CONFIG_USB_OHCI_HCD_PXA27X) += ohci-pxa27x.o
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219
drivers/usb/host/ehci-cnc1800l.c
Normal file
219
drivers/usb/host/ehci-cnc1800l.c
Normal file
@ -0,0 +1,219 @@
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/*
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* linux/driver/usb/host/ehci-csm18xx.c
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*
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* Copyright (c) 2010 celestialsemi corporation.
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*
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* Ran Hao <ran.hao@celestialsemi.cn>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation
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*
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*/
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/*
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* ehci-omap.c - driver for USBHOST on OMAP3/4 processors
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*
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* Bus Glue for the EHCI controllers in OMAP3/4
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* Tested on several OMAP3 boards, and OMAP4 Pandaboard
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*
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* Copyright (C) 2007-2013 Texas Instruments, Inc.
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* Author: Vikram Pandita <vikram.pandita@ti.com>
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* Author: Anand Gadiyar <gadiyar@ti.com>
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* Author: Keshava Munegowda <keshava_mgowda@ti.com>
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* Author: Roger Quadros <rogerq@ti.com>
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*
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* Copyright (C) 2009 Nokia Corporation
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* Contact: Felipe Balbi <felipe.balbi@nokia.com>
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*
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* Based on "ehci-fsl.c" and "ehci-au1xxx.c" ehci glue layers
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/io.h>
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#include <linux/platform_device.h>
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#include <linux/slab.h>
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#include <linux/usb/ulpi.h>
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#include <linux/usb/ehci_def.h>
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#include <linux/pm_runtime.h>
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#include <linux/clk.h>
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#include <linux/usb.h>
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#include <linux/usb/hcd.h>
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#include <linux/of.h>
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#include <linux/dma-mapping.h>
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#include "ehci.h"
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#define DRIVER_DESC "EHCI CNC1800L driver"
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extern void cnc1800l_clock_usb_reset(int mode);
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extern void cnc1800l_clock_usb1phy_bypassenable(void);
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extern void cnc1800l_clock_usb1phy_bypassdisable(void);
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static const char hcd_name[] = "ehci-cnc1800l";
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static struct hc_driver __read_mostly ehci_cnc1800l_hc_driver;
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static int usb_hcd_cnc18xx_make_hc(struct usb_hcd *hcd)
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{
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u32 *reg, val;
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reg = (u32 *)((char *)(hcd->regs) + 0x10);
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val = readl(reg);
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if ((val & 3) != 3 && (val & 3) != 0) {
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printk("usb_hcd_cnc18xx_make_hc(): unsane hardware state\n");
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return -EIO;
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}
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val |= 3;
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*reg = val;
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return 0;
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}
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static void cnc18xx_start_ehc(struct platform_device *dev)
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{
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/* Reset USB core */
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cnc1800l_clock_usb_reset(0);
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udelay(100);
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cnc1800l_clock_usb_reset(1);
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cnc1800l_clock_usb1phy_bypassenable();
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}
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static void cnc18xx_stop_ehc(struct platform_device *dev)
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{
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cnc1800l_clock_usb1phy_bypassdisable();
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}
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static int ehci_hcd_cnc1800l_probe(struct platform_device *pdev)
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{
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struct device *dev = &pdev->dev;
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struct resource *res;
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struct usb_hcd *hcd;
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int ret;
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int irq;
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struct ehci_hcd *ehci;
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irq = platform_get_irq(pdev, 0);
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if (irq < 0)
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return irq;
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/*
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* Right now device-tree probed devices don't get dma_mask set.
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* Since shared usb code relies on it, set it here for now.
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* Once we have dma capability bindings this can go away.
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*/
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ret = dma_coerce_mask_and_coherent(dev, DMA_BIT_MASK(32));
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if (ret)
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return ret;
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ret = -ENODEV;
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hcd = usb_create_hcd(&ehci_cnc1800l_hc_driver, dev,
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dev_name(dev));
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if (!hcd) {
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dev_err(dev, "Failed to create HCD\n");
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return -ENOMEM;
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}
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res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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hcd->regs = devm_ioremap_resource(dev, res);
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if (IS_ERR(hcd->regs))
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return PTR_ERR(hcd->regs);
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hcd->rsrc_start = res->start;
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hcd->rsrc_len = resource_size(res);
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platform_set_drvdata(pdev, hcd);
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cnc18xx_start_ehc(pdev);
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ret = usb_hcd_cnc18xx_make_hc(hcd);
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if(ret)
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return ret;
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ehci = hcd_to_ehci(hcd);
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ehci->caps = hcd->regs;
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ehci->regs = hcd->regs + HC_LENGTH(ehci, readl(&ehci->caps->hc_capbase));
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ehci->hcs_params = readl(&ehci->caps->hcs_params);
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ret = usb_add_hcd(hcd, irq, IRQF_SHARED);
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if (ret) {
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dev_err(dev, "failed to add hcd with err %d\n", ret);
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goto err;
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}
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device_wakeup_enable(hcd->self.controller);
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return 0;
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err:
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cnc18xx_stop_ehc(pdev);
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usb_put_hcd(hcd);
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return ret;
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}
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static int ehci_hcd_cnc1800l_remove(struct platform_device *pdev)
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{
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struct device *dev = &pdev->dev;
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struct usb_hcd *hcd = dev_get_drvdata(dev);
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usb_remove_hcd(hcd);
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cnc18xx_stop_ehc(pdev);
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usb_put_hcd(hcd);
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return 0;
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}
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void
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usb_hcd_cnc18xx_shutdown(struct platform_device* dev)
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{
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struct usb_hcd *hcd = platform_get_drvdata(dev);
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if (hcd->driver->shutdown)
|
||||
hcd->driver->shutdown(hcd);
|
||||
}
|
||||
|
||||
|
||||
static const struct of_device_id cnc1800l_ehci_dt_ids[] = {
|
||||
{ .compatible = "cavium,cnc1800l-ehci" },
|
||||
{ }
|
||||
};
|
||||
|
||||
static struct platform_driver ehci_hcd_cnc1800l_driver = {
|
||||
.probe = ehci_hcd_cnc1800l_probe,
|
||||
.remove = ehci_hcd_cnc1800l_remove,
|
||||
.shutdown = usb_hcd_cnc18xx_shutdown,
|
||||
.driver = {
|
||||
.name = hcd_name,
|
||||
.of_match_table = cnc1800l_ehci_dt_ids,
|
||||
}
|
||||
};
|
||||
|
||||
MODULE_DEVICE_TABLE(of, cnc1800l_ehci_dt_ids);
|
||||
|
||||
static int __init ehci_cnc1800l_init(void)
|
||||
{
|
||||
if (usb_disabled())
|
||||
return -ENODEV;
|
||||
|
||||
pr_info("%s: " DRIVER_DESC "\n", hcd_name);
|
||||
|
||||
ehci_init_driver(&ehci_cnc1800l_hc_driver, NULL);
|
||||
return platform_driver_register(&ehci_hcd_cnc1800l_driver);
|
||||
}
|
||||
module_init(ehci_cnc1800l_init);
|
||||
|
||||
static void __exit ehci_cnc1800l_cleanup(void)
|
||||
{
|
||||
platform_driver_unregister(&ehci_hcd_cnc1800l_driver);
|
||||
}
|
||||
module_exit(ehci_cnc1800l_cleanup);
|
||||
|
||||
|
||||
MODULE_ALIAS("platform:cnc1800l-ehci");
|
||||
|
||||
MODULE_DESCRIPTION(DRIVER_DESC);
|
||||
MODULE_LICENSE("GPL");
|
||||
MODULE_SOFTDEP("post: clk-cnc1800l");
|
||||
175
drivers/usb/host/ohci-cnc1800l.c
Normal file
175
drivers/usb/host/ohci-cnc1800l.c
Normal file
@ -0,0 +1,175 @@
|
||||
/*
|
||||
* OHCI HCD (Host Controller Driver) for USB.
|
||||
*
|
||||
* (C) Copyright 2010 celestialsemi Company
|
||||
*
|
||||
* Bus Glue for CNC1800H
|
||||
*
|
||||
* Written by Ran Hao <ran.hao@celestialsemi.cn>
|
||||
*
|
||||
*
|
||||
* This file is licenced under the GPL.
|
||||
*/
|
||||
|
||||
/*
|
||||
* OHCI HCD (Host Controller Driver) for USB.
|
||||
*
|
||||
* Copyright (C) 2004 SAN People (Pty) Ltd.
|
||||
* Copyright (C) 2005 Thibaut VARENE <varenet@parisc-linux.org>
|
||||
*
|
||||
* AT91 Bus Glue
|
||||
*
|
||||
* Based on fragments of 2.4 driver by Rick Bronson.
|
||||
* Based on ohci-omap.c
|
||||
*
|
||||
* This file is licenced under the GPL.
|
||||
*/
|
||||
|
||||
#include <linux/clk.h>
|
||||
#include <linux/io.h>
|
||||
#include <linux/of_platform.h>
|
||||
#include <linux/dma-mapping.h>
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/regmap.h>
|
||||
#include <linux/usb.h>
|
||||
#include <linux/usb/hcd.h>
|
||||
#include <linux/of_irq.h>
|
||||
|
||||
#include "ohci.h"
|
||||
|
||||
#define DRIVER_DESC "OHCI CNC1800L driver"
|
||||
|
||||
static const char hcd_name[] = "ohci-cnc1800l";
|
||||
|
||||
static struct hc_driver __read_mostly ohci_cnc1800l_hc_driver;
|
||||
|
||||
#define hcd_to_ohci_cnc1800l_priv(h) \
|
||||
((struct ohci_cnc1800l_priv *)hcd_to_ohci(h)->priv)
|
||||
|
||||
|
||||
struct ohci_cnc1800l_priv {
|
||||
struct clk *iclk;
|
||||
bool clocked;
|
||||
bool wakeup; /* Saved wake-up state for resume */
|
||||
struct regmap *sfr_regmap;
|
||||
};
|
||||
|
||||
static void cnc1800l_start_hc(struct device *dev)
|
||||
{
|
||||
/*
|
||||
* Set register pin to enable and 48MHz
|
||||
*/
|
||||
|
||||
uint8_t* clkreg = ioremap(0xB2100218,1);
|
||||
|
||||
// (*((volatile unsigned long *)(IO_ADDRESS(0xB2100218)))) =0x3;
|
||||
if(clkreg != NULL)
|
||||
*clkreg = 0x3;
|
||||
else
|
||||
dev_dbg(dev, "ohci: failed to enable 48m clock\n");
|
||||
|
||||
iounmap(clkreg);
|
||||
udelay(100);
|
||||
}
|
||||
|
||||
static int ohci_hcd_cnc1800l_drv_probe(struct platform_device *pdev)
|
||||
{
|
||||
struct device_node *np = pdev->dev.of_node;
|
||||
int ret, irq;
|
||||
struct usb_hcd *hcd;
|
||||
struct device *dev = &pdev->dev;
|
||||
struct ohci_cnc1800l_priv *ohci_cnc;
|
||||
struct resource *res;
|
||||
|
||||
|
||||
/* Right now device-tree probed devices don't get dma_mask set.
|
||||
* Since shared usb code relies on it, set it here for now.
|
||||
* Once we have dma capability bindings this can go away.
|
||||
*/
|
||||
ret = dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
irq = irq_of_parse_and_map(np, 0);
|
||||
if (irq < 0) {
|
||||
dev_dbg(dev, "hcd probe: missing irq resource\n");
|
||||
return irq;
|
||||
}
|
||||
|
||||
hcd = usb_create_hcd(&ohci_cnc1800l_hc_driver, dev, dev_name(dev));
|
||||
if (!hcd)
|
||||
return -ENOMEM;
|
||||
ohci_cnc = hcd_to_ohci_cnc1800l_priv(hcd);
|
||||
|
||||
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
||||
hcd->regs = devm_ioremap_resource(dev, res);
|
||||
if (IS_ERR(hcd->regs)) {
|
||||
ret = PTR_ERR(hcd->regs);
|
||||
goto err;
|
||||
}
|
||||
|
||||
hcd->rsrc_start = res->start;
|
||||
hcd->rsrc_len = resource_size(res);
|
||||
|
||||
cnc1800l_start_hc(dev);
|
||||
|
||||
ret = usb_add_hcd(hcd,irq, IRQF_SHARED);
|
||||
if(ret){
|
||||
dev_err(&pdev->dev, "Failed to add USB HCD\n");
|
||||
goto err;
|
||||
}
|
||||
|
||||
device_wakeup_enable(hcd->self.controller);
|
||||
return 0;
|
||||
err:
|
||||
usb_put_hcd(hcd);
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int ohci_hcd_cnc1800l_drv_remove(struct platform_device *pdev)
|
||||
{
|
||||
struct usb_hcd *hcd = platform_get_drvdata(pdev);
|
||||
usb_remove_hcd(hcd);
|
||||
usb_put_hcd(hcd);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct of_device_id ohci_hcd_cnc1800l_dt_ids[] = {
|
||||
{ .compatible = "cavium,cnc1800l-ohci" },
|
||||
{ }
|
||||
};
|
||||
|
||||
MODULE_DEVICE_TABLE(of, ohci_hcd_cnc1800l_dt_ids);
|
||||
|
||||
static struct platform_driver ohci_hcd_cnc1800l_driver = {
|
||||
.probe = ohci_hcd_cnc1800l_drv_probe,
|
||||
.remove = ohci_hcd_cnc1800l_drv_remove,
|
||||
.driver = {
|
||||
.name = "cnc1800l-ohci",
|
||||
.of_match_table = ohci_hcd_cnc1800l_dt_ids,
|
||||
},
|
||||
};
|
||||
|
||||
static int __init ohci_cnc1800l_init(void)
|
||||
{
|
||||
if (usb_disabled())
|
||||
return -ENODEV;
|
||||
|
||||
pr_info("%s: " DRIVER_DESC "\n", hcd_name);
|
||||
ohci_init_driver(&ohci_cnc1800l_hc_driver, NULL);
|
||||
|
||||
return platform_driver_register(&ohci_hcd_cnc1800l_driver);
|
||||
}
|
||||
module_init(ohci_cnc1800l_init);
|
||||
|
||||
static void __exit ohci_cnc1800l_cleanup(void)
|
||||
{
|
||||
platform_driver_unregister(&ohci_hcd_cnc1800l_driver);
|
||||
}
|
||||
module_exit(ohci_cnc1800l_cleanup);
|
||||
|
||||
MODULE_DESCRIPTION(DRIVER_DESC);
|
||||
MODULE_LICENSE("GPL");
|
||||
MODULE_ALIAS("platform:cnc1800l-ohci");
|
||||
Loading…
x
Reference in New Issue
Block a user