diff options
| author | Anton Vorontsov <avorontsov@ru.mvista.com> | 2009-08-19 03:28:17 +0400 |
|---|---|---|
| committer | Kumar Gala <galak@kernel.crashing.org> | 2009-08-25 18:44:06 +0400 |
| commit | 818fcac554397a04987d49e2bd2dfc2d394b265c (patch) | |
| tree | 5a4a21808be73365ba96c882f28bb8cfa3ba5944 | |
| parent | a70e88bc78d220a506394058d48cedd1c491a256 (diff) | |
| download | linux-818fcac554397a04987d49e2bd2dfc2d394b265c.tar.xz | |
powerpc/82xx: Add CPM USB Gadget support for MPC8272ADS boards
- Add usb node;
- Configure pins and clocks;
- Enable USB function in BCSR.
The support was successfully tested using serial and ethernet gadget
drivers.
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
| -rw-r--r-- | arch/powerpc/boot/dts/mpc8272ads.dts | 8 | ||||
| -rw-r--r-- | arch/powerpc/platforms/82xx/mpc8272_ads.c | 14 |
2 files changed, 22 insertions, 0 deletions
diff --git a/arch/powerpc/boot/dts/mpc8272ads.dts b/arch/powerpc/boot/dts/mpc8272ads.dts index 60f332778e41..e802ebd88cb1 100644 --- a/arch/powerpc/boot/dts/mpc8272ads.dts +++ b/arch/powerpc/boot/dts/mpc8272ads.dts @@ -173,6 +173,14 @@ fsl,cpm-command = <0xce00000>; }; + usb@11b60 { + compatible = "fsl,mpc8272-cpm-usb"; + reg = <0x11b60 0x40 0x8b00 0x100>; + interrupts = <11 8>; + interrupt-parent = <&PIC>; + mode = "peripheral"; + }; + mdio@10d40 { device_type = "mdio"; compatible = "fsl,mpc8272ads-mdio-bitbang", diff --git a/arch/powerpc/platforms/82xx/mpc8272_ads.c b/arch/powerpc/platforms/82xx/mpc8272_ads.c index 67e2184f4243..30394b409b3f 100644 --- a/arch/powerpc/platforms/82xx/mpc8272_ads.c +++ b/arch/powerpc/platforms/82xx/mpc8272_ads.c @@ -99,6 +99,15 @@ static struct cpm_pin mpc8272_ads_pins[] = { /* I2C */ {3, 14, CPM_PIN_INPUT | CPM_PIN_SECONDARY | CPM_PIN_OPENDRAIN}, {3, 15, CPM_PIN_INPUT | CPM_PIN_SECONDARY | CPM_PIN_OPENDRAIN}, + + /* USB */ + {2, 10, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, + {2, 11, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, + {2, 20, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY}, + {2, 24, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, + {3, 23, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY}, + {3, 24, CPM_PIN_OUTPUT | CPM_PIN_PRIMARY}, + {3, 25, CPM_PIN_INPUT | CPM_PIN_PRIMARY}, }; static void __init init_ioports(void) @@ -112,6 +121,8 @@ static void __init init_ioports(void) cpm2_clk_setup(CPM_CLK_SCC1, CPM_BRG1, CPM_CLK_RX); cpm2_clk_setup(CPM_CLK_SCC1, CPM_BRG1, CPM_CLK_TX); + cpm2_clk_setup(CPM_CLK_SCC3, CPM_CLK8, CPM_CLK_RX); + cpm2_clk_setup(CPM_CLK_SCC3, CPM_CLK8, CPM_CLK_TX); cpm2_clk_setup(CPM_CLK_SCC4, CPM_BRG4, CPM_CLK_RX); cpm2_clk_setup(CPM_CLK_SCC4, CPM_BRG4, CPM_CLK_TX); cpm2_clk_setup(CPM_CLK_FCC1, CPM_CLK11, CPM_CLK_RX); @@ -147,6 +158,7 @@ static void __init mpc8272_ads_setup_arch(void) #define BCSR1_FETH_RST 0x04000000 #define BCSR1_RS232_EN1 0x02000000 #define BCSR1_RS232_EN2 0x01000000 +#define BCSR3_USB_nEN 0x80000000 #define BCSR3_FETHIEN2 0x10000000 #define BCSR3_FETH2_RST 0x08000000 @@ -156,6 +168,8 @@ static void __init mpc8272_ads_setup_arch(void) clrbits32(&bcsr[3], BCSR3_FETHIEN2); setbits32(&bcsr[3], BCSR3_FETH2_RST); + clrbits32(&bcsr[3], BCSR3_USB_nEN); + iounmap(bcsr); init_ioports(); |