Commit 818fcac5 authored by Anton Vorontsov's avatar Anton Vorontsov Committed by Kumar Gala

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: default avatarAnton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: default avatarKumar Gala <galak@kernel.crashing.org>
parent a70e88bc
...@@ -173,6 +173,14 @@ scc4: serial@11a60 { ...@@ -173,6 +173,14 @@ scc4: serial@11a60 {
fsl,cpm-command = <0xce00000>; 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 { mdio@10d40 {
device_type = "mdio"; device_type = "mdio";
compatible = "fsl,mpc8272ads-mdio-bitbang", compatible = "fsl,mpc8272ads-mdio-bitbang",
......
...@@ -99,6 +99,15 @@ static struct cpm_pin mpc8272_ads_pins[] = { ...@@ -99,6 +99,15 @@ static struct cpm_pin mpc8272_ads_pins[] = {
/* I2C */ /* I2C */
{3, 14, CPM_PIN_INPUT | CPM_PIN_SECONDARY | CPM_PIN_OPENDRAIN}, {3, 14, CPM_PIN_INPUT | CPM_PIN_SECONDARY | CPM_PIN_OPENDRAIN},
{3, 15, 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) static void __init init_ioports(void)
...@@ -112,6 +121,8 @@ 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_RX);
cpm2_clk_setup(CPM_CLK_SCC1, CPM_BRG1, CPM_CLK_TX); 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_RX);
cpm2_clk_setup(CPM_CLK_SCC4, CPM_BRG4, CPM_CLK_TX); cpm2_clk_setup(CPM_CLK_SCC4, CPM_BRG4, CPM_CLK_TX);
cpm2_clk_setup(CPM_CLK_FCC1, CPM_CLK11, CPM_CLK_RX); cpm2_clk_setup(CPM_CLK_FCC1, CPM_CLK11, CPM_CLK_RX);
...@@ -147,6 +158,7 @@ static void __init mpc8272_ads_setup_arch(void) ...@@ -147,6 +158,7 @@ static void __init mpc8272_ads_setup_arch(void)
#define BCSR1_FETH_RST 0x04000000 #define BCSR1_FETH_RST 0x04000000
#define BCSR1_RS232_EN1 0x02000000 #define BCSR1_RS232_EN1 0x02000000
#define BCSR1_RS232_EN2 0x01000000 #define BCSR1_RS232_EN2 0x01000000
#define BCSR3_USB_nEN 0x80000000
#define BCSR3_FETHIEN2 0x10000000 #define BCSR3_FETHIEN2 0x10000000
#define BCSR3_FETH2_RST 0x08000000 #define BCSR3_FETH2_RST 0x08000000
...@@ -156,6 +168,8 @@ static void __init mpc8272_ads_setup_arch(void) ...@@ -156,6 +168,8 @@ static void __init mpc8272_ads_setup_arch(void)
clrbits32(&bcsr[3], BCSR3_FETHIEN2); clrbits32(&bcsr[3], BCSR3_FETHIEN2);
setbits32(&bcsr[3], BCSR3_FETH2_RST); setbits32(&bcsr[3], BCSR3_FETH2_RST);
clrbits32(&bcsr[3], BCSR3_USB_nEN);
iounmap(bcsr); iounmap(bcsr);
init_ioports(); init_ioports();
......
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