ARM: OMAP: omap camera builds again; Mistral init and mux

Support the camera connector on the OSK Mistral add-on board:

  - define muxing for both camera controllers
  - mux both of them for Mistral
  - teach ov9640 glue about mistral powerup/powerdown

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>

3 files changed, 79 insertions, 0 deletions

diff --git a/arch/arm/mach-omap1/board-osk.c b/arch/arm/mach-omap1/board-osk.c
index e7130293a03f..2bfa08870664 100644
--- a/arch/arm/mach-omap1/board-osk.c
+++ b/arch/arm/mach-omap1/board-osk.c
@@ -342,6 +342,38 @@ static void __init osk_mistral_init(void)
          * can't talk to the ads or even the i2c eeprom.
          */
 
+        /* parallel camera interface */
+        omap_cfg_reg(J15_1610_CAM_LCLK);
+        omap_cfg_reg(J18_1610_CAM_D7);
+        omap_cfg_reg(J19_1610_CAM_D6);
+        omap_cfg_reg(J14_1610_CAM_D5);
+        omap_cfg_reg(K18_1610_CAM_D4);
+        omap_cfg_reg(K19_1610_CAM_D3);
+        omap_cfg_reg(K15_1610_CAM_D2);
+        omap_cfg_reg(K14_1610_CAM_D1);
+        omap_cfg_reg(L19_1610_CAM_D0);
+        omap_cfg_reg(L18_1610_CAM_VS);
+        omap_cfg_reg(L15_1610_CAM_HS);
+        omap_cfg_reg(M19_1610_CAM_RSTZ);
+        omap_cfg_reg(Y15_1610_CAM_OUTCLK);
+
+        /* serial camera interface */
+        omap_cfg_reg(H19_1610_CAM_EXCLK);
+        omap_cfg_reg(W13_1610_CCP_CLKM);
+        omap_cfg_reg(Y12_1610_CCP_CLKP);
+        /* CCP_DATAM CONFLICTS WITH UART1.TX (and serial console) */
+        // omap_cfg_reg(Y14_1610_CCP_DATAM);
+        omap_cfg_reg(W14_1610_CCP_DATAP);
+
+        /* CAM_PWDN */
+        if (omap_request_gpio(11) == 0) {
+                omap_cfg_reg(N20_1610_GPIO11);
+                omap_set_gpio_direction(11, 0 /* out */);
+                omap_set_gpio_dataout(11, 0 /* off */);
+        } else
+                pr_debug("OSK+Mistral: CAM_PWDN is awol\n");
+
+
         // omap_cfg_reg(P19_1610_GPIO6);        // BUSY
         omap_cfg_reg(P20_1610_GPIO4);   // PENIRQ
         set_irq_type(OMAP_GPIO_IRQ(4), IRQT_FALLING);
diff --git a/arch/arm/mach-omap1/mux.c b/arch/arm/mach-omap1/mux.c
index 5432335bc493..52c70e5fcf65 100644
--- a/arch/arm/mach-omap1/mux.c
+++ b/arch/arm/mach-omap1/mux.c
@@ -283,6 +283,30 @@ MUX_CFG("R11_1610_CF_IOIS16",	 B,    0,    3,	  2,   16,   1,	  2,	 1,  1)
 MUX_CFG("V10_1610_CF_IREQ",      A,   24,    3,   2,   14,   0,   2,     0,  1)
 MUX_CFG("W10_1610_CF_RESET",     A,   18,    3,   2,   12,   1,   2,     1,  1)
 MUX_CFG("W11_1610_CF_CD1",      10,   15,    3,   3,    8,   1,   3,     1,  1)
+
+/* parallel camera */
+MUX_CFG("J15_1610_CAM_LCLK",     4,   24,    0,   0,  18,   1,    0,     0,  0)
+MUX_CFG("J18_1610_CAM_D7",       4,   27,    0,   0,  19,   1,    0,     0,  0)
+MUX_CFG("J19_1610_CAM_D6",       5,    0,    0,   0,  20,   1,    0,     0,  0)
+MUX_CFG("J14_1610_CAM_D5",       5,    3,    0,   0,  21,   1,    0,     0,  0)
+MUX_CFG("K18_1610_CAM_D4",       5,    6,    0,   0,  22,   1,    0,     0,  0)
+MUX_CFG("K19_1610_CAM_D3",       5,    9,    0,   0,  23,   1,    0,     0,  0)
+MUX_CFG("K15_1610_CAM_D2",       5,   12,    0,   0,  24,   1,    0,     0,  0)
+MUX_CFG("K14_1610_CAM_D1",       5,   15,    0,   0,  25,   1,    0,     0,  0)
+MUX_CFG("L19_1610_CAM_D0",       5,   18,    0,   0,  26,   1,    0,     0,  0)
+MUX_CFG("L18_1610_CAM_VS",       5,   21,    0,   0,  27,   1,    0,     0,  0)
+MUX_CFG("L15_1610_CAM_HS",       5,   24,    0,   0,  28,   1,    0,     0,  0)
+MUX_CFG("M19_1610_CAM_RSTZ",     5,   27,    0,   0,  29,   0,    0,     0,  0)
+MUX_CFG("Y15_1610_CAM_OUTCLK",   A,    0,    6,   2,   6,   0,    2,     0,  0)
+
+/* serial camera */
+MUX_CFG("H19_1610_CAM_EXCLK",    4,   21,    0,   0,  17,   0,    0,     0,  0)
+        /* REVISIT 5912 spec sez CCP_* can't pullup or pulldown ... ? */
+MUX_CFG("Y12_1610_CCP_CLKP",     8,   18,    6,   1,  24,   1,    1,     0,  0)
+MUX_CFG("W13_1610_CCP_CLKM",     9,    0,    6,   1,  28,   1,    1,     0,  0)
+MUX_CFG("W14_1610_CCP_DATAP",    9,   24,    6,   2,   4,   1,    2,     0,  0)
+MUX_CFG("Y14_1610_CCP_DATAM",    9,   21,    6,   2,   3,   1,    2,     0,  0)
+
 };
 #endif  /* CONFIG_ARCH_OMAP15XX || CONFIG_ARCH_OMAP16XX */
 
diff --git a/include/asm-arm/arch-omap/mux.h b/include/asm-arm/arch-omap/mux.h
index f1ec2edd4040..b8fff50e6a87 100644
--- a/include/asm-arm/arch-omap/mux.h
+++ b/include/asm-arm/arch-omap/mux.h
@@ -406,6 +406,29 @@ enum omap1xxx_index {
         V10_1610_CF_IREQ,
         W10_1610_CF_RESET,
         W11_1610_CF_CD1,
+
+        /* parallel camera */
+        J15_1610_CAM_LCLK,
+        J18_1610_CAM_D7,
+        J19_1610_CAM_D6,
+        J14_1610_CAM_D5,
+        K18_1610_CAM_D4,
+        K19_1610_CAM_D3,
+        K15_1610_CAM_D2,
+        K14_1610_CAM_D1,
+        L19_1610_CAM_D0,
+        L18_1610_CAM_VS,
+        L15_1610_CAM_HS,
+        M19_1610_CAM_RSTZ,
+        Y15_1610_CAM_OUTCLK,
+
+        /* serial camera */
+        H19_1610_CAM_EXCLK,
+        Y12_1610_CCP_CLKP,
+        W13_1610_CCP_CLKM,
+        W14_1610_CCP_DATAP,
+        Y14_1610_CCP_DATAM,
+
 };
 
 enum omap24xx_index {