diff options
author | Stefan Agner <stefan.agner@toradex.com> | 2015-04-21 15:25:52 +0200 |
---|---|---|
committer | Stefan Agner <stefan.agner@toradex.com> | 2015-04-21 16:44:11 +0200 |
commit | 82a4a8c1a72fd9675ffa371e9aaf0e184f90be14 (patch) | |
tree | d9fde27750629467f60eb439b44e55f2fe2f5346 /board | |
parent | 8e1eeb4337d575cf5f7b28842dc84361e35592dd (diff) |
video: dcu: Add DCU support for Vybrid SoC
The Vybrid SoC family has the same display controller unit (DCU)
like the LS1021A SoC. This patch adds platform data, pinmux defines
and clock control to enable the driver for Vybrid based boards too.
Diffstat (limited to 'board')
-rw-r--r-- | board/toradex/colibri_vf/Makefile | 1 | ||||
-rw-r--r-- | board/toradex/colibri_vf/colibri_vf.c | 58 | ||||
-rw-r--r-- | board/toradex/colibri_vf/dcu.c | 32 |
3 files changed, 91 insertions, 0 deletions
diff --git a/board/toradex/colibri_vf/Makefile b/board/toradex/colibri_vf/Makefile index c7e5134ba1e..b5233b040ed 100644 --- a/board/toradex/colibri_vf/Makefile +++ b/board/toradex/colibri_vf/Makefile @@ -5,3 +5,4 @@ # obj-y := colibri_vf.o +obj-$(CONFIG_FSL_DCU_FB) += dcu.o diff --git a/board/toradex/colibri_vf/colibri_vf.c b/board/toradex/colibri_vf/colibri_vf.c index 5158346f18a..d9cc5fae5e8 100644 --- a/board/toradex/colibri_vf/colibri_vf.c +++ b/board/toradex/colibri_vf/colibri_vf.c @@ -149,6 +149,49 @@ static void setup_iomux_nfc(void) } #endif +#ifdef CONFIG_FSL_DCU_FB +static void setup_iomux_fsl_dcu(void) +{ + static const iomux_v3_cfg_t dcu0_pads[] = { + VF610_PAD_PTE0__DCU0_HSYNC, + VF610_PAD_PTE1__DCU0_VSYNC, + VF610_PAD_PTE2__DCU0_PCLK, + VF610_PAD_PTE4__DCU0_DE, + VF610_PAD_PTE5__DCU0_R0, + VF610_PAD_PTE6__DCU0_R1, + VF610_PAD_PTE7__DCU0_R2, + VF610_PAD_PTE8__DCU0_R3, + VF610_PAD_PTE9__DCU0_R4, + VF610_PAD_PTE10__DCU0_R5, + VF610_PAD_PTE11__DCU0_R6, + VF610_PAD_PTE12__DCU0_R7, + VF610_PAD_PTE13__DCU0_G0, + VF610_PAD_PTE14__DCU0_G1, + VF610_PAD_PTE15__DCU0_G2, + VF610_PAD_PTE16__DCU0_G3, + VF610_PAD_PTE17__DCU0_G4, + VF610_PAD_PTE18__DCU0_G5, + VF610_PAD_PTE19__DCU0_G6, + VF610_PAD_PTE20__DCU0_G7, + VF610_PAD_PTE21__DCU0_B0, + VF610_PAD_PTE22__DCU0_B1, + VF610_PAD_PTE23__DCU0_B2, + VF610_PAD_PTE24__DCU0_B3, + VF610_PAD_PTE25__DCU0_B4, + VF610_PAD_PTE26__DCU0_B5, + VF610_PAD_PTE27__DCU0_B6, + VF610_PAD_PTE28__DCU0_B7, + }; + + imx_iomux_v3_setup_multiple_pads(dcu0_pads, ARRAY_SIZE(dcu0_pads)); +} + +static void setup_tcon(void) +{ + setbits_le32(TCON0_BASE_ADDR, (1 << 29)); +} +#endif + #ifdef CONFIG_FSL_ESDHC struct fsl_esdhc_cfg esdhc_cfg[1] = { {ESDHC1_BASE_ADDR}, @@ -280,6 +323,17 @@ static void clock_init(void) CCM_CSCDR3_NFC_PRE_DIV(5)); clrsetbits_le32(&ccm->cscmr2, CCM_REG_CTRL_MASK, CCM_CSCMR2_RMII_CLK_SEL(2)); + +#ifdef CONFIG_FSL_DCU_FB + setbits_le32(&ccm->ccgr1, CCM_CCGR1_TCON0_CTRL_MASK); + + setbits_le32(&ccm->ccgr3, CCM_CCGR3_DCU0_CTRL_MASK); + + clrbits_le32(&ccm->cscmr1, CCM_CSCMR1_DCU0_CLK_SEL); + clrsetbits_le32(&ccm->cscdr3, + CCM_CSCDR3_DCU0_DIV_MASK | CCM_CSCDR3_DCU0_EN, + CCM_CSCDR3_DCU0_DIV(0) | CCM_CSCDR3_DCU0_EN); +#endif } static void mscm_init(void) @@ -310,6 +364,10 @@ int board_early_init_f(void) #ifdef CONFIG_NAND_VF610_NFC setup_iomux_nfc(); #endif +#ifdef CONFIG_FSL_DCU_FB + setup_tcon(); + setup_iomux_fsl_dcu(); +#endif return 0; } diff --git a/board/toradex/colibri_vf/dcu.c b/board/toradex/colibri_vf/dcu.c new file mode 100644 index 00000000000..861b95c948a --- /dev/null +++ b/board/toradex/colibri_vf/dcu.c @@ -0,0 +1,32 @@ +/* + * Copyright 2015 Toradex AG + * + * FSL DCU platform driver + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <asm/arch/crm_regs.h> +#include <common.h> +#include <fsl_dcu_fb.h> +#include "div64.h" + +DECLARE_GLOBAL_DATA_PTR; + +unsigned int dcu_set_pixel_clock(unsigned int pixclock) +{ + unsigned long long div; + + div = (unsigned long long)(PLL1_PFD2_FREQ / 1000); + do_div(div, pixclock); + + return div; +} + +int platform_dcu_init(unsigned int xres, unsigned int yres, + const char *port, + struct fb_videomode *dcu_fb_videomode) +{ + fsl_dcu_init(xres, yres, 32); + + return 0; +} |