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| author | Simon Glass <sjg@chromium.org> | 2012-10-17 13:24:46 +0000 |
|---|---|---|
| committer | Tom Warren <twarren@nvidia.com> | 2012-11-19 08:15:35 -0700 |
| commit | b34449611025837f315485c7bf54bf5b7ae85d06 (patch) | |
| tree | bc6d8d62d015a82dd07230ac6a15a737af03cedf /arch/arm/cpu/tegra20-common | |
| parent | 95be58c988ce5d75baf47da88caeae086f9b51d0 (diff) | |
| download | u-boot-imx-b34449611025837f315485c7bf54bf5b7ae85d06.zip u-boot-imx-b34449611025837f315485c7bf54bf5b7ae85d06.tar.gz u-boot-imx-b34449611025837f315485c7bf54bf5b7ae85d06.tar.bz2 | |
tegra: Add display support to funcmux
Add support for a default pin mapping for display1.
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
Diffstat (limited to 'arch/arm/cpu/tegra20-common')
| -rw-r--r-- | arch/arm/cpu/tegra20-common/funcmux.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/arm/cpu/tegra20-common/funcmux.c b/arch/arm/cpu/tegra20-common/funcmux.c index 00b8029..ece7ad9 100644 --- a/arch/arm/cpu/tegra20-common/funcmux.c +++ b/arch/arm/cpu/tegra20-common/funcmux.c @@ -25,6 +25,30 @@ #include <asm/arch/funcmux.h> #include <asm/arch/pinmux.h> +/* + * The PINMUX macro is used to set up pinmux tables. + */ +#define PINMUX(grp, mux, pupd, tri) \ + {PINGRP_##grp, PMUX_FUNC_##mux, PMUX_PULL_##pupd, PMUX_TRI_##tri} + +static const struct pingroup_config disp1_default[] = { + PINMUX(LDI, DISPA, NORMAL, NORMAL), + PINMUX(LHP0, DISPA, NORMAL, NORMAL), + PINMUX(LHP1, DISPA, NORMAL, NORMAL), + PINMUX(LHP2, DISPA, NORMAL, NORMAL), + PINMUX(LHS, DISPA, NORMAL, NORMAL), + PINMUX(LM0, RSVD4, NORMAL, NORMAL), + PINMUX(LPP, DISPA, NORMAL, NORMAL), + PINMUX(LPW0, DISPA, NORMAL, NORMAL), + PINMUX(LPW2, DISPA, NORMAL, NORMAL), + PINMUX(LSC0, DISPA, NORMAL, NORMAL), + PINMUX(LSPI, DISPA, NORMAL, NORMAL), + PINMUX(LVP1, DISPA, NORMAL, NORMAL), + PINMUX(LVS, DISPA, NORMAL, NORMAL), + PINMUX(SLXD, SPDIF, NORMAL, NORMAL), +}; + + int funcmux_select(enum periph_id id, int config) { int bad_config = config != FUNCMUX_DEFAULT; @@ -257,6 +281,19 @@ int funcmux_select(enum periph_id id, int config) break; } break; + case PERIPH_ID_DISP1: + if (config == FUNCMUX_DEFAULT) { + int i; + + for (i = PINGRP_LD0; i <= PINGRP_LD17; i++) { + pinmux_set_func(i, PMUX_FUNC_DISPA); + pinmux_tristate_disable(i); + pinmux_set_pullupdown(i, PMUX_PULL_NORMAL); + } + pinmux_config_table(disp1_default, + ARRAY_SIZE(disp1_default)); + } + break; default: debug("%s: invalid periph_id %d", __func__, id); |