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ARM: tegra: pinmux: Add missing drive pingroups and fix suspend 

Adds missing drive pingroups, saves all drive pingroups in
suspend, and restores the pinmux registers in the proper order.

Signed-off-by: Gary King <gking@nvidia.com>
Signed-off-by: Colin Cross <ccross@android.com>
This commit is contained in:
Gary King 2010-08-18 00:19:58 -07:00 committed by Colin Cross
parent cea62c878d
commit 3c3895b4bf
2 changed files with 31 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
arch/arm/mach-tegra/include/mach/pinmux-t2.h
View File

@ -167,6 +167,16 @@ enum tegra_drive_pingroup {
TEGRA_DRIVE_PINGROUP_XM2D, TEGRA_DRIVE_PINGROUP_XM2D,
TEGRA_DRIVE_PINGROUP_XM2CLK, TEGRA_DRIVE_PINGROUP_XM2CLK,
TEGRA_DRIVE_PINGROUP_MEMCOMP, TEGRA_DRIVE_PINGROUP_MEMCOMP,
TEGRA_DRIVE_PINGROUP_SDIO1,
TEGRA_DRIVE_PINGROUP_CRT,
TEGRA_DRIVE_PINGROUP_DDC,
TEGRA_DRIVE_PINGROUP_GMA,
TEGRA_DRIVE_PINGROUP_GMB,
TEGRA_DRIVE_PINGROUP_GMC,
TEGRA_DRIVE_PINGROUP_GMD,
TEGRA_DRIVE_PINGROUP_GME,
TEGRA_DRIVE_PINGROUP_OWR,
TEGRA_DRIVE_PINGROUP_UAD,
TEGRA_MAX_DRIVE_PINGROUP, TEGRA_MAX_DRIVE_PINGROUP,
}; };

25
arch/arm/mach-tegra/pinmux-t2-tables.c
View File

@ -66,6 +66,16 @@ const struct tegra_drive_pingroup_desc tegra_soc_drive_pingroups[TEGRA_MAX_DRIVE
DRIVE_PINGROUP(XM2D, 0x8cc), DRIVE_PINGROUP(XM2D, 0x8cc),
DRIVE_PINGROUP(XM2CLK, 0x8d0), DRIVE_PINGROUP(XM2CLK, 0x8d0),
DRIVE_PINGROUP(MEMCOMP, 0x8d4), DRIVE_PINGROUP(MEMCOMP, 0x8d4),
DRIVE_PINGROUP(SDIO1, 0x8e0),
DRIVE_PINGROUP(CRT, 0x8ec),
DRIVE_PINGROUP(DDC, 0x8f0),
DRIVE_PINGROUP(GMA, 0x8f4),
DRIVE_PINGROUP(GMB, 0x8f8),
DRIVE_PINGROUP(GMC, 0x8fc),
DRIVE_PINGROUP(GMD, 0x900),
DRIVE_PINGROUP(GME, 0x904),
DRIVE_PINGROUP(OWR, 0x908),
DRIVE_PINGROUP(UAD, 0x90c),
}; };
#define PINGROUP(pg_name, vdd, f0, f1, f2, f3, f_safe, \ #define PINGROUP(pg_name, vdd, f0, f1, f2, f3, f_safe, \
@ -217,7 +227,8 @@ const struct tegra_pingroup_desc tegra_soc_pingroups[TEGRA_MAX_PINGROUP] = {
#define PULLUPDOWN_REG_NUM 5 #define PULLUPDOWN_REG_NUM 5
static u32 pinmux_reg[TRISTATE_REG_NUM + PIN_MUX_CTL_REG_NUM + static u32 pinmux_reg[TRISTATE_REG_NUM + PIN_MUX_CTL_REG_NUM +
PULLUPDOWN_REG_NUM]; PULLUPDOWN_REG_NUM +
ARRAY_SIZE(tegra_soc_drive_pingroups)];
static inline unsigned long pg_readl(unsigned long offset) static inline unsigned long pg_readl(unsigned long offset)
{ {
@ -234,14 +245,17 @@ void tegra_pinmux_suspend(void)
unsigned int i; unsigned int i;
u32 *ctx = pinmux_reg; u32 *ctx = pinmux_reg;
for (i = 0; i < TRISTATE_REG_NUM; i++)
*ctx++ = pg_readl(TRISTATE_REG_A + i*4);
for (i = 0; i < PIN_MUX_CTL_REG_NUM; i++) for (i = 0; i < PIN_MUX_CTL_REG_NUM; i++)
*ctx++ = pg_readl(PIN_MUX_CTL_REG_A + i*4); *ctx++ = pg_readl(PIN_MUX_CTL_REG_A + i*4);
for (i = 0; i < PULLUPDOWN_REG_NUM; i++) for (i = 0; i < PULLUPDOWN_REG_NUM; i++)
*ctx++ = pg_readl(PULLUPDOWN_REG_A + i*4); *ctx++ = pg_readl(PULLUPDOWN_REG_A + i*4);
for (i = 0; i < TRISTATE_REG_NUM; i++)
*ctx++ = pg_readl(TRISTATE_REG_A + i*4);
for (i = 0; i < ARRAY_SIZE(tegra_soc_drive_pingroups); i++)
*ctx++ = pg_readl(tegra_soc_drive_pingroups[i].reg);
} }
void tegra_pinmux_resume(void) void tegra_pinmux_resume(void)
@ -257,5 +271,8 @@ void tegra_pinmux_resume(void)
for (i = 0; i < TRISTATE_REG_NUM; i++) for (i = 0; i < TRISTATE_REG_NUM; i++)
pg_writel(*ctx++, TRISTATE_REG_A + i*4); pg_writel(*ctx++, TRISTATE_REG_A + i*4);
for (i = 0; i < ARRAY_SIZE(tegra_soc_drive_pingroups); i++)
pg_writel(*ctx++, tegra_soc_drive_pingroups[i].reg);
} }
#endif #endif