[PATCH RESEND 03/15] ARM: clps711x: autcpu12: Move LCD DPOT definitions to board file
Alexander Shiyan
shc_work at mail.ru
Wed Jun 5 01:59:11 EDT 2013
We do not have driver for Up/Down digital potentiometer (DPOT), so
just define pins as GPIOs and export these pins to user.
Signed-off-by: Alexander Shiyan <shc_work at mail.ru>
---
arch/arm/mach-clps711x/board-autcpu12.c | 14 ++++++++++++++
arch/arm/mach-clps711x/include/mach/autcpu12.h | 8 --------
2 files changed, 14 insertions(+), 8 deletions(-)
diff --git a/arch/arm/mach-clps711x/board-autcpu12.c b/arch/arm/mach-clps711x/board-autcpu12.c
index 1e22cb4..78b528a 100644
--- a/arch/arm/mach-clps711x/board-autcpu12.c
+++ b/arch/arm/mach-clps711x/board-autcpu12.c
@@ -51,12 +51,18 @@
#define AUTCPU12_SMC_BASE (CS1_PHYS_BASE + 0x06000000)
#define AUTCPU12_SMC_SEL_BASE (AUTCPU12_SMC_BASE + 0x10)
+/* NAND flash */
#define AUTCPU12_MMGPIO_BASE (CLPS711X_NR_GPIO)
#define AUTCPU12_SMC_NCE (AUTCPU12_MMGPIO_BASE + 0) /* Bit 0 */
#define AUTCPU12_SMC_RDY CLPS711X_GPIO(1, 2)
#define AUTCPU12_SMC_ALE CLPS711X_GPIO(1, 3)
#define AUTCPU12_SMC_CLE CLPS711X_GPIO(1, 3)
+/* LCD contrast digital potentiometer */
+#define AUTCPU12_DPOT_CS CLPS711X_GPIO(4, 0)
+#define AUTCPU12_DPOT_CLK CLPS711X_GPIO(4, 1)
+#define AUTCPU12_DPOT_UD CLPS711X_GPIO(4, 2)
+
static struct resource autcpu12_cs8900_resource[] __initdata = {
DEFINE_RES_MEM(AUTCPU12_CS8900_BASE, SZ_1K),
DEFINE_RES_IRQ(AUTCPU12_CS8900_IRQ),
@@ -148,6 +154,12 @@ static struct platform_device autcpu12_mmgpio_pdev __initdata = {
},
};
+static const struct gpio autcpu12_gpios[] __initconst = {
+ { AUTCPU12_DPOT_CS, GPIOF_OUT_INIT_HIGH, "DPOT CS" },
+ { AUTCPU12_DPOT_CLK, GPIOF_OUT_INIT_LOW, "DPOT CLK" },
+ { AUTCPU12_DPOT_UD, GPIOF_OUT_INIT_LOW, "DPOT UD" },
+};
+
static void __init autcpu12_init(void)
{
clps711x_devices_init();
@@ -160,6 +172,8 @@ static void __init autcpu12_init(void)
static void __init autcpu12_init_late(void)
{
+ gpio_request_array(autcpu12_gpios, ARRAY_SIZE(autcpu12_gpios));
+
if (IS_ENABLED(MTD_NAND_GPIO) && IS_ENABLED(GPIO_GENERIC_PLATFORM)) {
/* We are need both drivers to handle NAND */
platform_device_register(&autcpu12_nand_pdev);
diff --git a/arch/arm/mach-clps711x/include/mach/autcpu12.h b/arch/arm/mach-clps711x/include/mach/autcpu12.h
index 0452f5f..b95d60a 100644
--- a/arch/arm/mach-clps711x/include/mach/autcpu12.h
+++ b/arch/arm/mach-clps711x/include/mach/autcpu12.h
@@ -48,12 +48,4 @@
#define AUTCPU12_PHYS_LPT CS1_PHYS_BASE +0x0E000000 /* physical */
-/*
-* defines for lcd contrast
-*/
-#define AUTCPU12_DPOT_PORT_OFFSET PEDR
-#define AUTCPU12_DPOT_CS (1<<0)
-#define AUTCPU12_DPOT_CLK (1<<1)
-#define AUTCPU12_DPOT_UD (1<<2)
-
#endif
--
1.8.1.5
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