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authorAlexander Shiyan <shc_work@mail.ru>2013-05-13 13:07:24 -0400
committerOlof Johansson <olof@lixom.net>2013-06-11 18:47:19 -0400
commitba18ec214e4a8a45a164bbb4b2a8af401dd5b408 (patch)
treec3536ac6f80b0ec582d4dfc896cc3a9240f56120 /arch/arm
parent2a6f06141533fc48dc4077b0b4a9e722c1b72711 (diff)
ARM: clps711x: autcpu12: Move LCD DPOT definitions to board file
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@mail.ru> Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mach-clps711x/board-autcpu12.c14
-rw-r--r--arch/arm/mach-clps711x/include/mach/autcpu12.h8
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 1e22cb4726be..78b528aa3ba7 100644
--- a/arch/arm/mach-clps711x/board-autcpu12.c
+++ b/arch/arm/mach-clps711x/board-autcpu12.c
@@ -51,12 +51,18 @@
51#define AUTCPU12_SMC_BASE (CS1_PHYS_BASE + 0x06000000) 51#define AUTCPU12_SMC_BASE (CS1_PHYS_BASE + 0x06000000)
52#define AUTCPU12_SMC_SEL_BASE (AUTCPU12_SMC_BASE + 0x10) 52#define AUTCPU12_SMC_SEL_BASE (AUTCPU12_SMC_BASE + 0x10)
53 53
54/* NAND flash */
54#define AUTCPU12_MMGPIO_BASE (CLPS711X_NR_GPIO) 55#define AUTCPU12_MMGPIO_BASE (CLPS711X_NR_GPIO)
55#define AUTCPU12_SMC_NCE (AUTCPU12_MMGPIO_BASE + 0) /* Bit 0 */ 56#define AUTCPU12_SMC_NCE (AUTCPU12_MMGPIO_BASE + 0) /* Bit 0 */
56#define AUTCPU12_SMC_RDY CLPS711X_GPIO(1, 2) 57#define AUTCPU12_SMC_RDY CLPS711X_GPIO(1, 2)
57#define AUTCPU12_SMC_ALE CLPS711X_GPIO(1, 3) 58#define AUTCPU12_SMC_ALE CLPS711X_GPIO(1, 3)
58#define AUTCPU12_SMC_CLE CLPS711X_GPIO(1, 3) 59#define AUTCPU12_SMC_CLE CLPS711X_GPIO(1, 3)
59 60
61/* LCD contrast digital potentiometer */
62#define AUTCPU12_DPOT_CS CLPS711X_GPIO(4, 0)
63#define AUTCPU12_DPOT_CLK CLPS711X_GPIO(4, 1)
64#define AUTCPU12_DPOT_UD CLPS711X_GPIO(4, 2)
65
60static struct resource autcpu12_cs8900_resource[] __initdata = { 66static struct resource autcpu12_cs8900_resource[] __initdata = {
61 DEFINE_RES_MEM(AUTCPU12_CS8900_BASE, SZ_1K), 67 DEFINE_RES_MEM(AUTCPU12_CS8900_BASE, SZ_1K),
62 DEFINE_RES_IRQ(AUTCPU12_CS8900_IRQ), 68 DEFINE_RES_IRQ(AUTCPU12_CS8900_IRQ),
@@ -148,6 +154,12 @@ static struct platform_device autcpu12_mmgpio_pdev __initdata = {
148 }, 154 },
149}; 155};
150 156
157static const struct gpio autcpu12_gpios[] __initconst = {
158 { AUTCPU12_DPOT_CS, GPIOF_OUT_INIT_HIGH, "DPOT CS" },
159 { AUTCPU12_DPOT_CLK, GPIOF_OUT_INIT_LOW, "DPOT CLK" },
160 { AUTCPU12_DPOT_UD, GPIOF_OUT_INIT_LOW, "DPOT UD" },
161};
162
151static void __init autcpu12_init(void) 163static void __init autcpu12_init(void)
152{ 164{
153 clps711x_devices_init(); 165 clps711x_devices_init();
@@ -160,6 +172,8 @@ static void __init autcpu12_init(void)
160 172
161static void __init autcpu12_init_late(void) 173static void __init autcpu12_init_late(void)
162{ 174{
175 gpio_request_array(autcpu12_gpios, ARRAY_SIZE(autcpu12_gpios));
176
163 if (IS_ENABLED(MTD_NAND_GPIO) && IS_ENABLED(GPIO_GENERIC_PLATFORM)) { 177 if (IS_ENABLED(MTD_NAND_GPIO) && IS_ENABLED(GPIO_GENERIC_PLATFORM)) {
164 /* We are need both drivers to handle NAND */ 178 /* We are need both drivers to handle NAND */
165 platform_device_register(&autcpu12_nand_pdev); 179 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 0452f5f3f034..b95d60a79b30 100644
--- a/arch/arm/mach-clps711x/include/mach/autcpu12.h
+++ b/arch/arm/mach-clps711x/include/mach/autcpu12.h
@@ -48,12 +48,4 @@
48 48
49#define AUTCPU12_PHYS_LPT CS1_PHYS_BASE +0x0E000000 /* physical */ 49#define AUTCPU12_PHYS_LPT CS1_PHYS_BASE +0x0E000000 /* physical */
50 50
51/*
52* defines for lcd contrast
53*/
54#define AUTCPU12_DPOT_PORT_OFFSET PEDR
55#define AUTCPU12_DPOT_CS (1<<0)
56#define AUTCPU12_DPOT_CLK (1<<1)
57#define AUTCPU12_DPOT_UD (1<<2)
58
59#endif 51#endif