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ramips: make pinctrl work on newer socs

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newer socs have 2 mux registers

Signed-off-by: John Crispin <blogic@openwrt.org>

SVN-Revision: 46952
This commit is contained in:
John Crispin
2015-09-16 08:29:45 +00:00
parent 710520d5c7
commit 9dfe1f6fbe
1 changed files with 27 additions and 20 deletions
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47
target/linux/ramips/patches-3.18/0030-pinctrl-ralink-add-pinctrl-driver.patch
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@@ -24,7 +24,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -453,6 +453,8 @@ config RALINK
@@ -453,6 +453,8 @@
select CLKDEV_LOOKUP
select ARCH_HAS_RESET_CONTROLLER
select RESET_CONTROLLER
@@ -35,7 +35,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
bool "SGI IP22 (Indy/Indigo2)"
--- a/arch/mips/include/asm/mach-ralink/mt7620.h
+++ b/arch/mips/include/asm/mach-ralink/mt7620.h
@@ -90,7 +90,6 @@ enum mt762x_soc_type {
@@ -90,7 +90,6 @@
#define MT7620_DDR2_SIZE_MIN 32
#define MT7620_DDR2_SIZE_MAX 256
@@ -43,7 +43,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
#define MT7620_GPIO_MODE_UART0_SHIFT 2
#define MT7620_GPIO_MODE_UART0_MASK 0x7
#define MT7620_GPIO_MODE_UART0(x) ((x) << MT7620_GPIO_MODE_UART0_SHIFT)
@@ -102,16 +101,36 @@ enum mt762x_soc_type {
@@ -102,16 +101,36 @@
#define MT7620_GPIO_MODE_GPIO_UARTF 0x5
#define MT7620_GPIO_MODE_GPIO_I2S 0x6
#define MT7620_GPIO_MODE_GPIO 0x7
@@ -148,7 +148,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+#endif
--- a/arch/mips/include/asm/mach-ralink/rt305x.h
+++ b/arch/mips/include/asm/mach-ralink/rt305x.h
@@ -125,24 +125,29 @@ static inline int soc_is_rt5350(void)
@@ -125,24 +125,29 @@
#define RT305X_GPIO_GE0_TXD0 40
#define RT305X_GPIO_GE0_RXCLK 51
@@ -263,7 +263,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
#include "common.h"
@@ -47,118 +48,58 @@ enum mt762x_soc_type mt762x_soc;
@@ -47,118 +48,58 @@
/* does the board have sdram or ddram */
static int dram_type;
@@ -498,7 +498,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
};
static void rt288x_wdt_reset(void)
@@ -69,11 +50,6 @@ static void rt288x_wdt_reset(void)
@@ -69,11 +50,6 @@
rt_sysc_w32(t, SYSC_REG_CLKCFG);
}
@@ -510,7 +510,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
void __init ralink_clk_init(void)
{
unsigned long cpu_rate, wmac_rate = 40000000;
@@ -141,4 +117,6 @@ void prom_soc_init(struct ralink_soc_inf
@@ -141,4 +117,6 @@
soc_info->mem_base = RT2880_SDRAM_BASE;
soc_info->mem_size_min = RT2880_MEM_SIZE_MIN;
soc_info->mem_size_max = RT2880_MEM_SIZE_MAX;
@@ -673,7 +673,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
};
static void rt305x_wdt_reset(void)
@@ -114,14 +100,6 @@ static void rt305x_wdt_reset(void)
@@ -114,14 +100,6 @@
rt_sysc_w32(t, SYSC_REG_SYSTEM_CONFIG);
}
@@ -688,7 +688,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
static unsigned long rt5350_get_mem_size(void)
{
void __iomem *sysc = (void __iomem *) KSEG1ADDR(RT305X_SYSC_BASE);
@@ -290,11 +268,14 @@ void prom_soc_init(struct ralink_soc_inf
@@ -290,11 +268,14 @@
soc_info->mem_base = RT305X_SDRAM_BASE;
if (soc_is_rt5350()) {
soc_info->mem_size = rt5350_get_mem_size();
@@ -876,7 +876,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
};
static void rt3883_wdt_reset(void)
@@ -155,17 +73,6 @@ static void rt3883_wdt_reset(void)
@@ -155,17 +73,6 @@
rt_sysc_w32(t, RT3883_SYSC_REG_SYSCFG1);
}
@@ -894,7 +894,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
void __init ralink_clk_init(void)
{
unsigned long cpu_rate, sys_rate;
@@ -244,4 +151,6 @@ void prom_soc_init(struct ralink_soc_inf
@@ -244,4 +151,6 @@
soc_info->mem_base = RT3883_SDRAM_BASE;
soc_info->mem_size_min = RT3883_MEM_SIZE_MIN;
soc_info->mem_size_max = RT3883_MEM_SIZE_MAX;
@@ -903,7 +903,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
}
--- a/drivers/pinctrl/Kconfig
+++ b/drivers/pinctrl/Kconfig
@@ -103,6 +103,11 @@ config PINCTRL_LANTIQ
@@ -103,6 +103,11 @@
select PINMUX
select PINCONF
@@ -917,7 +917,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
depends on SOC_FALCON
--- a/drivers/pinctrl/Makefile
+++ b/drivers/pinctrl/Makefile
@@ -20,6 +20,7 @@ obj-$(CONFIG_PINCTRL_BCM281XX) += pinctr
@@ -20,6 +20,7 @@
obj-$(CONFIG_PINCTRL_FALCON) += pinctrl-falcon.o
obj-$(CONFIG_PINCTRL_PALMAS) += pinctrl-palmas.o
obj-$(CONFIG_PINCTRL_ROCKCHIP) += pinctrl-rockchip.o
@@ -927,7 +927,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
obj-$(CONFIG_PINCTRL_TEGRA) += pinctrl-tegra.o
--- /dev/null
+++ b/drivers/pinctrl/pinctrl-rt2880.c
@@ -0,0 +1,467 @@
@@ -0,0 +1,474 @@
+/*
+ * linux/drivers/pinctrl/pinctrl-rt2880.c
+ *
@@ -957,6 +957,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+#include "core.h"
+
+#define SYSC_REG_GPIO_MODE 0x60
+#define SYSC_REG_GPIO_MODE2 0x64
+
+struct rt2880_priv {
+ struct device *dev;
@@ -1134,7 +1135,9 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+{
+ struct rt2880_priv *p = pinctrl_dev_get_drvdata(pctrldev);
+ u32 mode = 0;
+ u32 reg = SYSC_REG_GPIO_MODE;
+ int i;
+ int shift;
+
+ /* dont allow double use */
+ if (p->groups[group].enabled) {
@@ -1145,8 +1148,13 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+ p->groups[group].enabled = 1;
+ p->func[func]->enabled = 1;
+
+ mode = rt_sysc_r32(SYSC_REG_GPIO_MODE);
+ mode &= ~(p->groups[group].mask << p->groups[group].shift);
+ shift = p->groups[group].shift;
+ if (shift >= 32) {
+ shift -= 32;
+ reg = SYSC_REG_GPIO_MODE2;
+ }
+ mode = rt_sysc_r32(reg);
+ mode &= ~(p->groups[group].mask << shift);
+
+ /* mark the pins as gpio */
+ for (i = 0; i < p->groups[group].func[0].pin_count; i++)
@@ -1154,14 +1162,13 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
+
+ /* function 0 is gpio and needs special handling */
+ if (func == 0) {
+ mode |= p->groups[group].gpio << p->groups[group].shift;
+ mode |= p->groups[group].gpio << shift;
+ } else {
+ for (i = 0; i < p->func[func]->pin_count; i++)
+ p->gpio[p->func[func]->pins[i]] = 0;
+ mode |= p->func[func]->value << p->groups[group].shift;
+ mode |= p->func[func]->value << shift;
+ }
+ rt_sysc_w32(mode, SYSC_REG_GPIO_MODE);
+
+ rt_sysc_w32(mode, reg);
+
+ return 0;
+}