From 157d2644cb0c1e71a18baaffca56d2b1d0ebf10f Mon Sep 17 00:00:00 2001 From: Haojian Zhuang Date: Mon, 17 Oct 2011 20:37:52 +0800 Subject: ARM: pxa: change gpio to platform device Remove most gpio macros and change gpio driver to platform driver. Signed-off-by: Haojian Zhuang --- arch/arm/mach-mmp/pxa168.c | 29 ++++++++++++++++++++--------- 1 file changed, 20 insertions(+), 9 deletions(-) (limited to 'arch/arm/mach-mmp/pxa168.c') diff --git a/arch/arm/mach-mmp/pxa168.c b/arch/arm/mach-mmp/pxa168.c index 76ca15c00e45..fefdfe59c07c 100644 --- a/arch/arm/mach-mmp/pxa168.c +++ b/arch/arm/mach-mmp/pxa168.c @@ -13,6 +13,7 @@ #include #include #include +#include #include #include @@ -20,7 +21,6 @@ #include #include #include -#include #include #include #include @@ -43,20 +43,12 @@ static struct mfp_addr_map pxa168_mfp_addr_map[] __initdata = MFP_ADDR_END, }; -#define APMASK(i) (GPIO_REGS_VIRT + BANK_OFF(i) + 0x09c) - static void __init pxa168_init_gpio(void) { int i; /* enable GPIO clock */ __raw_writel(APBC_APBCLK | APBC_FNCLK, APBC_PXA168_GPIO); - - /* unmask GPIO edge detection for all 4 banks - APMASKx */ - for (i = 0; i < 4; i++) - __raw_writel(0xffffffff, APMASK(i)); - - pxa_init_gpio(IRQ_PXA168_GPIOX, 0, 127, NULL); } void __init pxa168_init_irq(void) @@ -174,6 +166,25 @@ PXA168_DEVICE(fb, "pxa168-fb", -1, LCD, 0xd420b000, 0x1c8); PXA168_DEVICE(keypad, "pxa27x-keypad", -1, KEYPAD, 0xd4012000, 0x4c); PXA168_DEVICE(eth, "pxa168-eth", -1, MFU, 0xc0800000, 0x0fff); +struct resource pxa168_resource_gpio[] = { + { + .start = 0xd4019000, + .end = 0xd4019fff, + .flags = IORESOURCE_MEM, + }, { + .start = IRQ_PXA168_GPIOX, + .end = IRQ_PXA168_GPIOX, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device pxa168_device_gpio = { + .name = "pxa-gpio", + .id = -1, + .num_resources = ARRAY_SIZE(pxa168_resource_gpio), + .resource = pxa168_resource_gpio, +}; + struct resource pxa168_usb_host_resources[] = { /* USB Host conroller register base */ [0] = { -- cgit v1.2.1 From 389eda15e0f41112d7c44213b3c4f8bd1c9398bc Mon Sep 17 00:00:00 2001 From: Haojian Zhuang Date: Mon, 17 Oct 2011 21:26:55 +0800 Subject: ARM: pxa: add clk support in gpio driver Support clk in gpio driver. There's no gpio clock in PXA25x and PXA27x. So use dummy clk instead. And move the gpio edge initialization into gpio driver for arch-mmp. Signed-off-by: Haojian Zhuang --- arch/arm/mach-mmp/pxa168.c | 11 ++--------- 1 file changed, 2 insertions(+), 9 deletions(-) (limited to 'arch/arm/mach-mmp/pxa168.c') diff --git a/arch/arm/mach-mmp/pxa168.c b/arch/arm/mach-mmp/pxa168.c index fefdfe59c07c..84245035f351 100644 --- a/arch/arm/mach-mmp/pxa168.c +++ b/arch/arm/mach-mmp/pxa168.c @@ -43,18 +43,9 @@ static struct mfp_addr_map pxa168_mfp_addr_map[] __initdata = MFP_ADDR_END, }; -static void __init pxa168_init_gpio(void) -{ - int i; - - /* enable GPIO clock */ - __raw_writel(APBC_APBCLK | APBC_FNCLK, APBC_PXA168_GPIO); -} - void __init pxa168_init_irq(void) { icu_init_irq(); - pxa168_init_gpio(); } /* APB peripheral clocks */ @@ -72,6 +63,7 @@ static APBC_CLK(ssp2, PXA168_SSP2, 4, 0); static APBC_CLK(ssp3, PXA168_SSP3, 4, 0); static APBC_CLK(ssp4, PXA168_SSP4, 4, 0); static APBC_CLK(ssp5, PXA168_SSP5, 4, 0); +static APBC_CLK(gpio, PXA168_GPIO, 0, 13000000); static APBC_CLK(keypad, PXA168_KPC, 0, 32000); static APMU_CLK(nand, NAND, 0x19b, 156000000); @@ -97,6 +89,7 @@ static struct clk_lookup pxa168_clkregs[] = { INIT_CLKREG(&clk_ssp5, "pxa168-ssp.4", NULL), INIT_CLKREG(&clk_nand, "pxa3xx-nand", NULL), INIT_CLKREG(&clk_lcd, "pxa168-fb", NULL), + INIT_CLKREG(&clk_gpio, "pxa-gpio", NULL), INIT_CLKREG(&clk_keypad, "pxa27x-keypad", NULL), INIT_CLKREG(&clk_eth, "pxa168-eth", "MFUCLK"), INIT_CLKREG(&clk_usb, "pxa168-ehci", "PXA168-USBCLK"), -- cgit v1.2.1 From 9854a38e371a153c7c4adb2cb7951c27befe0362 Mon Sep 17 00:00:00 2001 From: Russell King Date: Sat, 5 Nov 2011 15:40:09 +0000 Subject: ARM: restart: mmp: use new restart hook Hook the Shark restart code into the new restart hook rather than using arch_reset(). Signed-off-by: Russell King --- arch/arm/mach-mmp/pxa168.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'arch/arm/mach-mmp/pxa168.c') diff --git a/arch/arm/mach-mmp/pxa168.c b/arch/arm/mach-mmp/pxa168.c index 76ca15c00e45..13f23867a86a 100644 --- a/arch/arm/mach-mmp/pxa168.c +++ b/arch/arm/mach-mmp/pxa168.c @@ -214,3 +214,8 @@ int __init pxa168_add_usb_host(struct pxa168_usb_pdata *pdata) pxa168_device_usb_host.dev.platform_data = pdata; return platform_device_register(&pxa168_device_usb_host); } + +void pxa168_restart(char mode, const char *cmd) +{ + soft_restart(0xffff0000); +} -- cgit v1.2.1