[U-Boot] [PATCH 2/3] Exynos5422: Add support for Exynos5422

[Lukasz Majewski <l.majewski@samsung.com>]

Hi Hyungwon,

> Hi,
> 
> On Fri, 31 Oct 2014 10:08:34 +0100
> Lukasz Majewski <l.majewski@samsung.com> wrote:
> 
> > Hi Hyungwon,
> > 
> > > This patch adds support for Exynos5422 including GPIO, clock,
> > > pinmux, and cpu id.
> > > 
> > > Change-Id: Ic609973ab531e2b6ee9a68cfec0b6b9571f203a8
> > > Signed-off-by: Hyungwon Hwang <human.hwang@samsung.com>
> > > ---
> > >  arch/arm/include/asm/arch-exynos/gpio.h | 31
> > > +++++++++++++++++++++++++++++--
> > > drivers/gpio/s5p_gpio.c                 |  4 +++- 2 files
> > > changed, 32 insertions(+), 3 deletions(-)
> > > 
> > > diff --git a/arch/arm/include/asm/arch-exynos/gpio.h
> > > b/arch/arm/include/asm/arch-exynos/gpio.h index 431ae3a..8f82ef0
> > > 100644 --- a/arch/arm/include/asm/arch-exynos/gpio.h
> > > +++ b/arch/arm/include/asm/arch-exynos/gpio.h
> > > @@ -1368,11 +1368,21 @@ static struct gpio_info
> > > exynos5420_gpio_data[EXYNOS5420_GPIO_NUM_PARTS] =
> > > { { EXYNOS5420_GPIO_PART5_BASE, EXYNOS5420_GPIO_MAX_PORT }, };
> > >  
> > > +#define EXYNOS5800_GPIO_NUM_PARTS	4
> > > +static struct gpio_info
> > > exynos5800_gpio_data[EXYNOS5800_GPIO_NUM_PARTS] = {
> > > +	{ EXYNOS5420_GPIO_PART1_BASE,
> > > EXYNOS5420_GPIO_MAX_PORT_PART_1 },
> > > +	{ EXYNOS5420_GPIO_PART2_BASE,
> > > EXYNOS5420_GPIO_MAX_PORT_PART_2 },
> > > +	{ EXYNOS5420_GPIO_PART3_BASE,
> > > EXYNOS5420_GPIO_MAX_PORT_PART_3 },
> > > +	{ EXYNOS5420_GPIO_PART4_BASE,
> > > EXYNOS5420_GPIO_MAX_PORT_PART_4 }, +};
> > > +
> > >  static inline struct gpio_info *get_gpio_data(void)
> > >  {
> > >  	if (cpu_is_exynos5()) {
> > > -		if (proid_is_exynos5420() ||
> > > proid_is_exynos5800())
> > > +		if (proid_is_exynos5420())
> > >  			return exynos5420_gpio_data;
> > > +		else if (proid_is_exynos5800())
> > > +			return exynos5800_gpio_data;
> > >  		else
> > >  			return exynos5_gpio_data;
> > >  	} else if (cpu_is_exynos4()) {
> > > @@ -1388,8 +1398,10 @@ static inline struct gpio_info
> > > *get_gpio_data(void) static inline unsigned int get_bank_num(void)
> > >  {
> > >  	if (cpu_is_exynos5()) {
> > > -		if (proid_is_exynos5420() ||
> > > proid_is_exynos5800())
> > > +		if (proid_is_exynos5420())
> > >  			return EXYNOS5420_GPIO_NUM_PARTS;
> > > +		if (proid_is_exynos5800())
> > > +			return EXYNOS5800_GPIO_NUM_PARTS;
> > >  		else
> > >  			return EXYNOS5_GPIO_NUM_PARTS;
> > >  	} else if (cpu_is_exynos4()) {
> > > @@ -1493,6 +1505,21 @@ static const struct gpio_name_num_table
> > > exynos5420_gpio_table[] = { { 0 }
> > >  };
> > >  
> > > +static const struct gpio_name_num_table exynos5800_gpio_table[]
> > > = {
> > > +	GPIO_ENTRY('x', EXYNOS5420_GPIO_X00,
> > > EXYNOS5420_GPIO_C00, 0),
> > > +	GPIO_ENTRY('c', EXYNOS5420_GPIO_C00,
> > > EXYNOS5420_GPIO_D10, 0),
> > > +	GPIO_ENTRY('d', EXYNOS5420_GPIO_D10,
> > > EXYNOS5420_GPIO_Y00, 0),
> > > +	GPIO_ENTRY('y', EXYNOS5420_GPIO_Y00,
> > > EXYNOS5420_GPIO_E00, 0),
> > > +	GPIO_ENTRY('e', EXYNOS5420_GPIO_E00,
> > > EXYNOS5420_GPIO_F00, 0),
> > > +	GPIO_ENTRY('f', EXYNOS5420_GPIO_F00,
> > > EXYNOS5420_GPIO_G00, 0),
> > > +	GPIO_ENTRY('g', EXYNOS5420_GPIO_G00,
> > > EXYNOS5420_GPIO_J40, 0),
> > > +	GPIO_ENTRY('j', EXYNOS5420_GPIO_J40,
> > > EXYNOS5420_GPIO_A00, 0),
> > > +	GPIO_ENTRY('a', EXYNOS5420_GPIO_A00,
> > > EXYNOS5420_GPIO_B00, 0),
> > > +	GPIO_ENTRY('b', EXYNOS5420_GPIO_B00,
> > > EXYNOS5420_GPIO_H00, 0),
> > > +	GPIO_ENTRY('h', EXYNOS5420_GPIO_H00, EXYNOS5420_GPIO_Z0,
> > > 0),
> > > +	{ 0 }
> > > +};
> > > +
> > >  void gpio_cfg_pin(int gpio, int cfg);
> > >  void gpio_set_pull(int gpio, int mode);
> > >  void gpio_set_drv(int gpio, int mode);
> > > diff --git a/drivers/gpio/s5p_gpio.c b/drivers/gpio/s5p_gpio.c
> > > index bcf44eb..bed7cd7 100644
> > > --- a/drivers/gpio/s5p_gpio.c
> > > +++ b/drivers/gpio/s5p_gpio.c
> > > @@ -57,11 +57,13 @@ static inline int s5p_name_to_gpio(const char
> > > *name) */
> > >  #if defined(CONFIG_EXYNOS4) || defined(CONFIG_EXYNOS5)
> > >  	if (cpu_is_exynos5()) {
> > > -		if (proid_is_exynos5420() ||
> > > proid_is_exynos5800()) {
> > > +		if (proid_is_exynos5420()) {
> > >  			tabp = exynos5420_gpio_table;
> > >  			irregular_bank_name = 'y';
> > >  			irregular_set_number = '7';
> > >  			irregular_bank_base =
> > > EXYNOS5420_GPIO_Y70;
> > > +		} else if (proid_is_exynos5800()) {
> > > +			tabp = exynos5800_gpio_table;
> > >  		} else {
> > >  			tabp = exynos5_gpio_table;
> > >  			irregular_bank_name = 'c';
> > 
> > I'm a bit confused here. 
> > 
> > We already support exynos5420 in the mainline. It only slightly
> > differs from Exynos5422. Additionally there is Exynos5800 which is a
> > different HW revision of Exynos5422. 
> 
> Yes. You're right. I was not in the subscriber list when I send this
> mail. So when I sent this mail, I received an auto-replied mail which
> I can cancel this email. I canceled this mail. But the mail sent to
> your and Minkyu Kang was not. Sorry for the confusion. Please refer
> the latest mail.

Ok.

Probably by a mistake, I've received this series three times :-).

When you prepare v2, please add change log and cover letter.

> 
> > 
> > In the message topic you stated that you add support for Exynos5422.
> > Maybe we could use Exynos5800 name also for Exynos5422 (with a big,
> > fat note about those two chips compliance added to ./doc directory)?
> > 
> > @ Akshay, Minkyu:
> > 
> > What do you think about this idea?
> > 
> 
> Best regards,
> Hyungwon Hwang
> 
> 



-- 
Best regards,

Lukasz Majewski

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