* [PATCH 06/17 v2] ARM: shmobile: r8a7778: add I2C support
@ 2013-05-23 3:18 Kuninori Morimoto
2013-05-23 12:47 ` Sergei Shtylyov
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: Kuninori Morimoto @ 2013-05-23 3:18 UTC (permalink / raw)
To: linux-sh
Signed-off-by: Yusuke Goda <yusuke.goda.sx@renesas.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
---
v1 -> v2
- no change
arch/arm/mach-shmobile/clock-r8a7778.c | 14 +++++++++++++-
arch/arm/mach-shmobile/include/mach/r8a7778.h | 2 ++
arch/arm/mach-shmobile/setup-r8a7778.c | 25 +++++++++++++++++++++++++
3 files changed, 40 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mach-shmobile/clock-r8a7778.c b/arch/arm/mach-shmobile/clock-r8a7778.c
index b251e4d..1386c59 100644
--- a/arch/arm/mach-shmobile/clock-r8a7778.c
+++ b/arch/arm/mach-shmobile/clock-r8a7778.c
@@ -105,7 +105,8 @@ static struct clk *main_clks[] = {
enum {
MSTP323, MSTP322, MSTP321,
MSTP114,
- MSTP026, MSTP025, MSTP024, MSTP023, MSTP022, MSTP021,
+ MSTP030,
+ MSTP029, MSTP028, MSTP027, MSTP026, MSTP025, MSTP024, MSTP023, MSTP022, MSTP021,
MSTP016, MSTP015,
MSTP_NR };
@@ -114,6 +115,10 @@ static struct clk mstp_clks[MSTP_NR] = {
[MSTP322] = SH_CLK_MSTP32(&p_clk, MSTPCR3, 22, 0), /* SDHI1 */
[MSTP321] = SH_CLK_MSTP32(&p_clk, MSTPCR3, 21, 0), /* SDHI2 */
[MSTP114] = SH_CLK_MSTP32(&p_clk, MSTPCR1, 14, 0), /* Ether */
+ [MSTP030] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 30, 0), /* I2C0 */
+ [MSTP029] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 29, 0), /* I2C1 */
+ [MSTP028] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 28, 0), /* I2C2 */
+ [MSTP027] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 27, 0), /* I2C3 */
[MSTP026] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 26, 0), /* SCIF0 */
[MSTP025] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 25, 0), /* SCIF1 */
[MSTP024] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 24, 0), /* SCIF2 */
@@ -125,11 +130,18 @@ static struct clk mstp_clks[MSTP_NR] = {
};
static struct clk_lookup lookups[] = {
+ /* main */
+ CLKDEV_CON_ID("peripheral_clk", &p_clk),
+
/* MSTP32 clocks */
CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[MSTP323]), /* SDHI0 */
CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP322]), /* SDHI1 */
CLKDEV_DEV_ID("sh_mobile_sdhi.2", &mstp_clks[MSTP321]), /* SDHI2 */
CLKDEV_DEV_ID("sh-eth", &mstp_clks[MSTP114]), /* Ether */
+ CLKDEV_DEV_ID("i2c-rcar.0", &mstp_clks[MSTP030]), /* I2C0 */
+ CLKDEV_DEV_ID("i2c-rcar.1", &mstp_clks[MSTP029]), /* I2C1 */
+ CLKDEV_DEV_ID("i2c-rcar.2", &mstp_clks[MSTP028]), /* I2C2 */
+ CLKDEV_DEV_ID("i2c-rcar.3", &mstp_clks[MSTP027]), /* I2C3 */
CLKDEV_DEV_ID("sh-sci.0", &mstp_clks[MSTP026]), /* SCIF0 */
CLKDEV_DEV_ID("sh-sci.1", &mstp_clks[MSTP025]), /* SCIF1 */
CLKDEV_DEV_ID("sh-sci.2", &mstp_clks[MSTP024]), /* SCIF2 */
diff --git a/arch/arm/mach-shmobile/include/mach/r8a7778.h b/arch/arm/mach-shmobile/include/mach/r8a7778.h
index ae65b45..a428bc6 100644
--- a/arch/arm/mach-shmobile/include/mach/r8a7778.h
+++ b/arch/arm/mach-shmobile/include/mach/r8a7778.h
@@ -24,6 +24,8 @@
extern void r8a7778_add_standard_devices(void);
extern void r8a7778_add_standard_devices_dt(void);
extern void r8a7778_add_ether_device(struct sh_eth_plat_data *pdata);
+extern void r8a7778_add_i2c_device(int id);
+
extern void r8a7778_init_delay(void);
extern void r8a7778_init_irq(void);
extern void r8a7778_init_irq_dt(void);
diff --git a/arch/arm/mach-shmobile/setup-r8a7778.c b/arch/arm/mach-shmobile/setup-r8a7778.c
index a02efce..87b74a5 100644
--- a/arch/arm/mach-shmobile/setup-r8a7778.c
+++ b/arch/arm/mach-shmobile/setup-r8a7778.c
@@ -173,6 +173,31 @@ void __init r8a7778_sdhi_init(int id,
info, sizeof(*info));
}
+/* I2C */
+static struct resource i2c_resources[] = {
+ /* I2C0 */
+ DEFINE_RES_MEM(0xffc70000, 0x1000),
+ DEFINE_RES_IRQ(gic_iid(0x63)),
+ /* I2C1 */
+ DEFINE_RES_MEM(0xffc71000, 0x1000),
+ DEFINE_RES_IRQ(gic_iid(0x6e)),
+ /* I2C2 */
+ DEFINE_RES_MEM(0xffc72000, 0x1000),
+ DEFINE_RES_IRQ(gic_iid(0x6c)),
+ /* I2C3 */
+ DEFINE_RES_MEM(0xffc73000, 0x1000),
+ DEFINE_RES_IRQ(gic_iid(0x6d)),
+};
+
+void __init r8a7778_add_i2c_device(int id)
+{
+ BUG_ON(id < 0 || id > 3);
+
+ platform_device_register_simple(
+ "i2c-rcar", id,
+ i2c_resources + (2 * id), 2);
+}
+
void __init r8a7778_add_standard_devices(void)
{
int i;
--
1.7.9.5
^ permalink raw reply related [flat|nested] 5+ messages in thread
* Re: [PATCH 06/17 v2] ARM: shmobile: r8a7778: add I2C support
2013-05-23 3:18 [PATCH 06/17 v2] ARM: shmobile: r8a7778: add I2C support Kuninori Morimoto
@ 2013-05-23 12:47 ` Sergei Shtylyov
2013-05-23 12:56 ` Sergei Shtylyov
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: Sergei Shtylyov @ 2013-05-23 12:47 UTC (permalink / raw)
To: linux-sh
On 23-05-2013 7:18, Kuninori Morimoto wrote:
I still would like to see a proper changelog here. You could just
copy it from mine I guess...
> Signed-off-by: Yusuke Goda <yusuke.goda.sx@renesas.com>
> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
[...]
> diff --git a/arch/arm/mach-shmobile/setup-r8a7778.c b/arch/arm/mach-shmobile/setup-r8a7778.c
> index a02efce..87b74a5 100644
> --- a/arch/arm/mach-shmobile/setup-r8a7778.c
> +++ b/arch/arm/mach-shmobile/setup-r8a7778.c
> @@ -173,6 +173,31 @@ void __init r8a7778_sdhi_init(int id,
[...]
> +void __init r8a7778_add_i2c_device(int id)
> +{
> + BUG_ON(id < 0 || id > 3);
> +
> + platform_device_register_simple(
> + "i2c-rcar", id,
> + i2c_resources + (2 * id), 2);
I've already told you () is superfluous.
WBR, Sergei
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH 06/17 v2] ARM: shmobile: r8a7778: add I2C support
2013-05-23 3:18 [PATCH 06/17 v2] ARM: shmobile: r8a7778: add I2C support Kuninori Morimoto
2013-05-23 12:47 ` Sergei Shtylyov
@ 2013-05-23 12:56 ` Sergei Shtylyov
2013-05-24 4:39 ` Kuninori Morimoto
2013-05-24 14:10 ` Sergei Shtylyov
3 siblings, 0 replies; 5+ messages in thread
From: Sergei Shtylyov @ 2013-05-23 12:56 UTC (permalink / raw)
To: linux-sh
On 23-05-2013 7:18, Kuninori Morimoto wrote:
> Signed-off-by: Yusuke Goda <yusuke.goda.sx@renesas.com>
> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
[...]
> diff --git a/arch/arm/mach-shmobile/setup-r8a7778.c b/arch/arm/mach-shmobile/setup-r8a7778.c
> index a02efce..87b74a5 100644
> --- a/arch/arm/mach-shmobile/setup-r8a7778.c
> +++ b/arch/arm/mach-shmobile/setup-r8a7778.c
> @@ -173,6 +173,31 @@ void __init r8a7778_sdhi_init(int id,
> info, sizeof(*info));
> }
>
> +/* I2C */
> +static struct resource i2c_resources[] = {
You should annotate this with __initdata, otherwise you're wasting
memory. I seem to remember that I've already told you this.
> + /* I2C0 */
> + DEFINE_RES_MEM(0xffc70000, 0x1000),
> + DEFINE_RES_IRQ(gic_iid(0x63)),
> + /* I2C1 */
> + DEFINE_RES_MEM(0xffc71000, 0x1000),
> + DEFINE_RES_IRQ(gic_iid(0x6e)),
> + /* I2C2 */
> + DEFINE_RES_MEM(0xffc72000, 0x1000),
> + DEFINE_RES_IRQ(gic_iid(0x6c)),
> + /* I2C3 */
> + DEFINE_RES_MEM(0xffc73000, 0x1000),
> + DEFINE_RES_IRQ(gic_iid(0x6d)),
> +};
WBR, Sergei
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH 06/17 v2] ARM: shmobile: r8a7778: add I2C support
2013-05-23 3:18 [PATCH 06/17 v2] ARM: shmobile: r8a7778: add I2C support Kuninori Morimoto
2013-05-23 12:47 ` Sergei Shtylyov
2013-05-23 12:56 ` Sergei Shtylyov
@ 2013-05-24 4:39 ` Kuninori Morimoto
2013-05-24 14:10 ` Sergei Shtylyov
3 siblings, 0 replies; 5+ messages in thread
From: Kuninori Morimoto @ 2013-05-24 4:39 UTC (permalink / raw)
To: linux-sh
Hi
> > +void __init r8a7778_add_i2c_device(int id)
> > +{
> > + BUG_ON(id < 0 || id > 3);
> > +
> > + platform_device_register_simple(
> > + "i2c-rcar", id,
> > + i2c_resources + (2 * id), 2);
>
> I've already told you () is superfluous.
I can prevent misreading.
Best regards
---
Kuninori Morimoto
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH 06/17 v2] ARM: shmobile: r8a7778: add I2C support
2013-05-23 3:18 [PATCH 06/17 v2] ARM: shmobile: r8a7778: add I2C support Kuninori Morimoto
` (2 preceding siblings ...)
2013-05-24 4:39 ` Kuninori Morimoto
@ 2013-05-24 14:10 ` Sergei Shtylyov
3 siblings, 0 replies; 5+ messages in thread
From: Sergei Shtylyov @ 2013-05-24 14:10 UTC (permalink / raw)
To: linux-sh
Hello.
On 24-05-2013 8:39, Kuninori Morimoto wrote:
>>> +void __init r8a7778_add_i2c_device(int id)
>>> +{
>>> + BUG_ON(id < 0 || id > 3);
>>> +
>>> + platform_device_register_simple(
>>> + "i2c-rcar", id,
>>> + i2c_resources + (2 * id), 2);
>> I've already told you () is superfluous.
> I can prevent misreading.
I don't think anybody familiar with arithmetic operator priorities
(i.e. having graduated from a primary school) can misread this.
> Best regards
> ---
> Kuninori Morimoto
WBR, Sergei
^ permalink raw reply [flat|nested] 5+ messages in thread
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2013-05-23 3:18 [PATCH 06/17 v2] ARM: shmobile: r8a7778: add I2C support Kuninori Morimoto
2013-05-23 12:47 ` Sergei Shtylyov
2013-05-23 12:56 ` Sergei Shtylyov
2013-05-24 4:39 ` Kuninori Morimoto
2013-05-24 14:10 ` Sergei Shtylyov
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