* [PATCH v2 1/3] ARM: Samsung: Add support for MSHC controller clocks
2012-07-12 12:58 ARM: Exynos5: Enable support for DW-MMC controllers Thomas Abraham
@ 2012-07-12 12:58 ` Thomas Abraham
2012-07-12 12:58 ` [PATCH v2 2/3] ARM: Exynos5: Add AUXDATA support for MSHC controllers Thomas Abraham
2012-07-12 12:58 ` [PATCH v2 3/3] ARM: dts: Add nodes for dw_mmc controllers for Samsung Exynos5250 platforms Thomas Abraham
2 siblings, 0 replies; 4+ messages in thread
From: Thomas Abraham @ 2012-07-12 12:58 UTC (permalink / raw)
To: linux-arm-kernel
Add clock instances for bus interface unit clock and card interface unit
clock of the all four MSHC controller instances.
Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
---
arch/arm/mach-exynos/clock-exynos5.c | 45 ++++++++++++----------------------
1 files changed, 16 insertions(+), 29 deletions(-)
diff --git a/arch/arm/mach-exynos/clock-exynos5.c b/arch/arm/mach-exynos/clock-exynos5.c
index fefa336..02038d8 100644
--- a/arch/arm/mach-exynos/clock-exynos5.c
+++ b/arch/arm/mach-exynos/clock-exynos5.c
@@ -564,35 +564,30 @@ static struct clk exynos5_init_clocks_off[] = {
.enable = exynos5_clk_ip_peris_ctrl,
.ctrlbit = (1 << 19),
}, {
- .name = "hsmmc",
- .devname = "exynos4-sdhci.0",
+ .name = "biu",
+ .devname = "dw_mmc.0",
.parent = &exynos5_clk_aclk_200.clk,
.enable = exynos5_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 12),
}, {
- .name = "hsmmc",
- .devname = "exynos4-sdhci.1",
+ .name = "biu",
+ .devname = "dw_mmc.1",
.parent = &exynos5_clk_aclk_200.clk,
.enable = exynos5_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 13),
}, {
- .name = "hsmmc",
- .devname = "exynos4-sdhci.2",
+ .name = "biu",
+ .devname = "dw_mmc.2",
.parent = &exynos5_clk_aclk_200.clk,
.enable = exynos5_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 14),
}, {
- .name = "hsmmc",
- .devname = "exynos4-sdhci.3",
+ .name = "biu",
+ .devname = "dw_mmc.3",
.parent = &exynos5_clk_aclk_200.clk,
.enable = exynos5_clk_ip_fsys_ctrl,
.ctrlbit = (1 << 15),
}, {
- .name = "dwmci",
- .parent = &exynos5_clk_aclk_200.clk,
- .enable = exynos5_clk_ip_fsys_ctrl,
- .ctrlbit = (1 << 16),
- }, {
.name = "sata",
.devname = "ahci",
.enable = exynos5_clk_ip_fsys_ctrl,
@@ -992,8 +987,8 @@ static struct clksrc_clk exynos5_clk_sclk_uart3 = {
static struct clksrc_clk exynos5_clk_sclk_mmc0 = {
.clk = {
- .name = "sclk_mmc",
- .devname = "exynos4-sdhci.0",
+ .name = "ciu",
+ .devname = "dw_mmc.0",
.parent = &exynos5_clk_dout_mmc0.clk,
.enable = exynos5_clksrc_mask_fsys_ctrl,
.ctrlbit = (1 << 0),
@@ -1003,8 +998,8 @@ static struct clksrc_clk exynos5_clk_sclk_mmc0 = {
static struct clksrc_clk exynos5_clk_sclk_mmc1 = {
.clk = {
- .name = "sclk_mmc",
- .devname = "exynos4-sdhci.1",
+ .name = "ciu",
+ .devname = "dw_mmc.1",
.parent = &exynos5_clk_dout_mmc1.clk,
.enable = exynos5_clksrc_mask_fsys_ctrl,
.ctrlbit = (1 << 4),
@@ -1014,8 +1009,8 @@ static struct clksrc_clk exynos5_clk_sclk_mmc1 = {
static struct clksrc_clk exynos5_clk_sclk_mmc2 = {
.clk = {
- .name = "sclk_mmc",
- .devname = "exynos4-sdhci.2",
+ .name = "ciu",
+ .devname = "dw_mmc.2",
.parent = &exynos5_clk_dout_mmc2.clk,
.enable = exynos5_clksrc_mask_fsys_ctrl,
.ctrlbit = (1 << 8),
@@ -1025,8 +1020,8 @@ static struct clksrc_clk exynos5_clk_sclk_mmc2 = {
static struct clksrc_clk exynos5_clk_sclk_mmc3 = {
.clk = {
- .name = "sclk_mmc",
- .devname = "exynos4-sdhci.3",
+ .name = "ciu",
+ .devname = "dw_mmc.3",
.parent = &exynos5_clk_dout_mmc3.clk,
.enable = exynos5_clksrc_mask_fsys_ctrl,
.ctrlbit = (1 << 12),
@@ -1037,14 +1032,6 @@ static struct clksrc_clk exynos5_clk_sclk_mmc3 = {
static struct clksrc_clk exynos5_clksrcs[] = {
{
.clk = {
- .name = "sclk_dwmci",
- .parent = &exynos5_clk_dout_mmc4.clk,
- .enable = exynos5_clksrc_mask_fsys_ctrl,
- .ctrlbit = (1 << 16),
- },
- .reg_div = { .reg = EXYNOS5_CLKDIV_FSYS3, .shift = 8, .size = 8 },
- }, {
- .clk = {
.name = "sclk_fimd",
.devname = "s3cfb.1",
.enable = exynos5_clksrc_mask_disp1_0_ctrl,
--
1.6.6.rc2
^ permalink raw reply related [flat|nested] 4+ messages in thread* [PATCH v2 2/3] ARM: Exynos5: Add AUXDATA support for MSHC controllers
2012-07-12 12:58 ARM: Exynos5: Enable support for DW-MMC controllers Thomas Abraham
2012-07-12 12:58 ` [PATCH v2 1/3] ARM: Samsung: Add support for MSHC controller clocks Thomas Abraham
@ 2012-07-12 12:58 ` Thomas Abraham
2012-07-12 12:58 ` [PATCH v2 3/3] ARM: dts: Add nodes for dw_mmc controllers for Samsung Exynos5250 platforms Thomas Abraham
2 siblings, 0 replies; 4+ messages in thread
From: Thomas Abraham @ 2012-07-12 12:58 UTC (permalink / raw)
To: linux-arm-kernel
Add entries if MSHC controllers in AUXDATA table for correct device name
initialization.
Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
---
arch/arm/mach-exynos/include/mach/map.h | 1 +
arch/arm/mach-exynos/mach-exynos5-dt.c | 8 ++++++++
2 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-exynos/include/mach/map.h b/arch/arm/mach-exynos/include/mach/map.h
index ca4aa89..9be4165 100644
--- a/arch/arm/mach-exynos/include/mach/map.h
+++ b/arch/arm/mach-exynos/include/mach/map.h
@@ -170,6 +170,7 @@
#define EXYNOS4_PA_HSMMC(x) (0x12510000 + ((x) * 0x10000))
#define EXYNOS4_PA_DWMCI 0x12550000
+#define EXYNOS5_PA_DWMCI(x) (0x12200000 + ((x) * 0x10000))
#define EXYNOS4_PA_HSOTG 0x12480000
#define EXYNOS4_PA_USB_HSPHY 0x125B0000
diff --git a/arch/arm/mach-exynos/mach-exynos5-dt.c b/arch/arm/mach-exynos/mach-exynos5-dt.c
index 7b1e11a..d4f8309 100644
--- a/arch/arm/mach-exynos/mach-exynos5-dt.c
+++ b/arch/arm/mach-exynos/mach-exynos5-dt.c
@@ -47,6 +47,14 @@ static const struct of_dev_auxdata exynos5250_auxdata_lookup[] __initconst = {
"s3c2440-i2c.0", NULL),
OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS5_PA_IIC(1),
"s3c2440-i2c.1", NULL),
+ OF_DEV_AUXDATA("samsung,exynos5250-dw-mshc", EXYNOS5_PA_DWMCI(0),
+ "dw_mmc.0", NULL),
+ OF_DEV_AUXDATA("samsung,exynos5250-dw-mshc", EXYNOS5_PA_DWMCI(1),
+ "dw_mmc.1", NULL),
+ OF_DEV_AUXDATA("samsung,exynos5250-dw-mshc", EXYNOS5_PA_DWMCI(2),
+ "dw_mmc.2", NULL),
+ OF_DEV_AUXDATA("samsung,exynos5250-dw-mshc", EXYNOS5_PA_DWMCI(3),
+ "dw_mmc.3", NULL),
OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_PDMA0, "dma-pl330.0", NULL),
OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_PDMA1, "dma-pl330.1", NULL),
OF_DEV_AUXDATA("arm,pl330", EXYNOS5_PA_MDMA1, "dma-pl330.2", NULL),
--
1.6.6.rc2
^ permalink raw reply related [flat|nested] 4+ messages in thread* [PATCH v2 3/3] ARM: dts: Add nodes for dw_mmc controllers for Samsung Exynos5250 platforms
2012-07-12 12:58 ARM: Exynos5: Enable support for DW-MMC controllers Thomas Abraham
2012-07-12 12:58 ` [PATCH v2 1/3] ARM: Samsung: Add support for MSHC controller clocks Thomas Abraham
2012-07-12 12:58 ` [PATCH v2 2/3] ARM: Exynos5: Add AUXDATA support for MSHC controllers Thomas Abraham
@ 2012-07-12 12:58 ` Thomas Abraham
2 siblings, 0 replies; 4+ messages in thread
From: Thomas Abraham @ 2012-07-12 12:58 UTC (permalink / raw)
To: linux-arm-kernel
Add device nodes for the four instances of dw_mmc controllers in Exynos5250
and enable instance 0 and 2 for the smdk5250 board.
Signed-off-by: Thomas Abraham <thomas.abraham@linaro.org>
---
arch/arm/boot/dts/exynos5250-smdk5250.dts | 58 +++++++++++++++++++++++++++++
arch/arm/boot/dts/exynos5250.dtsi | 32 ++++++++++++++++
2 files changed, 90 insertions(+), 0 deletions(-)
diff --git a/arch/arm/boot/dts/exynos5250-smdk5250.dts b/arch/arm/boot/dts/exynos5250-smdk5250.dts
index 49945cc..8e54e41 100644
--- a/arch/arm/boot/dts/exynos5250-smdk5250.dts
+++ b/arch/arm/boot/dts/exynos5250-smdk5250.dts
@@ -16,6 +16,13 @@
model = "SAMSUNG SMDK5250 board based on EXYNOS5250";
compatible = "samsung,smdk5250", "samsung,exynos5250";
+ aliases {
+ mshc0 = &mshc_0;
+ mshc1 = &mshc_1;
+ mshc2 = &mshc_2;
+ mshc3 = &mshc_3;
+ };
+
memory {
reg = <0x40000000 0x80000000>;
};
@@ -71,4 +78,55 @@
i2c at 12CD0000 {
status = "disabled";
};
+
+ mshc_0: dwmmc0 at 12200000 {
+ num-slots = <1>;
+ supports-highspeed;
+ card-detection-broken;
+ no-write-protect;
+ fifo-depth = <0x80>;
+ card-detect-delay = <200>;
+ samsung,dw-mshc-sdr-timing = <2 3 3>;
+ samsung,dw-mshc-ddr-timing = <1 2 3>;
+
+ slot at 0 {
+ reg = <0>;
+ bus-width = <8>;
+ cd-gpios = <&gpc0 2 2 3 3>;
+ gpios = <&gpc0 0 2 0 3>, <&gpc0 1 2 0 3>,
+ <&gpc1 0 2 3 3>, <&gpc1 1 2 3 3>,
+ <&gpc1 2 2 3 3>, <&gpc1 3 2 3 3>,
+ <&gpc0 3 2 3 3>, <&gpc0 4 2 3 3>,
+ <&gpc0 5 2 3 3>, <&gpc0 6 2 3 3>;
+ };
+ };
+
+ mshc_1: dwmmc1 at 12210000 {
+ status = "disabled";
+ };
+
+ mshc_2: dwmmc2 at 12220000 {
+ num-slots = <1>;
+ supports-highspeed;
+ no-write-protect;
+ fifo-depth = <0x80>;
+ card-detect-delay = <200>;
+ samsung,dw-mshc-sdr-timing = <2 3 3>;
+ samsung,dw-mshc-ddr-timing = <1 2 3>;
+
+ slot at 0 {
+ reg = <0>;
+ bus-width = <4>;
+ cd-gpios = <&gpc3 2 2 3 3>;
+ gpios = <&gpc3 0 2 0 3>, <&gpc3 1 2 0 3>,
+ <&gpc3 3 2 3 3>, <&gpc3 4 2 3 3>,
+ <&gpc3 5 2 3 3>, <&gpc3 6 2 3 3>,
+ <&gpc4 3 3 3 3>, <&gpc4 3 3 3 3>,
+ <&gpc4 5 3 3 3>, <&gpc4 6 3 3 3>;
+ };
+ };
+
+ mshc_3: dwmmc3 at 12230000 {
+ status = "disabled";
+ };
};
diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi
index 4272b29..b6ae657 100644
--- a/arch/arm/boot/dts/exynos5250.dtsi
+++ b/arch/arm/boot/dts/exynos5250.dtsi
@@ -146,6 +146,38 @@
#size-cells = <0>;
};
+ dwmmc0 at 12200000 {
+ compatible = "samsung,exynos5250-dw-mshc";
+ reg = <0x12200000 0x1000>;
+ interrupts = <0 75 0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ dwmmc1 at 12210000 {
+ compatible = "samsung,exynos5250-dw-mshc";
+ reg = <0x12210000 0x1000>;
+ interrupts = <0 76 0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ dwmmc2 at 12220000 {
+ compatible = "samsung,exynos5250-dw-mshc";
+ reg = <0x12220000 0x1000>;
+ interrupts = <0 77 0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
+ dwmmc3 at 12230000 {
+ compatible = "samsung,exynos5250-dw-mshc";
+ reg = <0x12230000 0x1000>;
+ interrupts = <0 78 0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ };
+
amba {
#address-cells = <1>;
#size-cells = <1>;
--
1.6.6.rc2
^ permalink raw reply related [flat|nested] 4+ messages in thread