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-rw-r--r--arch/arm/boot/dts/dm814x-clocks.dtsi109
-rw-r--r--arch/arm/boot/dts/dm814x.dtsi33
-rw-r--r--arch/arm/common/scoop.c2
-rw-r--r--arch/arm/mach-davinci/Kconfig3
-rw-r--r--arch/arm/mach-davinci/board-dm355-evm.c4
-rw-r--r--arch/arm/mach-davinci/board-dm355-leopard.c4
-rw-r--r--arch/arm/mach-omap2/io.c3
-rw-r--r--arch/arm/mach-omap2/omap_hwmod_81xx_data.c12
-rw-r--r--arch/arm/mach-omap2/prm_common.c8
-rw-r--r--arch/arm/mach-sa1100/simpad.c4
10 files changed, 126 insertions, 56 deletions
diff --git a/arch/arm/boot/dts/dm814x-clocks.dtsi b/arch/arm/boot/dts/dm814x-clocks.dtsi
index ef1e8e7a6cc6..26001585673a 100644
--- a/arch/arm/boot/dts/dm814x-clocks.dtsi
+++ b/arch/arm/boot/dts/dm814x-clocks.dtsi
@@ -4,25 +4,74 @@
* published by the Free Software Foundation.
*/
+&pllss_clocks {
+ timer1_fck: timer1_fck {
+ #clock-cells = <0>;
+ compatible = "ti,mux-clock";
+ clocks = <&sysclk18_ck &aud_clkin0_ck &aud_clkin1_ck
+ &aud_clkin2_ck &devosc_ck &auxosc_ck &tclkin_ck>;
+ ti,bit-shift = <3>;
+ reg = <0x2e0>;
+ };
+
+ timer2_fck: timer2_fck {
+ #clock-cells = <0>;
+ compatible = "ti,mux-clock";
+ clocks = <&sysclk18_ck &aud_clkin0_ck &aud_clkin1_ck
+ &aud_clkin2_ck &devosc_ck &auxosc_ck &tclkin_ck>;
+ ti,bit-shift = <6>;
+ reg = <0x2e0>;
+ };
+
+ sysclk18_ck: sysclk18_ck {
+ #clock-cells = <0>;
+ compatible = "ti,mux-clock";
+ clocks = <&rtcosc_ck>, <&rtcdivider_ck>;
+ ti,bit-shift = <0>;
+ reg = <0x02f0>;
+ };
+};
+
&scm_clocks {
+ devosc_ck: devosc_ck {
+ #clock-cells = <0>;
+ compatible = "ti,mux-clock";
+ clocks = <&virt_20000000_ck>, <&virt_19200000_ck>;
+ ti,bit-shift = <21>;
+ reg = <0x0040>;
+ };
- tclkin_ck: tclkin_ck {
+ /* Optional auxosc, 20 - 30 MHz range, assume 27 MHz by default */
+ auxosc_ck: auxosc_ck {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <27000000>;
+ };
+
+ /* Optional 32768Hz crystal or clock on RTCOSC pins */
+ rtcosc_ck: rtcosc_ck {
#clock-cells = <0>;
compatible = "fixed-clock";
clock-frequency = <32768>;
};
- devosc_ck: devosc_ck {
+ /* Optional external clock on TCLKIN pin, set rate in baord dts file */
+ tclkin_ck: tclkin_ck {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <0>;
+ };
+
+ virt_20000000_ck: virt_20000000_ck {
#clock-cells = <0>;
compatible = "fixed-clock";
clock-frequency = <20000000>;
};
- /* Optional auxosc, 20 - 30 MHz range, assume 27 MHz by default */
- auxosc_ck: auxosc_ck {
+ virt_19200000_ck: virt_19200000_ck {
#clock-cells = <0>;
compatible = "fixed-clock";
- clock-frequency = <27000000>;
+ clock-frequency = <19200000>;
};
mpu_ck: mpu_ck {
@@ -49,12 +98,6 @@
clock-frequency = <48000000>;
};
- sysclk18_ck: sysclk18_ck {
- #clock-cells = <0>;
- compatible = "fixed-clock";
- clock-frequency = <32768>;
- };
-
cpsw_125mhz_gclk: cpsw_125mhz_gclk {
#clock-cells = <0>;
compatible = "fixed-clock";
@@ -69,7 +112,31 @@
};
-&pllss_clocks {
+&prcm_clocks {
+ osc_src_ck: osc_src_ck {
+ #clock-cells = <0>;
+ compatible = "fixed-factor-clock";
+ clocks = <&devosc_ck>;
+ clock-mult = <1>;
+ clock-div = <1>;
+ };
+
+ mpu_clksrc_ck: mpu_clksrc_ck {
+ #clock-cells = <0>;
+ compatible = "ti,mux-clock";
+ clocks = <&devosc_ck>, <&rtcdivider_ck>;
+ ti,bit-shift = <0>;
+ reg = <0x0040>;
+ };
+
+ /* Fixed divider clock 0.0016384 * devosc */
+ rtcdivider_ck: rtcdivider_ck {
+ #clock-cells = <0>;
+ compatible = "fixed-factor-clock";
+ clocks = <&devosc_ck>;
+ clock-mult = <128>;
+ clock-div = <78125>;
+ };
aud_clkin0_ck: aud_clkin0_ck {
#clock-cells = <0>;
@@ -88,22 +155,4 @@
compatible = "fixed-clock";
clock-frequency = <20000000>;
};
-
- timer1_mux_ck: timer1_mux_ck {
- #clock-cells = <0>;
- compatible = "ti,mux-clock";
- clocks = <&sysclk18_ck &aud_clkin0_ck &aud_clkin1_ck
- &aud_clkin2_ck &devosc_ck &auxosc_ck &tclkin_ck>;
- ti,bit-shift = <3>;
- reg = <0x2e0>;
- };
-
- timer2_mux_ck: timer2_mux_ck {
- #clock-cells = <0>;
- compatible = "ti,mux-clock";
- clocks = <&sysclk18_ck &aud_clkin0_ck &aud_clkin1_ck
- &aud_clkin2_ck &devosc_ck &auxosc_ck &tclkin_ck>;
- ti,bit-shift = <6>;
- reg = <0x2e0>;
- };
};
diff --git a/arch/arm/boot/dts/dm814x.dtsi b/arch/arm/boot/dts/dm814x.dtsi
index 7988b42e5764..09a8d88bde23 100644
--- a/arch/arm/boot/dts/dm814x.dtsi
+++ b/arch/arm/boot/dts/dm814x.dtsi
@@ -58,8 +58,10 @@
ti,hwmods = "l3_main";
/*
- * See TRM "Table 1-317. L4LS Instance Summary", just deduct
- * 0x1000 from the 1-317 addresses to get the device address
+ * See TRM "Table 1-317. L4LS Instance Summary" for hints.
+ * It shows the module target agent registers though, so the
+ * actual device is typically 0x1000 before the target agent
+ * except in cases where the module is larger than 0x1000.
*/
l4ls: l4ls@48000000 {
compatible = "ti,dm814-l4ls", "simple-bus";
@@ -183,10 +185,10 @@
control: control@140000 {
compatible = "ti,dm814-scm", "simple-bus";
- reg = <0x140000 0x16d000>;
+ reg = <0x140000 0x20000>;
#address-cells = <1>;
#size-cells = <1>;
- ranges = <0 0x160000 0x16d000>;
+ ranges = <0 0x140000 0x20000>;
scm_conf: scm_conf@0 {
compatible = "syscon";
@@ -203,19 +205,30 @@
};
};
+ /*
+ * Note that silicon revision 2.1 and older
+ * require input enabled (bit 18 set) for all
+ * 3.3V I/Os to avoid cumulative hardware damage.
+ * For more info, see errata advisory 2.1.87.
+ * We leave bit 18 out of function-mask and rely
+ * on the bootloader for it.
+ */
pincntl: pinmux@800 {
compatible = "pinctrl-single";
- reg = <0x800 0xc38>;
+ reg = <0x800 0x438>;
#address-cells = <1>;
#size-cells = <0>;
pinctrl-single,register-width = <32>;
- pinctrl-single,function-mask = <0x300ff>;
+ pinctrl-single,function-mask = <0x307ff>;
};
};
prcm: prcm@180000 {
compatible = "ti,dm814-prcm", "simple-bus";
- reg = <0x180000 0x4000>;
+ reg = <0x180000 0x2000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0 0x180000 0x2000>;
prcm_clocks: clocks {
#address-cells = <1>;
@@ -226,9 +239,13 @@
};
};
+ /* See TRM PLL_SUBSYS_BASE and "PLLSS Registers" */
pllss: pllss@1c5000 {
compatible = "ti,dm814-pllss", "simple-bus";
- reg = <0x1c5000 0x2000>;
+ reg = <0x1c5000 0x1000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0 0x1c5000 0x1000>;
pllss_clocks: clocks {
#address-cells = <1>;
diff --git a/arch/arm/common/scoop.c b/arch/arm/common/scoop.c
index 45f4c21e393c..e0df333202b8 100644
--- a/arch/arm/common/scoop.c
+++ b/arch/arm/common/scoop.c
@@ -84,7 +84,7 @@ static int scoop_gpio_get(struct gpio_chip *chip, unsigned offset)
struct scoop_dev *sdev = container_of(chip, struct scoop_dev, gpio);
/* XXX: I'm unsure, but it seems so */
- return ioread16(sdev->base + SCOOP_GPRR) & (1 << (offset + 1));
+ return !!(ioread16(sdev->base + SCOOP_GPRR) & (1 << (offset + 1)));
}
static int scoop_gpio_direction_input(struct gpio_chip *chip,
diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig
index dd8f5312b2c0..bcaf1d025505 100644
--- a/arch/arm/mach-davinci/Kconfig
+++ b/arch/arm/mach-davinci/Kconfig
@@ -34,7 +34,8 @@ config ARCH_DAVINCI_DA830
bool "DA830/OMAP-L137/AM17x based system"
depends on !ARCH_DAVINCI_DMx || AUTO_ZRELADDR
select ARCH_DAVINCI_DA8XX
- select CPU_DCACHE_WRITETHROUGH # needed on silicon revs 1.0, 1.1
+ # needed on silicon revs 1.0, 1.1:
+ select CPU_DCACHE_WRITETHROUGH if !CPU_DCACHE_DISABLE
select CP_INTC
config ARCH_DAVINCI_DA850
diff --git a/arch/arm/mach-davinci/board-dm355-evm.c b/arch/arm/mach-davinci/board-dm355-evm.c
index c71dd9982f03..1844076f6403 100644
--- a/arch/arm/mach-davinci/board-dm355-evm.c
+++ b/arch/arm/mach-davinci/board-dm355-evm.c
@@ -384,9 +384,7 @@ static __init void dm355_evm_init(void)
dm355evm_dm9000_rsrc[2].start = gpio_to_irq(1);
aemif = clk_get(&dm355evm_dm9000.dev, "aemif");
- if (IS_ERR(aemif))
- WARN("%s: unable to get AEMIF clock\n", __func__);
- else
+ if (!WARN(IS_ERR(aemif), "unable to get AEMIF clock\n"))
clk_prepare_enable(aemif);
platform_add_devices(davinci_evm_devices,
diff --git a/arch/arm/mach-davinci/board-dm355-leopard.c b/arch/arm/mach-davinci/board-dm355-leopard.c
index 680a7a2d9102..284ff27c1b32 100644
--- a/arch/arm/mach-davinci/board-dm355-leopard.c
+++ b/arch/arm/mach-davinci/board-dm355-leopard.c
@@ -242,9 +242,7 @@ static __init void dm355_leopard_init(void)
dm355leopard_dm9000_rsrc[2].start = gpio_to_irq(9);
aemif = clk_get(&dm355leopard_dm9000.dev, "aemif");
- if (IS_ERR(aemif))
- WARN("%s: unable to get AEMIF clock\n", __func__);
- else
+ if (!WARN(IS_ERR(aemif), "unable to get AEMIF clock\n"))
clk_prepare_enable(aemif);
platform_add_devices(davinci_leopard_devices,
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index 3eaeaca5da05..3c87e40650cf 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -612,8 +612,7 @@ void __init ti814x_init_early(void)
ti814x_clockdomains_init();
dm814x_hwmod_init();
omap_hwmod_init_postsetup();
- if (of_have_populated_dt())
- omap_clk_soc_init = dm814x_dt_clk_init;
+ omap_clk_soc_init = dm814x_dt_clk_init;
}
void __init ti816x_init_early(void)
diff --git a/arch/arm/mach-omap2/omap_hwmod_81xx_data.c b/arch/arm/mach-omap2/omap_hwmod_81xx_data.c
index 6256052893ec..1b96cdfd1558 100644
--- a/arch/arm/mach-omap2/omap_hwmod_81xx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_81xx_data.c
@@ -599,7 +599,7 @@ static struct omap_timer_capability_dev_attr capability_alwon_dev_attr = {
static struct omap_hwmod dm814x_timer1_hwmod = {
.name = "timer1",
.clkdm_name = "alwon_l3s_clkdm",
- .main_clk = "timer_sys_ck",
+ .main_clk = "timer1_fck",
.dev_attr = &capability_alwon_dev_attr,
.class = &dm816x_timer_hwmod_class,
.flags = HWMOD_NO_IDLEST,
@@ -608,7 +608,7 @@ static struct omap_hwmod dm814x_timer1_hwmod = {
static struct omap_hwmod_ocp_if dm814x_l4_ls__timer1 = {
.master = &dm81xx_l4_ls_hwmod,
.slave = &dm814x_timer1_hwmod,
- .clk = "timer_sys_ck",
+ .clk = "timer1_fck",
.user = OCP_USER_MPU,
};
@@ -636,7 +636,7 @@ static struct omap_hwmod_ocp_if dm816x_l4_ls__timer1 = {
static struct omap_hwmod dm814x_timer2_hwmod = {
.name = "timer2",
.clkdm_name = "alwon_l3s_clkdm",
- .main_clk = "timer_sys_ck",
+ .main_clk = "timer2_fck",
.dev_attr = &capability_alwon_dev_attr,
.class = &dm816x_timer_hwmod_class,
.flags = HWMOD_NO_IDLEST,
@@ -645,7 +645,7 @@ static struct omap_hwmod dm814x_timer2_hwmod = {
static struct omap_hwmod_ocp_if dm814x_l4_ls__timer2 = {
.master = &dm81xx_l4_ls_hwmod,
.slave = &dm814x_timer2_hwmod,
- .clk = "timer_sys_ck",
+ .clk = "timer2_fck",
.user = OCP_USER_MPU,
};
@@ -1230,8 +1230,6 @@ static struct omap_hwmod_ocp_if dm81xx_tptc3__alwon_l3_fast = {
/*
* REVISIT: Test and enable the following once clocks work:
- * dm81xx_l4_ls__gpio1
- * dm81xx_l4_ls__gpio2
* dm81xx_l4_ls__mailbox
* dm81xx_alwon_l3_slow__gpmc
* dm81xx_default_l3_slow__usbss
@@ -1250,6 +1248,8 @@ static struct omap_hwmod_ocp_if *dm814x_hwmod_ocp_ifs[] __initdata = {
&dm81xx_l4_ls__wd_timer1,
&dm81xx_l4_ls__i2c1,
&dm81xx_l4_ls__i2c2,
+ &dm81xx_l4_ls__gpio1,
+ &dm81xx_l4_ls__gpio2,
&dm81xx_l4_ls__elm,
&dm81xx_l4_ls__mcspi1,
&dm81xx_alwon_l3_fast__tpcc,
diff --git a/arch/arm/mach-omap2/prm_common.c b/arch/arm/mach-omap2/prm_common.c
index 3fc2cbe52113..5b2f5138d938 100644
--- a/arch/arm/mach-omap2/prm_common.c
+++ b/arch/arm/mach-omap2/prm_common.c
@@ -664,6 +664,13 @@ static struct omap_prcm_init_data am3_prm_data __initdata = {
};
#endif
+#ifdef CONFIG_SOC_TI81XX
+static struct omap_prcm_init_data dm814_pllss_data __initdata = {
+ .index = TI_CLKM_PLLSS,
+ .init = am33xx_prm_init,
+};
+#endif
+
#ifdef CONFIG_ARCH_OMAP4
static struct omap_prcm_init_data omap4_prm_data __initdata = {
.index = TI_CLKM_PRM,
@@ -715,6 +722,7 @@ static const struct of_device_id const omap_prcm_dt_match_table[] __initconst =
#endif
#ifdef CONFIG_SOC_TI81XX
{ .compatible = "ti,dm814-prcm", .data = &am3_prm_data },
+ { .compatible = "ti,dm814-pllss", .data = &dm814_pllss_data },
{ .compatible = "ti,dm816-prcm", .data = &am3_prm_data },
#endif
#ifdef CONFIG_ARCH_OMAP2
diff --git a/arch/arm/mach-sa1100/simpad.c b/arch/arm/mach-sa1100/simpad.c
index 41e476e571d7..d8965c682d2f 100644
--- a/arch/arm/mach-sa1100/simpad.c
+++ b/arch/arm/mach-sa1100/simpad.c
@@ -98,8 +98,8 @@ static void cs3_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
static int cs3_gpio_get(struct gpio_chip *chip, unsigned offset)
{
if (offset > 15)
- return simpad_get_cs3_ro() & (1 << (offset - 16));
- return simpad_get_cs3_shadow() & (1 << offset);
+ return !!(simpad_get_cs3_ro() & (1 << (offset - 16)));
+ return !!(simpad_get_cs3_shadow() & (1 << offset));
};
static int cs3_gpio_direction_input(struct gpio_chip *chip, unsigned offset)