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authorArnd Bergmann <arnd@arndb.de>2016-09-21 22:37:18 +0200
committerArnd Bergmann <arnd@arndb.de>2016-09-21 22:37:18 +0200
commitf5f8aaf98d886165bcc4310017633bb630712d5f (patch)
treef000fe502768ceeb587db62fcc6b81b4d712a83d /drivers
parentc55b2d989a5b2ef85ad28229484279ac7c2c412a (diff)
parentc336dc7dac0747f6a4901bcd5a497e1b3fb265d7 (diff)
Merge tag 'mvebu-drivers-4.9-1' of git://git.infradead.org/linux-mvebu into next/drivers
Pull "mvebu drivers for 4.9 (part 1)" from Gregory CLEMENT: - Add pinctrl and clk support for the Orion5x SoC mv88f5181 variant * tag 'mvebu-drivers-4.9-1' of git://git.infradead.org/linux-mvebu: pinctrl: mvebu: orion5x: Generalise mv88f5181l support for 88f5181 clk: mvebu: Add clk support for the orion5x SoC mv88f5181
Diffstat (limited to 'drivers')
-rw-r--r--drivers/clk/mvebu/orion.c70
-rw-r--r--drivers/pinctrl/mvebu/pinctrl-orion.c23
2 files changed, 82 insertions, 11 deletions
diff --git a/drivers/clk/mvebu/orion.c b/drivers/clk/mvebu/orion.c
index fd129566c1ce..a6e5bee23385 100644
--- a/drivers/clk/mvebu/orion.c
+++ b/drivers/clk/mvebu/orion.c
@@ -21,6 +21,76 @@ static const struct coreclk_ratio orion_coreclk_ratios[] __initconst = {
};
/*
+ * Orion 5181
+ */
+
+#define SAR_MV88F5181_TCLK_FREQ 8
+#define SAR_MV88F5181_TCLK_FREQ_MASK 0x3
+
+static u32 __init mv88f5181_get_tclk_freq(void __iomem *sar)
+{
+ u32 opt = (readl(sar) >> SAR_MV88F5181_TCLK_FREQ) &
+ SAR_MV88F5181_TCLK_FREQ_MASK;
+ if (opt == 0)
+ return 133333333;
+ else if (opt == 1)
+ return 150000000;
+ else if (opt == 2)
+ return 166666667;
+ else
+ return 0;
+}
+
+#define SAR_MV88F5181_CPU_FREQ 4
+#define SAR_MV88F5181_CPU_FREQ_MASK 0xf
+
+static u32 __init mv88f5181_get_cpu_freq(void __iomem *sar)
+{
+ u32 opt = (readl(sar) >> SAR_MV88F5181_CPU_FREQ) &
+ SAR_MV88F5181_CPU_FREQ_MASK;
+ if (opt == 0)
+ return 333333333;
+ else if (opt == 1 || opt == 2)
+ return 400000000;
+ else if (opt == 3)
+ return 500000000;
+ else
+ return 0;
+}
+
+static void __init mv88f5181_get_clk_ratio(void __iomem *sar, int id,
+ int *mult, int *div)
+{
+ u32 opt = (readl(sar) >> SAR_MV88F5181_CPU_FREQ) &
+ SAR_MV88F5181_CPU_FREQ_MASK;
+ if (opt == 0 || opt == 1) {
+ *mult = 1;
+ *div = 2;
+ } else if (opt == 2 || opt == 3) {
+ *mult = 1;
+ *div = 3;
+ } else {
+ *mult = 0;
+ *div = 1;
+ }
+}
+
+static const struct coreclk_soc_desc mv88f5181_coreclks = {
+ .get_tclk_freq = mv88f5181_get_tclk_freq,
+ .get_cpu_freq = mv88f5181_get_cpu_freq,
+ .get_clk_ratio = mv88f5181_get_clk_ratio,
+ .ratios = orion_coreclk_ratios,
+ .num_ratios = ARRAY_SIZE(orion_coreclk_ratios),
+};
+
+static void __init mv88f5181_clk_init(struct device_node *np)
+{
+ return mvebu_coreclk_setup(np, &mv88f5181_coreclks);
+}
+
+CLK_OF_DECLARE(mv88f5181_clk, "marvell,mv88f5181-core-clock", mv88f5181_clk_init);
+
+/*
* Orion 5182
*/
diff --git a/drivers/pinctrl/mvebu/pinctrl-orion.c b/drivers/pinctrl/mvebu/pinctrl-orion.c
index 345c3df669a0..84e144167b44 100644
--- a/drivers/pinctrl/mvebu/pinctrl-orion.c
+++ b/drivers/pinctrl/mvebu/pinctrl-orion.c
@@ -64,11 +64,11 @@ static int orion_mpp_ctrl_set(unsigned pid, unsigned long config)
return 0;
}
-#define V(f5181l, f5182, f5281) \
- ((f5181l << 0) | (f5182 << 1) | (f5281 << 2))
+#define V(f5181, f5182, f5281) \
+ ((f5181 << 0) | (f5182 << 1) | (f5281 << 2))
enum orion_variant {
- V_5181L = V(1, 0, 0),
+ V_5181 = V(1, 0, 0),
V_5182 = V(0, 1, 0),
V_5281 = V(0, 0, 1),
V_ALL = V(1, 1, 1),
@@ -103,13 +103,13 @@ static struct mvebu_mpp_mode orion_mpp_modes[] = {
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_ALL),
MPP_VAR_FUNCTION(0x2, "pci", "req5", V_ALL),
MPP_VAR_FUNCTION(0x4, "nand", "re0", V_5182 | V_5281),
- MPP_VAR_FUNCTION(0x5, "pci-1", "clk", V_5181L),
+ MPP_VAR_FUNCTION(0x5, "pci-1", "clk", V_5181),
MPP_VAR_FUNCTION(0x5, "sata0", "act", V_5182)),
MPP_MODE(7,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_ALL),
MPP_VAR_FUNCTION(0x2, "pci", "gnt5", V_ALL),
MPP_VAR_FUNCTION(0x4, "nand", "we0", V_5182 | V_5281),
- MPP_VAR_FUNCTION(0x5, "pci-1", "clk", V_5181L),
+ MPP_VAR_FUNCTION(0x5, "pci-1", "clk", V_5181),
MPP_VAR_FUNCTION(0x5, "sata1", "act", V_5182)),
MPP_MODE(8,
MPP_VAR_FUNCTION(0x0, "gpio", NULL, V_ALL),
@@ -165,7 +165,7 @@ static struct mvebu_mpp_ctrl orion_mpp_controls[] = {
MPP_FUNC_CTRL(0, 19, NULL, orion_mpp_ctrl),
};
-static struct pinctrl_gpio_range mv88f5181l_gpio_ranges[] = {
+static struct pinctrl_gpio_range mv88f5181_gpio_ranges[] = {
MPP_GPIO_RANGE(0, 0, 0, 16),
};
@@ -177,14 +177,14 @@ static struct pinctrl_gpio_range mv88f5281_gpio_ranges[] = {
MPP_GPIO_RANGE(0, 0, 0, 16),
};
-static struct mvebu_pinctrl_soc_info mv88f5181l_info = {
- .variant = V_5181L,
+static struct mvebu_pinctrl_soc_info mv88f5181_info = {
+ .variant = V_5181,
.controls = orion_mpp_controls,
.ncontrols = ARRAY_SIZE(orion_mpp_controls),
.modes = orion_mpp_modes,
.nmodes = ARRAY_SIZE(orion_mpp_modes),
- .gpioranges = mv88f5181l_gpio_ranges,
- .ngpioranges = ARRAY_SIZE(mv88f5181l_gpio_ranges),
+ .gpioranges = mv88f5181_gpio_ranges,
+ .ngpioranges = ARRAY_SIZE(mv88f5181_gpio_ranges),
};
static struct mvebu_pinctrl_soc_info mv88f5182_info = {
@@ -212,7 +212,8 @@ static struct mvebu_pinctrl_soc_info mv88f5281_info = {
* muxing, they are identical.
*/
static const struct of_device_id orion_pinctrl_of_match[] = {
- { .compatible = "marvell,88f5181l-pinctrl", .data = &mv88f5181l_info },
+ { .compatible = "marvell,88f5181-pinctrl", .data = &mv88f5181_info },
+ { .compatible = "marvell,88f5181l-pinctrl", .data = &mv88f5181_info },
{ .compatible = "marvell,88f5182-pinctrl", .data = &mv88f5182_info },
{ .compatible = "marvell,88f5281-pinctrl", .data = &mv88f5281_info },
{ }