mvebu drivers for 4.9 (part 1)

- Add pinctrl and clk support for the Orion5x SoC mv88f5181 variant
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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
This commit is contained in:
Arnd Bergmann 2016-09-21 22:37:18 +02:00
commit f5f8aaf98d
4 changed files with 86 additions and 12 deletions

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@ -52,6 +52,7 @@ Required properties:
"marvell,dove-core-clock" - for Dove SoC core clocks
"marvell,kirkwood-core-clock" - for Kirkwood SoC (except mv88f6180)
"marvell,mv88f6180-core-clock" - for Kirkwood MV88f6180 SoC
"marvell,mv88f5181-core-clock" - for Orion MV88F5181 SoC
"marvell,mv88f5182-core-clock" - for Orion MV88F5182 SoC
"marvell,mv88f5281-core-clock" - for Orion MV88F5281 SoC
"marvell,mv88f6183-core-clock" - for Orion MV88F6183 SoC

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@ -4,7 +4,9 @@ Please refer to marvell,mvebu-pinctrl.txt in this directory for common binding
part and usage.
Required properties:
- compatible: "marvell,88f5181l-pinctrl", "marvell,88f5182-pinctrl",
- compatible: "marvell,88f5181-pinctrl",
"marvell,88f5181l-pinctrl",
"marvell,88f5182-pinctrl",
"marvell,88f5281-pinctrl"
- reg: two register areas, the first one describing the first two

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@ -20,6 +20,76 @@ static const struct coreclk_ratio orion_coreclk_ratios[] __initconst = {
{ .id = 0, .name = "ddrclk", }
};
/*
* 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
*/

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@ -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 },
{ }