Add Reset Management Unit (RMU) support for Actions Semi S700 SoC
of the Owl family series. RMU belongs to the Owl SoCs system-controller
which also includes CMU (Clock Management Unit).
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
---
drivers/reset/reset-owl.c | 33 +++++++++++++++++++++++++++++++++
1 file changed, 33 insertions(+)
diff --git a/drivers/reset/reset-owl.c b/drivers/reset/reset-owl.c
index c4f07691fb36..2e761c64f81b 100644
--- a/drivers/reset/reset-owl.c
+++ b/drivers/reset/reset-owl.c
@@ -12,6 +12,7 @@
#include <linux/reset-controller.h>
#include <dt-bindings/reset/actions,s900-rmu.h>
+#include <dt-bindings/reset/actions,s700-rmu.h>
#define CMU_DEVRST0 0x00a8
#define CMU_DEVRST1 0x00ac
@@ -84,11 +85,42 @@ static const struct owl_reset_map s900_resets[] = {
[S900_RESET_I2C3] = { CMU_DEVRST1, BIT(19) },
};
+static const struct owl_reset_map s700_resets[] = {
+ [S700_RESET_DE] = { CMU_DEVRST0, BIT(0) },
+ [S700_RESET_LCD0] = { CMU_DEVRST0, BIT(1) },
+ [S700_RESET_DSI] = { CMU_DEVRST0, BIT(2) },
+ [S700_RESET_CSI] = { CMU_DEVRST0, BIT(13) },
+ [S700_RESET_SI] = { CMU_DEVRST0, BIT(14) },
+ [S700_RESET_I2C0] = { CMU_DEVRST1, BIT(0) },
+ [S700_RESET_I2C1] = { CMU_DEVRST1, BIT(1) },
+ [S700_RESET_I2C2] = { CMU_DEVRST1, BIT(2) },
+ [S700_RESET_I2C3] = { CMU_DEVRST1, BIT(3) },
+ [S700_RESET_SPI0] = { CMU_DEVRST1, BIT(4) },
+ [S700_RESET_SPI1] = { CMU_DEVRST1, BIT(5) },
+ [S700_RESET_SPI2] = { CMU_DEVRST1, BIT(6) },
+ [S700_RESET_SPI3] = { CMU_DEVRST1, BIT(7) },
+ [S700_RESET_UART0] = { CMU_DEVRST1, BIT(8) },
+ [S700_RESET_UART1] = { CMU_DEVRST1, BIT(9) },
+ [S700_RESET_UART2] = { CMU_DEVRST1, BIT(10) },
+ [S700_RESET_UART3] = { CMU_DEVRST1, BIT(11) },
+ [S700_RESET_UART4] = { CMU_DEVRST1, BIT(12) },
+ [S700_RESET_UART5] = { CMU_DEVRST1, BIT(13) },
+ [S700_RESET_UART6] = { CMU_DEVRST1, BIT(14) },
+ [S700_RESET_KEY] = { CMU_DEVRST1, BIT(24) },
+ [S700_RESET_GPIO] = { CMU_DEVRST1, BIT(25) },
+ [S700_RESET_AUDIO] = { CMU_DEVRST1, BIT(29) },
+};
+
static const struct owl_reset_hw s900_reset_hw = {
.resets = s900_resets,
.num_resets = ARRAY_SIZE(s900_resets),
};
+static const struct owl_reset_hw s700_reset_hw = {
+ .resets = s700_resets,
+ .num_resets = ARRAY_SIZE(s700_resets),
+};
+
static inline struct owl_reset *to_owl_reset(struct reset_controller_dev *rcdev)
{
return container_of(rcdev, struct owl_reset, rcdev);
@@ -179,6 +211,7 @@ static int owl_reset_probe(struct platform_device *pdev)
static const struct of_device_id owl_reset_of_match[] = {
{ .compatible = "actions,s900-rmu", .data = &s900_reset_hw },
+ { .compatible = "actions,s700-rmu", .data = &s700_reset_hw },
{ /* sentinel */ }
};
--
2.17.1
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
