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path: root/drivers/clk/bcm/clk-raspberrypi.c
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Diffstat (limited to 'drivers/clk/bcm/clk-raspberrypi.c')
-rw-r--r--drivers/clk/bcm/clk-raspberrypi.c33
1 files changed, 24 insertions, 9 deletions
diff --git a/drivers/clk/bcm/clk-raspberrypi.c b/drivers/clk/bcm/clk-raspberrypi.c
index a18a8768feb4..0e1fe3759530 100644
--- a/drivers/clk/bcm/clk-raspberrypi.c
+++ b/drivers/clk/bcm/clk-raspberrypi.c
@@ -34,6 +34,7 @@ static char *rpi_firmware_clk_names[] = {
[RPI_FIRMWARE_M2MC_CLK_ID] = "m2mc",
[RPI_FIRMWARE_PIXEL_BVB_CLK_ID] = "pixel-bvb",
[RPI_FIRMWARE_VEC_CLK_ID] = "vec",
+ [RPI_FIRMWARE_DISP_CLK_ID] = "disp",
};
#define RPI_FIRMWARE_STATE_ENABLE_BIT BIT(0)
@@ -56,6 +57,12 @@ struct raspberrypi_clk_data {
struct raspberrypi_clk *rpi;
};
+static inline
+const struct raspberrypi_clk_data *clk_hw_to_data(const struct clk_hw *hw)
+{
+ return container_of(hw, struct raspberrypi_clk_data, hw);
+}
+
struct raspberrypi_clk_variant {
bool export;
char *clkdev;
@@ -111,18 +118,31 @@ raspberrypi_clk_variants[RPI_FIRMWARE_NUM_CLK_ID] = {
},
[RPI_FIRMWARE_V3D_CLK_ID] = {
.export = true,
+ .minimize = true,
},
[RPI_FIRMWARE_PIXEL_CLK_ID] = {
.export = true,
+ .minimize = true,
},
[RPI_FIRMWARE_HEVC_CLK_ID] = {
.export = true,
+ .minimize = true,
+ },
+ [RPI_FIRMWARE_ISP_CLK_ID] = {
+ .export = true,
+ .minimize = true,
},
[RPI_FIRMWARE_PIXEL_BVB_CLK_ID] = {
.export = true,
+ .minimize = true,
},
[RPI_FIRMWARE_VEC_CLK_ID] = {
.export = true,
+ .minimize = true,
+ },
+ [RPI_FIRMWARE_DISP_CLK_ID] = {
+ .export = true,
+ .minimize = true,
},
};
@@ -153,7 +173,6 @@ static int raspberrypi_clock_property(struct rpi_firmware *firmware,
struct raspberrypi_firmware_prop msg = {
.id = cpu_to_le32(data->id),
.val = cpu_to_le32(*val),
- .disable_turbo = cpu_to_le32(1),
};
int ret;
@@ -168,8 +187,7 @@ static int raspberrypi_clock_property(struct rpi_firmware *firmware,
static int raspberrypi_fw_is_prepared(struct clk_hw *hw)
{
- struct raspberrypi_clk_data *data =
- container_of(hw, struct raspberrypi_clk_data, hw);
+ const struct raspberrypi_clk_data *data = clk_hw_to_data(hw);
struct raspberrypi_clk *rpi = data->rpi;
u32 val = 0;
int ret;
@@ -186,8 +204,7 @@ static int raspberrypi_fw_is_prepared(struct clk_hw *hw)
static unsigned long raspberrypi_fw_get_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
- struct raspberrypi_clk_data *data =
- container_of(hw, struct raspberrypi_clk_data, hw);
+ const struct raspberrypi_clk_data *data = clk_hw_to_data(hw);
struct raspberrypi_clk *rpi = data->rpi;
u32 val = 0;
int ret;
@@ -203,8 +220,7 @@ static unsigned long raspberrypi_fw_get_rate(struct clk_hw *hw,
static int raspberrypi_fw_set_rate(struct clk_hw *hw, unsigned long rate,
unsigned long parent_rate)
{
- struct raspberrypi_clk_data *data =
- container_of(hw, struct raspberrypi_clk_data, hw);
+ const struct raspberrypi_clk_data *data = clk_hw_to_data(hw);
struct raspberrypi_clk *rpi = data->rpi;
u32 _rate = rate;
int ret;
@@ -221,8 +237,7 @@ static int raspberrypi_fw_set_rate(struct clk_hw *hw, unsigned long rate,
static int raspberrypi_fw_dumb_determine_rate(struct clk_hw *hw,
struct clk_rate_request *req)
{
- struct raspberrypi_clk_data *data =
- container_of(hw, struct raspberrypi_clk_data, hw);
+ const struct raspberrypi_clk_data *data = clk_hw_to_data(hw);
struct raspberrypi_clk_variant *variant = data->variant;
/*