[PATCH 4/8] clk: sunxi-ng: Add support for the Allwinner H616 R-CCU

Andre Przywara
2020-12-02T13:55:44Z

The clocks itself are identical to the H6 R-CCU, it's just that the H616
has not all of them implemented (or connected).

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
---
drivers/clk/sunxi-ng/ccu-sun50i-h6-r.c | 47 +++++++++++++++++++++++++-
drivers/clk/sunxi-ng/ccu-sun50i-h6-r.h | 3 +-
2 files changed, 48 insertions(+), 2 deletions(-)

diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-h6-r.c b/drivers/clk/sunxi-ng/ccu-sun50i-h6-r.c
index 50f8d1bc7046..119d1797f501 100644
--- a/drivers/clk/sunxi-ng/ccu-sun50i-h6-r.c
+++ b/drivers/clk/sunxi-ng/ccu-sun50i-h6-r.c
@@ -136,6 +136,15 @@ static struct ccu_common *sun50i_h6_r_ccu_clks[] = {
&w1_clk.common,
};

+static struct ccu_common *sun50i_h616_r_ccu_clks[] = {
+ &r_apb1_clk.common,
+ &r_apb2_clk.common,
+ &r_apb1_twd_clk.common,
+ &r_apb2_i2c_clk.common,
+ &r_apb1_ir_clk.common,
+ &ir_clk.common,
+};
+
static struct clk_hw_onecell_data sun50i_h6_r_hw_clks = {
.hws = {
[CLK_AR100] = &ar100_clk.common.hw,
@@ -152,7 +161,20 @@ static struct clk_hw_onecell_data sun50i_h6_r_hw_clks = {
[CLK_IR] = &ir_clk.common.hw,
[CLK_W1] = &w1_clk.common.hw,
},
- .num = CLK_NUMBER,
+ .num = CLK_NUMBER_H616,
+};
+
+static struct clk_hw_onecell_data sun50i_h616_r_hw_clks = {
+ .hws = {
+ [CLK_R_AHB] = &r_ahb_clk.hw,
+ [CLK_R_APB1] = &r_apb1_clk.common.hw,
+ [CLK_R_APB2] = &r_apb2_clk.common.hw,
+ [CLK_R_APB1_TWD] = &r_apb1_twd_clk.common.hw,
+ [CLK_R_APB2_I2C] = &r_apb2_i2c_clk.common.hw,
+ [CLK_R_APB1_IR] = &r_apb1_ir_clk.common.hw,
+ [CLK_IR] = &ir_clk.common.hw,
+ },
+ .num = CLK_NUMBER_H616,
};

static struct ccu_reset_map sun50i_h6_r_ccu_resets[] = {
@@ -165,6 +187,12 @@ static struct ccu_reset_map sun50i_h6_r_ccu_resets[] = {
[RST_R_APB1_W1] = { 0x1ec, BIT(16) },
};

+static struct ccu_reset_map sun50i_h616_r_ccu_resets[] = {
+ [RST_R_APB1_TWD] = { 0x12c, BIT(16) },
+ [RST_R_APB2_I2C] = { 0x19c, BIT(16) },
+ [RST_R_APB1_IR] = { 0x1cc, BIT(16) },
+};
+
static const struct sunxi_ccu_desc sun50i_h6_r_ccu_desc = {
.ccu_clks = sun50i_h6_r_ccu_clks,
.num_ccu_clks = ARRAY_SIZE(sun50i_h6_r_ccu_clks),
@@ -175,6 +203,16 @@ static const struct sunxi_ccu_desc sun50i_h6_r_ccu_desc = {
.num_resets = ARRAY_SIZE(sun50i_h6_r_ccu_resets),
};

+static const struct sunxi_ccu_desc sun50i_h616_r_ccu_desc = {
+ .ccu_clks = sun50i_h616_r_ccu_clks,
+ .num_ccu_clks = ARRAY_SIZE(sun50i_h616_r_ccu_clks),
+
+ .hw_clks = &sun50i_h616_r_hw_clks,
+
+ .resets = sun50i_h616_r_ccu_resets,
+ .num_resets = ARRAY_SIZE(sun50i_h616_r_ccu_resets),
+};
+
static void __init sunxi_r_ccu_init(struct device_node *node,
const struct sunxi_ccu_desc *desc)
{
@@ -195,3 +233,10 @@ static void __init sun50i_h6_r_ccu_setup(struct device_node *node)
}
CLK_OF_DECLARE(sun50i_h6_r_ccu, "allwinner,sun50i-h6-r-ccu",
sun50i_h6_r_ccu_setup);
+
+static void __init sun50i_h616_r_ccu_setup(struct device_node *node)
+{
+ sunxi_r_ccu_init(node, &sun50i_h616_r_ccu_desc);
+}
+CLK_OF_DECLARE(sun50i_h616_r_ccu, "allwinner,sun50i-h616-r-ccu",
+ sun50i_h616_r_ccu_setup);
diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-h6-r.h b/drivers/clk/sunxi-ng/ccu-sun50i-h6-r.h
index 782117dc0b28..128302696ca1 100644
--- a/drivers/clk/sunxi-ng/ccu-sun50i-h6-r.h
+++ b/drivers/clk/sunxi-ng/ccu-sun50i-h6-r.h
@@ -14,6 +14,7 @@

#define CLK_R_APB2 3

-#define CLK_NUMBER (CLK_W1 + 1)
+#define CLK_NUMBER_H6 (CLK_W1 + 1)
+#define CLK_NUMBER_H616 (CLK_IR + 1)

#endif /* _CCU_SUN50I_H6_R_H */
--
2.17.5