diff mbox series

[V4,2/8] clk: tegra: Add PLLP_UD and PLLMB_UD for Tegra210

Message ID 20190529082139.5581-3-josephl@nvidia.com
State New
Headers show
Series Add EMC scaling support for Tegra210 | expand

Commit Message

Joseph Lo May 29, 2019, 8:21 a.m. UTC
Introduce the low jitter path of PLLP and PLLMB which can be used as EMC
clock source.

Signed-off-by: Joseph Lo <josephl@nvidia.com>
---
v4:
- no change
v3:
- split to 3 patches from the previous version
---
 drivers/clk/tegra/clk-tegra210.c         | 11 +++++++++++
 include/dt-bindings/clock/tegra210-car.h |  4 ++--
 2 files changed, 13 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/clk/tegra/clk-tegra210.c b/drivers/clk/tegra/clk-tegra210.c
index ed3c7df75d1e..a985faa4a3c1 100644
--- a/drivers/clk/tegra/clk-tegra210.c
+++ b/drivers/clk/tegra/clk-tegra210.c
@@ -3116,6 +3116,17 @@  static void __init tegra210_pll_init(void __iomem *clk_base,
 	clk_register_clkdev(clk, "pll_m_ud", NULL);
 	clks[TEGRA210_CLK_PLL_M_UD] = clk;
 
+	/* PLLMB_UD */
+	clk = clk_register_fixed_factor(NULL, "pll_mb_ud", "pll_mb",
+					CLK_SET_RATE_PARENT, 1, 1);
+	clk_register_clkdev(clk, "pll_mb_ud", NULL);
+	clks[TEGRA210_CLK_PLL_MB_UD] = clk;
+
+	/* PLLP_UD */
+	clk = clk_register_fixed_factor(NULL, "pll_p_ud", "pll_p",
+					0, 1, 1);
+	clks[TEGRA210_CLK_PLL_P_UD] = clk;
+
 	/* PLLU_VCO */
 	if (!tegra210_init_pllu()) {
 		clk = clk_register_fixed_rate(NULL, "pll_u_vco", "pll_ref", 0,
diff --git a/include/dt-bindings/clock/tegra210-car.h b/include/dt-bindings/clock/tegra210-car.h
index 6b77e721f6b1..832a89788525 100644
--- a/include/dt-bindings/clock/tegra210-car.h
+++ b/include/dt-bindings/clock/tegra210-car.h
@@ -349,8 +349,8 @@ 
 #define TEGRA210_CLK_PLL_P_OUT_XUSB 317
 #define TEGRA210_CLK_XUSB_SSP_SRC 318
 #define TEGRA210_CLK_PLL_RE_OUT1 319
-/* 320 */
-/* 321 */
+#define TEGRA210_CLK_PLL_MB_UD 320
+#define TEGRA210_CLK_PLL_P_UD 321
 #define TEGRA210_CLK_ISP 322
 #define TEGRA210_CLK_PLL_A_OUT_ADSP 323
 #define TEGRA210_CLK_PLL_A_OUT0_OUT_ADSP 324