clk: tegra: Add the APB2APE audio clock on Tegra210

The APB2APE clock for the audio subsystem is required for powering up the
audio power domain and accessing the various modules in this subsystem on
Tegra210 devices. Add this clock for Tegra210.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>

diff --git a/drivers/clk/tegra/clk-id.h b/drivers/clk/tegra/clk-id.h
index 19ce073..62ea381 100644 (file)
--- a/drivers/clk/tegra/clk-id.h
+++ b/drivers/clk/tegra/clk-id.h
@@ -11,6 +11,7 @@ enum clk_id {
        tegra_clk_afi,
        tegra_clk_amx,
        tegra_clk_amx1,
+       tegra_clk_apb2ape,
        tegra_clk_apbdma,
        tegra_clk_apbif,
        tegra_clk_ape,

diff --git a/drivers/clk/tegra/clk-tegra-periph.c b/drivers/clk/tegra/clk-tegra-periph.c
index 1860df1..ea2b9cb 100644 (file)
--- a/drivers/clk/tegra/clk-tegra-periph.c
+++ b/drivers/clk/tegra/clk-tegra-periph.c
@@ -829,6 +829,7 @@ static struct tegra_periph_init_data gate_clks[] = {
        GATE("xusb_gate", "osc", 143, 0, tegra_clk_xusb_gate, 0),
        GATE("pll_p_out_cpu", "pll_p", 223, 0, tegra_clk_pll_p_out_cpu, 0),
        GATE("pll_p_out_adsp", "pll_p", 187, 0, tegra_clk_pll_p_out_adsp, 0),
+       GATE("apb2ape", "clk_m", 107, 0, tegra_clk_apb2ape, 0),
 };
 
 static struct tegra_periph_init_data div_clks[] = {

diff --git a/drivers/clk/tegra/clk-tegra210.c b/drivers/clk/tegra/clk-tegra210.c
index ffcb86a..14c1841 100644 (file)
--- a/drivers/clk/tegra/clk-tegra210.c
+++ b/drivers/clk/tegra/clk-tegra210.c
@@ -2204,6 +2204,7 @@ static struct tegra_clk tegra210_clks[tegra_clk_max] __initdata = {
        [tegra_clk_pll_c4_out1] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT1, .present = true },
        [tegra_clk_pll_c4_out2] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT2, .present = true },
        [tegra_clk_pll_c4_out3] = { .dt_id = TEGRA210_CLK_PLL_C4_OUT3, .present = true },
+       [tegra_clk_apb2ape] = { .dt_id = TEGRA210_CLK_APB2APE, .present = true },
 };
 
 static struct tegra_devclk devclks[] __initdata = {

diff --git a/include/dt-bindings/clock/tegra210-car.h b/include/dt-bindings/clock/tegra210-car.h
index 6f45aea..0a05b0d 100644 (file)
--- a/include/dt-bindings/clock/tegra210-car.h
+++ b/include/dt-bindings/clock/tegra210-car.h
@@ -126,7 +126,7 @@
 /* 104 */
 /* 105 */
 #define TEGRA210_CLK_D_AUDIO 106
-/* 107 ( affects abp -> ape) */
+#define TEGRA210_CLK_APB2APE 107
 /* 108 */
 /* 109 */
 /* 110 */