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authorSvyatoslav Ryhel <[email protected]>2024-11-15 21:13:15 +0200
committerSvyatoslav Ryhel <[email protected]>2025-02-12 10:35:17 +0200
commite4f5741c6dc3ba5d867336244c53eb092b273f60 (patch)
tree856bf0124ef4ab52dcff3c0af1287f071715e2f2
parentb93e25dc73acdc07c16074923aeeb305db21157a (diff)
ARM: tegra124: clock: implement PLLD2 support
PLLD2 is a simple clock (controlled by 2 registers) and appears starting from T30. Primary use of PLLD2 is as main HDMI clock parent. Signed-off-by: Svyatoslav Ryhel <[email protected]>
-rw-r--r--arch/arm/include/asm/arch-tegra124/clock-tables.h2
-rw-r--r--arch/arm/mach-tegra/tegra124/clock.c7
2 files changed, 8 insertions, 1 deletions
diff --git a/arch/arm/include/asm/arch-tegra124/clock-tables.h b/arch/arm/include/asm/arch-tegra124/clock-tables.h
index 9f531253153..055948ec07a 100644
--- a/arch/arm/include/asm/arch-tegra124/clock-tables.h
+++ b/arch/arm/include/asm/arch-tegra124/clock-tables.h
@@ -24,6 +24,7 @@ enum clock_id {
CLOCK_ID_XCPU = CLOCK_ID_FIRST_SIMPLE,
CLOCK_ID_EPCI,
CLOCK_ID_SFROM32KHZ,
+ CLOCK_ID_DISPLAY2,
CLOCK_ID_DP, /* Special for Tegra124 */
/* These are the base clocks (inputs to the Tegra SoC) */
@@ -37,7 +38,6 @@ enum clock_id {
* These are clock IDs that are used in table clock_source[][]
* but will not be assigned as a clock source for any peripheral.
*/
- CLOCK_ID_DISPLAY2,
CLOCK_ID_CGENERAL2,
CLOCK_ID_CGENERAL3,
CLOCK_ID_MEMORY2,
diff --git a/arch/arm/mach-tegra/tegra124/clock.c b/arch/arm/mach-tegra/tegra124/clock.c
index 4ac0c10c597..0ea212f80e2 100644
--- a/arch/arm/mach-tegra/tegra124/clock.c
+++ b/arch/arm/mach-tegra/tegra124/clock.c
@@ -598,6 +598,8 @@ struct clk_pll_info tegra_pll_info_table[CLOCK_ID_PLL_COUNT] = {
.lock_ena = 9, .lock_det = 11, .kcp_shift = 6, .kcp_mask = 3, .kvco_shift = 0, .kvco_mask = 1 }, /* PLLE */
{ .m_shift = 0, .m_mask = 0x0F, .n_shift = 8, .n_mask = 0x3FF, .p_shift = 20, .p_mask = 0x07,
.lock_ena = 18, .lock_det = 27, .kcp_shift = 8, .kcp_mask = 0xF, .kvco_shift = 4, .kvco_mask = 0xF }, /* PLLS (RESERVED) */
+ { .m_shift = 0, .m_mask = 0x1F, .n_shift = 8, .n_mask = 0x3FF, .p_shift = 20, .p_mask = 0x07,
+ .lock_ena = 22, .lock_det = 27, .kcp_shift = 8, .kcp_mask = 0xF, .kvco_shift = 4, .kvco_mask = 0xF }, /* PLLD2 */
{ .m_shift = 0, .m_mask = 0xFF, .n_shift = 8, .n_mask = 0xFF, .p_shift = 20, .p_mask = 0xF,
.lock_ena = 30, .lock_det = 27, .kcp_shift = 25, .kcp_mask = 3, .kvco_shift = 24, .kvco_mask = 1 }, /* PLLDP */
};
@@ -852,6 +854,9 @@ enum clock_id clk_id_to_pll_id(int clk_id)
case TEGRA124_CLK_PLL_D:
case TEGRA124_CLK_PLL_D_OUT0:
return CLOCK_ID_DISPLAY;
+ case TEGRA124_CLK_PLL_D2:
+ case TEGRA124_CLK_PLL_D2_OUT0:
+ return CLOCK_ID_DISPLAY2;
case TEGRA124_CLK_PLL_X:
return CLOCK_ID_XCPU;
case TEGRA124_CLK_PLL_E:
@@ -1194,6 +1199,8 @@ struct clk_pll_simple *clock_get_simple_pll(enum clock_id clkid)
case CLOCK_ID_EPCI:
case CLOCK_ID_SFROM32KHZ:
return &clkrst->crc_pll_simple[clkid - CLOCK_ID_FIRST_SIMPLE];
+ case CLOCK_ID_DISPLAY2:
+ return &clkrst->plld2;
case CLOCK_ID_DP:
return &clkrst->plldp;
default: